HPLC method was developed for the determination of methidathion and chlorpyrifos EC. 建立了在同一液相色谱条件下测定混剂中杀扑磷和毒死蜱含量的方法。
The research has also shown that the residential ban on chlorpyrifos use by the U.S.Enironmental Protection Agency has been effectie at reducing blood leels of the insecticide. 先前的研究表明由美国环保署提出的禁止居民区使用毒死蜱已经有效的减少了血内杀虫剂的浓度。
