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Mississippi State University
1.
Ismonov, Shakhrukh.
ANALYSIS OF FATIGUE CRACK GROWTH AND RESIDUAL STRESS.
Degree: PhD, Mechanical Engineering, 2011, Mississippi State University
URL: http://sun.library.msstate.edu/ETD-db/theses/available/etd-03242011-191722/ 
;
► <p class=Basictextdouble-spaced><span style='mso-fareast-font-family:Calibri'>The first part of this dissertation employs a three-dimensional elastic-plastic finite element model of straight-through crack growth to correlate four well-known methodologies characterizing…
(more)
▼ <p class=Basictextdouble-spaced><span style='mso-fareast-font-family:Calibri'>The
first part of this dissertation employs a three-dimensional elastic-plastic finite
element model of straight-through crack growth to correlate four well-known methodologies
characterizing fatigue crack closure. </span>The compliance offset and the adjusted
compliance ratio (ACR) are experimental methods, whereas the node displacement
and the contact stress methods are numerical approaches. Evolutions of crack closure
from all four methodologies are compared for a numerical model of a single
edge-cracked tension specimen subjected to different levels of constant
amplitude cyclic loading.
<p class=Basictextdouble-spaced>In the second part, a detailed two dimensional
stress analysis is conducted for a single pin-joint under plane stress
conditions. This study investigates the influence of material nonlinearity,
friction, and pre-existing residual stresses from cold-
working process on the
local radial and hoop stress levels around the pin-loaded hole.
<p class=Basictextdouble-spaced>Next, the beneficial influence of cold
working
process is quantified by computing the Mode I stress intensity factors <i
style='mso-bidi-font-style:normal'>K
I</i> for a single radial crack
emanating from a side of a loaded hole. Two different loading configurations are
considered: (a) an open hole in tension, (b) a pin-loaded hole. The stress
intensity factors are computed using the <i style='mso-bidi-font-style:normal'>J</i>
integral solutions and the weight functions specific to the crack
configuration. The reductions in <i style='mso-bidi-font-style:normal'>K
I</i>
values due to different levels of cold-
working process are presented for a
range of crack lengths.
<p class=Basictextdouble-spaced>The final part of the research involves a
numerical investigation of an on-line crack compliance
technique that is used for
experimental measurements of residual stress fields along the crack growth path.
A finite rectangular sheet is considered with a single crack emanating from a
side of a central hole. The residual stress field is introduced around the hole
by cold-
working simulation. As part of validation, t<span style='mso-bidi-font-weight:
bold'>he normalized residual stress intensity factors computed using the
on-line crack compliance
technique are compared with those from the <i
style='mso-bidi-font-style:normal'>J</i>-integral approach for the case of elastic
crack growth. The influence of crack tip plasticity on the performance of the on-line
crack compliance
technique is studied by comparing the solutions of the elastic
and elastic-plastic crack growth models.</span>
Advisors/Committee Members: Steve R. Daniewicz (committee member), James C. Newman Jr. (committee member), Mohamad S. Qatu (committee member), Oliver J. Myers (committee member).
Subjects/Keywords: crack growth; crack closure; residual stress; on-line crack compliance technique; cold working
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APA (6th Edition):
Ismonov, S. (2011). ANALYSIS OF FATIGUE CRACK GROWTH AND RESIDUAL STRESS. (Doctoral Dissertation). Mississippi State University. Retrieved from http://sun.library.msstate.edu/ETD-db/theses/available/etd-03242011-191722/ ;
Chicago Manual of Style (16th Edition):
Ismonov, Shakhrukh. “ANALYSIS OF FATIGUE CRACK GROWTH AND RESIDUAL STRESS.” 2011. Doctoral Dissertation, Mississippi State University. Accessed January 19, 2021.
http://sun.library.msstate.edu/ETD-db/theses/available/etd-03242011-191722/ ;.
MLA Handbook (7th Edition):
Ismonov, Shakhrukh. “ANALYSIS OF FATIGUE CRACK GROWTH AND RESIDUAL STRESS.” 2011. Web. 19 Jan 2021.
Vancouver:
Ismonov S. ANALYSIS OF FATIGUE CRACK GROWTH AND RESIDUAL STRESS. [Internet] [Doctoral dissertation]. Mississippi State University; 2011. [cited 2021 Jan 19].
Available from: http://sun.library.msstate.edu/ETD-db/theses/available/etd-03242011-191722/ ;.
Council of Science Editors:
Ismonov S. ANALYSIS OF FATIGUE CRACK GROWTH AND RESIDUAL STRESS. [Doctoral Dissertation]. Mississippi State University; 2011. Available from: http://sun.library.msstate.edu/ETD-db/theses/available/etd-03242011-191722/ ;
2.
Rosini, Philippe.
Temporaires en permanence : Une ethnologie du travail intérimaire "non-qualifié" : Continually temp's : Ethnology of temporary workers.
