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You searched for subject:(Burn patterns). Showing records 1 – 2 of 2 total matches.

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Montana Tech

1. Williams, Amanda. The Analysis of Differential Burn Patterns in a Hanging Specimen Compared to a Specimen Positioned on the Floor.

Degree: MA, 2013, Montana Tech

Forensic anthropologists can analyze burn patterns on a victim’s body to infer the position of the body during a fire. The analysis of burn patterns in relation to position around time of death can potentially provide information to investigators about the events surrounding an individual’s death. This study seeks to examine the similarities and differences in the direction of burn patterns on a body that is hanging up compared to a body lying flat on the floor. Two deceased pigs were used as specimens in this study. The pigs were burned under identical conditions expect that one was hanging and the other was lying on the floor. This study found that there were differences in burn patterns between the two specimens. The specimen hanging up exhibited a black charring pattern that covered over 90 percent of the body. The floor specimen exhibited a different discoloration pattern, from tan, to dark brown, to a light grey color on the exposed surface. The surface lying against the floor exhibited little to no discoloration and exhibited an outline on the body that was reflective of its position lying against the floor. These findings are important because the floor specimen is consistent with what previous scholars have found in relation to the severity of burn patterns in individuals that have been positioned on the surface. The floor specimen experienced lower overall temperatures than did the hanging specimen positioned at midline and above. The Pairwise t- test showed that there were significant differences in temperature at different distances from the floor. Overall, these results show how bodies at different locations and positions can be affected differently by heat, flames, and oxygen, which affects the pattern of burns on a body. Overall, these findings are important because investigators could potentially use this information to determine if a body was originally placed in the position in which it was recovered.

Subjects/Keywords: Burn patterns; Forensic Anthropology; Forensic Taphonomy

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

APA (6th Edition):

Williams, A. (2013). The Analysis of Differential Burn Patterns in a Hanging Specimen Compared to a Specimen Positioned on the Floor. (Masters Thesis). Montana Tech. Retrieved from https://scholarworks.umt.edu/etd/961

Chicago Manual of Style (16th Edition):

Williams, Amanda. “The Analysis of Differential Burn Patterns in a Hanging Specimen Compared to a Specimen Positioned on the Floor.” 2013. Masters Thesis, Montana Tech. Accessed June 04, 2020. https://scholarworks.umt.edu/etd/961.

MLA Handbook (7th Edition):

Williams, Amanda. “The Analysis of Differential Burn Patterns in a Hanging Specimen Compared to a Specimen Positioned on the Floor.” 2013. Web. 04 Jun 2020.

Vancouver:

Williams A. The Analysis of Differential Burn Patterns in a Hanging Specimen Compared to a Specimen Positioned on the Floor. [Internet] [Masters thesis]. Montana Tech; 2013. [cited 2020 Jun 04]. Available from: https://scholarworks.umt.edu/etd/961.

Council of Science Editors:

Williams A. The Analysis of Differential Burn Patterns in a Hanging Specimen Compared to a Specimen Positioned on the Floor. [Masters Thesis]. Montana Tech; 2013. Available from: https://scholarworks.umt.edu/etd/961

2. Gao, Yong. A Degradation-based Burn-in Optimization for Light Display Devices with Two-phase Degradation Patterns considering Warranty Durations and Measurement Errors.

Degree: MS, Industrial and Systems Engineering (Engineering and Technology), 2017, Ohio University

This thesis proposes to plan a degradation-based burn-in test for light display devices with two-phase degradation patterns by using Bayesian approach. The main focus of the burn-in test concerned in this study is to eliminate the initial rapid degradation phase, and a hierarchical Bayesian bi-exponential model is proposed and applied to define the two-phase degradation patterns of the burn-in population. Measurement uncertainty is the main focus of the burn-in test. Measurement uncertainty is an important factor during degradation observation of the burn-in population. The expected degradation path cannot represent the same as the observed degradation path. Warranty duration can also affect the optimal burn decisions. Mission reliability and expected cost criterions are considered with the available pre-burn-in data of a plasma display panel (PDP) example. To make the optimal burn-in decision, a cost optimization (minimization) model is developed for this thesis. Advisors/Committee Members: Yuan, Tao (Advisor).

Subjects/Keywords: Industrial Engineering; burn-in; degradation modeling; degradation-based burn-in; Gibbs sampling; hierarchical Bayesian model; Monte Carlo simulation; reliability; optimization; warranty duration; measurement errors; two-phase degradation patterns; light display devices

patterns. The major propose of the burn-in test for those products is to eliminate the initial… …8 LIST OF TABLES Page Table 1: Optimal burn-in decisions for four different cost… …52 Table 2: Optimal burn-in decisions for four different cost coefficient combinations… …52 Table 3: Optimal burn-in decisions for four different cost coefficient combinations… …52 Table 4: Optimal burn-in decisions for four different combinations of cost coefficients… 

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

APA (6th Edition):

Gao, Y. (2017). A Degradation-based Burn-in Optimization for Light Display Devices with Two-phase Degradation Patterns considering Warranty Durations and Measurement Errors. (Masters Thesis). Ohio University. Retrieved from http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1509109739168013

Chicago Manual of Style (16th Edition):

Gao, Yong. “A Degradation-based Burn-in Optimization for Light Display Devices with Two-phase Degradation Patterns considering Warranty Durations and Measurement Errors.” 2017. Masters Thesis, Ohio University. Accessed June 04, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1509109739168013.

MLA Handbook (7th Edition):

Gao, Yong. “A Degradation-based Burn-in Optimization for Light Display Devices with Two-phase Degradation Patterns considering Warranty Durations and Measurement Errors.” 2017. Web. 04 Jun 2020.

Vancouver:

Gao Y. A Degradation-based Burn-in Optimization for Light Display Devices with Two-phase Degradation Patterns considering Warranty Durations and Measurement Errors. [Internet] [Masters thesis]. Ohio University; 2017. [cited 2020 Jun 04]. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1509109739168013.

Council of Science Editors:

Gao Y. A Degradation-based Burn-in Optimization for Light Display Devices with Two-phase Degradation Patterns considering Warranty Durations and Measurement Errors. [Masters Thesis]. Ohio University; 2017. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1509109739168013

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