Based in the laboratory building the small aquatic ecosystem, purification effect of the eutrophication water by aquatic plants is researched.
该文通过在实验室构建小型的水生生态系统，采用水培方法，研究水生植物对富营养化水质的净化效应。
Has studied the Alternanthera Philoxeroides to the ultra eutrophication water body, eutrophication water body total nitrogen total phosphorus elimination ability and damps the algae effect.
研究了水花生对超富营养化水体、富营养化水体的总氮总磷的去除能力及抑藻效果。
The livestock sector is probably the largest source of water pollution, contributing to eutrophication, 'dead' zones in coastal areas and degradation of coral reefs.
畜牧业很可能是水污染的最大来源，造成富营养化、沿海地区出现“死区”和珊瑚礁退化。
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。
In this paper, the theory of grey situation decision is applied to eutrophication assessment of water, and the method is given with some examples.
本文将灰色局势决策原理应用于水质的富营养化评价，并给出了应用实例。
This paper reviewed some, recent progress in the assessment of water eutrophication, including model designing, application of trophic and biological indexes.
本文综述了近年来水体富营养化评价的一些进展，其中包括模型制作、营养和生物指数的应用。
Eutrophication of water quality of raw water results in algae multiply greatly, affects usual water treatment.
水源水质富营养化导致藻类繁殖，严重影响了常规水处理。
A new model for assessment of water quality eutrophication of lakes was established by using matter element analysis theory.
建立了利用物元分析理论进行湖泊水质富营养化评价的新模型。
Rural sewage was one of the reasons that caused rural water environmental pollution, and was an important factor in lake eutrophication.
农村的生活污水，是造成农村水环境污染的原因之一，也是造成湖泊富营养化的重要因素。
Red tide in oceans and Algae Blooms in fresh water bodies, as characteristic of eutrophication, appear frequently, which can bring fatal impact to entironment and society.
作为水体富营养化的重要表征，海洋赤潮和淡水水华的频繁爆发已对生态环境和人类社会带来严重威胁。
Ammonium and phosphate are important causes of the eutrophication of water.
氨氮和磷酸盐是水质富营养化的重要来源。
The prevention and cure of eutrophication are the most complex and difficult problems in the water treatment.
富营养化的防治是水污染处理中最为复杂和困难的问题。
Under natural conditions, lakes, rivers, and other water bodies undergo Eutrophication, an aging process that slowly fills in the water body with sediment and organic matter.
在自然条件下，湖泊，河流，和其他水体进行水体富营养化，老龄化的进程，慢慢地填满了水体与沉积物和有机物。
With the completion of the Three-gorge Project (TGP), the residence time of the water body will be prolonged, and the eutrophication within TGR will be aggravated.
随着三峡工程的全面完工，库区内水体滞留时间的进一步延长，三峡库区水体富营养化趋势将会进一步加剧。
Nitrogen may cause non_point pollution in water in forms of eutrophication in surface waters and high nitrate concentration in ground water.
氮素流入对水域的污染为非点源污染，主要导致地表水的富营养化、地下水硝酸盐含量过高等。
Critical load of nutrient nitrogen deposition for surface water is the highest nitrogen deposition never causing water eutrophication.
水体营养氮沉降临界负荷是不致使水体产生富营养化的最高氮沉降量。
Grey clustering method is applied to evaluate the eutrophication of wetland water, in order to established a superior evaluation system which is suitable for wetland eutrophication evaluation.
将灰色聚类法应用到湿地水体富营养化评价中，旨在建立起一套比较完善、适合于湿地水体富营养化的评价体系。
The problems faced by wetland are poldering reclamation, water pollution, eutrophication, water and soil loss, excessive utilization of biological resource due to history and human being.
由于历史和人为原因，湖北湿地存在的问题主要表现为围垦、富营养化、水土流失及其生物资源的过度利用。
Phosphorus release of soils in the drawdown area strongly affected eutrophication of water column.
消落区土壤磷素释放对水体富营养化有重要影响。
The paper introduces pollution of water bodies such as lakes in China and overseas, points out that phosphorus is the essential cause of eutrophication of water bodies.
本文介绍了国内、外湖泊等水体中的污染现状，指出了磷是引起湖泊等水体富营养化的根本原因。
The eutrophication of water is influenced by multi-factors, Some grey informations of which are not definite in eutrophication assessment of water.
水质富营养化受到多种因素的影响，其中有的因子信息是不明确的灰色信息。
The controlling of phosphorus has been to one of the key factors leading to the eutrophication of water bodies.
磷已经成为引起水体富营养化的关键控制因子之一。
This paper reviewed forming, harm and some recent progress in the control of water eutrophication.
本文就水体富营养化的形成、危害及其防治技术进行了综述。
It is very important that discharges of nitrogen and phosphors in wastewater are controlled to prevent eutrophication in water bodies such as lakes and rivers.
控制污水中氮和磷的排放，对于防治水体富营养化是十分重要的。
Therefore, grey elements play an important part in the eutrophication assessment of water.
因此，灰色因素在水质富营养化评价中起着十分重要的作用。
Therefore, grey elements play an important part in the eutrophication assessment of water.
因此，灰色因素在水质富营养化评价中起着十分重要的作用。
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