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ban shu zhi si ji liang de ying yong ji qi ju xian xing
Author(s): 
Pages: 16-17
Year: Issue:  4
Journal: Occupational Health and Emergency Rescue

Keyword:  半数致死剂量半数致死浓度实验动物毒理学评价观察数数理统计方法化学毒物毒作用蓄积系数毒效应;
Abstract: <正> 随着科学技术和工业生产的发展,化工行业中新化学物不断涌现。人们常需了解化学物的毒性,毒理学中半数致死剂量(LD50)或LC50)这一指标的应用十分普遍,因此有必要对LD50的意义及其应用价值有一个全面的认识。LD 50(半数致死剂量)或LC50(半数致死浓度)是指某化学毒物在急性实验动物的群体中引起半数动物死亡的剂量(或浓度),其数值不是对实验动物的直接观察数,而是经数理统计方法计算所得。LD50
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