median lethal period 半数致命时间
period lethal 致命期
lethal feeding period 致死期食毒法
period median lethal 半数致命周期
The dosage of interest is typically the lethal concentration, known as LC50, that will kill 50% of the population of organisms in a given period of time.
需要测试的剂量是致命浓度(LC50)在给定时间内能杀死50%生物体的剂量。
The doses they could experience would potentially be lethal doses in a very short period of time"."
他们所接触的放射剂量将会极有可能在短期内致死。
The results of regressive tests of GPV wild strain showed that latent period was8d, lasting1~3d after infected, and lethal rate was100%.
回归试验结果表明，该GPV野毒株的感染潜伏期为8天，病程为1～3天，致死率达100%；
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