subject:( Doppler)

1. JoÃo JosÃ Ferreira Evangelista. AvaliaÃÃo farmacolÃgica da Detomidina no trato reprodutivo de Ãguas (Equus caballus).

Degree: PhD, 2015, Universidade Federal do Ceará

URL: http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=16305 ;

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A Detomidina Ã um agonista de receptores α2-adrenÃrgico, derivado imidazÃlico alcalÃide, disponÃvel sobre a fÃrmula de cloridrato, apresenta relaÃÃo de seletividade entre receptor α2/α1 de… (more)

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A Detomidina Ã um agonista de receptores α2-adrenÃrgico, derivado imidazÃlico alcalÃide, disponÃvel sobre a fÃrmula de cloridrato, apresenta relaÃÃo de seletividade entre receptor α2/α1 de 260/1. O experimento foi conduzido para investigar a interferÃncia da detomidina sobre o trato reprodutivo equino. Foram utilizadas vinte e cinco Ãguas sem raÃa definida (SRD), nÃo prenhes, com idade entre 4 a 10 anos e peso de 350 a 450 Kg. As 25 Ãguas foram divididas de forma aleatÃria em 5 grupos, sendo que 3 grupos foram submetidos respectivamente a doses de 6, 9 e 12Âg/kg de detomidina.Nos outros dois grupos, um deles foi aplicado Ioimbina em dose 0,10mg/Kg com antecedÃncia de 20 minutos da aplicaÃÃo de 6Âg/kg de detomidina e o outro grupo controle. Foram realizadas ultrassonogrÃfias no modo B e Doppler do trato reprodutivo de Ãguas. O Ãndice de pulsatilidade (IP), resistÃncia (IR) e pulso arterial uterino direito (PAUD), bem como a avaliaÃÃo subjetiva do Ãtero e mesomÃtrio de suprimento sanguÃneo, nÃo apresentaram diferenÃa significativa (P<0,05) quando comparado aos animais submetidos Ã detomidina 6Âg/Kg, frente aos aplicados a mesma dose, mas que tinham sidos bloqueados com a ioimbina 10Âg/Kg. A detomidina nas doses 6, 9 e 12Âg/Kg, interferiu na dinÃmica da cÃrvix uterina, proporcionando dilataÃÃo temporÃria, com diferenÃas significativas e magnitude mÃxima de resposta ao tempo, 2,1Â0,11mm (P˂0,0001) aos 5 minutos, 2,7Â0,26 (P>0,0001) aos 10 minutos e 4,9Â0,18mm (P>0,0001) aos 15 minutos, respectivamente. Na via Epidural na dose 6Âg/Kg de detomidina, quando comparada a dilataÃÃo cervical ocorrida com a mesma dose na via IV, demonstrou diferenÃa significativa nos tempos 5 (P>0,0001), 15 (P>0,0001), 20 (P>0,0001) e 25 (P>0,0001) minutos. Quando a resposta cervical com uso de detomidina na dose 6Âg/Kg via intramuscular comparada com a IV, ocorreu diferenÃa significativa nos tempos 5 (P>0,0001), 15 (P>0,0001), 20 (P>0,0001) e 25 (P>0,0001) minutos. ConcluÃmos que, a detomidina nas doses de 6 (via intravenosa, intramuscular e epidural), 9 e 12Âg/Kg (intravenosa) promoveram dilataÃÃo cervical temporÃria em Ãguas.

The Detomidine is an agonist of α2-adrenergic receptors, derived imidazole alkaloid, available on the hydrochloride formula, is related to selectivity between receptor α2/α1 of 260/1. The experiment was conducted to investigate the interference of detomidine on equine reproductive tract. Twenty-five mares were used mongrel, not pregnant, aged between 4-10 years old and weighing 350-450kg. The 25 mares were divided randomly into 5 groups, with 3 groups were submitted at doses of the detomidineof 6, 9 and 12μg/kg,respectively. In the other two groups, one applied yohimbine dose of 0.10 mg/kg 20 minutes prior to the application of 6μg/kg detomidine and in control group. All they were made sonographic evaluations in B mode and Doppler of the reproductive tract of mares. The pulsatility index (PI), resistance index (RI) and uterine blood right wrist (UBRW) and the subjective…

Advisors/Committee Members: Maria Elisabete Amaral de Moraes, Carlos Eduardo Azevedo Souza, LÃcia de FÃtima Lopes dos Santos, Juliana Bezerra Lima-Verde, Juliana Lopes Almeida.

Subjects/Keywords: FARMACOLOGIA; Ãtero; Ultrassonografia Doppler; Uterus; Ultrasonography, Doppler

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APA (6^th Edition):

Evangelista, J. J. F. (2015). AvaliaÃÃo farmacolÃgica da Detomidina no trato reprodutivo de Ãguas (Equus caballus). (Doctoral Dissertation). Universidade Federal do Ceará. Retrieved from http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=16305 ;

Chicago Manual of Style (16^th Edition):

Evangelista, JoÃo JosÃ Ferreira. “AvaliaÃÃo farmacolÃgica da Detomidina no trato reprodutivo de Ãguas (Equus caballus).” 2015. Doctoral Dissertation, Universidade Federal do Ceará. Accessed December 05, 2019. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=16305 ;.

MLA Handbook (7^th Edition):

Evangelista, JoÃo JosÃ Ferreira. “AvaliaÃÃo farmacolÃgica da Detomidina no trato reprodutivo de Ãguas (Equus caballus).” 2015. Web. 05 Dec 2019.

Vancouver:

Evangelista JJF. AvaliaÃÃo farmacolÃgica da Detomidina no trato reprodutivo de Ãguas (Equus caballus). [Internet] [Doctoral dissertation]. Universidade Federal do Ceará 2015. [cited 2019 Dec 05]. Available from: http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=16305 ;.

Council of Science Editors:

Evangelista JJF. AvaliaÃÃo farmacolÃgica da Detomidina no trato reprodutivo de Ãguas (Equus caballus). [Doctoral Dissertation]. Universidade Federal do Ceará 2015. Available from: http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=16305 ;

2. Κρυελέση, Βασιλική. Οι μεταβολές της αρτηριακής πίεσης στην υπέρταση κύησης-προεκλαμψία και οι ιστολογικές μεταβολές του πλακούντα.

Degree: 2012, National and Kapodistrian University of Athens; Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών (ΕΚΠΑ)

URL: http://hdl.handle.net/10442/hedi/29639

► Σκοπός: Η παρούσα μελέτη είχε σκοπό να διερευνήσει τις μεταβολέςτης αρτηριακής πίεσης στις κυήσεις που επιπλέκονται με υπέρταση και νασυσχετίσει τη βαρύτητα της υπέρτασης με… (more)

▼ Σκοπός: Η παρούσα μελέτη είχε σκοπό να διερευνήσει τις μεταβολέςτης αρτηριακής πίεσης στις κυήσεις που επιπλέκονται με υπέρταση και νασυσχετίσει τη βαρύτητα της υπέρτασης με την έκταση τωνπαθολογανατομικών αλλοιώσεων του πλακούντα αφενός, αλλά και τιςμεταβολές στις μητριαίες αρτηρίες, την ομφαλική και τη μέση εγκεφαλικήαρτηρία αφετέρου.Υλικό και μέθοδοι: Στην μελέτη περιλήφθησαν 323 έγκυες πουεισήχθησαν στο τμήμα κύησης υψηλού κινδύνου με διάγνωση εισαγωγήςΥπέρταση κύησης, προεκλαμψία, χρόνια υπέρταση. Η διαδικασία πουακολουθήθηκε, συνοπτικά ήταν η εξής:1. Μέτρηση της Α.Π. με κλασσικό σφυγμομανόμετρο και ΑΒΡΜ.2. Μελέτη της εμβρυο-πλακουντιακής κυκλοφορίας με ποσοτικήεκτίμηση Doppler υπερηχογραφήματος και χρησιμοποιώντας τουςδείκτες S/D, PΙ, RI ομφαλικής αρτηρίας, ΡΙ, RΙ της μέσηςεγκεφαλικής αρτηρίας του εμβρύου και ΡΙ, RΙ των μητριαίωναρτηριών της εγκύου.3. Λήψη αντιπροσωπευτικών ιστολογικών τομών των πλακούντων καιπαθολογοανατομική εξέτασή τους με εστίαση στα ακόλουθα:υπερωριμότητα λαχνών, ισχαιμία, φλεγμονή, παρουσία λαχνώνχωρίς αγγεία, εναπόθεση ινοειδούς, ινιδοειδή – φιμπρινοειδήνέκρωση, αριθμό αγγείων ανά οπτικό πεδίο, πάχυνση τοιχώματοςαγγείων και αποτιτανώσεις.4. Τα στοιχεία της έρευνας εισήχθηκαν σε πίνακα δεδομένων καιακολούθως μεταφέρθηκαν στο στατιστικό πρόγραμμα SPSS όπουκαι έγινε η τελική στατιστική ανάλυση η οποία περιελάμβανε242περιγραφική στατιστική (δειγματικό μέσο, τυπική απόκλιση, τυπικόσφάλμα, 95% διαστήματα εμπιστοσύνης) καθώς και συγκριτικήανάλυση των δεδομένων (έλεγχος ανεξαρτησίας Χ2, έλεγχος κατάFisher, γραμμικός συντελεστής Pearson’s, αναλυτική διακύμανσημονής κατεύθυνσης – ΑΝΟVA, δοκιμασία t).

Subjects/Keywords: Προεκλαμψία; Πλακούντας; Doppler ομφαλικής; Doppler μητριαίας; Doppler μέσης εγκεφαλικής αρτηρίας; Middle celebral artery doppler; Pregnancy hypertension; Preeclampsia placenta; Umbilical artery doppler; Uterus artery doppler

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Κρυελέση, . �. (2012). Οι μεταβολές της αρτηριακής πίεσης στην υπέρταση κύησης-προεκλαμψία και οι ιστολογικές μεταβολές του πλακούντα. (Thesis). National and Kapodistrian University of Athens; Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών (ΕΚΠΑ). Retrieved from http://hdl.handle.net/10442/hedi/29639

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Κρυελέση, Βασιλική. “Οι μεταβολές της αρτηριακής πίεσης στην υπέρταση κύησης-προεκλαμψία και οι ιστολογικές μεταβολές του πλακούντα.” 2012. Thesis, National and Kapodistrian University of Athens; Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών (ΕΚΠΑ). Accessed December 05, 2019. http://hdl.handle.net/10442/hedi/29639.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Κρυελέση, Βασιλική. “Οι μεταβολές της αρτηριακής πίεσης στην υπέρταση κύησης-προεκλαμψία και οι ιστολογικές μεταβολές του πλακούντα.” 2012. Web. 05 Dec 2019.

Vancouver:

Κρυελέση �. Οι μεταβολές της αρτηριακής πίεσης στην υπέρταση κύησης-προεκλαμψία και οι ιστολογικές μεταβολές του πλακούντα. [Internet] [Thesis]. National and Kapodistrian University of Athens; Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών (ΕΚΠΑ); 2012. [cited 2019 Dec 05]. Available from: http://hdl.handle.net/10442/hedi/29639.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Κρυελέση �. Οι μεταβολές της αρτηριακής πίεσης στην υπέρταση κύησης-προεκλαμψία και οι ιστολογικές μεταβολές του πλακούντα. [Thesis]. National and Kapodistrian University of Athens; Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών (ΕΚΠΑ); 2012. Available from: http://hdl.handle.net/10442/hedi/29639

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Brigham Young University

3. Dilsaver, Benjamin Walter. Experiments with GMTI Radar using Micro-Doppler.

Degree: MS, 2013, Brigham Young University

URL: https://scholarsarchive.byu.edu/cgi/viewcontent.cgi?article=4677&context=etd

► As objects move, their changing shape produces a signature that can be measured by a radar system. That signature is called the micro-Doppler signature. The… (more)

Subjects/Keywords: Doppler radar; feature extraction; Doppler measurement; Doppler effect; classification algorithms; Electrical and Computer Engineering

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Dilsaver, B. W. (2013). Experiments with GMTI Radar using Micro-Doppler. (Masters Thesis). Brigham Young University. Retrieved from https://scholarsarchive.byu.edu/cgi/viewcontent.cgi?article=4677&context=etd

Chicago Manual of Style (16^th Edition):

Dilsaver, Benjamin Walter. “Experiments with GMTI Radar using Micro-Doppler.” 2013. Masters Thesis, Brigham Young University. Accessed December 05, 2019. https://scholarsarchive.byu.edu/cgi/viewcontent.cgi?article=4677&context=etd.

MLA Handbook (7^th Edition):

Dilsaver, Benjamin Walter. “Experiments with GMTI Radar using Micro-Doppler.” 2013. Web. 05 Dec 2019.

Vancouver:

Dilsaver BW. Experiments with GMTI Radar using Micro-Doppler. [Internet] [Masters thesis]. Brigham Young University; 2013. [cited 2019 Dec 05]. Available from: https://scholarsarchive.byu.edu/cgi/viewcontent.cgi?article=4677&context=etd.

Council of Science Editors:

Dilsaver BW. Experiments with GMTI Radar using Micro-Doppler. [Masters Thesis]. Brigham Young University; 2013. Available from: https://scholarsarchive.byu.edu/cgi/viewcontent.cgi?article=4677&context=etd

Brno University of Technology

4. Urbanová, Lucia. Infračervená termografie a dopplerovská ultrasonografie při zátěžových testech .

Degree: 2017, Brno University of Technology

URL: http://hdl.handle.net/11012/68128

► Semestrální práce zpracovává teoretickou část bakalářské práce, která bude zpracovávat výsledky z měření provedených pomocí infračervené termografie a dopplerovské ultrasonografie při zátěžových testech na probandech.… (more)

Subjects/Keywords: Termografie; záření; emisivita; Doppler; ultrazvuk; Dopplerův zdvih.; Thermography; radiation; emissivity; Doppler; ultrasound; Doppler shift.

