探讨底栖动物对重金属的吸收机制和生物、非生物因子对底栖动物重金属富集量的影响。
The mechanism of macrobenthos assimilating heavy metals and the effect of biologic and abiological factors to the enrichment content of heavy metals are discussed.
发现K元素浓度分布呈细粒态单峰谱分布，细粒态K富集因子较高，表明了生物质燃烧的主要贡献。
The fine-mode distribution and high enrichment factors of fine aerosols of K indicated its main source of biomass burning.
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.
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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