致死的例句大全

Methods: To carry out external bacteriostasis experiment first by the method of drilling hole, then To definite minimal lethal dose by preliminary test, finally to do internal bacteriostasis experiment with mice.

方法：先采用打孔法进行体外抑菌试验，然后通过预试验找到最小致死浓度，最后用小白鼠进行体内抑菌试验。

The results showed that the minimal lethal dose of Norfloxacin to embryos is 320mg/ kg embryo weight, and the lethal dose 50% ( LD60) for 3-day-old chicks 4 985+ 753.18 tag/ kg body weight.

结果表明，氟哌酸对鸡胚的最小致死剂量为320mg/kg胚重；对3日龄雏鸡的LD（50）为4985±753.18mg/kg体重。

The ultra-structural changes of Monopterus albus liver cells were observed with transmission electron microscopy after sublethal exposure to Cu2+ and nonionic surfactant AE ( linear alkylethoxylate).

利用透射电镜研究了亚致死浓度的Cu2+或表面活性剂AE（脂肪醇聚氧乙烯醚）对黄鳝肝细胞结构的损伤作用。

The oral acute toxicity test showed LD50 ( medium lethal dose)> 5.5 g/ Kg. Such result demonstrates that the synthesized product is nontoxic according to the classification of acute toxicity standard.

通过对合成的产物进行急性经口毒性试验，发现其经口半数致死量（LD50，medium lethal dose）大于5.5g/Kg，按照急性毒性分级标准确定该依布硒林衍生物属实际无毒级。

Conclusion Nano-hydroxyapatite has no accumulative toxicity to rabbits, it is suggested that it is safe when the hydroxyapatite-sol was applied intravenously as a drug carrier in small dosage more less than the medium lethal dose, even as a kind of anticancer drug.

结论纳米HAP在家兔无明显蓄积毒性，提示当用量远远小于最小致死剂量时，纳米HAP可作为药物载体，甚至在将来可能作为一种新型的抗癌药物，经静脉安全应用。

The median lethal time ( LT_ ( 50)) of P_ ( f) NPV to the larvae was shortened with the increase of the viral concentration.

各测试浓度下致死中时间（LT（50）为3.43-5.14天，随病毒浓度提高而缩短。

The median lethal time ( LT50) of the GV was shortened with the increase of the virus concentration and the decrease of the larval instar, during which the GV was fed.

幼虫饲毒后，致死中时（LT（50））随病毒浓度提高而缩短；随饲毒时虫龄的增大而延长。

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

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

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；

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）。

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

The study has provided theoretical basis in induced mutation medial lethal dose of different wheat varieties ( strains) to Ar+ implantation.

本项研究可为Ar+注入不同小麦品种（系）发生诱变的半致死剂量提供实验依据。

Radiation protection effects of sinapine on Drosophila melanogaster in a sex-linked recessive lethal test system

果蝇伴性隐性致死突变试验中芥子碱的辐射保护作用

Effects of Space Flight on Genetic Mutations& The Drosophila Melanogaster Sex-Linked Recessive Lethal Assay

卫星空间飞行对遗传影响的研究&果蝇伴性隐性致死试验

Effects of garlicin on MMS-and Cy-induced sex-linked recessive lethal mutations in Drosophila melanogaster

大蒜素对甲基磺酸甲酯和环磷酰胺诱发果蝇伴性隐性致死的影响

Understanding the sublethal effect of pesticides is important for rational application of pesticides.

明确杀虫剂的亚致死效应对于农药的合理使用具有重要指导意义。

Lufenurons' Sublethal Effect on the Growth, Development and Fecundity of Helicoverpa armigera

虱螨脲亚致死剂量对棉铃虫生长发育和繁殖力的影响

Sublethal effect of insect virus on the Lepidoptera defoliators

昆虫病毒对鳞翅目食叶害虫的亚致死作用