LD50

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。

The Lethal Dose 50 test ( LD50 ) may also be replaced .

致死计量50实验（LD50）也可以被代替。

Methods : LD50 was determined in mice .

方法：测定小白鼠LD50，观察其急性毒性反应；

Method : Classical LD50 test .

方法：经典的半数致死量LD50测定法。

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；

The acute oral LD50 in mice is about 2g / kg .

小鼠口服急性LD（50）约为2g/kg。

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；

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；

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；

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；

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。

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。

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）。

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。

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。

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。

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。

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。

RESULTS : We did not get LD50 to mouse and rat , and no chronic toxicity to rabbit skin .

结果：酸枣仁油对大小鼠均未测出LD50，家兔皮肤刺激实验未见急性毒性反应。

Nanoparticles ' LD50 exceeded injection 's by 13.5 % and their stimulus was much lower than injection .

纳米粒的LD50高于注射剂13.5%，同时血管刺激性较TBMS注射剂大大降低。

Results : The LD50 value of sodium cyanide decreased obviously in the animals with combind injuries .

结果：失血复合中毒后氰化钠LD50明显降低；

The LD50 and 95 % creditability were calculated with developed Karber Method .

用改良寇氏法计算半数致死量（LD50）及95%可信限。

Acute oral toxicity test indicated that its LD50 in male and female mice was 10 000 mg / kg .

急性经口毒性试验表明，该剂对雌、雄小白鼠LD50＞10000mg／kg。

The results show that LD50 is 5728mg / kg to mice by mouth being low toxicity ;

结果表明小鼠经口LD50为5728mg／kg.属低毒物质；

The oral LD50 was 79.4 and 126.0 mg / kg to female and male of rat , respectively .

对高等动物毒性中等，雌、雄性大白鼠的LD50分别为794和126.0mg／kg。

The biggest change of LD50 occurred between the3rd-5th generations .

LD50的最大变化发生在第3代和第5代之间。

[ Results ] Its acute oral LD50 in both rats and mice were greater than 5 000 mg / kg .

结果浏阳霉素对两种性别小鼠和大鼠的经口急性毒性试验，LD50均大于5000g/kg；

Comparation of Blood Coagulation and LD50 in Geese 's Paramyxoviruses from different Isolation

鹅副粘病毒不同分离株的血凝特性及LD（50）比较

The fish of 11 d-deprived group were dead during recovery growth and the time of LD50 was 10-11 d.

饥饿11d组鱼在恢复投喂后全部死亡，半致死时间为10～11d。

The iv LD50 of OMT in mice was 144.2 ± 22.8 mg / kg .

氧化苦参碱给小鼠静注，LD（50）为144.2±22.8mg/kg。