This chemical pollution has two sources: the factories which dump polluted water directly into the river and the local community which dumps untreated human wastes into the river.
这种化学污染有两个来源：直接把污水倒进河里的工厂，和把未经处理的人类垃圾倒进河里的本地社区。
Phosphorus pollution comes from multiple sources, including fertilizer and manure that enter the water through runoff.
磷污染有多个来源，包括化肥和粪肥通过径流进入水源。
Free radicals also come from outside sources, such as smoking, environmental pollution, and synthetic chemicals that are added to our water and food. Some tips for living longer and anti-aging.
同时外界的因素也会产生自由基如抽烟环境污染还有那些添加在饮用水和食物里的人工合成化学物质。一些使你延缓衰老和更长寿的方法。
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.
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。
The major sources of water pollution can be classified as municipal, industrial, and agricultural.
水污染主要可分为城市水污染、工业水污染和农业水污染。
But lignin becomes one of the main pollution sources, coming from waste water in the paper-making factory.
它是造纸厂排出的废液中的主要成分，是主要的水污染源之一。
Rural domestic pollution is the leading pollution sources to degrade the water quality.
农村生活污染目前已成为影响水体环境质量的重要污染来源。
This paper evaluates the main pollution sources and status environment of water of Nanfeihe River being based on the pollution load method and set pair analysis.
本课题基于等标污染负荷法和集对分析对南淝河主要污染源以及水环境现状进行了评价。
The main pollution sources include: slag, sewage water, smoke, and tail gas.
主要污染物有矿渣，污水，烟气、尾气等。
Dyes and their effluent have become one of the main sources of water pollution, and are difficulty to be degraded by organism.
染料属生物难降解有机物，染料和印染废水已成为当前最重要的水体污染源之一。
Diffuse pollution is one of the important sources that cause the deterioration of water quality in city.
城市面源污染是我国水环境质量恶化的重要原因之一。
Water main pollutants generated by human activity caused, which includes industrial pollution, agricultural pollution and living most of the three sources.
水污染主要由人类活动产生的污染物而造成的，它包括工业污染源，农业污染源和生活污染源三大部分。
Through a spot investigation and water quality monitoring, an assessment for both the water quality and the pollution sources of Wulungu Lake is given in this paper.
本文通过现场考察及水质监测，评价了乌伦古湖的水质及污染源状况，还对水质的发展趋势进行了初步预测。
The quality of the sources water supplied to Shanghai city was deteriorated due to the heavy pollution of Huangpu River.
由于黄浦江水的严重污染，上海市水源水质恶化。
By monitoring the water quality and investigating the pollution sources in the harbor area, to assess the impact of these sources, the major pollutants are identified.
通过对连云港港口海域水质现状监测评价，发现了该海域的污染状况和主要污染物。
The proportion of non-point sources in water environmental pollution was greater than before, and farming activity was the most important factor in agricultural non-point sources.
非点源污染负荷在水环境污染中所占比例日益增大，而农业生产活动又是最大的非点源污染。
The pollution of potassium permanganate was caused by the point pollution sources mainly, e. g. the waste water from factories and urban families.
高锰酸盐指数主要是由点源污染引起，即工业废水和城镇生活污水的污染为主。
This article introduces the situation of water quality at sources, analyzes the major pollution sources and water environment issues, proposes countermeasures for environmental protection.
介绍了保山市水源水质情况，分析了主要污染源及水环境问题，提出了环保对策与措施。
In this chapter we discuss the sources of water pollution and the effect of this pollution on streams, lakes and oceans.
在本章，我们讨论水污染源及河流、湖、海污染的影响。
The technical key of total emission control is the response relationship between pollution sources and water quality object.
污染物总量控制的技术关键是污染源与水质目标之间的响应关系。
Oil field produced water is one of the most important sources of pollution associated with oil production.
采油污水是石油工业中的重点污染源之一。
Based on the historical and present monitoring data, the underwater topography, deposits, pollution sources and water environment quality of Kuncheng Lake of Changshu City were studied.
结合历史数据和现状调查，对常熟市昆承湖水下地形、沉积物、污染源和湖泊水环境质量现状进行了研究。
Rain water resources, pollution of water sources as mild, after a brief can be used to deal with domestic water and industrial water.
雨水资源作为轻度污染的水源，经过简单处理就可用于生活用水和工业用水。
At press time, the company has not yet found sources of pollution, while the Marine Corps Logistics Base near the town also was found in water 3 times higher than normal perchlorate.
截至记者发稿时，公司尚未找到污染源，而小城附近的美国海军陆战队后勤基地也在水源中查出高于正常值3倍的过氯酸盐。
To effectively improve water environment, the pollution control should be carried out just from water sources and comprehensive treatment measures should be taken.
为了有效地改善水环境的质量，污染控制应从源头开始并采取综合治理措施。
To effectively improve water environment, the pollution control should be carried out just from water sources and comprehensive treatment measures should be taken.
为了有效地改善水环境的质量，污染控制应从源头开始并采取综合治理措施。
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