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      eutrophication
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  富营养化
    Study on Phosphorus Societal Metabolism and Eutrophication Control Policy in China
    中国磷代谢与水体富营养化控制政策研究
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    Study on the Status and Characteristics of Eutrophication in the Yangtze River Estuary
    长江口水域富营养化现状与特征研究
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    A Simulation Model of Eutrophication Prediction for Reservoir Miyun, Beijing
    北京密云水库富营养化预测模型的研究
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    A Simulation Model of Eutrophication Prediction for Water Quality in Lake Xuanwu
    玄武湖水体富营养化水质预测模型的研究
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    STUDY ON EUTROPHICATION OF ERHAI LAKE
    洱海富营养化研究
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  富养化
    A method of evaluation of lake eutrophication was presented by means of fuzzy membership function in this paper.
    建立了利用模糊隶属函数进行湖泊水质富养化的评价方法。
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    The eutrophication of lakes destroyes the functionof water body and affects civilization and economy action of the Capital.
    湖泊的富养化破坏了水体功能,程度不同地影响着首都的文化和经济活动,应予治理。
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    The model is used to assess the eutrophication of Xiamen sea area and coastal waters in China,respective-ly.
    运用该模式分别评价了厦门海域及中国近海的富养化程度。
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    Conclusion The eutrophication of the headwater of Jianhu lake in Shaoxing is serious. Prevention measures such as controlling the pollution sources,strengthening synthetical governmnet,making long-effect controlling plans are suggested.
    结论 绍兴鉴湖水体富养化较为严重 ,据此提出控制污染源头 ,加强综合治理 ,实施长效管理等防制措施。
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  “eutrophication”译为未确定词的双语例句
    Application of Hamming Accessed Degree to Eutrophication Assessment of Lake
    湖泊营养状态的Hamming贴近度评价法
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    Metabolic Model of Plankton Communities in Eutrophication Classification in The Waters of Shanghai
    上海水体营养分级的群落代谢率模型
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    According to the evaluation mode of eutrophication and the organic pollution index,it is the middling phosphorus limit nutrient level in autumn 2004,basically,and the organic pollution degree remained the second level.
    根据营养化评价模式和有机污染指数计算结果,2004年秋季莱州湾水域营养水平基本属于磷限制中度营养水平,有机污染程度属2级,表明该水域开始受到有机污染。
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    Taking the mature biofilm technology of American AquaMats as a reference,the effects of improving the eutrophication water body by algae-bacterium biofilm with different materials or setting modes as carries was compared.
    以现已成熟的美国AquaMats生物膜技术为参比,比较不同材质或结构为载体的藻-菌生物膜技术改善富营养水体的效果。
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    A pilot-scale test was carried out,combining seven reaction ponds parallel,with continuous influent and effluent. As the device had obvious effect on eutrophication water pollution removal,the removal efficiencies of CODCr,TN,NH4-N and TP were 13.35%~58.6%,23.6%~65.8%,15.5%~72.9% and 16.8%~76.9% higher than those of control group.
    结果表明,采用生物栅技术的2~7号净化池的CODCr、总氮、氨氮、总磷的去除率较对照池分别提高了13.3%~58.6%、23.6%~65.8%、15.5%~72.9%和16.8%~76.9%,表明生物栅技术在污染物去除方面起到了重要作用.
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  eutrophication
       Since eutrophication has become increasingly severe in China, nitrogen and phosphorous have been the concern of wastewater treatment, especially nitrogen removal.
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       Discharge of wastewater containing nitrogen and phosphate can cause eutrophication.
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       The Synecological Approach to the Problem of Eutrophication
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       The Corg-rich unit formed due to a short-term abrupt increase in the productivity of phytoplankton related to eutrophication of water, probably, as a result of the recycling and redistribution of biophile elements.
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       The silting and eutrophication of the gulf waters resulted in a change in the composition and structure of the coral reef communities via the reduction or elimination of certain coral species.
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         Ya-Er Lake is located in the west part of E-Cheng county, Hubei Province. In the past it covered about 6000 ha (now 2000 ha) and was one of the main fish production district in the province. Since 1962 the lake was polluted by wastewater of a chemical plant which manufactured parathion, malathion, dimethaote and BHC. The aquatic ecosystem was ruined. About forty percent of fish population were of abnormal form. After the ecological surveys carried out in 1972—1974, the pollution control of Ya-Er Lake was st...
            鸭儿湖污染是通过氧化塘系统控制的。氧化塘系统,由四个串联氧化塘组成,总面积为2800亩,塘深3米,当废水量为7万吨/天时停留时间为80天。并利用净化后的废水培育鱼种(鱼种塘),通过菌—藻—浮游动物—鱼的相互作用,以鱼种形式回收部分营养元素。以解决在氧化塘沿岸的东西排灌渠12.8公里两岸人民的灌溉水和饮用水的污染问题。从1976年底氧化塘初步建成,四年运转结果表明:COD、有机磷、对硝基酚、对硫磷、马拉硫磷、乐果和六六六处理效果分别为77.3、82.5、99.3、98.7、98.4、92.9和86.2%。每天实际废水负荷为8万吨。1977年以来水生态系逐渐得到恢复,至1979年鱼的畸型率下降到0.1%。鱼体内(背肌)六六六残留从15—30毫克/公斤下降到0.155毫克/公斤,农作物中六六六的残留1979年比氧化塘建立之前降低了2.7—9.4倍。
文摘来源
         On the basis of morphological characteristics in degradation of the dominant plankters and macrophytes in Lake Donghu, Wuhan, Hubei Province, the content of particulate organic detritus(POD) from three sempling stations, which represent three different regions, i.e., a bay region, a pelagic zone, and a zone of luxuriant aquatic vegetation in the Lake was quantified according to the method adopted by Davis(1958) throughout the year 1980. The bits of organic detritus were considered as various geometrical sha...
            对武汉东湖三个采样点的颗粒有机碎屑现存量进行了测定,三个站的平均量(以dmm~3/l表示)分别为72,505、18,125和52,398,其现存量与湖水的pH值无关;与水温有一定的正相关,但这种关系是间接的。
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         In this paper, the effect of hydrochemistry character on hydrobios fauna and the relation between biological form and eutrophication were studied.Dealing with wu Liang Su Hai as a whale, there are 87 species of phytoplankton. 64 species of zooplankton, 12 species of zoobenthos. Number of species for eutrophication occupies absolute dominant position. Structure of various phyto-planktin groups are chlorophyto and cyanophyta and bacillariophyto. However, the cyanophyta is predominant species, it o...
            本文研究了乌梁素海水化学特点对水生生物区系的影响,生物区系特点与湖泊富营养化的问题。 发现湖泊中浮游植物87种,浮游动物64种,底栖动物12种。其中富营养型的生物种类占绝对优势,浮游植物群落结构为绿藻+兰藻+硅藻型,而兰藻为优势种,占各站优势种和次优势种属的46%;浮游动物中轮虫和原生动物合计占73%;底栖动物中羽摇蚊在十个站点中有六个的数量占90%以上。同时,湖水中营养成分N、P含量丰富,总磷和三氮的含量均已超出或接近日本规定的富营养化标准,表明湖泊已富营养化。 但是,BOD、DO、pH、矿化度、钾离子量和一价离子与二价阳离子数量的比例,可能尚不是湖中限制因子,故湖泊富营养化未达到严重的程度。
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