Degree: Docteur es, Anthropologie, 2014, Aix Marseille Université
URL: http://www.theses.fr/2014AIXM3009
► L'intérim est un mode d'utilisation de la force de travail qui offre aux entreprises des facilités d'embauche et de révocation de la main d'oeuvre. Cette…
(more)
▼ L'intérim est un mode d'utilisation de la force de travail qui offre aux entreprises des facilités d'embauche et de révocation de la main d'oeuvre. Cette thèse rend compte de la condition sociale des intérimaires « non-qualifiés ». La réflexion se situe dans le champ de l'ethnologie du travail et des techniques. L'enquête s'est déroulée sur plusieurs années à partir d'une immersion au sein de différentes entreprises du Sud-est de la France (Grasse, 06). Une attention particulière est portée aux techniques, aux savoir-faire et à leur transmission, ainsi qu'aux outils et aux connaissances plus ou moins lacunaires mis à disposition des intérimaires par les entreprises utilisatrices. Les parcours que ces salariés empruntent au sein des unités de production, de leur mise à l'écart jusqu'à leur inclusion dans les collectifs de travail, sont examinés. Toutes ces dimensions sont traversées et orientées par le caractère temporaire du régime d'embauche. Chaque fois qu'une mission s'achève et qu'une autre débute, les intérimaires doivent nouer d'autres relations, se forger d'autres habitudes et mettre en oeuvre de nouvelles techniques, toutes aussi temporaires et incertaines, perdant ainsi l'esquisse des automatismes à peine intégrés. Il apparaît également que la mobilisation productive et subjective des intérimaires dépend de la durée potentielle de leurs contrats. Cette vulnérabilité contractuelle a divers effets en fonction des aspirations de chaque salarié et des usages que chacun fait de l'intérim. Lorsque la maîtrise de l'emploi du temps comme celle de l'avenir font défaut, c'est l'insertion sociale tout entière qui s'en trouve affectée.
Temporary work is a way of using the workforce which allows companies to hire and repeal the labour with ease. This thesis reports the social condition of the "unskilled" temporary workers. The ethnological investigation took place over several years through a participative observation, as a temporary worker, within various companies. The reflection belongs to the field of the ethnology of work. The analysis is based on the examination of the working conditions, by paying a particular attention on techniques, by questioning the know-how and their transmission, as well as by observing tools and the more or less incomplete knowledge given to temporary workers by the user companies. This thesis also describes the paths they can follow in the production units; from their sidelining to their inclusion in the work collectives. All these dimensions are crossed and directed by the temporary nature of this type of hiring. Every time a mission ends and every time another one begins, temporary employees have to build other relationships, find other habits and operate new techniques, just as temporary and uncertain, thus losing recent barely integrated automatisms. The specific know-how and the practical adaptations which they develop in front of this situation of indecision are examined in this thesis. It also seems that the productive and subjective mobilization of the temporary workers depends…
Advisors/Committee Members: Jeanjean, Agnès (thesis director).
Subjects/Keywords: Ethnologie; Intérim; Conditions de travail; Insécurité temporelle; Savoir-Faire technique.; Ethnology; Temporary work; Working conditions; Temporal insecurity; Technical know-How.
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APA (6th Edition):
Rosini, P. (2014). Temporaires en permanence : Une ethnologie du travail intérimaire "non-qualifié" : Continually temp's : Ethnology of temporary workers. (Doctoral Dissertation). Aix Marseille Université. Retrieved from http://www.theses.fr/2014AIXM3009
Chicago Manual of Style (16th Edition):
Rosini, Philippe. “Temporaires en permanence : Une ethnologie du travail intérimaire "non-qualifié" : Continually temp's : Ethnology of temporary workers.” 2014. Doctoral Dissertation, Aix Marseille Université. Accessed January 19, 2021.
http://www.theses.fr/2014AIXM3009.
MLA Handbook (7th Edition):
Rosini, Philippe. “Temporaires en permanence : Une ethnologie du travail intérimaire "non-qualifié" : Continually temp's : Ethnology of temporary workers.” 2014. Web. 19 Jan 2021.
Vancouver:
Rosini P. Temporaires en permanence : Une ethnologie du travail intérimaire "non-qualifié" : Continually temp's : Ethnology of temporary workers. [Internet] [Doctoral dissertation]. Aix Marseille Université 2014. [cited 2021 Jan 19].
Available from: http://www.theses.fr/2014AIXM3009.
Council of Science Editors:
Rosini P. Temporaires en permanence : Une ethnologie du travail intérimaire "non-qualifié" : Continually temp's : Ethnology of temporary workers. [Doctoral Dissertation]. Aix Marseille Université 2014. Available from: http://www.theses.fr/2014AIXM3009
University of Gothenburg / Göteborgs Universitet
3.
Lindegård Andersson, Agneta.
Working technique during computer work Associations with biomechanical and psychological strain, neck and upper extremity musculoskeletal symptoms.
