1) the median lethal dose(LD50)
致死中量(LD50)
2) LD50
半数致死量(LD50)
1.
To determine the relationship of the Shigella strains isolated in Lanzhou city with different virulence genotypes to the pathogenicity of these isolates,7 strains isolated in 2007 with different virulence genotype were chosen for study and their LD50 were tested in mice of Kunming strain through intraperitoneal route.
方法选用不同毒力基因型的志贺菌,以腹腔注射为感染途径,测定其对昆明种小鼠的半数致死量(LD50)。
3) lethal dose for 50%(LD50)
半致死浓度(LD50)
4) LD50
致死中量
1.
The menu operation of t-test,analysis of variance,and LD50 value of pesticide experiments were included.
本文介绍了应用SPSS软件对农药数据进行统计分析的方法,包括:t检验、方差分析以及致死中量的计算。
2.
The results showed that the infective dose 50(ID50) and lethal dose 50(LD50) of silkworm feeding on Tricuspid cudrania leaves were 1.
结果表明:BmNPV对柘叶饲养家蚕的感染中量(ID50)和致死中量(LD50)分别为1。
5) median lethal dose
致死中量
1.
In order to provide the evidence for the wide usage of Steinernema feltiae in controlling Heterobostrychus aequalisfor quarantine (purpose), experiments were done indoor to measure the median lethal dose and lethal time of Heterobostrychus aequalis infected by Steinernema feltiae.
在室内测定了斯氏线虫对进境原木上的检疫性害虫———双钩异翅长蠹的致死中量和致死中时间,旨在为大规模应用斯氏线虫检疫处理双钩异翅长蠹提供理论依据。
6) LD 50
致死中量
1.
It is found that the best time of determining LD 50 is 172 h for mouse with avalue of 63.
测定结果表明 ,克鼠星 1号对小白鼠致死中量 ( LD50 )测定统计的最佳间距是 1 72 h,其值为 63。
补充资料：半数致死量（ld50）
半数致死量（ld50）又成为半数致死浓度（ld50）：只药物能引起一群实验动物50％死亡所需的剂量或浓度。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条