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A capillary gas chromatographic method with an electron capture dector (ECD) for the detection of polychlorinated biphenyls (PCBs) in seawater was developed.

摘要建立了毛细相色法测中的多氯联苯的方法。

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But PCBs are persistent chemicals, and their effects are felt even today.

PCBs是惰性化工品,即便是今天,它们的影响依然存在。

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Two of them seem particularly resistant to the effects of PCBs.

其中的两种变异似乎具有特殊抵抗PCB的作

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And DDT and PCBs two of the most poisonous and long-lasting substances known continue to threaten aquatic wildlife.

滴滴涕和多氯联苯是已知的两种毒性和持久性最强的质,它们继续威胁水中的野生动

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PCBs do their damage by binding to a protein called the aryl hydrocarbon receptor, or AHR, thus stopping it working properly.

PCB的危害来源于它们结合一种称为芳香烃受体(AHR)的蛋白质,从而停止该类蛋白的正常运转。

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