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LD50的意思
1、半数致死量
LD50的双语例句
1、The LD50 of o-toluidine in mice by mouth is 755mg/ kg. o-toluidine has lower toxicity.
邻甲苯胺经口半数致死量为755mg／kg，属低毒类。
2、The Lethal Dose 50 test ( LD50) may also be replaced.
致死计量50实验（LD50）也可以被代替。
3、Methods: LD50 was determined in mice.
方法：测定小白鼠LD50，观察其急性毒性反应；
4、Method: Classical LD50 test.
方法：经典的半数致死量LD50测定法。
5、Results: LD50 in rats and mice were more than 10 g/ kg;
结果：川贝枇杷糖对两种性别小鼠、大鼠经口急性毒性试验，LD50均大于10g/kg，属实际无毒物；
6、The acute oral LD50 in mice is about 2g/ kg.
小鼠口服急性LD（50）约为2g/kg。
7、Results: The curve of SNP concentrations of LD50 indicated a time-dependent decrease trend.
结果：半数软骨细胞致死的硝普钠浓度呈时间依赖性下降；
8、Results Oral LD50 for mice was greater than 5 000 mg/ kg calculated by Horn method.
结果采用霍恩法计算聚天冬氨酸小鼠经口半致死量（LD50）大于5000mg/kg；
9、RESULTS: The LD50 of mice in the acute toxicity test was four to five times more than the control group.
结果：小鼠急性毒性实验的半数致死剂量（LD50）保健香烟组比原香烟对照组增加了4~5倍；
10、Methods The acute oral LD50 was determined by a single dose limited ingesting of test reagent.
方法采用一次性限量灌胃法测定急性经口LD50；
11、The LD50 of submicro-emulsion and injection in mice were studied.
考察汉防已甲素亚微乳和注射液对小鼠的LD50值。
12、Results LD50 for urea by intragastric administration is 8471 mg/ kg in rats.
结果尿素的大鼠经口LD50为8471mg/kg。
13、It is safe according to the acute toxic test ( LD50> 21.5 g/ kg).
急性毒性实验表明受试物安全无毒（LD50＞21.5g／kg）。
14、It's LD50 is 8.67 etc. The authors believe that it is a new virus disease in duck.
对氯仿有抵抗，对鸭胚的LD50为8.67，无血凝性、初步认为本病是一种新鸭病，暂定名为鸭传染性肿头症。
15、Acute toxic test indicated that the LD50 of CFA was 2.925%/ kg.
急性毒性实验表明本品的LD50为2.925g／kg。
16、LD50 of 36 kinds of drugs were measured and main pharmacological effect of 40 kinds of drugs were observed.
还测定了36种药物的LD（50）及观察40种药物之主要药理作用，在辐照后3个月时重复检定一次。
17、LD50 value was 29.174 ( 22.306~ 38.158) ml/ kg in the acute toxicity experiment.
急性毒性实验测得LD50值为29.174（22.306～38.158）ml/kg。
18、The results show that the mice's LD50 is 21500mg/ kg by oral means.
结果表明，蓖麻分离蛋白的经口LD（50）为21500mg/kg，为无毒物质。
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