half lethal dose 半数致死剂量 ; 半致死量 ; 半致死剂量 ; 半数致死量
half lethal time 半致死时间
half lethal concentration 半致死浓度 ; 半数致死浓度
HLD half lethal dose 半数致死量
half-lethal dose 半数致死剂量 ; 半致死剂量
dose half-lethal 半数致命剂量
Time of Half Lethal 半数死亡时间
The Time of Half Lethal 半数死亡时间
half lethal 半致死
For copper, she said, the LC50 (the concentration lethal to half of any given species over a certain time) decreases with temperature - meaning that toxicity increases.
她说,对于铜来说,半数致死浓度lc50(一定时间内受试动物半数死亡的毒物浓度)随温度减弱-这就意味着毒性增加。
Spells are hurled back and forth until Harry delivers a crushing blow with a devastatingly powerful and potentially lethal spell... a spell he learned from the Half-Blood Prince.
法术是投掷来回,直到哈里提供了毁灭性的打击,以毁灭性强大和可能致命的法术…拼写他从混血王子。
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