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Urbanová, L. (2017). Infračervená termografie a dopplerovská ultrasonografie při zátěžových testech . (Thesis). Brno University of Technology. Retrieved from http://hdl.handle.net/11012/68128

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Urbanová, Lucia. “Infračervená termografie a dopplerovská ultrasonografie při zátěžových testech .” 2017. Thesis, Brno University of Technology. Accessed December 05, 2019. http://hdl.handle.net/11012/68128.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Urbanová, Lucia. “Infračervená termografie a dopplerovská ultrasonografie při zátěžových testech .” 2017. Web. 05 Dec 2019.

Vancouver:

Urbanová L. Infračervená termografie a dopplerovská ultrasonografie při zátěžových testech . [Internet] [Thesis]. Brno University of Technology; 2017. [cited 2019 Dec 05]. Available from: http://hdl.handle.net/11012/68128.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Urbanová L. Infračervená termografie a dopplerovská ultrasonografie při zátěžových testech . [Thesis]. Brno University of Technology; 2017. Available from: http://hdl.handle.net/11012/68128

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

5. Marta Lúcia Gabriel. Aplicação clínica da ultra-sonografia craniana com doppler em crianças prematuras de muito baixo peso.

Degree: 2010, Faculdade de Medicina de São José do Rio Preto

URL: http://bdtd.famerp.br//tde_busca/arquivo.php?codArquivo=253

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O ultrassom craniano (USC) com Doppler é o exame mais indicado paradetectar hemorragias intracranianas (HIC) e leucomalácia peri-ventricular (LPV) em prematuros. A técnica com Doppler… (more)

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O ultrassom craniano (USC) com Doppler é o exame mais indicado paradetectar hemorragias intracranianas (HIC) e leucomalácia peri-ventricular (LPV) em prematuros. A técnica com Doppler demonstra os mais importantes ramos da vasculatura cerebral, notadamente as artérias principais do Polígono de Willis, determinando índice de resistência (IR) do fluxo sangüíneo nessas artérias, que pode estar alterado em sangramentos cranianos e eventos hipóxico/isquêmicos. Objetivos: 1. Investigar a aplicação clínica da ultra-sonografia craniana com Doppler na detecção de alterações cerebrais em crianças prematuras de muito baixo peso. 2. Avaliar o prognóstico, considerando gravidade e óbito, de acordo com presença de alterações em artérias cerebrais detectadas por Doppler nesses prematuros. Casuística e Método: Foram estudadas prospectivamente 50 crianças prematuras, com a idade gestacional variando entre 29 e 32 semanas (30,8  1,5 semanas) e peso ao nascimento de 550 a 1.500 g (1.179  288g). Todas foram submetidas a quatro exames de USC com Doppler, sendo o primeiro entre o 1 e 5 dia de vida, o segundo entre 10 e 17, o terceiro entre 18 e 30 e o quarto entre 30 e 44 dia de vida. Os pacientes foram submetidos à técnica transfontanela anterior e transtemporal, com todos os cuidados em assepsia do aparelho e operador. Resultados: Foram detectadas alterações cerebrais em 16 (32%) crianças, sendo 11 (22%) casos de HIC, 4 (8%) de LPV e 1 (2%) de toxoplasmose cerebral. O estudo com Doppler apresentou valores do índice de resistência (IR), que variaram dependendo da época da realização dos exames. O valor médio do IR nas artérias cerebrais anterior, média e posterior das crianças com HIC (n = 11) aumentou do primeiro ao terceiro exame. Houve diferença estatisticamente significante entre valores médios de IR das artérias cerebrais anterior e posterior (p=0,001 e p=0,043, respectivamente) de crianças sem alterações cerebrais e com HIC apenas no primeiro exame. Conclusões - A ultrassonografia craniana com Doppler em RN prematuras de muito baixo peso é de grande valia na detecção de alterações cerebrais como hemorragia intracraniana, leucomalácia periventricular e toxoplasmose cerebral. Alterações no IR das artérias cerebrais anterior, média e posterior detectadas pelo Doppler, embora não preditoras de morte, estão relacionadas com a gravidade do quadro clínico em crianças prematuras de muito baixo peso.

Transcranial Doppler sonography is the technique more designate to detect intracranial hemorrhage (ICH) and periventricular leukomalacia (PVL) among preterm. This technique evidence the most important cerebral arteries, mainly arteries the circle of Willis, obtaining blood flow arteries resistance index (RI), becoming upset in cranial hemorrhage and hypoxic-ischemic injuries. Objectives: 1. Investigate the clinical application of Doppler sonography in detection of cerebral lesions in very low birth weight neonates. 2. Evaluate the prognosis considering severity and death according to the presence of changes in cerebral…

Advisors/Committee Members: Lilian Beani, Vânia Belintani Piatto, Antônio Soares Souza.

Subjects/Keywords: Radiologia; RADIOLOGIA MEDICA; Ultra-sonografia; Doppler; Craniano; Prematuros; Ultrassonagrafia; Ultrassonografia de Doppler; Ultrasound; Doppler; Cranial; Prematures; Radiology; Ultrasonigraphy; Ultrassonography de Doppler

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Gabriel, M. L. (2010). Aplicação clínica da ultra-sonografia craniana com doppler em crianças prematuras de muito baixo peso. (Thesis). Faculdade de Medicina de São José do Rio Preto. Retrieved from http://bdtd.famerp.br//tde_busca/arquivo.php?codArquivo=253

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Gabriel, Marta Lúcia. “Aplicação clínica da ultra-sonografia craniana com doppler em crianças prematuras de muito baixo peso.” 2010. Thesis, Faculdade de Medicina de São José do Rio Preto. Accessed December 05, 2019. http://bdtd.famerp.br//tde_busca/arquivo.php?codArquivo=253.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Gabriel, Marta Lúcia. “Aplicação clínica da ultra-sonografia craniana com doppler em crianças prematuras de muito baixo peso.” 2010. Web. 05 Dec 2019.

Vancouver:

Gabriel ML. Aplicação clínica da ultra-sonografia craniana com doppler em crianças prematuras de muito baixo peso. [Internet] [Thesis]. Faculdade de Medicina de São José do Rio Preto; 2010. [cited 2019 Dec 05]. Available from: http://bdtd.famerp.br//tde_busca/arquivo.php?codArquivo=253.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Gabriel ML. Aplicação clínica da ultra-sonografia craniana com doppler em crianças prematuras de muito baixo peso. [Thesis]. Faculdade de Medicina de São José do Rio Preto; 2010. Available from: http://bdtd.famerp.br//tde_busca/arquivo.php?codArquivo=253

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

6. Armendáriz Ferrari, José Carlos. Velocidades de desplazamiento miocárdico en una muestra de individuos sin enfermedad cardiaca.

Degree: 2003, National University of San Marcos

URL: http://cybertesis.unmsm.edu.pe/handle/cybertesis/1894 ; http://cybertesis.unmsm.edu.pe/bitstream/cybertesis%2F1894/1/bitstream

► Las velocidades de desplazamiento miocárdico fueron estudiadas un una muestra de 140 individuos normales, con rango de edades de 1 mes a 94 años mediante… (more)

▼ Las velocidades de desplazamiento miocárdico fueron estudiadas un una muestra de 140 individuos normales, con rango de edades de 1 mes a 94 años mediante el empleo de ecocardiografía doppler tisular técnica de examen recientemente desarrollada que permite el registro del espectro de velocidades del desplazamiento miocárdico las cuales son del rango de 6 a 24 cm/seg, este método ha sido propuesto para la evaluación de la función sistólica y diastólica se registraron las velocidades a nivel del anillo mitral ( pared lateral y septum interventricular) y del anillo tricuspídeo. En la diástole se registran 2 velocidades denominadas: diastólica temprana (EW) y diastólica tardía; en sístole a nivel del anillo mitral se registra una onda bifásica denominadas SW1 y SW2 en el anillo tricuspideo se registran en diástole 2 ondas similares a las del anillo mitral y en sístole se registran 2 ondas una, pre eyectiva de la cual no hay referencia y una onda sistólica monofásica. Los pacientes fueron distribuidos en grupos de 10 años con excepción de los menores de 1 año y mayores de 70 años que se reunieron en un solo respectivamente, calculándose valores promedio de cada parámetro. Las velocidades diastólicas tempranas registradas en el anillo mitral ( pared lateral y septum interventricular) muestran una conducta bimodal; En los primeros 3 grupos (individuos de 1 mes a 20 años), se evidencia un leve incremento de la velocidad, mientras que en los restantes 6 grupos (individuos de 21 a 94 años), se observa una notoria disminución de la velocidad con el aumento de la edad; Las velocidades diabólicas tempranas medidas en el anillo tricuspídeo muestran en todos los grupos una disminución progresiva con el aumento de la edad. Las velocidades diastólicas tardías registradas en el anillo mitral ( pared lateral y septum interventricular) muestran una conducta bimodal; En los primeros 3 grupos (individuos de 1 mes a 20 años), se evidencia una leve disminución de la velocidad, en los 6 grupos restantes, se aprecia un incremento progresivo de la velocidad con el aumento de la edad; La conducta de la velocidad diastólica tardía medida a nivel de anillo tricuspídeo muestra conducta similar. En la evaluación de las velocidades sistólicas a nivel del anillo mitral, se observó un leve incremento de la velocidad sistólica SW1 en los primeros 3 grupos (individuos de 1 mes a 20 años) y una disminución progresiva de la velocidad en los En los 6 grupos restantes (individuos de 21 a 94 años). La velocidad sistólica SW2 presenta un incremento con el aumento de la edad. A nivel del anillo tricuspídeo las velocidades son mayores que las registradas en el anillo mitral. La velocidad pre eyectiva muestra un leve incremento con la edad en toda la muestra; La velocidad Sistólica muestra muy leve incremento en los primeros 3 grupos (individuos de 1 mes a 20 años) y una discreta disminución progresiva en los En los 6 grupos restantes (individuos de 21 a 94 años). Los hallazgos de nuestro estudio permiten cualificar las modificaciones que el corazón… Advisors/Committee Members: Segura Vega, Luis.

Subjects/Keywords: Ecocardiografía Doppler

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APA (6^th Edition):

Armendáriz Ferrari, J. C. (2003). Velocidades de desplazamiento miocárdico en una muestra de individuos sin enfermedad cardiaca. (Thesis). National University of San Marcos. Retrieved from http://cybertesis.unmsm.edu.pe/handle/cybertesis/1894 ; http://cybertesis.unmsm.edu.pe/bitstream/cybertesis%2F1894/1/bitstream

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Armendáriz Ferrari, José Carlos. “Velocidades de desplazamiento miocárdico en una muestra de individuos sin enfermedad cardiaca.” 2003. Thesis, National University of San Marcos. Accessed December 05, 2019. http://cybertesis.unmsm.edu.pe/handle/cybertesis/1894 ; http://cybertesis.unmsm.edu.pe/bitstream/cybertesis%2F1894/1/bitstream.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Armendáriz Ferrari, José Carlos. “Velocidades de desplazamiento miocárdico en una muestra de individuos sin enfermedad cardiaca.” 2003. Web. 05 Dec 2019.

Vancouver:

Armendáriz Ferrari JC. Velocidades de desplazamiento miocárdico en una muestra de individuos sin enfermedad cardiaca. [Internet] [Thesis]. National University of San Marcos; 2003. [cited 2019 Dec 05]. Available from: http://cybertesis.unmsm.edu.pe/handle/cybertesis/1894 ; http://cybertesis.unmsm.edu.pe/bitstream/cybertesis%2F1894/1/bitstream.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Armendáriz Ferrari JC. Velocidades de desplazamiento miocárdico en una muestra de individuos sin enfermedad cardiaca. [Thesis]. National University of San Marcos; 2003. Available from: http://cybertesis.unmsm.edu.pe/handle/cybertesis/1894 ; http://cybertesis.unmsm.edu.pe/bitstream/cybertesis%2F1894/1/bitstream

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Hawaii – Manoa

7. Hafner, Noah Matthew. Doppler radar sensing of fish physiological motion.

Degree: 2016, University of Hawaii – Manoa

URL: http://hdl.handle.net/10125/100885

►

Ph.D. University of Hawaii at Manoa 2012.

The monitoring vital of signs for fish is critical for advancing the study of trophic and energetic strategies,… (more)

Subjects/Keywords: Doppler radar; fish; physiological motion

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APA (6^th Edition):

Hafner, N. M. (2016). Doppler radar sensing of fish physiological motion. (Thesis). University of Hawaii – Manoa. Retrieved from http://hdl.handle.net/10125/100885

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Hafner, Noah Matthew. “Doppler radar sensing of fish physiological motion.” 2016. Thesis, University of Hawaii – Manoa. Accessed December 05, 2019. http://hdl.handle.net/10125/100885.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Hafner, Noah Matthew. “Doppler radar sensing of fish physiological motion.” 2016. Web. 05 Dec 2019.

Vancouver:

Hafner NM. Doppler radar sensing of fish physiological motion. [Internet] [Thesis]. University of Hawaii – Manoa; 2016. [cited 2019 Dec 05]. Available from: http://hdl.handle.net/10125/100885.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Hafner NM. Doppler radar sensing of fish physiological motion. [Thesis]. University of Hawaii – Manoa; 2016. Available from: http://hdl.handle.net/10125/100885

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Hawaii – Manoa

8. Kiriazi, John Elias. Human cardiopulmonary recognition using close-range Doppler radar.

Degree: 2016, University of Hawaii – Manoa

URL: http://hdl.handle.net/10125/101919

►

Ph.D. University of Hawaii at Manoa 2010.

The work in this dissertation demonstrates the effective use of continuous-wave Doppler radar measurements and analysis, to accurately… (more)

▼

Ph.D. University of Hawaii at Manoa 2010.

