Based on a systematic-sampling of top-soil in Dexing Region,the present authors have investigated and determined the geochemical baselines of Cu,Pb,Zn,Cr,Cd,Hg,and As by means of normalization producer and assessed anthropogenic pollution by means of enrichment factor.
在系统采集德兴地区表层土壤样品的基础上,采用标准化方法确定了该区Cu、Pb、Zn、Cr、Cd、Hg、As的地球化学基线值,并采用富集因子对表层土壤的人为污染进行了地球化学评价。
To distinguish geogenic enrichment from anthropogenic pollution of heavy metals(Cd,Cu,Cr,Co,Ni,Zn,Hg,Pb,Mo,and As)in agricultural soils,32 sampling locations were selected in the coastal plain of eastern Zhejiang province.
Cd、Cu、Zn、Hg和Pb为主要污染元素,其耕作层含量明显高于心土层,可提取形态的比例较高;其中,Cd、Cu、Zn和Pb有相似的人为污染来源,而Hg有不同的人为污染来源。
In order to investigate the effects of humic acid on the various forms of Cr in synthetic contaminated soil, four kinds of soluble organic substances were added into polluted soil, and a method of successive extraction was cho- sen to determine the contents of different Cr forms.
选用人为污染土壤为供试样品,在土样中加入腐植酸,采用连续浸提法研究了腐植酸对污染土壤中有毒重金属铬离子不同形态的影响。
The main cause of global warming is human pollution.
全球变暖的主要原因是人为污染。
People should feel ashamed of polluting their environment.
人们应该为污染环境而感到内疚。
Everybody should make an effort to reduce pollution.
每个人都应为减少污染尽一份力。
Good: Plant situated away from natural or manmade sources of contamination.
好：厂房位置远离自然或人为的污染源。
Well, people have been worried about pollution caused by fuels like petrol and gas for a long time now.
很久以来，人们一直为汽油、柴油造成的污染担忧。
Some operations are criticized for their treatment of fish and the risk of pollution to waterways.
一些人因为鱼的待遇和水质污染而批评运营商。
someone who works to protect the environment from destruction or pollution.
反对破坏或污染环境为保护环境而工作的人。
STUDY ON THE MAN-MADE ENDOCRINE DISRUPTION COMPOUNDS OF MINERAL PROCESSING REAGENT OF NONFERROUS MINES
有色选矿药剂中的人为内分泌污染物研究
Since people are the major contributors to air pollution, people can also reduce the cause of air pollution.
因为人类是造成空气污染的主要原因，人类也可以减少空气污染的溯源。
What can you do to help prevent pollution?
你能为防止污染做什么？
The air pollution has become a big problem.
空气污染已成为大问题。
So far not a single environmental pollution accident has occurred in Tibet, and no acid rain has fallen in the Region, let alone any man-made radiation pollution.
西藏迄今未发生过一起环境污染事件，没有酸雨，更不存在任何人为放射性污染。
There the people-made pollutants increasingly surpass the ability of air and water to dilute the contaminants to safe levels.
在那里，人为的污染物质日益超越了空气和水将污染物分解稀释到安全水平的能力。
Serious pollution in big cities gives some cause for anxiety/concern/worry.
大城市的污染令人担忧。
transformation rate
转化率 (原生污染物转化为次生污染物的速度)
The virtual treatment cost was 788 million Yuan, amounting to 74.7% of the total pollution.
水环境污染损失为7.88亿元，占总污染损失的74.7％。
The significance of hair mineral analysis for assessing internal body burdens of environmental mineral pollutants
人发元素分析作为评价人体摄入环境污染物意义的研究
Some people think they have an answer to the troubles of dirty air in large cities.
有些人认为他们有办法解决大城市的空气污染问题。