Objective To study the relationship between changes of DNA degradation and the postmortem interval.
目的研究小鼠死后骨骼肌细胞核DNA降解与死亡时间的关系。
Results: the quality controlling of experiment links was very important to ensure replication and objectivity of the estimation the postmortem interval.
结果：对整个实验过程的主要环节进行严格、科学、规范的质量控制是保证准确推断死亡时间客观性、重复性的关键。
At the same time, estimation of postmortem interval also has some practical significance in insurance indemnity and civil cases, such as property inheritance.
同时，死亡时间推断对保险理赔及财产继承等民事案件也具有一定的现实意义。
Estimation of postmortem interval is one of the important tasks to be firstly solved in the practical work of forensic medicine, but simultaneously it is a difficult point.
死亡时间推断是法医学实际工作中首先要解决的重要任务之一，但同时也是难点。
Objective To study postmortem degradation in rats skeletal muscle with fourier transform infrared spectroscopy (FTIR) and explore a new method to estimate postmortem interval (PMI).
目的应用傅立叶变换红外光谱（FTIR）分析大鼠死后骨骼肌随死亡时间推移的化学降解过程，为死亡时间推断提供新的研究方法。
Objective:To study the growing law of Sarcophaga carnaria in early autumn in Zheng zhou City in order to find out the more exact data for the estimation of the postmortem interval for this region.
目的：探讨郑州地区初秋季节嗜尸性麻蝇的生长发育规律，为该地区该季节人体死亡时间推断提供法医昆虫学较确切数据。
Objective:To study the growing law of Sarcophaga carnaria in early autumn in Zheng zhou City in order to find out the more exact data for the estimation of the postmortem interval for this region.
目的：探讨郑州地区初秋季节嗜尸性麻蝇的生长发育规律，为该地区该季节人体死亡时间推断提供法医昆虫学较确切数据。
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