Degree: 2007, University of Gothenburg / Göteborgs Universitet
URL: http://hdl.handle.net/2077/3195
;
http://dx.doi.org/10.1080/0014013031000071360
;
http://dx.doi.org/10.1007/s00420-003-0454-5
;
http://dx.doi.org/10.1016/j.apergo.2004.12.004
► About 35 % of the working population in Sweden report that computer use accounts for 50% or more of their total working hours. Among this…
(more)
▼ About 35 % of the working population in Sweden report that computer use accounts for 50% or more of their total working hours. Among this population approximately 40% of the women and 25% of the men experienced symptoms in the neck and/or upper extremities at least once a week during the preceding 3 month. The overall aim of the studies underlying this thesis was to explore possible associations between working technique and perceived exertion, comfort, biomechanical and psychosocial strain as well as neck and upper extremity symptoms among computer users. Specific research questions addressed were a) Whether working technique was associated with muscle activity, wrist positions and forces applied to the computer mouse, respectively? b) Whether working technique was associated with psychological demands, emotional stress and perceived muscle tension, respectively? c) Whether there were associations between self-rated perceived comfort and observations of workplace layout and between self-rated perceived exertion and working postures. d) Whether working technique perceived exertion and comfort was associated with neck and upper extremity symptoms. The results showed that subjects classified as having a good working technique worked with less muscular load in the forearm (p=0.03) and in the trapezius muscle on the mouse operating side (p=0.02) compared to subjects classified as having a poor working technique. Subjects who reported high psychological demands and perceived muscular tension, respectively, used poorer working technique than subjects who did not perceive this conditions (demands, p=0.03, muscular tension, p=0.02). Moreover, the concordance between ratings of comfort and observations of workplace layout was reasonably good concerning the working chair and the keyboard and good regarding the computer screen and the input device. The concordance between ratings of perceived exertion and observations of working postures indicated good agreement for all measured body locations. This applies to the group that rated poor comfort and high exertion. Regarding the group that rated good comfort and low exertion ratings must be supplemented with observations. Furthermore, the results revealed that high perceived exertion and low comfort were related to an increased incidence of neck, and upper extremity symptoms, while poor working technique was not associated with such a risk. It is concluded that working technique is associated with both biomechanical and psychological strain while no associations could be seen between working technique and the incidence of neck and upper extremity symptoms. Furthermore, high perceived exertion and low comfort are associated with a higher incidence of neck and upper extremity symptoms.
Subjects/Keywords: Working technique; Computer users; Perceived exertion; Observation assessments
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APA ·
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Manager
APA (6th Edition):
Lindegård Andersson, A. (2007). Working technique during computer work Associations with biomechanical and psychological strain, neck and upper extremity musculoskeletal symptoms. (Thesis). University of Gothenburg / Göteborgs Universitet. Retrieved from http://hdl.handle.net/2077/3195 ; http://dx.doi.org/10.1080/0014013031000071360 ; http://dx.doi.org/10.1007/s00420-003-0454-5 ; http://dx.doi.org/10.1016/j.apergo.2004.12.004
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Lindegård Andersson, Agneta. “Working technique during computer work Associations with biomechanical and psychological strain, neck and upper extremity musculoskeletal symptoms.” 2007. Thesis, University of Gothenburg / Göteborgs Universitet. Accessed January 19, 2021.
http://hdl.handle.net/2077/3195 ; http://dx.doi.org/10.1080/0014013031000071360 ; http://dx.doi.org/10.1007/s00420-003-0454-5 ; http://dx.doi.org/10.1016/j.apergo.2004.12.004.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Lindegård Andersson, Agneta. “Working technique during computer work Associations with biomechanical and psychological strain, neck and upper extremity musculoskeletal symptoms.” 2007. Web. 19 Jan 2021.
Vancouver:
Lindegård Andersson A. Working technique during computer work Associations with biomechanical and psychological strain, neck and upper extremity musculoskeletal symptoms. [Internet] [Thesis]. University of Gothenburg / Göteborgs Universitet; 2007. [cited 2021 Jan 19].
Available from: http://hdl.handle.net/2077/3195 ; http://dx.doi.org/10.1080/0014013031000071360 ; http://dx.doi.org/10.1007/s00420-003-0454-5 ; http://dx.doi.org/10.1016/j.apergo.2004.12.004.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Lindegård Andersson A. Working technique during computer work Associations with biomechanical and psychological strain, neck and upper extremity musculoskeletal symptoms. [Thesis]. University of Gothenburg / Göteborgs Universitet; 2007. Available from: http://hdl.handle.net/2077/3195 ; http://dx.doi.org/10.1080/0014013031000071360 ; http://dx.doi.org/10.1007/s00420-003-0454-5 ; http://dx.doi.org/10.1016/j.apergo.2004.12.004
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
University of Gothenburg / Göteborgs Universitet
4.
Lindegård Andersson, Agneta.
Working technique during computerwork. Associations with biomechanical and psychological strain, neck and upper extremity musculoskeletal symptoms.
Degree: 2007, University of Gothenburg / Göteborgs Universitet
URL: http://hdl.handle.net/2077/7508
► Lindegård Andersson A (2007) Working technique during computer work. Associations with biomechanical and psychosocial strain and neck and upper extremity symptoms. Arbete och Hälsa 2007;41:1…
(more)
▼ Lindegård Andersson A (2007) Working technique during computer work. Associations with biomechanical and psychosocial strain and neck and upper extremity symptoms. Arbete och Hälsa 2007;41:1
About 35 % of the working population in Sweden report that computer use accounts for 50% or more of their total working hours. Among employees who work with computers for more than half the working day approximately 40 % of the women and 25 % of the men experience symptoms in the neck and upper extremities at least once a week during the preceding 3 month. The overall aim of the studies underlying this thesis was to explore possible associations between working technique, perceived exertion, comfort, physical and psychosocial strains, and symptoms of the neck and upper extremities among computer users. Specific research questions addressed were:
a) Whether working technique was associated with muscle activity, wrist positions and forces applied to the computer mouse, respectively?
b) Whether working technique was associated with psychological demands, emotional stress and perceived muscle tension, respectively?
c) Whether there were associations between self-rated perceived exertion and observations of working postures, and between self-rated comfort and observations of workplace layout.
d) Whether working technique, perceived exertion and comfort, respectively, were associated with neck and upper extremity symptoms/disorders.
