median lethal dose

美 [ˈmiːdiən ˈliːθl doʊs]英 [ˈmiːdiən ˈliːθl dəʊs]
  • 中位致死剂量;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
median lethal dosemedian lethal dose
  1. Computer program calculating median lethal dose of drugs

    药物半数致死量的计算程序

  2. 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);

  3. 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

  4. 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

  5. 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;

  6. The death ratios were observed and the median lethal dose ( LD 50 ) was calculated .

    观察10d动物的存活情况,计算昆明小鼠单宁经口半数致死量(LD50)。

  7. 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

  8. The median lethal dose of neurotoxin was 1.11mg/kg by calculating .

    神经毒素的LD50为1.11mg/kg。

  9. Results : When Puerarin was administered intravenously in mice , the median lethal dose was 816.7 mg / kg .

    结果小鼠静注普乐林的LD50为816.7mg/kg;

  10. 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。

  11. In toxicology research , median lethal dose ( LD50 ) and maximum tolerance dose of LG ( ig ) were observed .

    毒理学研究观察了灌胃给药途径的狼疮静颗粒LD(50)及最大耐受量试验。

  12. [ Results ] Median lethal dose of Astragalus composition F3 new preparation ip to mice had no result , and the drug 's maximum tolerable dose was 5 g / kg .

    [结果]小鼠腹腔注射黄芪成分F3新制剂的半数致死量(LD50)未测出,其最小耐受量为5g/kg体重。

  13. Methods : Acute toxicity tests of median lethal dose ( LD_ ( 50 )) were performed to test whether panax polysaccharide could reduce the toxicity and adverse effect of compound fluorouracil lipid .

    方法:通过急性毒性实验半数致死量(LD50)的检测,验证人参多糖是否降低氟脲嘧啶多相脂质体的毒性。

  14. The experiments were conducted to determine the median lethal dose ( LD50 ) of nitrites to ducks , and seek the no-observed effect level ( NOEL ) in duck feeds .

    试验旨在确定肉鸭亚硝酸盐的半数致死量(LD(50)),探讨鸭饲料中亚硝酸盐的无明显作用水平(NOEL),为国家饲料中亚硝酸盐允许量标准的制修订提供科学依据。

  15. 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)。

  16. The acute toxic symptoms produced by intravenously administered deltamethrin ( DM ) in rabbits were similar to those in rats , The median lethal dose of DM ( i.v. ) in rabbit was 1.35mg/kg .

    家兔静脉染毒溴氰菊酯所产生的急性毒性症状与大鼠相似,半数致死量为1.35mg/kg。

  17. 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)。

  18. The results showed that the maximum effective dosage was 28.56 mg / kg , the maximum lethal dosage was 59.22 mg / kg , median lethal dose ( LD50 ) was 41.88 mg / kg . The toxic chickens presented neurosis symptom and dyspnea .

    试验得出心律平最大有效量为28.56mg/kg,最高致死量为59.22mg/kg,半数致死量(LD50)为41.88mg/kg。

  19. 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。

  20. Crawfishes ( Cambarus proclarkii ) as animal were infected with white spot syndrome virus ( WSSV ) for studying various infection characters , including temperature , transfer route , successive infection , median lethal dose ( LD 50 ), immunity against virus and virus conservation etc.

    应用克氏原螯虾作为动物模型研究对虾白斑综合征病毒(WSSV)的感染增殖特性,涉及感染温度、感染途径、继发感染、半数致死量(LD50)、免疫保护及保存期等。