甲烷的排放，除了来自大自然，如海洋、永冻层和一些湿地外，也来自人为的污染。
Methane emissions are produced from natural sources such as oceans, permafrost, some wetlands, and also from human-made sources.
砷污染越来越成为一个严重的环境问题和社会问题，目前最为严重的正是人为的污染。
Arsenic pollution is becoming an more and more serious environmental and social problem. Now man-made pollution is the most severe.
鲸鱼正处于危险之中，因为有些人污染了它们的海洋家园，还有些人为了吃肉而进行捕杀。
Whales are in danger because some people make their ocean home dirty and others kill them for meat.
污染、农药、食品添加剂、人为致癌等一系列环境因素意味着我们失去了对自己身体的控制。这种意识人们在七十年代日益增多。
There was a growing sense in the 70s that a range of environmental factors - be it pollution, pesticides, food additives, man-made cancers - meant that we were no longer in control of our bodies.
这一怀疑污染了四个人为克格勃所做的工作。
这样的警告来自于一份全新的国际科学报告，它详细研究了气候变化与名为“持久性有机污染”的一系列人为有毒物质之间的关系。
The warning comes in new international study into the links between climate change and a class of man-made toxins called persistent organic pollutants.
据环保局统计，汞的主要来源是占国内人为排汞量40%的燃煤电厂污染物。
The leading source of mercury is pollution from coal-burning power plants, which accounts for 40% of all domestic anthropogenic mercury, according to the EPA.
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.
大多数城市都是人为的热和污染的源。
Most cities are anthropogenic sources of heat and pollution.
在加利福尼亚州的一支科学考察队利用无人驾驶的航空器来测量印度洋上空大气层中的热度。亚洲的这一部分常常被人为污染所形成的褐色云层所笼罩。
A scientific team in California used unmanned aircraft to measure heat in the atmosphere above the Indian Ocean, a part of Asia often blanketed by brown clouds of man-made pollution.
中国人历来都人为干预被归入“文化污染”类的外来的敏感事物，马里希说道。
"The Chinese historically have been concerned with those sensitive foreign influences that fall under the banner of 'cultural pollution'," Malish said.
环境污染的主要原因是人为造成。
厦门的岩鹭仅分布于东部海岸，该区域人为干扰和污染少，潮间带底质以砂砾、岩石为主。
The heron is only distributed in eastern coast of Xiamen which had less human activity and pollution, and its intertidal zone was rocky and sandy.
人为因素、成土母质和不同流域水质差异是造成广东典型区域农业土壤重金属污染的原因。
The heavy metals pollution in agricultural soil of Guangdong is mainly caused by artificial factor, soil parent materials and the diversity of water quality in different area.
电子废弃物拆解是导致的土壤和环境的重金属污染的一个重要人为因素。
Electronic Waste disassembling was an important factor causing soil heavy metals pollution.
可吸附有机卤化物(AOX)是人为污染的重要标志之一。
AOX (adsorbable organic halogen) was an important signal of artificial pollution.
全球变暖的主要原因是人为污染。
汞主要通过自然和人为排放而进入大气，其中燃煤排放是造成大气环境汞污染的重要因素。
The situation of mercury pollution is serious throughout the world, especially for the atmospheric mercury pollution caused by the combustion of coal.
中国商务部高级官员陈广龙（音译）在今年秋季宣布对污染企业进行打击时指出，中国出口商品价格被人为压低是因为这些工厂并不承担与污染相关的成本。
"Some enterprises are abusing the environment to lower export prices, " Chen Guanglong, a Ministry of Commerce official, said in announcing a crackdown on polluters this fall.
但由于种种自然或人为原因，管道泄漏事故时有发生，有时会伴随着巨大的生命财产损失和环境污染。
Sometimes, however, pipeline leakage takes place due to some natural or artificial damages. Leakage accidents may cause loss of life and properties along with environmental pollution.
当前对水体危害较大的是人为污染。
At present a greater hazard to the water body is man-made pollution.
农田排水是造成农业非点源污染的一个重要来源，由于其具有分散性而难以人为控制。
Agricultural drainage is one of important contributors of non-point source pollution, and it is difficult to treat in practice due to its dispersed nature.
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.
分析了水体污染程度与环境和人为因素的密切关系，对被污染水体的治理提出了有价值的建议。
Analysed the close connection of the level of water pollution with environment and human 's activity, the valuable suggestion was advised on how to administer the polluted water.
食品质量安全除受环境污染或天然存在外，还有很多是由于不法商人在食品生产加工中以次充好，人为造假，违章作业等造成的。
Apart from environmental pollution, there are many problems concerning food safety, for example, substitutes and fake product during processing, production against regulations, etc.
简述了人为因素及其特点。分析了船舶溢油事故的成因。从人为因素的角度提出防治船舶污染的思路。
Human elements is discussed, contributory factors of ship oil spill accidents is analyzed, and the solutions to prevent and cure pollution of ships are proposed.
由于该设备是密闭的恒压供水，完全保持了水源的水质卫生标注，由于不与空气接触，避免二次污染和人为破坏。
Since the device is sealed in the constant pressure water supply, Entirely keep the water quality sanitation tagging, Because do not contact with air, Avoid secondary pollution and vandalism.
PM的形成是由许多人为的因素或大自然自己散发出来的，也有污染物与空气产生相互反应而产生。
Many manmade and natural sources emit PM directly or emit other pollutants that react in the atmosphere to form PM.
PM的形成是由许多人为的因素或大自然自己散发出来的，也有污染物与空气产生相互反应而产生。
Many manmade and natural sources emit PM directly or emit other pollutants that react in the atmosphere to form PM.
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