Results showed that that subjects classified as having a good working technique worked with less muscular load in the forearm (p=0.03) and in the trapezius muscle (p=0.02) on the mouse operating side compared to subjects classified as having a poor working technique. Subjects who reported high levels of emotional stress worked more often with lifted shoulders compared to subjects who did not report stressful conditions. Subjects who reported high psychological demands and perceived muscular tension, respectively, used poorer working technique than subjects who did not perceive these conditions (demands, p=0.03, muscular tension, p=0.02). Moreover, the concordance between ratings of comfort and observations of workplace layout was reasonably good concerning the working chair and the keyboard and good regarding the computer screen and the input device. The concordance between ratings of perceived exertion and observations of working postures the results indicated good agreement for all measured body locations. This applies to the group that rated poor comfort and high exertion. Regarding the group with good comfort and low exertion ratings must be supplemented with observation assessment. Furthermore, that high perceived exertion and low comfort were related to an increased incidence of neck, and upper extremity symptoms while poor working technique was not associated with such a risk.
It is concluded that working technique is associated with both biomechanical strain (muscular load and wrist positions) and psychological strain (emotional stress and psychological demands), while no associations could be…
Subjects/Keywords: working technique; computer users; observation assessments; perceived exertion
Record Details
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Record Details
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« Share
❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Lindegård Andersson, A. (2007). Working technique during computerwork. Associations with biomechanical and psychological strain, neck and upper extremity musculoskeletal symptoms. (Thesis). University of Gothenburg / Göteborgs Universitet. Retrieved from http://hdl.handle.net/2077/7508
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Lindegård Andersson, Agneta. “Working technique during computerwork. Associations with biomechanical and psychological strain, neck and upper extremity musculoskeletal symptoms.” 2007. Thesis, University of Gothenburg / Göteborgs Universitet. Accessed January 19, 2021.
http://hdl.handle.net/2077/7508.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Lindegård Andersson, Agneta. “Working technique during computerwork. Associations with biomechanical and psychological strain, neck and upper extremity musculoskeletal symptoms.” 2007. Web. 19 Jan 2021.
Vancouver:
Lindegård Andersson A. Working technique during computerwork. Associations with biomechanical and psychological strain, neck and upper extremity musculoskeletal symptoms. [Internet] [Thesis]. University of Gothenburg / Göteborgs Universitet; 2007. [cited 2021 Jan 19].
Available from: http://hdl.handle.net/2077/7508.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Lindegård Andersson A. Working technique during computerwork. Associations with biomechanical and psychological strain, neck and upper extremity musculoskeletal symptoms. [Thesis]. University of Gothenburg / Göteborgs Universitet; 2007. Available from: http://hdl.handle.net/2077/7508
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
5.
Jégat, Sylvaine.
L'expertise et le comité d'entreprise : mise en perspective : A perspective on expertise and the works council.
Degree: Docteur es, Droit privé et sciences criminelles, 2017, Université Paris X – Nanterre
URL: http://www.theses.fr/2017PA100134
► Face à la complexité du monde de l’entreprise, le recours à l’expertise s’avère être indispensable afin de permettre au comité d’entreprise d’exercer pleinement ses attributions,…
(more)
▼ Face à la complexité du monde de l’entreprise, le recours à l’expertise s’avère être indispensable afin de permettre au comité d’entreprise d’exercer pleinement ses attributions, et, in fine, de contribuer à l’application du principe de participation des travailleurs. Une approche plus réaliste de l’expertise permet d’établir que le comité d’entreprise a à sa disposition deux types d’experts : les experts institutionnels (l’expert-comptable, l’expert technique, l’expert libre et l’expert économique) et les experts non institutionnels (certaines commissions du comité d’entreprise et le comité d’hygiène, de sécurité et des conditions de travail). Les liens que le comité d’entreprise et les experts entretiennent oscillent entre vision traditionnelle et vision renouvelée. De façon tout à fait traditionnelle, ces deux types d’experts accomplissent, de façon inégale, une mission d’éclaireur pour le comité d’entreprise en lui apportant de l’information mais également en la traitant lorsque cela est nécessaire. De façon plus singulière, il apparaît que les experts interviennent également dans le processus de décision, mais également dans le processus de concertation. Au-delà du rôle que les experts peuvent jouer auprès du comité d’entreprise, les liens qu’ils entretiennent avec le comité révèlent l’existence de deux sortes de dynamique sous-jacentes : une dynamique relationnelle entre les différentes parties prenantes à l’expertise, marquée par un subtil équilibre entre dépendance et indépendance des uns envers les autres, et une dynamique collective qui témoigne de l’existence d’une expertise collective constituant un système d’intelligence collective nécessaire à l’effectivité du principe de participation des travailleurs.
