The results showed that the acute contact toxicity and acute oral toxicity of nine pesticides containing avermectin or emamectin benzoate were high to honey bees. 结果表明:所有含阿维菌素或甲氨基阿维菌素苯甲酸盐的农药对蜜蜂的急性接触和摄入毒性均为高毒。
The tests showed that the plant volatile oils were the fumigants and had contact toxicity, the insects died rapidly. 用植物挥发油拌粮不但能杀灭当代害虫，而且能完全控制子代的发生。
The clinical findings of most corticosteroid contact dermatitis are resistance to treatment, but acute contact dermatitis can also occur. 临床表现多为皮损迁延不愈，但也可发生急性接触性皮炎。
Extraction of insecticide constituents from Trigonella foenum-graecum L.by supercritical fluid CO_2 extraction(SFE-CO_2)method was optimized and the contact toxicity of extracts to Rhyzopertha dominica Fabricius were assayed. 对胡芦巴Trigonella foenum-graecumL.