1. Degradation characteristics of parathion,parathion methyl and fenitrothion by a enzyme,extracted from the isolated strain YF11,was determined.
   从降解菌YF11中提取了降解酶并测定了该降解酶对对硫磷、甲基对硫磷和杀螟松的降解特性。
2. Chlorpyrifos was one kind of organophosphorus pesticides with higher efficacy and could substitute highly poisonous metham-sodium and parathion.
   毒死蜱是替代甲胺磷和对硫磷等高毒农药的高效有机磷杀虫剂,在世界范围得到广泛使用。

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