The organic phosphorus pesticides and organochlorine pesticides are two major types of pesticide residues.
有机磷农药和有机氯农药是农药残留的两大类型。
Among 185 samples examined, the residue of organic phosphorus pesticides in 45 samples was above the standard, with the rate of 24.3%.
抽查检测蔬菜样本185个，检出有机磷农药残留超标样本45个，超标率为24.3%；
The 7 kinds of organic phosphorus pesticides in injecting water sample wits Gas Chromatography equipped with ECD, large diameter capillary column.
用电子捕获检测器，大孔径毛细管色谱柱直接进水样分析7种有机磷农药。
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