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Determination of 50 organophosphorus pesticides residues in unpolished rice .

糙米中50种有机磷农药残留量的测定。

Since aphid population may become resistant to organophosphorus compounds , avoid excessive spraying .

因为蚜虫类对有机磷化物能产生抗性，所以要避免过多的喷洒。

Determination of 22 organophosphorus pesticides residuein in fruits and vegetables was performed by cgc-fpd .

果蔬中22种有机磷农残用cgc－fpd测定。

Design and synthesis of biologically active organophosphorus compounds .

具生物活性有机磷化合物的设计与合成。

Organophosphorus compounds inhibit natural killer cell activity .

有机磷化合物抑制自然杀伤细胞活性。