Given the complexity of the business environment, resorting to expertise proves to be essential for the works council to fully exercise its powers and ultimately for the council to contribute to the application of the employee involvement principle. A more realistic approach to expertise enables us to establish that the works council has two types of experts at its disposal: institutional experts (chartered accountants, technical experts, expert consultants and economic experts) and non-institutional experts (some of the works council commissions and the Health, Safety and Working Conditions Committee (CHSCT)). The relations between the works council and experts oscillate between a traditional perspective and an updated perspective. In a very traditional fashion, these two types of experts unevenly act as pathfinders for the works council. They provide the council with information but also process this information when it is necessary. More strangely, however, experts also appear to be involved in the decision-making process as well as in the process of consultation. Beyond the tasks that experts can perform for the works council, two kinds of underlying dynamic can be evidenced by the relations between the experts and the council: a relational dynamic between the various players involved in the…
Advisors/Committee Members: Lokiec, Pascal (thesis director).
Subjects/Keywords: Comité d'entreprise; Comité d'hygiène, de sécurité et des conditions de travail; Commissions du comité d'entreprise; Expert-comptable; Expert technique; Expert libre; Works council; Health, safety, and Working conditions committee; Corks council commissions; Chartered accountant; Technical expert; Expert consultant
Record Details
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Record Details
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Jégat, S. (2017). L'expertise et le comité d'entreprise : mise en perspective : A perspective on expertise and the works council. (Doctoral Dissertation). Université Paris X – Nanterre. Retrieved from http://www.theses.fr/2017PA100134
Chicago Manual of Style (16th Edition):
Jégat, Sylvaine. “L'expertise et le comité d'entreprise : mise en perspective : A perspective on expertise and the works council.” 2017. Doctoral Dissertation, Université Paris X – Nanterre. Accessed January 19, 2021.
http://www.theses.fr/2017PA100134.
MLA Handbook (7th Edition):
Jégat, Sylvaine. “L'expertise et le comité d'entreprise : mise en perspective : A perspective on expertise and the works council.” 2017. Web. 19 Jan 2021.
Vancouver:
Jégat S. L'expertise et le comité d'entreprise : mise en perspective : A perspective on expertise and the works council. [Internet] [Doctoral dissertation]. Université Paris X – Nanterre; 2017. [cited 2021 Jan 19].
Available from: http://www.theses.fr/2017PA100134.
Council of Science Editors:
Jégat S. L'expertise et le comité d'entreprise : mise en perspective : A perspective on expertise and the works council. [Doctoral Dissertation]. Université Paris X – Nanterre; 2017. Available from: http://www.theses.fr/2017PA100134
6.
Majerič, Patricija.
Uporaba delovnih gradiv pri pouku spoznavanja okolja v 3. razredu osnovne šole v neposredni praksi znotraj ptujskega šolskega okolja.
Degree: 2016, Univerza v Mariboru
URL: https://dk.um.si/IzpisGradiva.php?id=64637
;
https://dk.um.si/Dokument.php?id=108223&dn=
;
https://plus.si.cobiss.net/opac7/bib/22841864?lang=sl
► Magistrsko delo z naslovom Uporaba delovnih gradiv pri pouku spoznavanja okolja v 3. razredu osnovne šole v neposredni praksi znotraj ptujskega šolskega okolja je sestavljeno…
(more)
▼ Magistrsko delo z naslovom Uporaba delovnih gradiv pri pouku spoznavanja okolja v 3. razredu osnovne šole v neposredni praksi znotraj ptujskega šolskega okolja je sestavljeno iz teoretičnega in empiričnega dela. V teoretičnem delu smo predstavili Piagetovo kognitivno razvojno teorijo, osnovne značilnosti poučevanja tehnike in tehnologije v osnovni šoli, učni načrt spoznavanja okolja ter učbeniške komplete za spoznavanje okolja z vidika tehnike in tehnologije, različne vrste gradiv in osnovne šole, ki so sodelovale v sklopu empiričnega dela. V empiričnem delu smo s pomočjo deskriptivne in kavzalno-neeksperimentalne metode pedagoškega raziskovanja ugotavljali razlike v uporabi delovnih gradiv, in sicer na neslučajnostnem vzorcu učencev in učiteljev 3. razredov osnovnih šol v ptujskem šolskem okolju. Ugotavljali smo, ali učitelji pri obravnavi tehničnih vsebin upoštevajo učni načrt in njegove smernice, ali učitelji načrtujejo izključno izdelke, ki jih predlagajo posamezni učbeniški kompleti, in katera delovna gradiva se pri pouku uporabljajo najpogosteje glede na lokacijo šole, delovno dobo učitelja, izobrazbo učitelja ter naziv, ki ga je učitelj pridobil z napredovanjem. Podatke smo pridobili s pomočjo anketnega vprašalnika za učence in anketnega vprašalnika za učitelje. V raziskavi je sodelovalo 260 učencev in 13 učiteljev. Podatke smo računalniško obdelali s programom za statistično obdelavo podatkov SPSS. Ugotovili smo, da učitelji pri obravnavi tehničnih vsebin upoštevajo učni načrt in njegove smernice, učitelji ne načrtujejo izključno izdelkov, ki jih predlagajo učbeniški kompleti, ter da je najpogosteje uporabljeno delovno gradivo pri pouku spoznavanja okolja papir.
