生物蓄积

持久性有机污染物（POPs）具有持久性、生物蓄积性、半挥发性和高毒性等特性，已在全球各环境介质广泛存在，并沿食物链富集于生物体以及人体内。

Persistent Organic Pollutants ( POPs ) with persistence , bioaccumulation , semi-volatility and highly toxic properties , have been found in various environmental media on a global scale , which can be enriched and accumulated in biota and human body along food chain .

因为有机氯化合物具有毒性，持久性，生物蓄积和大气远距离迁移能力，已引起全球关注。

Persistent organochlorine compounds have aroused global concern , because of its toxicity , persistence , bioaccumulation and long-distance transfers .

人体通过污染的空气、水体及食品可摄入PCP造成生物蓄积，危害健康。

Bioaccumulation , which does harm to health , results from intaking contaminated air , water and food by pep .

PFCs具有持久性、生物蓄积性和生物毒性，广泛存在于自然水体、沉积物、动物以及人体内。

PFCs are persistent , bioaccumulated and toxic chemicals , and ubiquitously distributed in water , sediment , human body and biota .

因生物蓄积作用，BDE-209在血液中的浓度还将继续升高。

Due to its biological accumulation effect , the concentration of BDE-209 in the blood will continue to rise .

内分泌干扰物（EDCs）具有很强的毒性和生物蓄积性，可通过饮用水和食物链富集来干扰动物和人类的内分泌系统。

EDCs have a strong toxicity and bioaccumulation , and can be enriched through the food chain and drinking water to interfere with the endocrine system of animals and humans .

持久性有机污染物（POPs）是人工合成的一类具有高毒性、持久性、生物蓄积性的化合物，能通过大气进行长距离迁移、沉积，会对环境和人类健康产生有害效应。

Persistent organic pollutants ( POPs ) are a class of synthetic compounds , have highly toxic , persistent , bioaccumulative , can migrate long distances by the atmosphere , at last deposited in the environment , which may have a harmful effect to human health .

己烯雌酚在斑马鱼胚胎中的生物蓄积及毒性机制研究

Bioaccumulation and Toxicity Test of Diethylstilbestrol to Zebrafish ( Danio rerio ) Embryo

因此我们可以推断：冰河期产生的目的一定是为地球上的所有生物蓄积足够的淡水。

So we can infer that the aim of the periodicity of Ice Age is to store up fresh water for all living things on the earth .

阿特拉津在土壤中的持留期较长并具有生物蓄积性，对粮食和食品安全构成潜在威胁。

For atrazine could exit in soil for a long time and enrich in organism , it would bring about potential threaten on the safety of food .

痕量有机污染物因为具有长期残留性、生物蓄积性和高毒性，对生态和人类健康的危害很大，因此引起人们的广泛关注。

Trace organic pollutants are harmful to the ecology and human health because of the characteristics of its long-term remains , its organic save-up and its high toxicity , so this problem has aroused concern widely .

有机氯农药是环境优先控制的持久性有机污染物之一，具有难降解性、半挥发性、生物蓄积性和高毒性等特征，对人类健康和环境的危害极大。

Organochlorine pesticides are known as one class of environment priority pollutants . They have the characteristics of refractory , semi-volatile , bioaccumulation and high toxic , which could bring great harm to human health and environment .

概述了近年来多溴联苯醚环境行为与特征的研究进展，着重评述多溴联苯醚环境持久性与生物蓄积性、迁移与分布以及环境降解性。

This paper summarizes the current research progress of the environmental behavior and characteristics of PBDEs , comments on their environmental persistence and bio-accumulation , migration and distribution as well as environmental degradation , and explains the effects of PBDEs pollution on human health .

岩黄芪属3种固沙灌木或半灌木生物量蓄积特性研究

Study on Biomass Accumulative Characteristics of 3 Sand-Fixing Species of Hedysarum

塔落岩黄芪和细枝岩黄芪植株生物量蓄积特性及产量估测模型

Hedysarum Biomass Accumulation and Yield Estimation

结果表明：天然水体生物膜中蓄积的金属元素主要为Al、Fe、Ca、Mg、Mn等；

The results show the main metal elements in the biofilm are Al , Fe , Ca , Mg and Mn .

所建模型克服了将森林生物量与其蓄积量之比作为常数的不足，并考虑了林龄对于森林生产力的影响。

These models take into account the change in the ratio of forest biomass and volume with the stand age and the effect of stand age on forest NPP .

利用2003年河南省森林资源清查资料，建立不同优势树种生物量与蓄积量之间的回归方程，对河南省森林的碳储量进行了推算。

Based on the data of forest resources inventories of Henan Province in2003 , forest biomass carbon storage is estimated using regression equation between biomass of various tree species and volume .

各树种的单木生物量与胸径和树高之间均存在着紧密的相关关系；各种林分乔木层生物量与林分蓄积量，与林分平均胸径、平均树高及密度之间相关关系紧密。

Biomass of tree as well as stand volume are closely related with the average trunk diameter , average tree height and stand density .