英语词汇“median lethal concentration”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	median lethal concentration
释义	DictionarySeemedian lethal dose median lethal concentration median lethal concentration The average concentration of a chemical or mixture in air as a gas, vapour, mist, fume or dust capable of killing 1/2 of the test animals exposed by inhalation under specific conditions. Median lethal concentration (LC50) is often expressed in ppm or mg/m3.
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