The Master’s thesis titled Use of working materials in the teaching process of environmental education in the 3rd grade of the primary school level in direct practice within the school environment of Ptuj consists of the theoretical and empirical part. In the theoretical part, we presented Piaget’s theory of cognitive development, basic characteristics of teaching technique and technology in primary school, the syllabus of environmental education and textbook sets for environmental education from the technique and technology perspective, different types of materials and primary school, which participated in terms of the empirical part. In the empirical part we identified differences in the use of working materials with the help of the descriptive and causal-non-experimental method of pedagogical research. The non-circumstantial sample consisted of third grade pupils and teachers of the primary level of education in the school environment of Ptuj. We analysed, if teachers consider the syllabus and its directions in teaching technical content, if teachers plan solely the products, suggested by individual textbook sets, and which working materials are used mostly in the classroom considering the location of the school, seniority of the teacher, education of the teacher and the title, which he acquired through promotion. We obtained the data with the…
Advisors/Committee Members: Fošnarič, Samo.
Subjects/Keywords: 3. razred osnovne šole; spoznavanje okolja; tehnika in tehnologija; delovna gradiva; ptujski šolski okoliš.; 3rd grade of primary school; environmental education; technique and technology; working material; the environmental environment of Ptuj.; info:eu-repo/classification/udc/37.091.64:5:6(497.4Ptuj)(043.2)
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APA (6th Edition):
Majerič, P. (2016). Uporaba delovnih gradiv pri pouku spoznavanja okolja v 3. razredu osnovne šole v neposredni praksi znotraj ptujskega šolskega okolja. (Masters Thesis). Univerza v Mariboru. Retrieved from https://dk.um.si/IzpisGradiva.php?id=64637 ; https://dk.um.si/Dokument.php?id=108223&dn= ; https://plus.si.cobiss.net/opac7/bib/22841864?lang=sl
Chicago Manual of Style (16th Edition):
Majerič, Patricija. “Uporaba delovnih gradiv pri pouku spoznavanja okolja v 3. razredu osnovne šole v neposredni praksi znotraj ptujskega šolskega okolja.” 2016. Masters Thesis, Univerza v Mariboru. Accessed January 19, 2021.
https://dk.um.si/IzpisGradiva.php?id=64637 ; https://dk.um.si/Dokument.php?id=108223&dn= ; https://plus.si.cobiss.net/opac7/bib/22841864?lang=sl.
MLA Handbook (7th Edition):
Majerič, Patricija. “Uporaba delovnih gradiv pri pouku spoznavanja okolja v 3. razredu osnovne šole v neposredni praksi znotraj ptujskega šolskega okolja.” 2016. Web. 19 Jan 2021.
Vancouver:
Majerič P. Uporaba delovnih gradiv pri pouku spoznavanja okolja v 3. razredu osnovne šole v neposredni praksi znotraj ptujskega šolskega okolja. [Internet] [Masters thesis]. Univerza v Mariboru; 2016. [cited 2021 Jan 19].
Available from: https://dk.um.si/IzpisGradiva.php?id=64637 ; https://dk.um.si/Dokument.php?id=108223&dn= ; https://plus.si.cobiss.net/opac7/bib/22841864?lang=sl.
Council of Science Editors:
Majerič P. Uporaba delovnih gradiv pri pouku spoznavanja okolja v 3. razredu osnovne šole v neposredni praksi znotraj ptujskega šolskega okolja. [Masters Thesis]. Univerza v Mariboru; 2016. Available from: https://dk.um.si/IzpisGradiva.php?id=64637 ; https://dk.um.si/Dokument.php?id=108223&dn= ; https://plus.si.cobiss.net/opac7/bib/22841864?lang=sl
University of Gothenburg / Göteborgs Universitet
7.
Wahlström, Jens 1972-.
Physical load, psychosocial and individual factors in visual display unit work.
Degree: 2003, University of Gothenburg / Göteborgs Universitet
URL: http://hdl.handle.net/2077/16049
► The overall aim of this thesis was to explore associations between physicalload, psychosocial and individual factors in visual display unit (VDU)work. Furthermore, the aim was…
(more)
▼ The overall aim of this thesis was to explore associations between physicalload, psychosocial and individual factors in visual display unit (VDU)work. Furthermore, the aim was to investigate whether perceived musculartension is a predictor of neck pain among VDU operators. The thesisis based upon five separate studies, two laboratory studies, two fieldstudies and one prospective cohort study.Several different methods were used to assess the physical load. Electromyography(EMG) was used to record muscle activity. Wrist postures andmovements were assessed by means of electrogoniometers. An instrumentedcomputer mouse was used to measure the forces applied to thecomputer mouse. Working technique was assessed with an observationprotocol. Perceived exertion, comfort, mental stress and perceivedmuscular tension were assessed with questionnaires.The results of this work are discussed in relation to a proposed model forVDU work and musculoskeletal symptoms. The first two studies (StudiesI and II) support an association between individual factors (workingtechnique and sex) and the physical load. In Study III we observed thatthe physical load increased as a result of mental stress and increasedproductivity. Besides an increase in muscle activity; increases in the forcesapplied to the computer mouse and increased repetitiveness of wristmovements were also observed. The results from the third study alsosupport an association between psychosocial factors and physical loadthrough increased physical demands. The fourth study (Study IV)supports an association between perceived muscular tension and physicalload and perceived muscular tension is hypothesized to be an early sign ofmusculoskeletal symptoms. In Study V an increased risk of developingneck pain was observed among subjects who perceived high musculartension, even when controlling for job strain, physical exposure and age.It is concluded that the physical load during VDU work is affected bypsychosocial and individual factors as well as physical demands. VDUusers who perceives muscular tension at least a few times per week appearto have an increased risk of developing neck pain.
