- ld50
- 半數(shù)致死劑量 半數(shù)致死量
- 半致死劑量
- 半致死量
- 牛（數(shù)）致死量
- 平均致命劑量
- 致死中毒
- 致死中量
- 中間致死劑量
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median lethal dose中文什么意思
百科釋義
In toxicology, the median lethal dose, LD50 (abbreviation for “l(fā)ethal dose, 50%”), LC50 (lethal concentration, 50%) or LCt50 (lethal concentration & time) of a toxin, radiation, or pathogen is the dose required to kill half the members of a tested population after a specified test duration. LD50 figures are frequently used as a general indicator of a substance's acute toxicity.
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