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北极海洋沉积物中持久性有机污染物分布特征及分子地层学记录的研究

, PP. 167-173

Keywords: 北极,有机氯农药,污染物,沉积地层记录

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Abstract:

持久性有机污染物(POPs)普遍存在于各种环境介质中,其中有机氯农药(OCPs)和多氯联苯(PCBs)化学性质稳定,在环境中能持久残留.它们经食物链浓缩并在生物体内累积,大多数具有致癌、致畸、致突变效应,构成对人类和生态系统的潜在危害,成为世界公认的全球性环境公害.

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