Degradation characteristics of parathion,parathion methyl and fenitrothion by a enzyme,extracted from the isolated strain YF11,was determined.

从YF11中提取了酶并测定了该酶对对、甲基对和杀螟松的特性。

Chlorpyrifos was one kind of organophosphorus pesticides with higher efficacy and could substitute highly poisonous metham-sodium and parathion.

毒死蜱是替代甲胺和对毒农药的效有机杀虫剂,在世界范围得到广泛使用。