The work in this dissertation demonstrates the effective use of continuous-wave Doppler radar measurements and analysis, to accurately assess a human subject's sleep position and corresponding cardiopulmonary activity. The approach involves a precise dual-frequency radar measurement with a quantitative analysis of the return signal, in terms of intensity and phase modulation magnitude. The first parameter is a measure of the radar cross section of the portion of the torso surface that is moving due to respiration and heartbeat activity. It is defined as the cardiopulmonary effective radar cross section. The second parameter corresponds to the maximum displacement of the torso surface in the direction of incidence. Contributions of this work to the art and science of electrical engineering include the design of experiments and analyses of Doppler radar cardiopulmonary measurements for a twenty-subject population; establishment of the definition for cardiopulmonary effective radar cross section along with measurement techniques and considerations; the first absolute measurements of the cardiopulmonary effective radar cross section at three different subject orientations; assessment of system accuracy in measuring radar cross section, displacement magnitude and motion rate; development of a model for human torso geometry and motion characteristics; and the first measurement of torso displacement for a considerably large population of subjects while preserving the low frequency content of the signal. Detailed statistical analyses were performed on the data of the twenty subjects to relate the measured effective radar cross section and torso displacement magnitude to sleeping position. Results from these statistics were the basis to develop a reliable decision algorithm to determine whether the subject is in a supine, prone, or side position. These findings significantly extend the function of human Doppler radar cardiopulmonary monitoring, to provide robust comprehensive physiological monitoring capabilities for unattended subjects.

Subjects/Keywords: human cardiopulmonary recognition; Doppler radar

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Kiriazi, J. E. (2016). Human cardiopulmonary recognition using close-range Doppler radar. (Thesis). University of Hawaii – Manoa. Retrieved from http://hdl.handle.net/10125/101919

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Kiriazi, John Elias. “Human cardiopulmonary recognition using close-range Doppler radar.” 2016. Thesis, University of Hawaii – Manoa. Accessed December 05, 2019. http://hdl.handle.net/10125/101919.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Kiriazi, John Elias. “Human cardiopulmonary recognition using close-range Doppler radar.” 2016. Web. 05 Dec 2019.

Vancouver:

Kiriazi JE. Human cardiopulmonary recognition using close-range Doppler radar. [Internet] [Thesis]. University of Hawaii – Manoa; 2016. [cited 2019 Dec 05]. Available from: http://hdl.handle.net/10125/101919.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Kiriazi JE. Human cardiopulmonary recognition using close-range Doppler radar. [Thesis]. University of Hawaii – Manoa; 2016. Available from: http://hdl.handle.net/10125/101919

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Hawaii – Manoa

9. Zhao, Xi. IQ demodulator for DC coupled Doppler radar.

Degree: 2016, University of Hawaii – Manoa

URL: http://hdl.handle.net/10125/101760

►

M.S. University of Hawaii at Manoa 2010.

The work in this thesis demonstrates the possibility of using DC coupled signal in Doppler radar systems. The… (more)

Subjects/Keywords: Doppler radar; IQ demodulator; DC

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APA (6^th Edition):

Zhao, X. (2016). IQ demodulator for DC coupled Doppler radar. (Thesis). University of Hawaii – Manoa. Retrieved from http://hdl.handle.net/10125/101760

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Zhao, Xi. “IQ demodulator for DC coupled Doppler radar.” 2016. Thesis, University of Hawaii – Manoa. Accessed December 05, 2019. http://hdl.handle.net/10125/101760.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Zhao, Xi. “IQ demodulator for DC coupled Doppler radar.” 2016. Web. 05 Dec 2019.

Vancouver:

Zhao X. IQ demodulator for DC coupled Doppler radar. [Internet] [Thesis]. University of Hawaii – Manoa; 2016. [cited 2019 Dec 05]. Available from: http://hdl.handle.net/10125/101760.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Zhao X. IQ demodulator for DC coupled Doppler radar. [Thesis]. University of Hawaii – Manoa; 2016. Available from: http://hdl.handle.net/10125/101760

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Universidade Estadual de Campinas

10. Corrêa-Silva, Eloisa Pedroso de Barros. Intervalos de referência da dopplervelocimetria das artérias oftálmicas em gestantes de baixo risco .

Degree: 2011, Universidade Estadual de Campinas

URL: http://repositorio.unicamp.br/jspui/handle/REPOSIP/309268

► Resumo: Objetivo: Construir intervalos de referência para os índices da Dopplervelocimetria (DPV) da artéria oftálmica (AOF) e da artéria central da retina (ACR) em gestantes… (more)

▼ Resumo: Objetivo: Construir intervalos de referência para os índices da Dopplervelocimetria (DPV) da artéria oftálmica (AOF) e da artéria central da retina (ACR) em gestantes de baixo risco. Avaliar a reprodutibilidade da DPV no leito orbital. Método: Estudo observacional, longitudinal, com acompanhamento de 63 gestantes de baixo risco. Foram aferidos: índice de resistência (IR), índice de pulsatilidade (IP) e pico de velocidade sistólica (P1) em ambas as artérias, além do segundo pico de velocidade (P2) e da razão entre picos de velocidades (RP) da AOF, em intervalos de duas semanas, para construção da curva longitudinal dos índices, ao longo da gestação. Para a análise estatística, foi aplicada regressão linear com modelo de efeitos aleatórios mistos, e foram avaliados os coeficientes de determinação (R2) das correlações encontradas, estimando-se os percentis 5 e 95 para cada artéria em cada idade gestacional. A variabilidade intra e interobservador destas medidas foram avaliadas pelo Coeficiente de Correlação Intraclasse (CCI). Resultados: Foram realizados 2016 exames nas 63 gestantes acompanhadas, entre janeiro de 2008 e março de 2009. Não foi observada diferença entre as medidas realizadas no olho direito e esquerdo, quanto ao IP e ao IR da AOF e da ACR, e quanto à RP na AOF. Encontrou-se correlação entre o IP e o IR da AOF com idade gestacional (IG) (?<0,0001), com tendência à redução de ambos os índices com o aumento da IG. Encontrou-se correlação entre o IP da ACR e a IG (?= 0,0009), também com tendência à redução com o aumento da IG. Não foi observada correlação entre RP da AOF e a IG (?= 0,7384). Apesar das correlações observadas, todos os valores obtidos de R² foram próximos de zero; para o IP e o IR da AOF, foram de 0,0328 e 0,0402, respectivamente. Para IP da ACR o R² foi de 0,0278. Foram estabelecidos os valores de referência segundo IG, para IP e IR de ambas as artérias, e para RP da AOF. Na avaliação da reprodutibilidade do método, encontraram-se bons coeficientes de correlação intraclasses (CCI) entre as medidas realizadas pelo mesmo observador e por observadores diferentes. Conclusão: A avaliação unilateral da DPV orbital é factível para IP e IR da AOF e ACR, e para RP da AOF. Apesar da correlação significativa encontrada entre IG e as variáveis, IP e IR da AOF e IP da ACR, os valores de R² determinados foram baixos e os valores de referência encontrados apresentaram grande dispersão durante todo o período gestacional avaliado. O método apresenta boa reprodutibilidade intraobservador e interobservadores; Abstract: Objective: This study aimed to establish reference values for Doppler velocimetry of the ophthalmic artery (OA) and the central retinal artery (CRA) in low risk pregnancy. In addition, intraobserver and interobserver reproducibility of the method were also evaluated. Method: An observational and longitudinal study was performed with a group of 63 women with low risk pregnancy. The indices determined were: resistance index (RI), pulsatility index (PI) and peak systolic velocity (P1) for… Advisors/Committee Members: Surita, Fernanda Garanhani de Castro, 1964- (advisor), Sass, Nelson (committee member), Parpinelli, Mary Angela (committee member).

Subjects/Keywords: Doppler, Ultrassonografia; Artérias; Gestantes

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APA (6^th Edition):

Corrêa-Silva, E. P. d. B. (2011). Intervalos de referência da dopplervelocimetria das artérias oftálmicas em gestantes de baixo risco . (Thesis). Universidade Estadual de Campinas. Retrieved from http://repositorio.unicamp.br/jspui/handle/REPOSIP/309268

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Corrêa-Silva, Eloisa Pedroso de Barros. “Intervalos de referência da dopplervelocimetria das artérias oftálmicas em gestantes de baixo risco .” 2011. Thesis, Universidade Estadual de Campinas. Accessed December 05, 2019. http://repositorio.unicamp.br/jspui/handle/REPOSIP/309268.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Corrêa-Silva, Eloisa Pedroso de Barros. “Intervalos de referência da dopplervelocimetria das artérias oftálmicas em gestantes de baixo risco .” 2011. Web. 05 Dec 2019.

Vancouver:

Corrêa-Silva EPdB. Intervalos de referência da dopplervelocimetria das artérias oftálmicas em gestantes de baixo risco . [Internet] [Thesis]. Universidade Estadual de Campinas; 2011. [cited 2019 Dec 05]. Available from: http://repositorio.unicamp.br/jspui/handle/REPOSIP/309268.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Corrêa-Silva EPdB. Intervalos de referência da dopplervelocimetria das artérias oftálmicas em gestantes de baixo risco . [Thesis]. Universidade Estadual de Campinas; 2011. Available from: http://repositorio.unicamp.br/jspui/handle/REPOSIP/309268

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

11. Táboas Lima, Esther. Cuantificación del daño tisular en tejidos animales fetales tras el uso del Doppler pulsado.

Degree: 2018, TDX

URL: http://hdl.handle.net/10803/570336

► El uso de los ultrasonidos (US) en la obstetricia es una herramienta esencial, siendo España uno de los países con mayor uso de la ecografía… (more)

▼ El uso de los ultrasonidos (US) en la obstetricia es una herramienta esencial, siendo España uno de los países con mayor uso de la ecografía durante el embarazo. La aparición de nuevos marcadores de salud fetal, como son el estudio mediante Doppler pulsado del Ductus venoso fetal, en torno a la semana 14 de gestación, lleva asociada una mayor duración de las exposiciones en edades fetales muy tempranas. La posibilidad de un posible efecto dañino sobre el feto tras el uso del Doppler pulsado es una preocupación presente en la comunidad científica, siendo este tipo de exposiciones sometidos a los más estrictos controles de seguridad, mediante el control de las intensidades máximas de salida y mediante el desarrollo de marcadores de exposición basados en índices cuantitativos que permiten aproximar al técnico con los posibles daños térmicos o mecánicos producidos en la exposición. Sin embargo, a pesar de este control la FDA recomienda el uso prudente de esta tecnología ya que a pesar de que los estudios epidemiológicos no muestran daño tras el uso de ultrasonidos en la descendencia a largo plazo, si se muestra en algunos trabajos una relación entre el descenso en el peso del recién nacido y un incremento en la población no diestra. Es en relación a estos trabajos que la comunidad científica aconseja nuevas investigaciones para poder asegurar su seguridad. Es conocido que los ultrasonidos pueden provocar daños por dos vías, un daño térmico debido al incremento de temperatura local en la zona irradiada la cual tiene un claro efecto teratogénico, o un daño mecánico ocasionado por la formación de microburbujas en las cavidades tisulares dando lugar a tensiones de cizañamientos y rotura de membranas. La FDA aconseja que las exposiciones a ultrasonidos se realicen bajo en principio de ALARA (As low as reasonable archievable) es decir “tan bajas como sea razonablemente posible”. De manera que aconseja trabajar con la mínima intensidad posible, el menor tiempo posible. Este punto es interesante ya que encuestas realizadas entre los usuarios de ecógrafos muestran cómo más del noventa por ciento de los usuarios desconocen los tiempos máximos de exposición de un haz durante el período embrionario, siendo este otro punto de control necesario. Por todo esto el objetivo principal de esta tesis doctoral fue evaluar la presencia de daño tisular en un modelo animal durante el período fetal. Estudiando el efecto de un haz de Doppler pulsado, con las mismas características empleadas en la práctica obstétrica, sobre dos órganos diana como son el hígado fetal y el sistema nervioso central en los fetos de ratas Wistar gestantes, mediante un estudio prospectivo y randomizado. Teniendo en cuenta que hemos estudiado dos órganos diferentes, el estudio se dividió en dos fases, atendiendo a la zona focalizada con el haz de Doppler pulsado: FASE 1: Estudio del efecto de los US sobre el tejido hepático fetal: Para ello en el día 18 de gestación las ratas gestantes (n=37) fueron sometidas a diferentes tiempos de exposición del haz de Doppler, con… Advisors/Committee Members: Pellicer Martínez, Antonio, Pellicer Iborra, Begoña, Departament de Bioquímica i Biologia Molecular.

Subjects/Keywords: seguridad ecográfica; Doppler; daño tisular

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Táboas Lima, E. (2018). Cuantificación del daño tisular en tejidos animales fetales tras el uso del Doppler pulsado. (Thesis). TDX. Retrieved from http://hdl.handle.net/10803/570336

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Táboas Lima, Esther. “Cuantificación del daño tisular en tejidos animales fetales tras el uso del Doppler pulsado.” 2018. Thesis, TDX. Accessed December 05, 2019. http://hdl.handle.net/10803/570336.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Táboas Lima, Esther. “Cuantificación del daño tisular en tejidos animales fetales tras el uso del Doppler pulsado.” 2018. Web. 05 Dec 2019.

Vancouver:

Táboas Lima E. Cuantificación del daño tisular en tejidos animales fetales tras el uso del Doppler pulsado. [Internet] [Thesis]. TDX; 2018. [cited 2019 Dec 05]. Available from: http://hdl.handle.net/10803/570336.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Táboas Lima E. Cuantificación del daño tisular en tejidos animales fetales tras el uso del Doppler pulsado. [Thesis]. TDX; 2018. Available from: http://hdl.handle.net/10803/570336

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Saskatchewan

12. Tang, Bruce. Synchronization of weak indoor GPS signals with doppler frequency offset using a segmented matched filter and accumulation.

