生物累积

深圳湾海域多溴联苯醚（PBDEs）生物累积及其高分辨沉积记录

Bioaccumulation and historical deposition of polybrominated diphenyl ethers ( pbdes ) in Shenzhen Bay

这些农药具有毒性以及生物累积性，通过生物链传递最终严重危害人类健康。

They possess high toxic and bioaccumulation ; which are eventually hazardous to human health through the food chains .

目前有关持久性生物累积性有毒污染物（PBT）对生物体的毒性作用及机理是人们关心的重要课题。

Studies on Environmental Toxicology recently focus on the toxic function and mechanism of persistent bioaccumulative toxic pollutants ( PBT ) on organism .

POPs具有环境持久性、生物累积性、半挥发性和高毒性的特点，是对人类健康及环境造成有害影响的化学物质。

With the characteristics of environmental persistence , bioaccumulation , semi-volatility and high toxicity , POPs are harmful chemicals to human health and environment .

板栗、商陆对Cd和Mn的生物累积系数和生物转移系数均大于1，表现出很强的富集能力，适用于锰矿区废弃地的生态恢复。

Both Biological Accumulating Coefficient and Biological Transfer Coefficient were larger than 1 for Castanea henryi and Phytolacca ( acinosa ), indicating these two species are good for the ecological restoration of manganese mine wasteland .

OCPs在生物累积中表现出脂溶性的特征，生物体内脂含量越高，其OCPs含量也越高；

OCPs bioaccumulation was found to have a liposoluble characteristics , the higher lipid content in organism the more OCPs accumulating in organism .

持久性有机污染物（POPs）由于其具有长期残留性、生物累积性、半挥发性和高毒性等特性，已经成为最受关注的环境污染物之一。

Because of the characteristic of long-term residual , bioaccumulative , semi-volatile and highly toxic properties , persistent organic pollutants ( POPs ) has become one of the most controversial environmental pollutants .

疏浚物中有机锡的生物累积效应研究

Study on the bio-accumulative effect of organic tin in dredged materials

持久性生物累积性有毒污染物与国际相关控制策略和行动

Persistent Bioaccumulative Toxic Pollutants & Related International Policies and Activities

大亚湾海域典型有机氯农药生物累积特征及变化因素研究

Study of typical organochlorine pesticides bioaccumulation and influence factors in Daya Bay

二恶英、呋喃和金属具有持久性并可在环境中生物累积。

Dioxins , furans and metals are persistent and bio-accumulate in the environment .

施肥对镉胁迫下小白菜生理生化特性和生物累积的影响

Effects of Cadmium on Physiological and Biochemical Characteristics and Accumulation of Pakchoi in Different Fertilizing

本溶剂可进行生物累积作用。

The solvent can be bioaccumulated .

食物链的生物累积效应

Biologically cumulative effect in food chain

汞因其具有持久性、生物累积性和神经毒害作用，目前已经引起了较为广泛的关注。

Mercury , due to its persistence , bio-accumulation and neurological toxicity , has received tremendous attentions .

在各种污染物中，由于有机污染物具有毒性大、难降解且具有生物累积性等特点，危害最为严重，是重点关注对象。

Organic pollutants attracted the most serious primary focus due to its high toxicity , hard degradable and bioaccumulative .

汞由于其持久性强、易于挥发且具有生物累积性，已经成为污染防治的重点。

Due to strong persistence , volatility and bio-accumulation , mercury has become the focus of pollution prevention and control .

筑坝拦截形成的水库环境被证实为有利于汞活化、甲基化和生物累积的场所。

Reservoirs formed by damming are the environment which found to be conducive to the activation of mercury , methylation and bioaccumulation place .

盐度对海洋生物累积134Cs有明显的影响，这种影响可用指数函数来表达.由于拮抗作用，盐度能抑制海洋生物对134Cs的累积；

The salinity can obviously effect the accumulation of 134 Cs by marine life . The effect can be described by an exponential function .

同时，由于有着良好的脂溶性，它们很容易通过食物链传递而生物累积到动物和人体中。

At the same time , by food chain transfer they are easily bioaccumulated to animal and human bodies for their good fat solubility .

二恶英（PCDD/Fs）是一类具有半挥发性、生物累积性、持久性和毒性的污染物。

Dioxins ( PCDD / Fs ) are a common name of a group of pollutants that are semi-volatile , bioaccumulative , persistent and toxic .

汞的污染由于其易挥发、易生物累积且持久性强等特点而日益成为大气污染治理领域的研究重点。

Mercury pollution has become one of the major environmental issues in the air pollution control because of its volatility , persistence , and bioaccumulation .

重金属由于生物累积性强、环境危害性大，成为当今研究的热点问题之一。

Due to a strong bioaccumulation effect , the heavy metals are very harmful to the environment , which is one of the hot research issues .

但痕量不意味着污染性小，这些有机污染物有较强的生物累积性，会一点点的侵蚀海洋环境和人体健康。

Trace-level do not mean small capability to contaminate . These organic pollutants mostly have strong bioaccumulation . Ocean environment and human health are invaded step by step .

土壤形成的主要特点是与水热条件相联系的强烈的淋溶过程和明显的淀积粘化过程以及在植被影响下的旺盛的生物累积过程。

The major characteristics of the soil formation are heavy leaching and distinct illuvial-clayization conditioned by heat and water , and vigorous organic matter accumulation affected by the vegetation .

在此基础上，探讨了重金属元素经食物链产生的生物累积放大作用对位于食物链最高营养级鸟类生存所构成的潜在威胁，从而为珍稀水禽保护及管理措施的制定提供一些依据。

The influences of bioaccumulation on the aves on the top of food chains were discussed aiming to provide some inferences for the protection and management of endangered waterfowls .

氯苯类有机物在环境中广泛存在，由于其具有不同程度的毒性，生物累积性和持久性，对环境和人畜健康具有潜在危害。

Chlorobenzene is existed in environment , is one kind of pollution with more toxicity and bioaccumulation and persistence , had more harmful to the health of people and livestock .

有毒有机污染物虽然在水中含量甚微，却因其生物累积性和三致效应而对人体健康构成潜在威胁。

Though the toxic organic pollutants are trace quantity in aquatic system , they cause potential hazardous effects on human health because of their high degree of biocumulatiori and carcinogenic .

因此，在浓度很低的情况下就能引起上述海洋生物累积性中毒或引起可怕的生殖逆向性变化。

Therefore , the organotin compounds can cause the accumulation poison to halobios mentioned above or the terrible reversible change of procreation even at very low concentration of TBT and TPT .

结果表明，氮素的输入能够提高沼泽湿地碳的生物累积，但过多的氮素输入则引起植物生产力的降低，并对常年积水沼泽湿地有机物质的分解有抑制作用。

The results shown that nitrogen input can increase bioaccumulation of carbon in the swamp , however , too much nitrogen input will reduce plant growth rate and prevent organic matter decomposition of flooding mire .