median lethal dose
英 [ˈmiːdiən ˈliːθl dəʊs]
美 [ˈmiːdiən ˈliːθl doʊs]
半数致死（剂）量，平均致命剂量（指经放射性照射后50％死亡率的剂量）; 缩写词为LD50
双语例句
- The estimation of median lethal dose or effective dose by an ordinary curve fitting method
曲线配合法在测定半数致死量上面的应用 - Computer program calculating median lethal dose of drugs
药物半数致死量的计算程序 - 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 - Median lethal dose of toxicity tests was larger than 10g/ kg.
毒理学试验的半致死量均大于10g/kg； - Metho ds: Mice acute toxicity test ( median lethal dose, minimum lethal dose, maximum tolerance dose);
方法：小鼠急性毒性实验（半数致死量、最小致死量、最大耐受量）； - 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 - Biological characteristics study of mutant Δ AcnAA series biological characteristics of Δ AcnA and WT, including genetic stability, growth curve, morphology, hemolytic activity, infections to cells and median lethal dose to mice were tested.
突变株ΔAcnA的生物学特性研究对ΔAcnA突变株和WT进行一系列生物学特性分析（遗传稳定性、生长曲线、形态结构、溶血活性、细胞感染实验和小鼠半数致死量）。 - By analyzing the median lethal doses, vaccination of40/ mouse is the best dose reproductive toxicity model.
通过对胎鼠的半数致死量分析，腹腔接种经胰酶消化的弓形虫速殖子40个/只为最佳剂量。 - There were significant differences in different strains of virulence genes type in hemolytic, proteolytic activity, cell toxicity and median lethal dose of mice.
不同毒力基因型的菌株在溶血性、溶蛋白性、细胞毒性及小鼠半数致死量方面存在明显差异。 - The ratio of epr1+ epr2+ epr3+ gneJ+ is highest. A representative strain in five virulence genotypes was chosen to detect proteolytic activity, haemolysis, cell toxicity and median lethal dose of mice.
本试验从每个毒力基因型中选取一株代表菌株，进行了溶血性、溶蛋白活性、细胞毒性及小鼠半数致死量的研究。