Subjects/Keywords: computer work; musculoskeletal symptoms; working; technique; psychosocial factors; physical load; muscular tension; mental; stress
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APA ·
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APA (6th Edition):
Wahlström, J. 1. (2003). Physical load, psychosocial and individual factors in visual display unit work. (Thesis). University of Gothenburg / Göteborgs Universitet. Retrieved from http://hdl.handle.net/2077/16049
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Wahlström, Jens 1972-. “Physical load, psychosocial and individual factors in visual display unit work.” 2003. Thesis, University of Gothenburg / Göteborgs Universitet. Accessed January 19, 2021.
http://hdl.handle.net/2077/16049.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Wahlström, Jens 1972-. “Physical load, psychosocial and individual factors in visual display unit work.” 2003. Web. 19 Jan 2021.
Vancouver:
Wahlström J1. Physical load, psychosocial and individual factors in visual display unit work. [Internet] [Thesis]. University of Gothenburg / Göteborgs Universitet; 2003. [cited 2021 Jan 19].
Available from: http://hdl.handle.net/2077/16049.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Wahlström J1. Physical load, psychosocial and individual factors in visual display unit work. [Thesis]. University of Gothenburg / Göteborgs Universitet; 2003. Available from: http://hdl.handle.net/2077/16049
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
University of Gothenburg / Göteborgs Universitet
8.
Gustafsson, Ewa.
Physical exposure, musculoskeletal symptoms and attitudes related to ICT use.
Degree: 2009, University of Gothenburg / Göteborgs Universitet
URL: http://hdl.handle.net/2077/19646
► High prevalence of musculoskeletal symptoms/disorders in neck and upper extremities are reported among computer users. Considering the widespread use of information and communication technology (ICT)…
(more)
▼ High prevalence of musculoskeletal symptoms/disorders in neck and upper extremities are reported among computer users. Considering the widespread use of information and communication technology (ICT) and mobile phones becoming more and more like computers with small keyboards it is of importance to identify the factors and conditions related to this use, that influence our health. The overall aim of this thesis was to obtain new ergonomic knowledge of the physical exposure associated with the use of information and communication technology with emphasis on small keyboards, computer mice and young adult ICT users. In an interview study with young adult ICT users, where the data analysis was performed with the grounded theory method, was showed that the young adults experienced ICT as a tool for being and acting in the present, to be social, efficient and independent with almost unlimited opportunities but also risks. A comparative experimental study with experienced computer mouse users evaluated muscle activity with surface electromyography and wrist positions/movements with electrogoniometry during work with a
traditional flat computer mouse (pronated hand position) and a vertical computer mouse
(neutral hand position). Work with the vertical computer mouse decreased the muscle activity
in the extensor muscles in the forearm and in the first dorsal interossei muscle, and the ulnar
deviation in the wrist compared to the traditional mouse. An experimental study, with young adults with and without musculoskeletal symptoms from neck and/or upper extremities,
evaluated thumb positions/movements with electrogoniometry, muscle activity with surface electromyography, and working techniques with an observational protocol when text entering on a mobile phone. The young adults with symptoms had lower muscle activity in the abductor pollicis longus and tended to have higher velocity and fewer pauses in the thumb movements compared to those without symptoms. Females had higher muscle activity in the first dorsal interossei and the abductor pollicis longus compared to males. It was more common in the group with symptoms to sit with the head bent forward, to sit without forearm and back support and to enter text with one thumb rather than two compared to those without symptoms. Use of forearm support decreased the muscle activity in the trapezius muscles. Use of one hand grip increased the muscle activity in the extensor muscles in the forearm. High observed velocity in the thumb movements was associated with increased muscle activity in the extensor muscles in the forearm compared to low or moderate velocity.
In conclusion, this thesis shows that computer mouse design has an effect on the muscle activity in the forearm and hand, and on the wrist positions and movements. It also shows that the individual factors working technique and gender have an effect on muscle activity and thumb movements when entering text on a mobile phone. Furthermore, there were differences in working techniques, thumb movements, and muscle activity…
Subjects/Keywords: Input device; Wrist movements; Electrogoniometry; EMG; Muscle activity; Thumb movements; Working technique; Information and communication technology; Computer mouse; Mobile phone
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APA ·
Chicago ·
MLA ·
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CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Gustafsson, E. (2009). Physical exposure, musculoskeletal symptoms and attitudes related to ICT use. (Thesis). University of Gothenburg / Göteborgs Universitet. Retrieved from http://hdl.handle.net/2077/19646
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Gustafsson, Ewa. “Physical exposure, musculoskeletal symptoms and attitudes related to ICT use.” 2009. Thesis, University of Gothenburg / Göteborgs Universitet. Accessed January 19, 2021.
http://hdl.handle.net/2077/19646.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Gustafsson, Ewa. “Physical exposure, musculoskeletal symptoms and attitudes related to ICT use.” 2009. Web. 19 Jan 2021.
Vancouver:
Gustafsson E. Physical exposure, musculoskeletal symptoms and attitudes related to ICT use. [Internet] [Thesis]. University of Gothenburg / Göteborgs Universitet; 2009. [cited 2021 Jan 19].
