• 碱性条件下,氨基乙酸硫化、氯甲酸反应合成了异硫乙酸乙收率4 8。

    Isothiocyanatoacetate ester is synthesized by the reaction of aminoacetic acid with carbon disulfide and ethyl chloroformate in the presence of an alkali with the overall yield of 48.

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  • 作者研究了杀灭氯苯醚、氯青菜、小白菜、豇豆种蔬菜中的残留降解情况,种农药降解半衰期为1.4~3.1

    Authors researched the degradation of fenvalerate, permethrin, cypermethrin and deltamethrin in 3 vegetables. The half-life of the degradation of 4 Pyrethroids -1.4~3.1 days.

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  • 作者研究了杀灭氯苯醚、氯青菜、小白菜、豇豆种蔬菜中的残留降解情况,种农药降解半衰期为1.4~3.1

    Authors researched the degradation of fenvalerate, permethrin, cypermethrin and deltamethrin in 3 vegetables. The half-life of the degradation of 4 Pyrethroids -1.4~3.1 days.

    youdao

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