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中文摘要：
在在北京的 8 城市的废水处理植物(WWTP ) 的污水污泥的 polychlorinated 萘(PCN ) 的超过七十同种的物被同位素冲淡，和高分辨率色相色层分析法分辨率分析质谱分析法(HRGC/HRMS ) 方法。在样品决定的全部的 PCN 集中与 0.11-2.45 pg/g dw 的 TEQ 集中从 1.48 ～ 28.21 ng/g dw (干燥重量)。这些层次比在另外的区域发现的那些低。DiCNs 和 TrCNs 是 PCN 的最主导的相当或相同事物。在所有样品的类似的同种的物侧面在某些来源建议类似。从工业输入的污染可能是在在象浪费焚化那样的这研究，和热过程的污泥的 PCN 的最重要的来源，煤燃烧可以是 PCN 污染的另一来源。
英文摘要：
Over seventy congeners of polychlorinated naphthalenes （PCNs） in sewage sludge of 8 urban waste- water treatment plants （WWTPs） in Beijing were analyzed by isotope dilution, and high resolution gas chromatography/high resolution mass spectrometry （HRGC/HRMS） method, The total PCN concentrations determined in the samples range from 1.48 to 28.21 ng/g dw （dry weight） with TEQ concentrations of 0.11--2.45 pg/g dw. These levels were lower than those found in other regions, DiCNs and TrCNs were the most dominant homologues of PCNs, The similar congener profiles in all the samples suggest the similarity in certain sources, Contamination from industrial input might be the most significant source of PCNs in the sludges in this study, and thermal processes such as waste incineration and coal combustion may be another source of the PCNs contamination.
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