Degree: 2009, University of Saskatchewan

URL: http://hdl.handle.net/10388/etd-06172009-221036

► Recent government regulations for Enhanced 911 locating of wireless handsets require accuracy to within 50 and 300 meters. Two technologies under consideration are triangulation using… (more)

▼ Recent government regulations for Enhanced 911 locating of wireless handsets require accuracy to within 50 and 300 meters. Two technologies under consideration are triangulation using existing wireless base stations and location using global positioning satellites (GPS). Satellite positioning is the leading candidate, however, reception of GPS signals within large buildings is difficult and considerable research is devoted to this topic. Conventional GPS receivers require line of sight to at least four satellites and, under outdoor conditions, the expected signal level is about -160 dBW. Within large buildings, detection is very difficult because there is high thermal noise and some satellite signals can be attenuated to less than -185 dBW while others can suffer little attenuation. In order to construct the pseudo-ranges necessary for position finding, the receiver must synchronize to the incoming codephase of each satellite and must operate with substantial Doppler frequency offset caused by satellite motion. This thesis investigates the application of a parallel non-coherent spread spectrum synchronizer previously implemented as a very-large-scale integration (VLSI) circuit. The circuit processes one millisecond of incoming signal and uses a segmented matched filter (SMF) by which the segmentation provides some tolerance to Doppler shift. The thesis presents simulation results of averaging for tens of seconds. Through simulation, the SMF is compared with a transversal matched filter (TMF) under conditions of no Doppler shift; coherent and non-coherent integration are discussed. The simulation is conducted at 290 K (17°C) such that the Boltzmann noise is -204 dBW/Hz, with a GPS signal bandwidth of 2 MHz and signal level of -185 dBW, and the receiver input signal-to-noise ratio (SNR) is -44 dB. The SMF is applied using differing segment lengths to high-sensitivity GPS data from indoor and urban simulated GPS data. The results demonstrate the SMF’s ability to tolerate Doppler frequency offsets while allowing for long integration times to detect the weak GPS signals. Advisors/Committee Members: Dodds, David E., Degenstein, Douglas A., Bolton, Ronald J., Salt, J. Eric.

Subjects/Keywords: Doppler; GPS; Synchronization; Matched Filter

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APA (6^th Edition):

Tang, B. (2009). Synchronization of weak indoor GPS signals with doppler frequency offset using a segmented matched filter and accumulation. (Thesis). University of Saskatchewan. Retrieved from http://hdl.handle.net/10388/etd-06172009-221036

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Tang, Bruce. “Synchronization of weak indoor GPS signals with doppler frequency offset using a segmented matched filter and accumulation.” 2009. Thesis, University of Saskatchewan. Accessed December 05, 2019. http://hdl.handle.net/10388/etd-06172009-221036.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Tang, Bruce. “Synchronization of weak indoor GPS signals with doppler frequency offset using a segmented matched filter and accumulation.” 2009. Web. 05 Dec 2019.

Vancouver:

Tang B. Synchronization of weak indoor GPS signals with doppler frequency offset using a segmented matched filter and accumulation. [Internet] [Thesis]. University of Saskatchewan; 2009. [cited 2019 Dec 05]. Available from: http://hdl.handle.net/10388/etd-06172009-221036.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Tang B. Synchronization of weak indoor GPS signals with doppler frequency offset using a segmented matched filter and accumulation. [Thesis]. University of Saskatchewan; 2009. Available from: http://hdl.handle.net/10388/etd-06172009-221036

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

13. Aquije Pinto, Mikhael William. Ultrasonografía Doppler de las arterias uterinas entre las 11 – 14 semanas de edad gestacional para la predicción de preeclampsia. Instituto Nacional Materno Perinatal. Enero – diciembre 2012.

Degree: 2015, National University of San Marcos

URL: http://cybertesis.unmsm.edu.pe/handle/cybertesis/9204

► Determina la utilidad de la Ultrasonografía Doppler de las arterias uterinas entre las 11-14 semanas de gestación para predecir la preeclampsia, en el Instituto Nacional… (more)

▼ Determina la utilidad de la Ultrasonografía Doppler de las arterias uterinas entre las 11-14 semanas de gestación para predecir la preeclampsia, en el Instituto Nacional Materno Perinatal durante el período enero a diciembre 2012. Estudio observacional, descriptivo, retrospectivo de cohorte histórico. Se analiza a 137 pacientes que se realizan Ultrasonografía Doppler de arterias uterinas entre las 11 – 14 semanas de edad gestacional atendidos en el Instituto Nacional Materno Perinatal durante el 2012. Para las variables cuantitativas se estima medidas de tendencia central y de dispersión y para las variables cualitativas se usa frecuencias absolutas y porcentajes, además de la prueba de chi-cuadrado, odds ratio e indicadores predictivos: sensibilidad, especificidad, valor predictivo positivo y negativo, razón de verosimilitud positivo y negativo, con una significancia del 5%. La edad de las gestantes que se realizan la Ultrasonografía Doppler es de 16 a 47 años con un promedio de 29,9±6,5 años, con nivel de instrucción secundaria en la mayoría de pacientes (65,7%), estado civil conviviente (67,2%). El Índice de Pulsatilidad promedio que se analiza es mayor del percentil 95 siendo este valor 2.2, se compara algunas características obstétricas de las pacientes teniendo en cuenta este punto de corte del IP promedio, donde la edad gestacional promedio de toma de ecografía Doppler es de 12,7±0,8 y 12,8±0,9 semanas en los pacientes con IP >2,2 y ≤2,2, respectivamente, además se observa mayor proporción de pacientes sin ningún aborto, en las que tenían IP≤2,2 (57,6% vs 63,4%). Por otro lado se observa que en los pacientes con IP>2,2 presentan mayor multiparidad. (62% vs 57,6%). Se identifica que de todas las gestantes que se realizan Ultrasonografía Doppler de las arterias uterinas entre las 11 – 14 semanas, el 23,4% presentan preeclampsia, presentando el 65,6% de las pacientes con preeclampsia IP>2,2, mientras que las pacientes sin preeclampsia con IP≤2,2 son 52,4%. En las pacientes con y sin preeclampsia se compara el peso pregestacional promedio siendo mayor en las pacientes que desarrollan preeclampsia, con una diferencia estadísticamente significativa (p=0,037), al comparar los rangos de edad no se encuentra diferencias entre las pacientes con y sin preeclampsia. El análisis de los indicadores predictivos permite demostrar que el IP promedio > 2,2, tiene una sensibilidad del 66%, especificidad 52%, valor predictivo positivo 30%, valor predictivo negativo 83% y la razón de verosimilitud negativa y positiva son 1,38 y 0,3, respectivamente. Concluye que el valor del IP promedio de las arterias uterinas > 2.2 evaluado por ultrasonografía Doppler entre las 11-14 semanas es útil para predecir preeclampsia en 66% de los pacientes que presentan dicha patología.

Subjects/Keywords: Embarazo - Complicaciones; Preeclampsia; Ultrasonografía Doppler

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APA (6^th Edition):

Aquije Pinto, M. W. (2015). Ultrasonografía Doppler de las arterias uterinas entre las 11 – 14 semanas de edad gestacional para la predicción de preeclampsia. Instituto Nacional Materno Perinatal. Enero – diciembre 2012. (Thesis). National University of San Marcos. Retrieved from http://cybertesis.unmsm.edu.pe/handle/cybertesis/9204

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Aquije Pinto, Mikhael William. “Ultrasonografía Doppler de las arterias uterinas entre las 11 – 14 semanas de edad gestacional para la predicción de preeclampsia. Instituto Nacional Materno Perinatal. Enero – diciembre 2012.” 2015. Thesis, National University of San Marcos. Accessed December 05, 2019. http://cybertesis.unmsm.edu.pe/handle/cybertesis/9204.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Aquije Pinto, Mikhael William. “Ultrasonografía Doppler de las arterias uterinas entre las 11 – 14 semanas de edad gestacional para la predicción de preeclampsia. Instituto Nacional Materno Perinatal. Enero – diciembre 2012.” 2015. Web. 05 Dec 2019.

Vancouver:

Aquije Pinto MW. Ultrasonografía Doppler de las arterias uterinas entre las 11 – 14 semanas de edad gestacional para la predicción de preeclampsia. Instituto Nacional Materno Perinatal. Enero – diciembre 2012. [Internet] [Thesis]. National University of San Marcos; 2015. [cited 2019 Dec 05]. Available from: http://cybertesis.unmsm.edu.pe/handle/cybertesis/9204.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Aquije Pinto MW. Ultrasonografía Doppler de las arterias uterinas entre las 11 – 14 semanas de edad gestacional para la predicción de preeclampsia. Instituto Nacional Materno Perinatal. Enero – diciembre 2012. [Thesis]. National University of San Marcos; 2015. Available from: http://cybertesis.unmsm.edu.pe/handle/cybertesis/9204

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Universidade Nova

14. Falcão, Sandra Isabel Salvador. Assessment by doppler ultrasound of entheseal lesions in spondyloarthritis : a longitudial study to determine structural damage and disease activity lesions.

Degree: 2015, Universidade Nova

URL: http://www.rcaap.pt/detail.jsp?id=oai:run.unl.pt:10362/15224

► RESUMO: Enthesitis is the hallmark of spondyloarthritis (SpA), and is observed in all subtypes. Wide information on SpA abnormalities, including synovitis, tendinitis and enthesitis, can… (more)

▼ RESUMO: Enthesitis is the hallmark of spondyloarthritis (SpA), and is observed in all subtypes. Wide information on SpA abnormalities, including synovitis, tendinitis and enthesitis, can be efficiently perceived by Doppler ultrasound. Furthermore, several studies on imaging of enthesis showed that imaging techniques are better than clinical examination to detect enthesis alterations; and vascularized enthesitis detected by Doppler ultrasound appears to be a valuable diagnostic tool to confirm SpA diagnosis. However, data published until now concerning entheseal elementary alterations that characterize SpA enthesitis (enthesis inflammatory activity) or enthesopathy (permanent structural changes) reflect rather the authors’ empiric opinion than a methodological validation process. In this sense it seems crucial to identify elementary entheseal lesions associated with activity or damage, in order to improve monitoring and treatment response in SpA patients. The development of better assessment tools is today a challenge and a need in SpA. The first study of this thesis focused on the analysis of the reliability of inter-lector and inter-ultrasonography equipment of Madrid sonography enthesitis index (MASEI). Fundamental data for the remaining unrolling project validity. In the second and third studies we concerned about two entheseal elemental lesions: erosions and bursa. In literature erosions represent a permanent structural damage, being useful for monitoring joint injury, disease activity and therapeutic response in many rheumatic diseases; and to date, this concept has been mostly applied in rheumatoid arthritis (RA). Unquestionably, erosion is a tissue-related damage and a structural change. However, the hypothesis that we decided to test was if erosions represent a permanent structural change that can only grow and worsen over time, as occurs in RA, or a transitory alteration. A longitudinal study of early SpA patients was undertaken, and the Achilles enthesis was used as a model. Our results strongly suggested that previously detected erosions could disappear during the course of the disease, being consistent with the dynamic behavior of erosion over time. Based on these striking results it seems reasonable to suggest that the new-bone formation process in SpA could be associated with the resolution of cortical entheseal erosion over time. These results could also be in agreement with the apparent failure of anti-tumor necrosis factor (TNF) therapies to control bone proliferation in SpA; and with the relation of TNF-α, Dickkopf-related protein 1 (Dkk-1) and the regulatory molecule of the Wnt signaling pathway in the bone proliferation in SpA. In the same model, we then proceeded to study the enthesis bursa. Interestingly, the Outcome Measures in Rheumatology Clinical Trials (OMERACT) enthesopathy definition does not include bursa as an elementary entheseal lesion. Nonetheless, bursa was included in 46% of the enthesis studies in a recently systematic literature review, being in agreement with the concept of… Advisors/Committee Members: Branco, Jaime da Cunha.

Subjects/Keywords: Spondylitis, Ankylosing - diagnosis; Doppler Effect

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APA (6^th Edition):

Falcão, S. I. S. (2015). Assessment by doppler ultrasound of entheseal lesions in spondyloarthritis : a longitudial study to determine structural damage and disease activity lesions. (Thesis). Universidade Nova. Retrieved from http://www.rcaap.pt/detail.jsp?id=oai:run.unl.pt:10362/15224

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Falcão, Sandra Isabel Salvador. “Assessment by doppler ultrasound of entheseal lesions in spondyloarthritis : a longitudial study to determine structural damage and disease activity lesions.” 2015. Thesis, Universidade Nova. Accessed December 05, 2019. http://www.rcaap.pt/detail.jsp?id=oai:run.unl.pt:10362/15224.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Falcão, Sandra Isabel Salvador. “Assessment by doppler ultrasound of entheseal lesions in spondyloarthritis : a longitudial study to determine structural damage and disease activity lesions.” 2015. Web. 05 Dec 2019.

Vancouver:

Falcão SIS. Assessment by doppler ultrasound of entheseal lesions in spondyloarthritis : a longitudial study to determine structural damage and disease activity lesions. [Internet] [Thesis]. Universidade Nova; 2015. [cited 2019 Dec 05]. Available from: http://www.rcaap.pt/detail.jsp?id=oai:run.unl.pt:10362/15224.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Falcão SIS. Assessment by doppler ultrasound of entheseal lesions in spondyloarthritis : a longitudial study to determine structural damage and disease activity lesions. [Thesis]. Universidade Nova; 2015. Available from: http://www.rcaap.pt/detail.jsp?id=oai:run.unl.pt:10362/15224

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Université Catholique de Louvain

15. Le Maistre, Sébastien. The rotation of Mars and Phobos from Earth-based radio-tracking observations of a lander.

Degree: 2013, Université Catholique de Louvain

URL: http://hdl.handle.net/2078.1/135864

►

The knowledge of the interior structure of terrestrial planets is fundamental to our understanding of the Solar System and for our comprehension of the formation… (more)

Subjects/Keywords: Martian system; rotation; lander; Doppler

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APA (6^th Edition):

Le Maistre, S. (2013). The rotation of Mars and Phobos from Earth-based radio-tracking observations of a lander. (Thesis). Université Catholique de Louvain. Retrieved from http://hdl.handle.net/2078.1/135864

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Le Maistre, Sébastien. “The rotation of Mars and Phobos from Earth-based radio-tracking observations of a lander.” 2013. Thesis, Université Catholique de Louvain. Accessed December 05, 2019. http://hdl.handle.net/2078.1/135864.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Le Maistre, Sébastien. “The rotation of Mars and Phobos from Earth-based radio-tracking observations of a lander.” 2013. Web. 05 Dec 2019.

