BAF:生物累积因子
“生物累积因子”(BioAccumulation Factor,常缩写为BAF)是环境科学领域的重要概念,用于衡量化学物质在生物体内随时间累积的程度。该术语因使用频率较高,常以缩写BAF形式出现,便于在学术报告、政策文件和跨机构交流中简洁、高效地表达。这一指标对于评估污染物在食物链中的迁移与生态风险具有关键意义。
BioAccumulation Factor具体释义
BioAccumulation Factor的英文发音
例句
- Kg-1, and the bioaccumulation factor ( BCF ) of that is near to or beyond 1, respectively.
- kg-1,富集系数接近或超过1,其中艾蒿对Cd和Zn的转运系数分别为1.73和2.09。
- The bioaccumulation amount and bioaccumulation factor of gaseous DDT on the leaves of spinach were all higher than those on carrot.
- 气态DDT类物质在菠菜叶部的生物富集量和生物富集系数均高于胡萝卜。
- Meanwhile the accumulation of As in the roots was higher than that in the shoots, the translocation factor (≤ 0.3 ) and the bioaccumulation factor ≤ 0.6, which showed that Rorippa globosa had an excluding effect on As uptake.
- 同时,球果蔊菜根部对As的吸收能力大于其地上部,相应的富集系数≤0.3,转移系数≤0.6,说明球果蔊菜对As有一定的排斥作用。
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