The poison experiments to these insects(LC50)had been carried out.
另外还进行了实库杀虫实验和动物毒理试验。
Methods WHO standard bioassay method was applied to calculate LC50 and synergistic coefficient.
方法采用WHO生物测试法，计算lc50、回归方程、增效系数。
The toxicity test shows that the aconitic steep has high toxicity against Plusia agnata, LC50 being 5.
毒力测定结果表明，附子浸渍液对银纹夜蛾具有较高的毒性，Lc50为原液稀释5。
Methods The standard bioassay methods recommended by WHO were used to calculate LC50 and synergistic coefficients.
方法 采用WHO生物测试法，计算LC50、回归方程、增效系数。
The certain concentrations of fipronil approaching the LC50 can negatively affect population parameters of Daphnia pulex.
氟虫腈在水中的质量浓度达到LC50时对大型蚤的种群有影响。
When disappearance of black body larvaes and remarkable reduction of black fiend ones happened, LC50 of An. sinensis larvaesstarted going up.
当黑体幼虫消失、黑头幼虫减少时，中华按蚊幼虫的LC50开始回升。
Based on the principles of designs of self-compacting and light aggregate concrete mix, SCLC of LC30-LC50 was developed by using absolute volume method.
参考自密实混凝土和轻骨料混凝土配合比设计原理，采用绝对体积法，成功研制出强度等级为LC30 ~LC50自密实轻骨料高性能混凝土。
The dosage of interest is typically the lethal concentration, known as LC50, that will kill 50% of the population of organisms in a given period of time.
需要测试的剂量是致命浓度(LC50)在给定时间内能杀死50%生物体的剂量。
For copper, she said, the LC50 (the concentration lethal to half of any given species over a certain time) decreases with temperature - meaning that toxicity increases.
她说，对于铜来说，半数致死浓度lc50(一定时间内受试动物半数死亡的毒物浓度)随温度减弱-这就意味着毒性增加。
Methods The 24 h LC50 were determined by methods of water toxicology and the acute toxicity was examined after the detergents being de1xited for 15 days and 30 days.
方法-用水毒理学方法测定它们对3种鱼类的24hLC50，并将洗涤剂溶液存放15d和30d后测定其对鱼类的急性毒性。
Methods The 24 h LC50 were determined by methods of water toxicology and the acute toxicity was examined after the detergents being de1xited for 15 days and 30 days.
方法-用水毒理学方法测定它们对3种鱼类的24hLC50，并将洗涤剂溶液存放15d和30d后测定其对鱼类的急性毒性。
应用推荐