Vancouver:

Le Maistre S. The rotation of Mars and Phobos from Earth-based radio-tracking observations of a lander. [Internet] [Thesis]. Université Catholique de Louvain; 2013. [cited 2019 Dec 05]. Available from: http://hdl.handle.net/2078.1/135864.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Le Maistre S. The rotation of Mars and Phobos from Earth-based radio-tracking observations of a lander. [Thesis]. Université Catholique de Louvain; 2013. Available from: http://hdl.handle.net/2078.1/135864

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Universitat de Valencia

16. Táboas Lima, Esther. Cuantificación del daño tisular en tejidos animales fetales tras el uso del Doppler pulsado .

Degree: 2015, Universitat de Valencia

URL: http://hdl.handle.net/10550/49791

► El uso de los ultrasonidos (US) en la obstetricia es una herramienta esencial, siendo España uno de los países con mayor uso de la ecografía… (more)

▼ El uso de los ultrasonidos (US) en la obstetricia es una herramienta esencial, siendo España uno de los países con mayor uso de la ecografía durante el embarazo. La aparición de nuevos marcadores de salud fetal, como son el estudio mediante Doppler pulsado del Ductus venoso fetal, en torno a la semana 14 de gestación, lleva asociada una mayor duración de las exposiciones en edades fetales muy tempranas. La posibilidad de un posible efecto dañino sobre el feto tras el uso del Doppler pulsado es una preocupación presente en la comunidad científica, siendo este tipo de exposiciones sometidos a los más estrictos controles de seguridad, mediante el control de las intensidades máximas de salida y mediante el desarrollo de marcadores de exposición basados en índices cuantitativos que permiten aproximar al técnico con los posibles daños térmicos o mecánicos producidos en la exposición. Sin embargo, a pesar de este control la FDA recomienda el uso prudente de esta tecnología ya que a pesar de que los estudios epidemiológicos no muestran daño tras el uso de ultrasonidos en la descendencia a largo plazo, si se muestra en algunos trabajos una relación entre el descenso en el peso del recién nacido y un incremento en la población no diestra. Es en relación a estos trabajos que la comunidad científica aconseja nuevas investigaciones para poder asegurar su seguridad. Es conocido que los ultrasonidos pueden provocar daños por dos vías, un daño térmico debido al incremento de temperatura local en la zona irradiada la cual tiene un claro efecto teratogénico, o un daño mecánico ocasionado por la formación de microburbujas en las cavidades tisulares dando lugar a tensiones de cizañamientos y rotura de membranas. La FDA aconseja que las exposiciones a ultrasonidos se realicen bajo en principio de ALARA (As low as reasonable archievable) es decir “tan bajas como sea razonablemente posible”. De manera que aconseja trabajar con la mínima intensidad posible, el menor tiempo posible. Este punto es interesante ya que encuestas realizadas entre los usuarios de ecógrafos muestran cómo más del noventa por ciento de los usuarios desconocen los tiempos máximos de exposición de un haz durante el período embrionario, siendo este otro punto de control necesario. Por todo esto el objetivo principal de esta tesis doctoral fue evaluar la presencia de daño tisular en un modelo animal durante el período fetal. Estudiando el efecto de un haz de Doppler pulsado, con las mismas características empleadas en la práctica obstétrica, sobre dos órganos diana como son el hígado fetal y el sistema nervioso central en los fetos de ratas Wistar gestantes, mediante un estudio prospectivo y randomizado. Teniendo en cuenta que hemos estudiado dos órganos diferentes, el estudio se dividió en dos fases, atendiendo a la zona focalizada con el haz de Doppler pulsado: FASE 1: Estudio del efecto de los US sobre el tejido hepático fetal: Para ello en el día 18 de gestación las ratas gestantes (n=37) fueron sometidas a diferentes tiempos de exposición del haz de Doppler,… Advisors/Committee Members: Pellicer Martínez, Antonio (advisor).

Subjects/Keywords: seguridad ecográfica; Doppler; daño tisular

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Táboas Lima, E. (2015). Cuantificación del daño tisular en tejidos animales fetales tras el uso del Doppler pulsado . (Doctoral Dissertation). Universitat de Valencia. Retrieved from http://hdl.handle.net/10550/49791

Chicago Manual of Style (16^th Edition):

Táboas Lima, Esther. “Cuantificación del daño tisular en tejidos animales fetales tras el uso del Doppler pulsado .” 2015. Doctoral Dissertation, Universitat de Valencia. Accessed December 05, 2019. http://hdl.handle.net/10550/49791.

MLA Handbook (7^th Edition):

Táboas Lima, Esther. “Cuantificación del daño tisular en tejidos animales fetales tras el uso del Doppler pulsado .” 2015. Web. 05 Dec 2019.

Vancouver:

Táboas Lima E. Cuantificación del daño tisular en tejidos animales fetales tras el uso del Doppler pulsado . [Internet] [Doctoral dissertation]. Universitat de Valencia; 2015. [cited 2019 Dec 05]. Available from: http://hdl.handle.net/10550/49791.

Council of Science Editors:

Táboas Lima E. Cuantificación del daño tisular en tejidos animales fetales tras el uso del Doppler pulsado . [Doctoral Dissertation]. Universitat de Valencia; 2015. Available from: http://hdl.handle.net/10550/49791

Delft University of Technology

17. Zhao, D. 60 GHz Beamforming Transmitter Design for Pulse Doppler Radar:.

Degree: Electrical Engineering, Mathematics and Computer Science, Microelectronics, 2009, Delft University of Technology

URL: http://resolver.tudelft.nl/uuid:beca2029-d274-4d14-9ea0-a59490019bc1

► Beamforming systems operating at millimeter-wave frequencies provide spatial selectivity, array gain and wide bandwidth, which benefit point-to-point Gb/s wireless communication network and high-resolution radar applications.… (more)

Subjects/Keywords: beamforming; pulse doppler radar; transmitter

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APA (6^th Edition):

Zhao, D. (2009). 60 GHz Beamforming Transmitter Design for Pulse Doppler Radar:. (Masters Thesis). Delft University of Technology. Retrieved from http://resolver.tudelft.nl/uuid:beca2029-d274-4d14-9ea0-a59490019bc1

Chicago Manual of Style (16^th Edition):

Zhao, D. “60 GHz Beamforming Transmitter Design for Pulse Doppler Radar:.” 2009. Masters Thesis, Delft University of Technology. Accessed December 05, 2019. http://resolver.tudelft.nl/uuid:beca2029-d274-4d14-9ea0-a59490019bc1.

MLA Handbook (7^th Edition):

Zhao, D. “60 GHz Beamforming Transmitter Design for Pulse Doppler Radar:.” 2009. Web. 05 Dec 2019.

Vancouver:

Zhao D. 60 GHz Beamforming Transmitter Design for Pulse Doppler Radar:. [Internet] [Masters thesis]. Delft University of Technology; 2009. [cited 2019 Dec 05]. Available from: http://resolver.tudelft.nl/uuid:beca2029-d274-4d14-9ea0-a59490019bc1.

Council of Science Editors:

Zhao D. 60 GHz Beamforming Transmitter Design for Pulse Doppler Radar:. [Masters Thesis]. Delft University of Technology; 2009. Available from: http://resolver.tudelft.nl/uuid:beca2029-d274-4d14-9ea0-a59490019bc1

Texas Tech University

18. -7125-3660. Quantitative analysis of the turbulent structure of convection.

Degree: MS, Atmospheric Science, 2016, Texas Tech University

URL: http://hdl.handle.net/2346/72369

► Doppler radar provides a useful means to examine the turbulent structure of thunderstorms. Mean radial velocity and Doppler spectrum width moments provide information about the… (more)

▼ Doppler radar provides a useful means to examine the turbulent structure of thunderstorms. Mean radial velocity and Doppler spectrum width moments provide information about the variance of velocities of hydrometeors embedded within the thunderstorm flow, from which turbulent energy characteristics can be calculated and inferred. Information regarding the turbulent kinetic energy (TKE) budget may further aid areas of studies concerning model parameterizations of TKE for convection, turbulence detection, as well as the tie between the electrical and kinematic properties of a thunderstorm and the organization of charge within convective systems. Previous studies have utilized Doppler radar data to infer turbulence characteristics and turbulent dissipation of energy of deep moist convection; however, as a consequence of the lower frequency and larger gate spacing of the radars being used to collect data, such studies were limited in the range of scales they could examine. This study utilizes higher-resolution radar data to create turbulent kinetic energy spectra and to calculate eddy dissipation rates for selected areas within an RHI scan, collected with the TTU Ka-band mobile Doppler radars. Data were collected during the spring of 2014, 2015, and 2016 for the Kinematic Texture and Lightning (KTaL) field experiment. The objective of taking these measurements is to examine and further understand the distribution of energy within diverse regions of turbulent and more uniform flow in convection, and to assess the utility and accuracy of using higher-resolution data from the TTU Ka-band radars for such analyses. Fourier analysis of the variance of mean Doppler velocities is used to create the TKE spectra, in order to infer characteristics of the inertial subrange, where energy is being transferred to smaller scales within the thunderstorm system. Both Doppler spectrum width and variance of mean Doppler velocities are used to calculate eddy dissipation rates for the turbulence within the convection. A comparison between the eddy dissipation rates found using variance of radial velocities and those found using spectrum width serves to further validate results, as well as provide an assessment of the accuracy of the different techniques. Advisors/Committee Members: Weiss, Christopher (committee member), Dahl, Johannes (committee member), Bruning, Eric (Committee Chair).

Subjects/Keywords: turbulence; convection; Doppler radar

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APA (6^th Edition):

-7125-3660. (2016). Quantitative analysis of the turbulent structure of convection. (Masters Thesis). Texas Tech University. Retrieved from http://hdl.handle.net/2346/72369

Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete

Chicago Manual of Style (16^th Edition):

-7125-3660. “Quantitative analysis of the turbulent structure of convection.” 2016. Masters Thesis, Texas Tech University. Accessed December 05, 2019. http://hdl.handle.net/2346/72369.

Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete

MLA Handbook (7^th Edition):

-7125-3660. “Quantitative analysis of the turbulent structure of convection.” 2016. Web. 05 Dec 2019.

Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete

Vancouver:

-7125-3660. Quantitative analysis of the turbulent structure of convection. [Internet] [Masters thesis]. Texas Tech University; 2016. [cited 2019 Dec 05]. Available from: http://hdl.handle.net/2346/72369.

Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete

Council of Science Editors:

-7125-3660. Quantitative analysis of the turbulent structure of convection. [Masters Thesis]. Texas Tech University; 2016. Available from: http://hdl.handle.net/2346/72369

Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete

19. O'Malley, Patrick Francis. Investigation of Noise Sources in Laser Doppler Vibrometer Measurements.

Degree: PhD, Mechanical Engineering, 2011, The Catholic University of America

URL: http://hdl.handle.net/1961/10141

►

Degree awarded: Ph.D. Mechanical Engineering. The Catholic University of America

The laser Doppler vibrometer (LDV) is a tool which can detect a Doppler shift induced… (more)

▼

Degree awarded: Ph.D. Mechanical Engineering. The Catholic University of America

The laser Doppler vibrometer (LDV) is a tool which can detect a Doppler shift induced in a laser beam incident on a vibrating target. This Doppler shift is processed to yield information about the velocity at which the target is vibrating. LDV systems have evolved from custom built laboratory instruments in the late 1960s to widely used, commercially available tools. A particular aspect of LDV systems that has not been thoroughly investigated in a unified manner is the way in which measurement conditions impart noise into the velocity signal. This work investigates several noise sources including target surface roughness, standoff distance, beam focus, angle of incidence, and amplitude-dependent noise. There is little literature dedicated to addressing the consequences of these fundamental noise sources, all of which confront LDV systems in every measurement. The aim of this dissertation is to study these noise sources and contribute meaningful analysis that will be of use to those in the LDV community who are concerned with maximizing measurement quality. A novel three-dimensional contour scanning LDV measurement system has been developed which allows measurement along vectors relative to the surface normal of the target. This unique system raised issues which motivated the investigation of noise sources in LDV. A new method of looking at the noise field, which considers standoff distance and beam focus, is presented, illustrating the complicated nature of LDV noise. These noise maps provide a starting point to a more detailed investigation of surface roughness effects. Methods for characterizing measurement noise arising from focus error and angle of incidence when the target has a rough surface are proposed and results from experiments performed on surfaces machined to a precise roughness average are used to draw conclusions about the effects of surface roughness.With LDV, the speckle phenomenon causes increased noise in measurements when the vibration amplitude increases. An experiment to characterize this behavior is presented, the results of which illustrate when this amplitude dependent noise will have potentially adverse effects on the measurement.

Made available in DSpace on 2012-02-15T20:54:21Z (GMT). No. of bitstreams: 1 OMalley_cua_0043A_10264display.pdf: 27714355 bytes, checksum: f77db570b477e77ac078956ab56e094d (MD5)

Advisors/Committee Members: Judge, John A (Advisor), Vignola, Joseph F (Other), Wang, Zhaoyang (Other).

Subjects/Keywords: Mechanical engineering; Laser Doppler Vibrometer

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

O'Malley, P. F. (2011). Investigation of Noise Sources in Laser Doppler Vibrometer Measurements. (Doctoral Dissertation). The Catholic University of America. Retrieved from http://hdl.handle.net/1961/10141

Chicago Manual of Style (16^th Edition):

O'Malley, Patrick Francis. “Investigation of Noise Sources in Laser Doppler Vibrometer Measurements.” 2011. Doctoral Dissertation, The Catholic University of America. Accessed December 05, 2019. http://hdl.handle.net/1961/10141.

MLA Handbook (7^th Edition):

O'Malley, Patrick Francis. “Investigation of Noise Sources in Laser Doppler Vibrometer Measurements.” 2011. Web. 05 Dec 2019.

