电子束可以把污染物分解成不同的分子化合物，从而帮助清洁水质和空气。
Beams of electrons can help clean water and air by breaking down pollutants into different molecular compounds.
即使全国各地的火力发电厂已经开始行动减少空气污染物的排放，但是却带来另一个问题——水质污染。
Even as a growing number of coal-burning power plants around the nation have moved to reduce their air emissions, many of them are creating another problem: water pollution.
EWG的研究表明，国家应采取新的饮用水水质政策包括对更多的污染物作出限定标准以及把更多资金用于污染物防止措施上。
The EWG study says the nation should adopt new policies for drinking water that include regulating more contaminants and spending more money on measures that prevent pollution.
处理湿地的设计必须建立在水质目标和水中污染物来源的基础之上。
Designing a treatment wetland must be specific to the water quality target and the pollution source of the water.
从对藻毒素和微量有机污染物的去除方面考察了水生植物滤床（HFB）在改善源水水质方面的效果。
The functions of the hydrophyte filter bed(HFB) for improving source water quality were surveyed in terms of microcystin and trace organic pollutants.
本文阐述了佳木斯地区地表水水质污染情况，并对主要污染物进行了动态分析、评价。
The paper expounds pollution condition of surface water of JiaMuSi area, and makes assessment and dynamic analysis of main pollutants.
通过对水质的监测，分析了沈阳浑南人工湿地示范工程对生活污水中污染物的去除效果。
The effect of Shenyang Hunnan demonstration constructed wetland on the removal of pollutants in domestic sewage was analyzed through the water quality monitoring.
通过模拟均匀流场中的污染物迁移，得出模型对于求解水质问题具有相当高的精度。
The simulation of the pollutant transportation in the uniformity velocity field, indicates the model has reach a rather high precision facing the water quality problem.
道路径流水质特点以及污染物控制情况对道路集雨灌溉实现起着至关重要的作用。
The water quality characteristic of urban road runoff and the situation of pollution control play important roles in the realization of the road rainfall harvesting irrigation.
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。
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.
污水处理厂的进水水质还与污染物在管渠中的降解有关，因此本课题也研究分析了污水在管道与明渠中的降解情况，确定了相应的降解常数。
The wastewater quality is also related to the pollutant's degradation. Through analyzing the degradation in the trench and in the drainpipe, we get the degradation constant.
结果表明，南淝河流域水环境质量总体较差，有机污染物是造成南淝河水质污染的主要原因。
The results showed that the water quality in the whole basin was not good, and organic pollutant was the main cause of the water pollution in the South Feihe River.
本文依据水环境容量计算结果，制定了河道污染物削减目标，并提出一些水质保障的措施。
On basis of the result on water environment capacity, the thesis also set up the target to reduce the pollution in the river and gave some proposals on water quality protection as well.
模拟结果可为胶州湾水质管理、入海污染物总量控制提供依据。
The simulated results provide the evidence for the management of Marine environment quality, and the total mass control of pollutants in Jiaozhou Bay.
空气中有一些不可避免的污染物，不幸的是，它们会被累积在鱼缸内造成水质变化（如养殖水变色；
There are pollutants in the air that can't be avoided, and unfortunately they tend to accumulate in the fish tank which is unhealthy for the fish.
在这一章，我们首先检查水质量的基本度量标准和各种污染物的意义。
In this chapter, we first examine the basic measures of water quality and the significance of various pollutants.
固相萃取技术非常适用于环境水质中痕量有机污染物的监测分析。
SPE (solid phase extraction) as a technique of sample pretreatment for aquatic environmental pollutants analysis is reviewed.
采用静态和动态试验方法研究了小清河底泥污染物释放对其水质的影响。
The impact on the clean water quality by discharging of pollutant of Xiaoqing River sludge were studied in this paper.
水质模型是水体污染物迁移转化模拟的主要工具，在水环境保护、水污染防治等领域得到了广泛地应用。
Water quality model is a key tool of water pollutant transport and transform simulation. It is widely used in the field of water environment protection and water pollution prevention and cure.
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。
The technical key of total emission control is the response relationship between pollution sources and water quality object.
结果表明：河道水质在净化后，通过引水或充氧使河道保持一定的溶解氧，可有效抑制沉积物中有机物、氨氮等污染物的释放。
The result showed that, after the river water was purified, release of organic, ammonia etc can be inhabited by drawing fresh water or aeration to improve DO concentration in river.
研究水库中污染物的运动规律对于加强水库供水水质管理，保障水库供水安全非常重要。
The study of the transportation of the pollutant in the reservoir is very important to enhance the water supply quality management and the water supply security of the reservoir.
通过试验研究，达到了去除水中有机污染物、消毒副产物的前体物，提高饮用水水质的目的。
Experimental research through to the removal of organic pollutants in the water, disinfection by-products of the precursors to improve the quality of drinking water.
分析了合成氨废水的水质和主要污染物。
Water quality and pollutant of wastewater in synthesis of ammonia is analysed.
依据龙洞河地表水质监测数据，客观分析了龙洞河水质污染现状、主要污染物。根据污染特征，提出了相应的防治措施。
Based on surface water quality data, this paper objectively analyzed the pollution status of Longdong River. And the control measures were put forward in accordance with pollution characteristics.
利用将水体中的污染物作为保守物质的水质模型，通过数值模拟，计算得出的博斯腾湖湖水矿化度与实测资料基本吻合。
A water quality model considering pollutants as conservative materials is presented, and the numerical simulation results of salinity in Bosten Lake are found agreeable with the measured results.
傍河取水是常见的地下水供水形式之一，但水源地的水质常常受到河流污染物的威胁。
The pumping of groundwater beside the river is one of the common types of groundwater supply. Nevertheless, the water quality is commonly threatened by pollutants in the river.
科学家指出，树木可以滤去土壤和地下水中的污染物，从而改善了农场周围的水质。
Scientists say the trees can also improve water quality around farms by removing pollutants from soil and groundwater.
科学家指出，树木可以滤去土壤和地下水中的污染物，从而改善了农场周围的水质。
Scientists say the trees can also improve water quality around farms by removing pollutants from soil and groundwater.
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