“lethal concentration 50”的概念、定义、翻译、参考文献-科学参考

单词	lethal concentration 50
释义	lethal concentration 50 Encyclopedia 理学半数致死浓度释 lethal concentration 50 ；LC50半数致死浓度能使一群动物在接触外源化学物一定时间后并在一定观察期限内死亡50%所需的浓度。衡量存在于水中的毒物对水生动物和存在于空气中的毒物对哺乳动物乃至人类的毒性大小的重要参数。一般以毫克/米3表示空气中的外源化学物浓度，以毫克/升表示水中的外源化学物浓度。
随便看	traditional Chinese novel in captioned chapters Traditional Chinese Painter Traditional Chinese Painting traditional Chinese patent medicine analysis traditional Chinese poetry traditional Chinese sexology traditional chinese veterinary diagnostics traditional chinese veterinary internal medicine traditional Chinese veterinary medicine traditional chinese veterinary medicine traditional chinese veterinary medicine syndrome differentiation traditional chinese veterinary obstetrics traditional chinese veterinary prescription traditional chinese veterinary surgery traditional clothing traditional compressed air energy storage traditional culture traditional Dai nationality medicine Traditional Dances of Kiribati traditional design traditional exercises of health maintenance traditional fermentation traditional film traditional government traditional hand-painted animation

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