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。
Objective To study the relationship between changes of DNA degradation and the postmortem interval.
目的探讨甲状腺滤泡上皮细胞平均DNA含量变化与死亡时间（PMI）的相关性。
Methods Changes of the DNA content in thyroid follicular epithelial cells at different PMI were determined by Methyl Green-Pyronin(MGP) stain combined with an image analysis technique.
这份报告首次研究了面对屏幕的时间与心脏病之间所存在的联系，科学家们发现，“无端”死亡的风险提高了48%。
The study was the first to examine the association between screen time and heart attacks, and found a 48 per cent increased risk of death from any cause.
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