“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	jing characters Jingchuan human remains Jingchuan Ji Jingchuan Wenquan Jingchuan Xian Jingchu calendar Jingci Temple Jing Cuo Jingdang Jingde Biographies of Masters Who Passed on the Light Jingde Xian Jingdezhen Ancient Folk Kiln Museum Jingdezhen Ceramic Institute Jingdezhen Ceramic Museum of Folk Customs Jingdezhen Ceramic Museum of Ten Ceramic Factories Jingdezhen ceramic production area Jingdezhen Ceramics History Textual Jingdezhen Ceramic Song Jingdezhen China Ceramics Museum Jingdezhen Gaoxin Jishu Chanye Kaifaqu Jingdezhen kiln Jingdezhen porcelain bowl with operatic painting A Twig of Red Plum Jingdezhen porcelain plate with operatic painting The Western Chamber: Yingying Listening to a Zither Jingdezhen porcelain plate with operatic painting The Western Chamber: Yingying Reading Her Lover’s Letter Jingdezhen porcelain plate with operatic painting Xiao He Chasing Han Xin

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