• 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水生生态系统采用水培方法,研究水生植物富营养化水质的净化效应

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  • 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.

    研究水花生对营养化水体、富营养化水体的去除能力效果。

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  • The livestock sector is probably the largest source of water pollution, contributing to eutrophication, 'dead' zones in coastal areas and degradation of coral reefs.

    畜牧业很可能水污染最大来源造成富营养化沿海地区出现珊瑚礁退化

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  • 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.

    因此控制这些湖泊水质富营养化而言,控制沉降不是目前紧迫的任务,其它人为污染源的控制才是最急需的。

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  • In this paper, the theory of grey situation decision is applied to eutrophication assessment of water, and the method is given with some examples.

    本文灰色局势决策原理应用水质营养化评价给出了应用实例。

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  • 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一些进展其中包括模型制作营养生物指数的应用

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  • 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处理

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  • A new model for assessment of water quality eutrophication of lakes was established by using matter element analysis theory.

    建立利用分析理论进行湖泊水质富营养化评价模型

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  • Rural sewage was one of the reasons that caused rural water environmental pollution, and was an important factor in lake eutrophication.

    农村生活污水造成农村环境污染原因之一也是造成湖泊富营养化的重要因素

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  • 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.

    作为水体营养化重要表征,海洋赤潮淡水频繁爆发已生态环境和人类社会带来严重威胁。

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  • Ammonium and phosphate are important causes of the eutrophication of water.

    氨氮磷酸盐水质营养化重要来源。

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  • The prevention and cure of eutrophication are the most complex and difficult problems in the water treatment.

    营养化的防治水污染处理最为复杂困难问题

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  • 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.

    自然条件下湖泊河流其他水体进行水体富营养化老龄化进程慢慢地水体沉积物有机物

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  • 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.

    随着三峡工程全面完工库区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。

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  • Nitrogen may cause non_point pollution in water in forms of eutrophication in surface waters and high nitrate concentration in ground water.

    氮素流入水域污染为非点源污染,主要导致地表水的富营养化、地下水硝酸盐含量过高等

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  • Critical load of nutrient nitrogen deposition for surface water is the highest nitrogen deposition never causing water eutrophication.

    水体营养沉降临界负荷致使水体产生富营养化最高氮沉降量。

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  • 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.

    将灰色聚类应用湿地水体营养化评价旨在建立起比较完善、适合于湿地水体富营养化的评价体系

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  • 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.

    由于历史人为原因,湖北湿地存在问题主要表现为围垦富营养化水土流失及其生物资源过度利用

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  • Phosphorus release of soils in the drawdown area strongly affected eutrophication of water column.

    土壤磷素释放水体富营养化重要影响

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  • 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.

    本文介绍了国内湖泊水体中的污染现状,指出引起湖泊等水体富营养化根本原因。

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  • 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影响,其中有的因子信息明确灰色信息。

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  • The controlling of phosphorus has been to one of the key factors leading to the eutrophication of water bodies.

    已经成为引起水体富营养化关键控制因子之一。

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  • This paper reviewed forming, harm and some recent progress in the control of water eutrophication.

    本文水体富营养化形成危害及其防治技术进行了综述

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  • 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.

    控制污水排放,对于防治水体富营养化十分重要的。

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  • Therefore, grey elements play an important part in the eutrophication assessment of water.

    因此灰色因素水质营养化评价十分重要作用

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  • Therefore, grey elements play an important part in the eutrophication assessment of water.

    因此灰色因素水质营养化评价十分重要作用

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