人为污染

底泥中PAHs分布明显受人为污染源及水动力条件的影响，污染源集中排放区底泥中PAHs含量高，水动力强的部位PAHs含量低；

The PAHs distribution obviously was affected by man-made pollution sources and water driving force conditions .

尽管这些天热染料是无害的，但人为污染玷污了这些泉水的未来，这是佛罗里达人现在必须面对的现实。

While this natural dye is harmless , man-made pollution clouds the future of these fountains & a fact Floridians must now confront .

通过富集因子分析显示：Cu、Cr、Zn、Pb主要来源于人为污染。

Through enrichment factors analysis : Cu , Cr , Zn and Pb mainly originate from human pollution .

富集成分中，S、As、Zn、Pb等主要来源于人为污染源，Na则主要来源于海洋。

The enrichment elements , such as S , As , Zn , Pb are mainly released from anthropogenic sources , and Na is from the ocean .

显示河流表层沉积物中重金属Mn和排污河表层沉积物中Pb主要来源于外源污染&人为污染。

Display Pb comes mainly from the outside source pollution-man-made pollution in surface sediments from the river surface sediments in the heavy metals Mn and Sewage River .

周末O3、NOx浓度及NO2/NO有规律的增大，表明实验地点的大气受到人为污染源的影响。

The regular increases of O 3 , NO x , and NO 2 / NO at weekends indicate that observation site is influenced by anthropogenic pollution from the traffic .

受人为污染的影响颗粒物水溶性离子浓度冬季较高。受沙尘影响春季降水中的Ca￣（2＋）离子浓度高于其它季节。

The concentraction of water-soluble ions was higher in winter owing to man-made contamination and the concentraction of Ca ￣( 2 + ) ions in the spring rain water was higher than in other seasons as a result of sand-bearing wind .

目的探讨用防污染的PCR-ELISA（UDPE）技术检测人为污染的土壤和感染的动物标本的可行性。

Objective An anti contamination PCR ELISA technique ( UDPE ) was employed for direct detection of Yersinia pestis from artificially contaminated soil and infected mice .

全球变暖的主要原因是人为污染。

The main cause of global warming is human pollution .

这些元素是典型的人为污染元素。

All these are typically man-made factors of pollution .

说明流域内地表土层溶蚀及人为污染影响的增强。土层孔隙水属强矿化水，而湖水呈现过渡特征。

The soil pore water belonged to strong mineralized water and the lake water presented transitional water .

生物表面活性剂对天然沉积物中铅的去除率低于人为污染沉积物的去除率，为38.0%。

Lead in inartificial polluted sediment was more difficult to remove than it in artifical polluted sediment by biosurfactant .

在人为污染牛奶检测中，与传统细菌计数方法结果相比，相关系数为0.839。

The correlative coefficient was 0.839 between the PCR and conventional microbiology method applied in quantifying the experimentally contaminated milk .

IC卡公用电话由于受人为污染，使用者极易感染致病菌。

Since the IC card public telephones are artificially contaminated , the users are apt to be infected by pathogens .

人为污染元素和地壳元素的浓度均在冬春季较高，在夏季最低。

The concentrations of anthropogenic and crustal - elements were all higher in winter and spring while lowest in summer .

与之相比，泰山和衡山的大气污染物浓度则显著较高，明显受到了人为污染的影响。

In comparison , the concentrations of air pollutants at Mt. Tai and Mt. Heng are substantially high , indicating more influences from anthropogenic activities .

他说人为污染是印度底下水源受损的主要原因。地下水是数以亿计的印度人所倚赖的饮水和灌溉用水。

He says man-made pollution is one of the main contaminants of India 's groundwater , upon which hundreds of millions of Indians depend for consumption and agriculture .

二十世纪中后期以来，随着经济的持续快速发展和人为污染的日益严重，污染土问题越来越引起学者们的重视。

Since the mid-and-late twentieth century , with sustained and rapid economic development and the increasing man-made pollution , more attentions have been paid to soil pollution by many scholars .

人为污染主要影响土壤表层，以表层土壤中高锰为特征，其深层土壤中锰与无污染状态相似。

Of artificial pollution , it only impacted on the soil layers at surface and resulted in its high manganese , while the deep soil layers are similar to those without contamination .

污染转移的主要特点是：人为污染转移突出，转移对象和转移方式多样，污染转移主要由经济利益驱动。

The main features of pollution transfer are as follows , man-made pollution transfer is prominent , transfer objects and transfer method is diverse , pollution transfer is mainly driven by economic benefits .

因此，对控制这些湖泊的水质富营养化而言，控制氮沉降并不是目前最紧迫的任务，而其它人为污染源的控制才是最急需的。

As a result , to control water eutrophication of these lakes , it is not most urgent to control nitrogen deposition but to control the other sources of nitrogen pollution mentioned above .

但是，当今随着人类生态环境的日益恶化，世界可用淡水资源正在逐渐枯竭并普遍受到人为污染，全世界正面临着可用淡水资源短缺的威胁。

With the decreasing labefaction of our environment , the useable fresh water is facing pollution and becoming exhausted in the large-scale , and shortage is a threat to the whole world as well .

利用双向耦合的区域气候模式和大气化学模式系统，研究了中国与邻近地区人为污染排放引起对流层臭氧变化和产生的辐射强迫。

A coupling model of regional climate model and atmospheric chemistry model has been used to simulate increments of tropospheric ozone , radiation and climate effects of ozone which are caused by anthropogenic emission over China and the Indo-China Peninsula .

目前人们主要关注的是工、农业生产引发的人为污染土壤问题，而对由于自然因素本身或诱发的土壤环境污染问题给予的研究较少。

At present , people pay much attention to the artificial pollution soil problem produced by the industrial and agricultural production , but do very little research on the soil environmental pollution problem of natural factors or induced by them .

采用地积累指数法和富集因子法对炼铜厂区土壤重金属污染进行评价，结果表明：两种方法均能对人为污染行为做出较为科学的评价，且两种方法可得到相似的评价结果。

Assessment of heavy-metal contamination in soil of copper refining was conducted respectively by the method of index of geo-accumulation and enrichment factor . The result revealed that both methods could make a scientific assessment of contamination caused by human and could gain similar assessing conclusion .

本文着重分析黄山温泉的发育形成条件、泉水动态及特征，并就如何保护温泉环境，防止人为污染进行了初步的探讨。

The author has studied the conditions which forming these hot springs in Huangshan , the trends and the quality of the water , as well as making a preliminary research for how to protect the environment in the hot spring areas and how to prevent the polluting .

另外，还发现茶叶中La，Ce，Th，U含量之间有很强的线性相关性，并提出了一种判别茶叶是否受到人为Pb污染的方法。

Moreover , it was found that the contents of La , Ce , Th , U in all of tea samples well correlate with each other , and a method was proposed to evaluate whether or not tea was polluted by lead originated from human activities .

重金属污染、POPs、DECs等有毒有害人为化学品污染，大气人为硫源污染等一直是环境化学研究的主要内容，而二次污染、复合污染是环境科学探索的前言。

Heavy metal pollution , man-made chemicals pollution , such as POPs and EDCs , man-made sources of sulfur in the atmosphere are always the main research topics of environmental science . And secondary pollution and compound pollution are the frontier of environmental science .

好：厂房位置远离自然或人为的污染源。

Good : Plant situated away from natural or manmade sources of contamination .

昆士兰州的州总理安娜-布莱表示，人为的污染对“大堡礁”构成严峻的挑战。

Queensland Premier Anna Bligh says that man-made threats present serious challenges to the reef .