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- The Median Lethal Dose and Lethal Time of Heterobostrychus aequalis Infected by Steinernema feltiae 斯氏线虫感染双钩异翅长蠹的致死中量与致死中时间
- Keywords Lake Taihu;Microcystis;cladoceran;median lethal time;median lethal concentration; 太湖;微囊藻;枝角类;半致死时间;半致死浓度;
- median lethal time ( LT50 ) 致死中时（LT50）
- median lethal time(radiation) 半数致死时间(放射)
- median lethal time 半致死时间
- The median lethal dose(LC50)of 4kinds of heavy metals to S.henanense were decreased with the prolonging of the treating time. 4种重金属对河南华溪蟹的半致死剂量（LC50）随处理时间的延长而减小。
- A SAS program to calculate median lethal dosage (LD_(50)) of pesticides, named LD50-SAS, was developed based on the algorithms established by Bliss. 基于Bliss概率单位法,编写了用于计算半数致死量(LD50)的SAS程序(LD50-SAS)。
- The virulence of both mutants, as represented by median lethal dose (LD50), was not significantly different from that of the parental strain. 因此，细胞溶解毒素可能不是主要的致死因子，也不是创伤弧菌造成细胞毒杀作用的唯一因素。
- And the values of 48 h median lethal concentration ( LC 50 ) and safe concentration ( SC ) of methamidophos for European eel larvae were 35.9 mg/L and 3.6 mg/L respectively. 甲胺磷乳剂对欧洲鳗仔鳗的半致死浓度（48h－LC50）为35.;9mg/L，安全浓度（SC）为3
- METHOD:We detected median lethal dose(LD 50 )of mixture of scopolamine (SCO) and chlorpromazine(CPZ) in the different dose to mice and rats by Bliss and Brownlee sequential trial. 方法：用Blis法和Brownle序贯法分别测定不同比例东莨菪碱与氯丙嗪组合成不同比例东氯合剂后对小鼠、大鼠的半数致死量（LD50）。
- The median lethal doses(LD_(50)) of single Knoxia valerianoides Thorel. et Pitard,Daphne genkwa Sieb. et Zucc,Glycyrrhiza uralensis Fisch and their various proportions were determined with the method of peritoneal injection in healthy mice. 以健康小鼠腹腔注射法测定单味大戟、芫花与甘草及其不同比例的半数致死量(LD_(50))。
- At the treatment of the sublethal dosage and median lethal concentration, the comparison between the life of female and male adult and the ck was non significant or they could be prolonged. 结果显示：高浓度下，寿命缩短；
- median lethal concentration ( LD50 ) 半致死浓度
- median lethal concentration (LC50) LC50
- median lethal concentration(LC50) 半致死浓度（LC50）
- Fruit juices ferment if they are kept a long time. 果汁若是放置很久，就会发酵。
- Time is sometimes called the fourth dimension. 时间有时被称为第四度空间。
- I think the work can be completed ahead of time. 我认为这项工作能提前完成。
- median lethal temperatures (LT50) 抗寒锻炼
- He will come on time even though it rains. 即使下雨，他还是会准时来的。
