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单词
median lethal dose
释义
median lethal dose
Encyclopedia
医学
半数致死量
释
median lethal dose; LD50
半数致死量
在实验中使受试动物半数死亡的某药物剂量，代表该药的急性毒性。
工学
钻井液
释
median lethal dose；LD50
半致死剂量
在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所需最小细菌数或毒素量。用LD50表示。
Physics
＞生物物理学＞放射生物学＞释义
半致死剂量
median lethal dose (LD
50
)
Biology
median lethal dose
MLD
半数致死量
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