Vancouver:

O'Malley PF. Investigation of Noise Sources in Laser Doppler Vibrometer Measurements. [Internet] [Doctoral dissertation]. The Catholic University of America; 2011. [cited 2019 Dec 05]. Available from: http://hdl.handle.net/1961/10141.

Council of Science Editors:

O'Malley PF. Investigation of Noise Sources in Laser Doppler Vibrometer Measurements. [Doctoral Dissertation]. The Catholic University of America; 2011. Available from: http://hdl.handle.net/1961/10141

University of Johannesburg

20. Venter, Con-Vivier. Seinverwerker vir laser-Doppler anemometrie.

Degree: 2014, University of Johannesburg

URL: http://hdl.handle.net/10210/9497

►

M.Ing. (Electrical And Electronic Engineering)

A brief introduction to laser Doppler anemometry is given. Signal processing techniques for LOA are discussed with specific reference to… (more)

Subjects/Keywords: Laser Doppler velocimeter; Signal processing

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APA (6^th Edition):

Venter, C. (2014). Seinverwerker vir laser-Doppler anemometrie. (Thesis). University of Johannesburg. Retrieved from http://hdl.handle.net/10210/9497

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Venter, Con-Vivier. “Seinverwerker vir laser-Doppler anemometrie.” 2014. Thesis, University of Johannesburg. Accessed December 05, 2019. http://hdl.handle.net/10210/9497.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Venter, Con-Vivier. “Seinverwerker vir laser-Doppler anemometrie.” 2014. Web. 05 Dec 2019.

Vancouver:

Venter C. Seinverwerker vir laser-Doppler anemometrie. [Internet] [Thesis]. University of Johannesburg; 2014. [cited 2019 Dec 05]. Available from: http://hdl.handle.net/10210/9497.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Venter C. Seinverwerker vir laser-Doppler anemometrie. [Thesis]. University of Johannesburg; 2014. Available from: http://hdl.handle.net/10210/9497

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Oklahoma

21. French, Michael. Mobile, Phased-Array, Doppler Radar Observations of Tornadoes at X Band.

Degree: PhD, 2012, University of Oklahoma

URL: http://hdl.handle.net/11244/319215

► Finally, volumetric characteristics of TVSs up through storm midlevels are discussed. Vertical Delta-V profiles and tornado orientation are examined during multiple phases of tornado lifecycles… (more)

Subjects/Keywords: Doppler radar; Tornadoes; Radar meteorology

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APA (6^th Edition):

French, M. (2012). Mobile, Phased-Array, Doppler Radar Observations of Tornadoes at X Band. (Doctoral Dissertation). University of Oklahoma. Retrieved from http://hdl.handle.net/11244/319215

Chicago Manual of Style (16^th Edition):

French, Michael. “Mobile, Phased-Array, Doppler Radar Observations of Tornadoes at X Band.” 2012. Doctoral Dissertation, University of Oklahoma. Accessed December 05, 2019. http://hdl.handle.net/11244/319215.

MLA Handbook (7^th Edition):

French, Michael. “Mobile, Phased-Array, Doppler Radar Observations of Tornadoes at X Band.” 2012. Web. 05 Dec 2019.

Vancouver:

French M. Mobile, Phased-Array, Doppler Radar Observations of Tornadoes at X Band. [Internet] [Doctoral dissertation]. University of Oklahoma; 2012. [cited 2019 Dec 05]. Available from: http://hdl.handle.net/11244/319215.

Council of Science Editors:

French M. Mobile, Phased-Array, Doppler Radar Observations of Tornadoes at X Band. [Doctoral Dissertation]. University of Oklahoma; 2012. Available from: http://hdl.handle.net/11244/319215

University of Oklahoma

22. Alexander, Curtis Raymond. A MOBILE RADAR BASED CLIMATOLOGY OF SUPERCELL TORNADO STRUCTURES AND DYNAMICS.

Degree: PhD, 2010, University of Oklahoma

URL: http://hdl.handle.net/11244/319059

► The evolution of vortex-scale vorticity in most of the tornadogenesis cases also revealed a dominant mode of simultaneous scale contraction through the lowest 1 km… (more)

Subjects/Keywords: Doppler radar; Radar meteorology; Tornadoes

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APA (6^th Edition):

Alexander, C. R. (2010). A MOBILE RADAR BASED CLIMATOLOGY OF SUPERCELL TORNADO STRUCTURES AND DYNAMICS. (Doctoral Dissertation). University of Oklahoma. Retrieved from http://hdl.handle.net/11244/319059

Chicago Manual of Style (16^th Edition):

Alexander, Curtis Raymond. “A MOBILE RADAR BASED CLIMATOLOGY OF SUPERCELL TORNADO STRUCTURES AND DYNAMICS.” 2010. Doctoral Dissertation, University of Oklahoma. Accessed December 05, 2019. http://hdl.handle.net/11244/319059.

MLA Handbook (7^th Edition):

Alexander, Curtis Raymond. “A MOBILE RADAR BASED CLIMATOLOGY OF SUPERCELL TORNADO STRUCTURES AND DYNAMICS.” 2010. Web. 05 Dec 2019.

Vancouver:

Alexander CR. A MOBILE RADAR BASED CLIMATOLOGY OF SUPERCELL TORNADO STRUCTURES AND DYNAMICS. [Internet] [Doctoral dissertation]. University of Oklahoma; 2010. [cited 2019 Dec 05]. Available from: http://hdl.handle.net/11244/319059.

Council of Science Editors:

Alexander CR. A MOBILE RADAR BASED CLIMATOLOGY OF SUPERCELL TORNADO STRUCTURES AND DYNAMICS. [Doctoral Dissertation]. University of Oklahoma; 2010. Available from: http://hdl.handle.net/11244/319059

University of Arizona

23. Wilson, Dean Andrew, 1938-. Drop-size distributions as revealed by pulsed doppler radar .

Degree: 1963, University of Arizona

URL: http://hdl.handle.net/10150/551709

Subjects/Keywords: Doppler radar.

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APA (6^th Edition):

Wilson, Dean Andrew, 1. (1963). Drop-size distributions as revealed by pulsed doppler radar . (Masters Thesis). University of Arizona. Retrieved from http://hdl.handle.net/10150/551709

Chicago Manual of Style (16^th Edition):

Wilson, Dean Andrew, 1938-. “Drop-size distributions as revealed by pulsed doppler radar .” 1963. Masters Thesis, University of Arizona. Accessed December 05, 2019. http://hdl.handle.net/10150/551709.

MLA Handbook (7^th Edition):

Wilson, Dean Andrew, 1938-. “Drop-size distributions as revealed by pulsed doppler radar .” 1963. Web. 05 Dec 2019.

Vancouver:

Wilson, Dean Andrew 1. Drop-size distributions as revealed by pulsed doppler radar . [Internet] [Masters thesis]. University of Arizona; 1963. [cited 2019 Dec 05]. Available from: http://hdl.handle.net/10150/551709.

Council of Science Editors:

Wilson, Dean Andrew 1. Drop-size distributions as revealed by pulsed doppler radar . [Masters Thesis]. University of Arizona; 1963. Available from: http://hdl.handle.net/10150/551709

Brunel University

24. Zettas, Spiridon. Adaptive averaging channel estimation for DVB-T2 systems.

Degree: PhD, 2018, Brunel University

URL: http://bura.brunel.ac.uk/handle/2438/16581 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.765002

► In modern communication systems, the rate of transmitted data is growing rapidly. This leads to the need for more sophisticated methods and techniques of implementation… (more)

▼ In modern communication systems, the rate of transmitted data is growing rapidly. This leads to the need for more sophisticated methods and techniques of implementation in every block of the transmitter-receiver chain. The weakest link in radio communications is the transmission channel. The signal, which is passed through it, suffers from many degrading factors like noise, attenuation, diffraction, scattering etc. In the receiver side, the modulated signal has to be restored to its initial state in order to extract the useful information. Assuming that the channel acts like a filter with finite impulse, one has to know its coefficients in order to apply the inverse function, which will restore the signal back to its initial state. The techniques which deal with this problem are called channel estimation. Noise is one of the causes that degrade the quality of the received signal. If it could be discarded, then the process of channel estimation would be easier. Transmitting special symbols, called pilots with known amplitude, phase and position to the receiver and assuming that the noise has zero mean, an averaging process could reduce the noise impact to the pilot amplitudes and thus simplify the channel estimation process. In this thesis, a novel channel estimation method based on noise rejection is introduced. The estimator takes into account the time variations of the channel and adapts its buffer size in order to achieve the best performance. Many configurations of the estimator were tested and at the beginning of the research fixed size estimators were tested. The fixed estimator has a very good performance for channels which could be considered as stationary in the time domain, like Additive White Gaussian Noise (AWGN) channels or slowly time-varying channels. AWGN channel is a channel model where the only distorting factor is the noise, where noise is every unwanted signal interfering with the useful signal. The properties of the noise are that it is additive, which means that the noise is superimposed on the transmitted signal, it is white so the power density is constant for all frequencies, and it has a Gaussian distribution in the time domain with zero mean and variance σ2=N. A slowly time varying channel refers to channel with coherence time larger than the transmitted symbol duration. The performance of a fixed size averaging estimator in case of fast time-varying channels is subject to the buffering time. When the buffering time is smaller or equal to a portion of the coherence time the averaging process offers better performance than the conventional estimation, but when the buffering time exceeds this portion of the coherence time the performance of the averaging process degrades fast. So, an extension has been made to the averaging estimator that estimates the Doppler shift and thus the coherence time, where the channel could be assumed as stationary. The improved estimator called Adaptive Averaging Channel Estimator (AACE) is capable to adjust its buffer size and thus to average only successive…

Subjects/Keywords: Wireless communications; Doppler Shift

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APA (6^th Edition):

Zettas, S. (2018). Adaptive averaging channel estimation for DVB-T2 systems. (Doctoral Dissertation). Brunel University. Retrieved from http://bura.brunel.ac.uk/handle/2438/16581 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.765002

Chicago Manual of Style (16^th Edition):

Zettas, Spiridon. “Adaptive averaging channel estimation for DVB-T2 systems.” 2018. Doctoral Dissertation, Brunel University. Accessed December 05, 2019. http://bura.brunel.ac.uk/handle/2438/16581 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.765002.

MLA Handbook (7^th Edition):

Zettas, Spiridon. “Adaptive averaging channel estimation for DVB-T2 systems.” 2018. Web. 05 Dec 2019.

Vancouver:

Zettas S. Adaptive averaging channel estimation for DVB-T2 systems. [Internet] [Doctoral dissertation]. Brunel University; 2018. [cited 2019 Dec 05]. Available from: http://bura.brunel.ac.uk/handle/2438/16581 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.765002.

Council of Science Editors:

Zettas S. Adaptive averaging channel estimation for DVB-T2 systems. [Doctoral Dissertation]. Brunel University; 2018. Available from: http://bura.brunel.ac.uk/handle/2438/16581 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.765002

25. Bagio, Maria Rita de Figueiredo. Estudo hemodinâmico materno fetal pré e pós tratamento de crise hipertensiva.

Degree: Mestrado, Ginecologia e Obstetrícia, 2010, University of São Paulo

URL: http://www.teses.usp.br/teses/disponiveis/17/17145/tde-27092013-163414/ ;

► A síndrome hipertensiva gestacional (SHG) afeta três milhões de mulheres por ano no mundo e pode resultar em inúmeras perdas fetais e perinatais, além de… (more)

▼ A síndrome hipertensiva gestacional (SHG) afeta três milhões de mulheres por ano no mundo e pode resultar em inúmeras perdas fetais e perinatais, além de ser responsável pela morte de uma mulher a cada 6 minutos em todo o mundo. Durante uma crise hipertensiva na gestação ocorre vasoconstrição arteriolar generalizada e diminuição do fluxo útero placentário. A diminuição de fluxo na artéria uterina ocasiona déficit do aporte de oxigênio nas áreas de troca materno fetal submetendo o feto à regime de hipóxia transitória comprováveis na avaliação hemodinâmica. O labetalol e a hidralazina são anti hipertensivos de primeira escolha na gravidez, uma vez que aumentam o fluxo útero-placentário em decorrência da redução da resistência vascular uterina. Objetivos Avaliar as condições hemodinâmicas materno/fetais durante o período da crise hipertensiva e após seu tratamento com labetalol e/ou hidralazina. Pacientes e métodos Foram avaliadas 18 pacientes com quadro de crise hipertensiva com pressão arterial maior que 160x110mmHg, sem sintomas de eminência de eclâmpsia. Realizou-se estudo dopplervelocimétrico das artérias uterinas direita e esquerda materna, umbilical e cerebral média fetal. A avaliação hemodinâmica materno/fetal foi realizada no momento da crise hipertensiva e após o tratamento com labetalol e/ou hidralazina. A análise pós tratamento foi realizada após estabilização da pressão arterial < 150/100mmHg. Resultados A média de idade das pacientes foi de 29,11 anos e a idade gestacional média do estudo de 34,5 semanas. O valor médio da pressão arterial sistólica e diastólica durante a crise hipertensiva foi de 174,71 e 112,35mmHg, respectivamente. Os parâmetros dopplervelocimétricos avaliados na crise hipertensiva foram: IP da artéria uterina direita 1,24+-0,42; IP da artéria uterina esquerda 1,29+-0,40; IR da artéria cerebral média de 0,78+-0,06 e IR da artéria umbilical de 0,65+-0,12. Após o tratamento da crise hipertensiva a pressão arterial sistólica média foi de 146,47mmHg e a pressão arterial diastólica média de 87,06mmHg. Após o tratamento da crise hipertensiva, os parâmetros avaliados foram: IP da artéria uterina direita 1,26+-0,37; IP da artéria uterina esquerda 1,37+-0,36; IR da artéria cerebral média de 0,78+-0,09 e IR da artéria umbilical de 0,67+-0,09. Não houve diferenças estatísticas significativas nos parâmetros Doppler quando comprados os valores na crise hipertensiva e após o controle da pressão arterial. Conclusão As gestações de pacientes com síndromes hipertensivas são consideradas de alto risco e, devem ser alvo de observação rigorosa durante o pré-natal. A análise dopplervelocimétrica fetal (artéria cerebral média e umbilical) e materna (artérias uterinas) deve ser realizada para avaliação da vitalidade fetal nestas pacientes, inclusive durante de crise hipertensiva. Este estudo demonstrou não haver diferença na avaliação dos parâmetros dopplervelocimétricos materno e fetal, durante ou após a crise hipertensiva tratada com … Advisors/Committee Members: Cavalli, Ricardo de Carvalho.

