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.
但PCBs是惰性化工品,即便是今天,它们的影响依然存在。
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。
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。
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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