Available from: http://hdl.handle.net/2077/19646.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Gustafsson E. Physical exposure, musculoskeletal symptoms and attitudes related to ICT use. [Thesis]. University of Gothenburg / Göteborgs Universitet; 2009. Available from: http://hdl.handle.net/2077/19646
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Université de Montréal
9.
Lafrenière, Isabelle.
Enseignement de la traduction technique anglais-français : portrait de la situation.
Degree: 2019, Université de Montréal
URL: http://hdl.handle.net/1866/22132
Subjects/Keywords: enseignement; traduction technique; mécanique; travail des métaux; approche orientée domaine; approche texte; teaching; technical translation; mechanics; metal working; subject matter approach; textual approach; Language - General / Langues - Généralités (UMI : 0679)
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APA ·
Chicago ·
MLA ·
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Export
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APA (6th Edition):
Lafrenière, I. (2019). Enseignement de la traduction technique anglais-français : portrait de la situation. (Thesis). Université de Montréal. Retrieved from http://hdl.handle.net/1866/22132
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Lafrenière, Isabelle. “Enseignement de la traduction technique anglais-français : portrait de la situation.” 2019. Thesis, Université de Montréal. Accessed January 19, 2021.
http://hdl.handle.net/1866/22132.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Lafrenière, Isabelle. “Enseignement de la traduction technique anglais-français : portrait de la situation.” 2019. Web. 19 Jan 2021.
Vancouver:
Lafrenière I. Enseignement de la traduction technique anglais-français : portrait de la situation. [Internet] [Thesis]. Université de Montréal; 2019. [cited 2021 Jan 19].
Available from: http://hdl.handle.net/1866/22132.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Lafrenière I. Enseignement de la traduction technique anglais-français : portrait de la situation. [Thesis]. Université de Montréal; 2019. Available from: http://hdl.handle.net/1866/22132
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
ETH Zürich
10.
Steinecke, Ernst-Christian.
Schlözers Schreibarbeit, oder: vom Alltag des Aufklärens: eine Praxisgeschichte historischen Wissens ca. 1750-1800.
Degree: 2015, ETH Zürich
URL: http://hdl.handle.net/20.500.11850/155173
Subjects/Keywords: TECHNIKEN DES WISSENSCHAFTLICHEN ARBEITENS; WISSENSCHAFTLICHES SCHREIBEN (ARBEITSTECHNIK); HOCHSCHULUNTERRICHT + HOCHSCHULDIDAKTIK (HOCHSCHULWESEN); GESCHICHTSWISSENSCHAFT; KULTURTOURISMUS + BILDUNGSREISEN (FREIZEITGESTALTUNG); Schlözer, August Ludwig von; WISSENSSOZIOLOGIE; WISSENSCHAFTSGESCHICHTE; GÖTTINGEN, STADT UND LANDKREIS (DEUTSCHLAND); ACHTZEHNTES JAHRHUNDERT N. CHR.; SCIENTIFIC WORKING TECHNIQUES; SCIENTIFIC WRITING (WORKING TECHNIQUE); UNIVERSITY TEACHING + UNIVERSITY DIDACTICS (HIGHER EDUCATION); SCIENCE OF HISTORY; CULTURAL TOURISM + EDUCATIONAL TRAVELS (LEISURE ACTIVITIES); SOCIOLOGY OF KNOWLEDGE; HISTORY OF SCIENCE; GÖTTINGEN, TOWN AND DISTRICT (GERMANY); EIGHTEENTH CENTURY A.D.; info:eu-repo/classification/ddc/900; info:eu-repo/classification/ddc/370; info:eu-repo/classification/ddc/000; History; Education; Generalities, science
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APA ·
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Export
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Manager
APA (6th Edition):
Steinecke, E. (2015). Schlözers Schreibarbeit, oder: vom Alltag des Aufklärens: eine Praxisgeschichte historischen Wissens ca. 1750-1800. (Doctoral Dissertation). ETH Zürich. Retrieved from http://hdl.handle.net/20.500.11850/155173
Chicago Manual of Style (16th Edition):
Steinecke, Ernst-Christian. “Schlözers Schreibarbeit, oder: vom Alltag des Aufklärens: eine Praxisgeschichte historischen Wissens ca. 1750-1800.” 2015. Doctoral Dissertation, ETH Zürich. Accessed January 19, 2021.
http://hdl.handle.net/20.500.11850/155173.
MLA Handbook (7th Edition):
Steinecke, Ernst-Christian. “Schlözers Schreibarbeit, oder: vom Alltag des Aufklärens: eine Praxisgeschichte historischen Wissens ca. 1750-1800.” 2015. Web. 19 Jan 2021.
Vancouver:
Steinecke E. Schlözers Schreibarbeit, oder: vom Alltag des Aufklärens: eine Praxisgeschichte historischen Wissens ca. 1750-1800. [Internet] [Doctoral dissertation]. ETH Zürich; 2015. [cited 2021 Jan 19].
Available from: http://hdl.handle.net/20.500.11850/155173.
Council of Science Editors:
Steinecke E. Schlözers Schreibarbeit, oder: vom Alltag des Aufklärens: eine Praxisgeschichte historischen Wissens ca. 1750-1800. [Doctoral Dissertation]. ETH Zürich; 2015. Available from: http://hdl.handle.net/20.500.11850/155173
. 
Open Access Theses and Dissertations