Subjects/Keywords: Doppler; Doppler; Gestação; Hidralazina; Hipertensão; Hydralazine; Hypertension; Labetalol; Labetalol; Pregnancy

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Bagio, M. R. d. F. (2010). Estudo hemodinâmico materno fetal pré e pós tratamento de crise hipertensiva. (Masters Thesis). University of São Paulo. Retrieved from http://www.teses.usp.br/teses/disponiveis/17/17145/tde-27092013-163414/ ;

Chicago Manual of Style (16^th Edition):

Bagio, Maria Rita de Figueiredo. “Estudo hemodinâmico materno fetal pré e pós tratamento de crise hipertensiva.” 2010. Masters Thesis, University of São Paulo. Accessed December 05, 2019. http://www.teses.usp.br/teses/disponiveis/17/17145/tde-27092013-163414/ ;.

MLA Handbook (7^th Edition):

Bagio, Maria Rita de Figueiredo. “Estudo hemodinâmico materno fetal pré e pós tratamento de crise hipertensiva.” 2010. Web. 05 Dec 2019.

Vancouver:

Bagio MRdF. Estudo hemodinâmico materno fetal pré e pós tratamento de crise hipertensiva. [Internet] [Masters thesis]. University of São Paulo; 2010. [cited 2019 Dec 05]. Available from: http://www.teses.usp.br/teses/disponiveis/17/17145/tde-27092013-163414/ ;.

Council of Science Editors:

Bagio MRdF. Estudo hemodinâmico materno fetal pré e pós tratamento de crise hipertensiva. [Masters Thesis]. University of São Paulo; 2010. Available from: http://www.teses.usp.br/teses/disponiveis/17/17145/tde-27092013-163414/ ;

26. Tsunoda, Roberta Harue. Efeitos da pentoxifilina sobre a qualidade espermática e hemodinâmica uterina em equinos.

Degree: Mestrado, Reprodução Animal, 2013, University of São Paulo

URL: http://www.teses.usp.br/teses/disponiveis/10/10131/tde-18112013-161839/ ;

► A resposta inflamatória uterina pós-cobertura ocorre para remoção de espermatozoides e contaminantes; todavia, o atraso em debelar este processo têm sido identificado, em equinos, como… (more)

▼ A resposta inflamatória uterina pós-cobertura ocorre para remoção de espermatozoides e contaminantes; todavia, o atraso em debelar este processo têm sido identificado, em equinos, como a principal causa de endometrite persistente pós-cobertura. A pentoxifilina atua como um inibidor da fosfodiesterase e aumenta as características de motilidade espermática, ainda tem sido relatada sua participação como agente reológico, aumentando o fluxo sanguíneo de tecidos comprometidos, e como agente imunomodulador. O propósito deste estudo foi examinar os efeitos da pentoxifilina adicionada ao diluidor seminal pós-descongelação, sobre a motilidade espermática, membranas plasmática, acrossomal e mitocondrial e integridade de cromatina, bem como sobre a resposta inflamatória uterina após a inseminação artificial de éguas. Dez partidas de sêmen de um único garanhão foram criopreservadas (100x106 espermatozoides/palheta 0,5 mL) em sistema automatizado (TK 3000) e mantidas em botijão criogênico, sendo posteriormente utilizadas para análises laboratoriais e inseminação artificial. Para análise laboratorial duas palhetas de sêmen de cada partida foram descongeladas (37ºC/30 segundos) e diluídas em diluidor à base de leite desnatado (controle) e diluidor à base de leite desnatado contendo pentoxifilina (7,18 mM). As alíquotas de cada tratamento foram mantidas em banho-Maria seco (37°C) e analisadas em quatro momentos: 5 (T0), 30 (T30), 60 (T60) e 120 minutos (T120) pós-diluição e incubação. As amostras foram analisadas quanto às características de movimento espermático, por sistema computadorizado de análise espermática (CASA), membranas plasmática, acrossomal e mitocondrial por associação de sondas fluorescentes (PI, H342, FITC-PSA e JC-1), morfologia espermática por contraste de interferência diferencial e integridade da cromatina pelo Azul de Toluidina. Para avaliar os efeitos do diluidor contendo ou não pentoxifilina na resposta inflamatória uterina, foram utilizadas 15 éguas distribuídas em cinco grupos: Grupo Control (controle): sem deposição de sêmen, nem diluidor, mimetizando-se o procedimento da IA; Grupo SM Extender: deposição de diluidor sem pentoxifilina (Botusemen®, Botupharma); Grupo SM Extender + PTX: deposição de diluidor contendo pentoxifilina; Grupo Sêmen: deposição de sêmen diluído com diluidor sem pentoxifilina; Grupo Sêmen + PTX: deposição de sêmen diluído com diluidor contendo pentoxifilina (7,18 mM). A hemodinâmica uterina foi avaliada por ultrassonografia nos modo color e espectral realizadas nos períodos: imediatamente antes da indução da ovulação (aproximadamente 30 horas antes da IA, T-30), imediatamente antes da inseminação artificial (TIA) e 2 (T2), 6 (T6), 12 (T12), 24 (T24) e 48 (T48) horas após a inseminação artificial. Uma amostra para citologia endometrial foi coletada, por escova ginecológica no momento T6. A análise estatística foi realizada utilizando-se análise de variância (ANOVA), sendo as médias comparadas pelo LSD test, SAS versão 9.3 (2010). A adição de pentoxifilina não exerceu efeito sobre a… Advisors/Committee Members: Celeghini, Eneiva Carla Carvalho.

Subjects/Keywords: Diluidor; Doppler; Doppler; Endometrite; Endometritis; Extender; Membranas; Membranes; Semen; Sêmen

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Tsunoda, R. H. (2013). Efeitos da pentoxifilina sobre a qualidade espermática e hemodinâmica uterina em equinos. (Masters Thesis). University of São Paulo. Retrieved from http://www.teses.usp.br/teses/disponiveis/10/10131/tde-18112013-161839/ ;

Chicago Manual of Style (16^th Edition):

Tsunoda, Roberta Harue. “Efeitos da pentoxifilina sobre a qualidade espermática e hemodinâmica uterina em equinos.” 2013. Masters Thesis, University of São Paulo. Accessed December 05, 2019. http://www.teses.usp.br/teses/disponiveis/10/10131/tde-18112013-161839/ ;.

MLA Handbook (7^th Edition):

Tsunoda, Roberta Harue. “Efeitos da pentoxifilina sobre a qualidade espermática e hemodinâmica uterina em equinos.” 2013. Web. 05 Dec 2019.

Vancouver:

Tsunoda RH. Efeitos da pentoxifilina sobre a qualidade espermática e hemodinâmica uterina em equinos. [Internet] [Masters thesis]. University of São Paulo; 2013. [cited 2019 Dec 05]. Available from: http://www.teses.usp.br/teses/disponiveis/10/10131/tde-18112013-161839/ ;.

Council of Science Editors:

Tsunoda RH. Efeitos da pentoxifilina sobre a qualidade espermática e hemodinâmica uterina em equinos. [Masters Thesis]. University of São Paulo; 2013. Available from: http://www.teses.usp.br/teses/disponiveis/10/10131/tde-18112013-161839/ ;

27. Tucunduva, Maria José Albuquerque Pereira de Sousa e. Proposta de mapeamento da vascularização normal da face por meio da ultrassonografia modo B e Doppler.

Degree: PhD, Diagnóstico Bucal, 2012, University of São Paulo

URL: http://www.teses.usp.br/teses/disponiveis/23/23139/tde-14012013-154327/ ;

►

O estudo do aporte sanguíneo da face é importante em função da cirurgia como para as cirurgias que fazem uso de retalhos. O bom restabelecimento… (more)

▼

O estudo do aporte sanguíneo da face é importante em função da cirurgia como para as cirurgias que fazem uso de retalhos. O bom restabelecimento da área depende da perfusão obtida. Os métodos de aquisição de imagem que investigam a vascularização da face muitas vezes são caros e acrescentam risco à condição do paciente. A ultrassonografia é um método de imagem que não oferece risco ao paciente, sendo acessível e realizado em tempo real. A intensidade do fluxo sanguíneo de uma determinada estrutura pode ser medida pelo modo Doppler e alterações do padrão de normalidade indicam uma possível deficiência na nutrição dos tecidos compreendidos, podendo mesmo levar o clínico a prever futuras afecções. O objetivo neste estudo foi captar a vascularização normal da face, por meio da ultrassonografia modo B e Doppler de modo a se propor um mapeamento dos principais vasos arteriais. Foi possível, utilizando-se transdutores linear e endocavitário proceder-se ao estudo da vascularização da face. Foram obtidos dados referentes à vascularização da face que permitissem a análise da hemodinâmica dos tecidos. Foram estudados três vasos de diâmetro reduzido (0,60mm a. angular; 0,55mm a. palatina maior; 0,45mm a. infraorbital), sendo que nestes foi possível adquirir gráficos de onda de velocidade de fluxo e, consequentemente, obter-se a velocidade de pico sistólico (VPS) e o índice de resistividade (IR).

The study of the blood supply of the facial tissues is important due to oral and maxillofacial surgery as for operations that make use of flaps. The proper restoration of the perfusion is essential to the success of these procedures. The image methods that investigate the vasculature of the face are often costly and add risk to the patients condition. Ultrasound is an imaging method that offers no risk, is affordable and is performed in real time. The intensity of blood flow of a given structure can be measured by Doppler mode and changes in the normal range can indicate a deficiency in the nutrition of tissues end even influence the clinician to predict future conditions. The aim of this study was to access the normal vasculature of the face through ultrasound B-mode and Doppler in order to propose a mapping of the arterial vessels. It was possible, using the linear and endocavitary probes to study the vascularity of the face. Data was obtained allowing the analysis of the tissue hemodynamics. It was possible to access three arteries of small diameter (0,60mm angular artery; 0,55mm greater palatine artery; 0,45mm infraorbital artery) and in all cases graphics of wave flow velocity. Therefore, the resistivity index (RI) and systolic peak velocity (SPV) could also be computed.

Advisors/Committee Members: Freitas, Claudio Froes de.

Subjects/Keywords: Anatomia; Anatomy; Doppler; Doppler; Ultrasonography; Ultrassonografia; Vascularização; Vascularization

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APA (6^th Edition):

Tucunduva, M. J. A. P. d. S. e. (2012). Proposta de mapeamento da vascularização normal da face por meio da ultrassonografia modo B e Doppler. (Doctoral Dissertation). University of São Paulo. Retrieved from http://www.teses.usp.br/teses/disponiveis/23/23139/tde-14012013-154327/ ;

Chicago Manual of Style (16^th Edition):

Tucunduva, Maria José Albuquerque Pereira de Sousa e. “Proposta de mapeamento da vascularização normal da face por meio da ultrassonografia modo B e Doppler.” 2012. Doctoral Dissertation, University of São Paulo. Accessed December 05, 2019. http://www.teses.usp.br/teses/disponiveis/23/23139/tde-14012013-154327/ ;.

MLA Handbook (7^th Edition):

Tucunduva, Maria José Albuquerque Pereira de Sousa e. “Proposta de mapeamento da vascularização normal da face por meio da ultrassonografia modo B e Doppler.” 2012. Web. 05 Dec 2019.

Vancouver:

Tucunduva MJAPdSe. Proposta de mapeamento da vascularização normal da face por meio da ultrassonografia modo B e Doppler. [Internet] [Doctoral dissertation]. University of São Paulo; 2012. [cited 2019 Dec 05]. Available from: http://www.teses.usp.br/teses/disponiveis/23/23139/tde-14012013-154327/ ;.

Council of Science Editors:

Tucunduva MJAPdSe. Proposta de mapeamento da vascularização normal da face por meio da ultrassonografia modo B e Doppler. [Doctoral Dissertation]. University of São Paulo; 2012. Available from: http://www.teses.usp.br/teses/disponiveis/23/23139/tde-14012013-154327/ ;

28. Pogliani, Fabio Celidonio. Parâmetros ecodopplercardiográficos de bezerros da raça Nelore originados através de transferência nuclear de células somáticas adultas - Clonagem.

