经过筛选确定苯系物、多环芳烃、有机氯农药、多氯联苯和挥发性卤代烃为主要污染物。
The main pollutants are benzene serial materials, polycyclic aromatic hydrocarbon, organochlorine insecticide, PCB and volatile halogenated hydrocarbon.
根据脂肪烃、多卤联苯、卤代苯和稠环芳烃等80种非极性有机化合物在鱼体中生物富集因子（BCF）的实测数据，建立了有机物在鱼体中生物富集因子的片段常数法估算模型。
Relationship between bioconcentration factor and fragment constants was investigated. A prediction model was developed on the basis of the observed BCF values of 80 non-polar organic compounds.
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