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- 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。
- 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。
- 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）。
- A Convenient Method for Calculating the Median Lethal Dose in Toxicity Testing 毒力测定中致死中量的简便计算方法
- 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))。
- Then detecting median lethal dose (LD50) of the tow drugs by the Bliss method; 采用Bliss法计算LD_(50)。
- Keywords arabinogalactan salfate;median lethal dose;thymus index;spleen index; 阿拉伯半乳聚糖硫酸盐;半数致死量;胸腺指数;脾指数;
- 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
- Observe Single Leaf Asarum himalaicum's Acute Toxicity and Determination of its Median Lethal Dose 单叶细辛的急性毒性观察及半数致死量的测定
- Keywords bromoxynil;acute toxicity;median lethal dose（LD50）;sodium dimercaptopropane sulfonate（Na-DMPS）; 溴苯腈;急性毒性;半数致死量（LD50）;二巯基丙磺钠;
- Keywords ponceau 4R;Drosophila melanogaster;median lethal dose;survival test;superoxide dismutase;maleic dialdehyde; 胭脂红;黑腹果蝇;半数致死浓度;生存试验;超氧化物岐化酶;丙二醛;
- Keywords Dental pulp slow deactivator Intragastric administration Median lethal dose; 关键词牙髓慢失活剂;口服;半数致死量;
- Keywords Pig farm wastewater;Misgurnus Anguillicaudatus;median lethal dose;micronuclear rate;anomalous nuclear rate; 养猪场污水;泥鳅;半致死浓度;微核率;核异常率;
- Keywords Musca domestica;Insecticide;Median lethal dose （LD 50 ）;Susceptibility; 家蝇;杀虫剂;半数致死量;敏感性;
- Keywords single leaf Asarum himalaicum;acute toxicity death rate;median lethal dose; 单叶细辛;急性毒性死亡率;半数致死量;
- median lethal dose (LD 50) 半致死剂量
- The Lethal Dose 50 test (LD50) may also be replaced. 药剂致死剂量50(LD50)试验也可以被代替。
- median lethal dose 半致死量,半数致死量
- Median lethal dose(LD50) 半数致死量（LD50）
- The acute lethal dose (LD50) has been reported as 3,400 mg/kg bw. 急性致死剂量（半数致死量）已被报告为3400毫克/公斤体重。