Degree: PhD, Clínica Veterinária, 2010, University of São Paulo

URL: http://www.teses.usp.br/teses/disponiveis/10/10136/tde-20042012-082830/ ;

►

A presente pesquisa avaliou as anomalias e/ou disfunções cardíacas através da determinação e comparação dos parâmetros ecocardiográficos e ecodopplercardiográficos do fluxo da valva pulmonar em… (more)

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A presente pesquisa avaliou as anomalias e/ou disfunções cardíacas através da determinação e comparação dos parâmetros ecocardiográficos e ecodopplercardiográficos do fluxo da valva pulmonar em bezerros da raça Nelore originados através de transferência nuclear de células somáticas adultas (TNCS) e concebidos por inseminação artificial ou monta natural durante os primeiros 30 dias de vida, com a finalidade de contribuir nos estudos na área de clonagem e no desenvolvimento da clínica de neonatos bovinos. O delineamento experimental envolveu a avaliação ecocardiográfica do coração e avaliação do fluxo da valva pulmonar através de ecocardiografia Doppler distribuídos nos seguintes intervalos: de 0 a 12 horas após o nascimento, de 12 a 24 horas após o nascimento, de 1 a 2 dias de vida, de 2 a 4 dias de vida, de 4 a 7 dias de vida, de 7 a 10 dias de vida, de 10 a 15 dias de vida, de 15 a 20 dias de vida e de 20 a 30 dias de vida. Os bezerros foram divididos em 2 grupos experimentais: 1- Grupo Controle composto por 10 bezerros obtidos por monta natural ou inseminação artificial e 2- Grupo Clones composto por 10 bezerros obtidos por meio de TNCS. Os parâmetros e índices ecocardiográficos foram: diâmetro interno do átrio esquerdo e direito em sístole, diâmetro interno de ventrículo direito em sístole e diástole, espessura do septo interventricular em sístole e diástole, diâmetro interno do ventrículo esquerdo em sístole e diástole, parede livre do ventrículo esquerdo em sístole e diástole, diâmetro da aorta em diástole, razão átrio esquerdo em sístole e aorta, tempo de ejeção do ventrículo esquerdo, separação septal do ponto E, encurtamento fracional, fração de ejeção, volumes sistólico, diastólico e de ejeção, débito cardíaco, razão septo interventricular em sístole pela parede livre do ventrículo esquerdo em sístole.A avaliação do fluxo da valva pulmonar foi feita através da mensuração da velocidade máxima, velocidade média, tempo de ejeção, tempo de aceleração, integral de velocidade, volume sistólico, débito cardíaco e frequência cardíaca. Dos 10 animais clonados, 3 morreram em até 48 horas de vida apresentando hipertrofia ventricular congênita concêntrica, comunicação interatrial por não oclusão do forame oval e hipertensão arterial pulmonar. Os clones vivos apresentaram fluxo colorido através de comunicação interatrial em até 10 dias de vida enquanto que os bezerros do grupo Controle apresentaram fluxo colorido em até 7 dias. O peso vivo dos animais apresentou alta correlação com o perímetro torácico. Os valores do ecocardiograma determinados para o grupo Controle não são indicados para serem usados como valores de referência para os clones, pois variam muito com o peso dos animais e os clones apresentam variação de peso acima do normal para a espécie.

The present research evaluated anomalies and/or cardiac dysfunctions through the determination and comparison of echocardiographic and echodopplercardiographic parameters of pulmonary valve flow on Nelore breed calves originated from the somatic cell nuclear transfer…

Advisors/Committee Members: Birgel Junior, Eduardo Harry.

Subjects/Keywords: Bezerro; Calf; Clonagem; Cloning; Doppler; Doppler; Echocardiography; Ecocardiografia; Nelore; Nelore

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Pogliani, F. C. (2010). Parâmetros ecodopplercardiográficos de bezerros da raça Nelore originados através de transferência nuclear de células somáticas adultas - Clonagem. (Doctoral Dissertation). University of São Paulo. Retrieved from http://www.teses.usp.br/teses/disponiveis/10/10136/tde-20042012-082830/ ;

Chicago Manual of Style (16^th Edition):

Pogliani, Fabio Celidonio. “Parâmetros ecodopplercardiográficos de bezerros da raça Nelore originados através de transferência nuclear de células somáticas adultas - Clonagem.” 2010. Doctoral Dissertation, University of São Paulo. Accessed December 05, 2019. http://www.teses.usp.br/teses/disponiveis/10/10136/tde-20042012-082830/ ;.

MLA Handbook (7^th Edition):

Pogliani, Fabio Celidonio. “Parâmetros ecodopplercardiográficos de bezerros da raça Nelore originados através de transferência nuclear de células somáticas adultas - Clonagem.” 2010. Web. 05 Dec 2019.

Vancouver:

Pogliani FC. Parâmetros ecodopplercardiográficos de bezerros da raça Nelore originados através de transferência nuclear de células somáticas adultas - Clonagem. [Internet] [Doctoral dissertation]. University of São Paulo; 2010. [cited 2019 Dec 05]. Available from: http://www.teses.usp.br/teses/disponiveis/10/10136/tde-20042012-082830/ ;.

Council of Science Editors:

Pogliani FC. Parâmetros ecodopplercardiográficos de bezerros da raça Nelore originados através de transferência nuclear de células somáticas adultas - Clonagem. [Doctoral Dissertation]. University of São Paulo; 2010. Available from: http://www.teses.usp.br/teses/disponiveis/10/10136/tde-20042012-082830/ ;

29. Baladi, Marina Gazzano. Estudo da vascularização em mandíbulas de pacientes idosos edêntulos e dentados por meio da ultrassonografia modo B e Doppler.

Degree: PhD, Diagnóstico Bucal, 2014, University of São Paulo

URL: http://www.teses.usp.br/teses/disponiveis/23/23139/tde-18032015-172627/ ;

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Estudo elaborado para a investigação hemodinâmica das artérias alveolar inferior e mentual, relacionada com pacientes idosos edêntulos (totais e parciais) e dentados (com a presença… (more)

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Estudo elaborado para a investigação hemodinâmica das artérias alveolar inferior e mentual, relacionada com pacientes idosos edêntulos (totais e parciais) e dentados (com a presença do primeiro molar inferior bilateral), insento de doença oral e sistêmica, por meio da ultrassonografia modo B e Doppler, como forma de exame complementar. Por tratar-se de um método de diagnóstico preciso e confiável de visualização por meio de imagens, em tempo real, prontamente disponível, não invasivo, relativamente de baixo custo, inócuo, é uma importante ferramenta na avaliação de possíveis alterações da vascularização de diversos segmentos corpóreos, influenciando nas decisões clínicas, aumentando a precisão do diagnóstico complementar. Com o emprego do transdutor linear e endocavitário, de maneira intraoral, em 30 pacientes especificados acima, sendo 15 de cada grupo, foi mensurado as seguintes variáveis: IRV (índice de resistência vascular) o qual não sofreu efeitos de interação com lado (D e E), grupos (edêntulos totais e dentados) e artérias (AAI e AM), porém o ID (índice do diâmetro) e o VPS (velocidade de pico sistólico) apresentaram uma forte relação, isto significou que quando o valor de VPS aumentava no vaso estudado, o ID diminuía, ou seja a VPS e o ID se compensavam para manter a hemodinâmica constante, independentemente do lado (D e E) e do grupo (edêntulos e dentados), variando somente de artéria para artéria (AAI e AM).

Study prepared for the inferior alveolar artery hemodynamic investigation and mentual, related to edentulous and dentate elderly oral pathology free through ultrasonography and Doppler mode B, as a form of additional examination, because it is an accurate and reliable method of real time preview, readily available, non-invasive, relatively low-cost, innocuous, making it an important tool in the evaluation of possible changes in vascularity of various body segments corporalsínfluencing clinical decisions by increasing the accuracy of diagnosis. With the use of linear array transducer and endocavity, of 30 patients specified above, being 15 from each group, in a way, intraoral were measured the following variables: VRI (vascular resistance index) which did not suffer the effects of interaction with side (R and L), groups (toothed and edentulous) and arteries (AAI and AM), however the ID (index of the diameter) and PSV (peak systolic velocity) showed a strong relationship, this meant that when the PSV value increased in the studied vessel, the ID decreased, i.e. the PSV and the ID they were compensating for to maintain constant hemodynamic, regardless of the side (R and L) and group (edentulous and serrated), varying only the artery to artery (AAI and AM).

Advisors/Committee Members: Freitas, Claudio Froes de.

Subjects/Keywords: Doppler; Doppler; Hemodinâmica; Hemodynamics; Jaw; Mandíbula; Ultrasonography; Ultrassonografia

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Baladi, M. G. (2014). Estudo da vascularização em mandíbulas de pacientes idosos edêntulos e dentados por meio da ultrassonografia modo B e Doppler. (Doctoral Dissertation). University of São Paulo. Retrieved from http://www.teses.usp.br/teses/disponiveis/23/23139/tde-18032015-172627/ ;

Chicago Manual of Style (16^th Edition):

Baladi, Marina Gazzano. “Estudo da vascularização em mandíbulas de pacientes idosos edêntulos e dentados por meio da ultrassonografia modo B e Doppler.” 2014. Doctoral Dissertation, University of São Paulo. Accessed December 05, 2019. http://www.teses.usp.br/teses/disponiveis/23/23139/tde-18032015-172627/ ;.

MLA Handbook (7^th Edition):

Baladi, Marina Gazzano. “Estudo da vascularização em mandíbulas de pacientes idosos edêntulos e dentados por meio da ultrassonografia modo B e Doppler.” 2014. Web. 05 Dec 2019.

Vancouver:

Baladi MG. Estudo da vascularização em mandíbulas de pacientes idosos edêntulos e dentados por meio da ultrassonografia modo B e Doppler. [Internet] [Doctoral dissertation]. University of São Paulo; 2014. [cited 2019 Dec 05]. Available from: http://www.teses.usp.br/teses/disponiveis/23/23139/tde-18032015-172627/ ;.

Council of Science Editors:

Baladi MG. Estudo da vascularização em mandíbulas de pacientes idosos edêntulos e dentados por meio da ultrassonografia modo B e Doppler. [Doctoral Dissertation]. University of São Paulo; 2014. Available from: http://www.teses.usp.br/teses/disponiveis/23/23139/tde-18032015-172627/ ;

30. Baladi, Marina Gazzano. Simulação da vascularização através da cortical óssea de mandíbulas suínas por meio da ultrassonografia modo B e Doppler.

Degree: Mestrado, Diagnóstico Bucal, 2011, University of São Paulo

URL: http://www.teses.usp.br/teses/disponiveis/23/23139/tde-04042013-153551/ ;

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A ultrassonografia é um método de diagnóstico que aproveita o eco produzido pelo som para ver, em tempo real, as sombras produzidas pelas estruturas e… (more)

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A ultrassonografia é um método de diagnóstico que aproveita o eco produzido pelo som para ver, em tempo real, as sombras produzidas pelas estruturas e órgãos. Os aparelhos de ultrassom em geral utilizam uma frequência próxima de 1MHz. A ultrassonografia permite ainda, pelo modo Doppler, conhecer o sentido e a velocidade de fluxos sanguíneos. Por não utilizar radiação, ionizante, é um método inócuo e barato. A avaliação da circulação nos tecidos corpóreos pode indicar o tipo de lesão ou, nos casos de cirurgia, mostrar a posição de artérias presentes na região. Neste trabalho foi de finalidade apresentar a espessura óssea ideal para a captação do sinal Doppler, utilizando uma amostra de 10 mandíbulas suínas maceradas, avaliando-se a região dos terceiros molares (de ambos os lados, direito e esquerdo, totalizando 20 hemimandíbulas). As mandíbulas suínas foram preparadas para receber e adaptar tubos de CFlex conectados a um capilar de vidro e a uma bomba propulsora, por onde passava o líquido, simulando a vascularização sanguínea. Foram tomadas diferentes medidas de espessura óssea, sendo possível, em algumas hemimandíbulas, captarmos sinais. Na dependência da espessura da cortical óssea, que em nosso trabalho estudamos no intervalo de 0,2 a 1,0mm, possibilitou-se a captação de sinais, no modo B e Doppler, referentes ao simulador da vascularização. A ultrassonografia é um recurso imaginológico com aplicabilidade cada vez maior na área da Saúde, em particular no estudo da vascularização intraóssea.

Ultrasound is an image diagnostic method that takes advantage of the echo produced by sound to see in real time, the shadows produced by the structures and organs. Ultrasound machines typically use a frequency of about 1MHz. The ultrasound also enables, by the Doppler mode, to read the direction and velocity of blood flow. As we do not use radiation, ionizing radiation, it is a harmless and inexpensive method. The evaluation of the circulation in body tissues may indicate the type of injury, or in cases of surgery, it shows the position of the arteries in the region. This study aimed to present the ideal bone thickness to capture the Doppler signal using a sample of 10 macerated pig jaws, assessing the region of the third molars (on both sides, right and left, totaling 20 hemijwas). The pig jaws were prepared to accept and adapt CFlex tubes connected to a glass capillary and a pump, through which liquid flowed, simulating the blood vasculature. Different measures of bone thickness, were taken and in some hemijaws signals were possible to be taken. Depending on the thickness of cortical bone, which in our work we have studied in the range 0,2 to 1,0 mm, made it possible to capture signals in B mode and Doppler simulator for the vasculature. Ultrasound is a resource imaginologic increasing applicability in healthcare, particularly in the study of intraosseous vascularity.

Advisors/Committee Members: Freitas, Claudio Froes de.

Subjects/Keywords: Artery; Doppler; Doppler; Image; Imagem; Simulação; Simulation; Ultrasound; Ultrassom; Vascularização

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Baladi, M. G. (2011). Simulação da vascularização através da cortical óssea de mandíbulas suínas por meio da ultrassonografia modo B e Doppler. (Masters Thesis). University of São Paulo. Retrieved from http://www.teses.usp.br/teses/disponiveis/23/23139/tde-04042013-153551/ ;

Chicago Manual of Style (16^th Edition):

Baladi, Marina Gazzano. “Simulação da vascularização através da cortical óssea de mandíbulas suínas por meio da ultrassonografia modo B e Doppler.” 2011. Masters Thesis, University of São Paulo. Accessed December 05, 2019. http://www.teses.usp.br/teses/disponiveis/23/23139/tde-04042013-153551/ ;.

MLA Handbook (7^th Edition):

Baladi, Marina Gazzano. “Simulação da vascularização através da cortical óssea de mandíbulas suínas por meio da ultrassonografia modo B e Doppler.” 2011. Web. 05 Dec 2019.

Vancouver:

Baladi MG. Simulação da vascularização através da cortical óssea de mandíbulas suínas por meio da ultrassonografia modo B e Doppler. [Internet] [Masters thesis]. University of São Paulo; 2011. [cited 2019 Dec 05]. Available from: http://www.teses.usp.br/teses/disponiveis/23/23139/tde-04042013-153551/ ;.

Council of Science Editors:

Baladi MG. Simulação da vascularização através da cortical óssea de mandíbulas suínas por meio da ultrassonografia modo B e Doppler. [Masters Thesis]. University of São Paulo; 2011. Available from: http://www.teses.usp.br/teses/disponiveis/23/23139/tde-04042013-153551/ ;

Open Access Theses and Dissertations