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预测从英国水道打捞起的人类遗骸的死后浸没时间间隔。

Predicting the postmortem submersion interval for human remains recovered from U.K. waterways.

作者信息

Heaton Vivienne, Lagden Abigail, Moffatt Colin, Simmons Tal

机构信息

School of Forensic and Investigative Sciences, University of Central Lancashire, Preston PR1 2HE, UK.

出版信息

J Forensic Sci. 2010 Mar 1;55(2):302-7. doi: 10.1111/j.1556-4029.2009.01291.x. Epub 2010 Jan 25.

Abstract

This article aims to increase accuracy in estimating the postmortem submersion interval (PMSI) for bodies recovered from rivers in the United Kingdom. Data were collected from closed case files, crime scene reports, and autopsy files concerning bodies recovered over a 15-year period from the River Clyde, Scotland, and the River Mersey and canals in northwest England. One hundred and eighty-seven cases met the study criteria and were scored by quantifying the overall amount of decomposition observed in each case. Statistical analysis showed that the duration of a body's submergence in water and the temperatures to which it was exposed, as measured in accumulated degree days (ADD), had a significant effect on the decay process. Further analysis indicated that there were no significant differences in decomposition between the waterways. By combining the data from all study samples, it was possible to produce a single linear regression model for predicting ADD from observed decomposition.

摘要

本文旨在提高对从英国河流中打捞的尸体的死后浸没时间(PMSI)估计的准确性。数据收集自结案档案、犯罪现场报告以及尸检档案,涉及在15年期间从苏格兰克莱德河、英格兰西北部的默西河和运河打捞的尸体。187个案例符合研究标准,并通过量化每个案例中观察到的分解总量进行评分。统计分析表明,尸体在水中的浸泡时间以及以累积度日(ADD)衡量的暴露温度对腐烂过程有显著影响。进一步分析表明,不同水道之间的分解情况没有显著差异。通过合并所有研究样本的数据,有可能生成一个单一的线性回归模型,用于根据观察到的分解情况预测ADD。

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