The relations between gas chromatography retention of 23 organophosphorus pesticides and their chemical structure were studied.
对23种有机磷农药的气相色谱相对保留值与其化学结构的关系进行了探讨。
Article 23. The use of chemical pesticides in coastal farmlands shall conform to the state provisions and standards for the safe use of pesticides.
第二十三条沿海农田施用化学农药，应当执行国家农药安全使用的规定和标准。
Article 23. The use of chemical pesticides in coastal farmlands shall conform to the state provisions and standards for the safe use of pesticides.
第二十三条沿海农田施用化学农药，应当执行国家农药安全使用的规定和标准。
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