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median lethal concentration
释义
median lethal concentration
Encyclopedia
工学
钻井液
释
median lethal concentration;LC50
半致死浓度
动物急性毒性实验中,在一定时间内(一般取24小时)使受试动物半数死亡的毒性浓度。用LC50表示。
工学
半数致死浓度
释
median lethal concentration
半数致死浓度
使一组实验动物在经呼吸道接触外源化学物一定时间(一般固定2或4小时)后死亡50%所需的浓度,用LC50表示。
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