生物浓缩

附加参数包括，农药挥发性，代谢增毒作用，生物浓缩系数和除草剂对后茬作物的毒性。

The additional factors including : evaporation , toxicity of metabolite , coefficient of biological concentration and toxicity of herbicide to following crops .

通过计算生物浓缩因子（BCF）值来度量CPs在鱼组织中的生物富集效果。

The bio accumulation of CPs in fish tissues is expressed by bio concentration factors ( BCF ) .

除佛山污泥处理的通菜对氯苯类和醚类的生物浓缩系数（BCF）大于1外，其余均小于1.0。

Except the bioconcentration factors ( BCFs ) of Foshan sludge treated Ipomoea aquatic plant to chlorobenzenes and ethers were more than 1.0 , all the others were less than 1.0 .

取得了2，6-DNT在鲤鱼（全鱼）、肝及肠部的生物浓缩曲线。

In whole fish , 2,6 DNT rose rapidly , then reached steady state ( plateau curve ) .

除个别污泥处理的不同植物对有机氯农药和多环芳烃类（菲）的生物浓缩系数（BCF）小于1.0、多环芳烃类（苯并[a]芘）大部分小于1.0外，其余均大于1.0。

Except that the bioconcentration factors ( BCFs ) of some plants treated with sludge to OCPs , part of PA and most B [ a ] P were less than 1.0 , all the others were more than 1.0 .

研究了Ni2+、Hg2+和五氯酚对羽摇蚊幼虫的毒性和生物浓缩。

The toxicity and bioconcentration of Ni ~ ( 2 + ), Hg ~ ( 2 + ) and PCP to Chironomus plumosus larva are studied .

农药和其它有机化合物的水溶解度、正辛酸/水分配系数、有机碳吸附常数和生物浓缩因子等物化参数之间存在着明显的相关性。

The relationships among water solubility ( Sw ) , n-octanol / water partition coefficient ( Kow ), organic carbon sorption constant in soil ( K ∝) and bioconcentration factor ( Kb , or BCF ) of 147 Kinds of pesticides and other organic compounds were discussed in this paper .

生物在其体内浓缩稀少元素的能力十分显著。

The ability of life to concentrate rare elements within itself is really quite remarkable .

同时，重金属不能被生物降解，且具有生物积累的特性，可以通过水体食物链产生生物富集和浓缩效应，最终影响人类。

Meanwhile , heavy metal is non-biodegradable , and has the characteristics of bioaccumulation , it bio-accumulates and concentrates by water food chain and finally have an effect on humanity .

该系统中的生物相对于其所处水环境具有显著的富集痕量金属组分作用，生物体中Cu、Hg和As生物浓缩系数依次为1385、93和725。

The bioaccumulation factors of clams are 1385 for Cu , 93 for Hg and 725 for As .