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endogenous pollution
相关语句
  内源污染
     With the help of the integrated demonstrational project of the improvement of the aquatic environment quality in Suzhou, the biomanipulation effect of fish was studied to find biologic controlling technology to improve the aquatic environment quality in city and solve the endogenous pollution of water.
     本论文依托国家十五重大科技专项“苏州市水环境质量改善与综合示范项目”,开展了鱼类生物操纵试验研究,旨在寻求一种生物调控手段改善城市水环境质量,减轻水体的内源污染问题。
短句来源
     After comprehensive harnessing the outside pollution had been effectively controlled,the endogenous pollution which was caused by polluted sediment would be become main nutritional load.
     经综合治理其外源污染得到有效控制后,内源污染可能成为湖泊营养物的主要负荷。
短句来源
  相似匹配句对
     The pollution
     通常克服电磁污染的方法有屏蔽和吸收。
短句来源
     The Environment Pollution and Endogenous Population Growth
     环境污染与内生人口增长
短句来源
     A stochastic endogenous growth model with pollution
     一个带有污染的随机内生增长模型
短句来源
     Noise Pollution
     Noise Pollution(高一适用)
短句来源
     and the uncertainties are endogenous.
     以及不确定性来源的内生性等问题。
短句来源
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Sediment dredging is the main technical measure to clean out the endogenous pollution in rivers and lakes.It has important meaning to working out the dredging scheme.Dredging depth,dredging mode,dredging equipment and the treatment of sediment must be scientifically analyzed,then the aim of improving aquatic environment will be really fulfilled,the objective to ameliorate the water environment by dredging will be actually achieved,the condition of further restore a well water ecosystem is founded.The disadvantageous...

Sediment dredging is the main technical measure to clean out the endogenous pollution in rivers and lakes.It has important meaning to working out the dredging scheme.Dredging depth,dredging mode,dredging equipment and the treatment of sediment must be scientifically analyzed,then the aim of improving aquatic environment will be really fulfilled,the objective to ameliorate the water environment by dredging will be actually achieved,the condition of further restore a well water ecosystem is founded.The disadvantageous effect and the possible cause of badness by dredging make a definite analysis too.

底泥疏浚是清除江河湖库内源污染的重要措施,其疏浚方案的制定有其重要的内涵,应对疏挖深度、疏挖形式、疏浚设备、底泥处置等问题给予科学的分析,真正实现通过疏浚改善水环境的目标,并能为进一步修复和重建良好的水生态系统创造条件。对疏浚可能带来的不利影响及疏浚效果欠佳的可能原因等进行了一定的分析。

Special physical geography environment and unreasonable man-made exploiture of rivers and lakes result in a serious sedimentation,but water pollution is gradually exposed with economic rapid development.Dredging bottom sediment which is universally used,is an important measure to improve the condition of flood discharge、to increase the volume of lakes、to clean out an endogenous pollution、to meliorate water environment and to renew a water ecosystem.But the technical and the cost of bottom mud dredging...

Special physical geography environment and unreasonable man-made exploiture of rivers and lakes result in a serious sedimentation,but water pollution is gradually exposed with economic rapid development.Dredging bottom sediment which is universally used,is an important measure to improve the condition of flood discharge、to increase the volume of lakes、to clean out an endogenous pollution、to meliorate water environment and to renew a water ecosystem.But the technical and the cost of bottom mud dredging is high,and there is also a definite influence and venture to the water environment.Therefore,it is very necessary to analyze and discuss the design principles to dredge scheme,and the main technology problems must be appropriately solved.Some valuable referenced solutions of dredging projects are given.

特殊的自然地理环境和人为的不合理开发利用,导致江河湖库淤积严重,而伴随经济快速发展产生的水环境污染问题也日渐突出.污染物质随泥沙沉积,构成了江河湖库的内源污染.底泥疏浚是改善河道行洪条件、增加湖库容积、清除内源污染、改善水环境、恢复水生态的重要措施,得到了普遍应用.但由于底泥疏浚技术要求高、疏浚成本也比较高,疏浚过程中对周围环境有一定的影响,也存在着一定生态风险.因此,很有必要对疏浚方案的制定原则与必须妥善解决的关键技术问题进行分析与探讨,文中也给出了一些可供疏浚工程决策参考的结论.

Shuanglong Lake was a shallow Lake in the urban city that had been a serious tipical eutrophic Lake.After comprehensive harnessing the outside pollution had been effectively controlled,the endogenous pollution which was caused by polluted sediment would be become main nutritional load.As for this,it was important to ascertain the releasing regularity of nitrogen which was the restrict nutrient of the Lake,to rehabilitate and maintain water quality,and to provide the scientific foundation for harnessing...

Shuanglong Lake was a shallow Lake in the urban city that had been a serious tipical eutrophic Lake.After comprehensive harnessing the outside pollution had been effectively controlled,the endogenous pollution which was caused by polluted sediment would be become main nutritional load.As for this,it was important to ascertain the releasing regularity of nitrogen which was the restrict nutrient of the Lake,to rehabilitate and maintain water quality,and to provide the scientific foundation for harnessing the Lake's endogenesis pollutes and protecting the enviroment.The effects of marked environmental factors(Temperature,DO,pH and water dynamic) on the release of nitrogen have been analyzed in the laboratory,the result shown temperature,DO,pH and water dynamic total were the remarkable affecting factors in Nitrogen Releasing by the orthogonal experiment,the order of marked factors was Temperature>DO>pH>water dynamic.

双龙湖是浅水型城市湖泊,一度为重富营养化湖泊。经综合治理其外源污染得到有效控制后,内源污染可能成为湖泊营养物的主要负荷。研究双龙湖限制性营养元素——氮在底泥的释放规律,对修复水体、保持水质具有重要意义,为湖泊内源治理、水环境保持提供科学依据。本文试验分析双龙湖环境因子(温度、pH值、溶解氧、水动力)对底泥总氮释放的影响;通过底泥正交模拟试验测定分析认为温度、溶解氧、pH值、水动力均是影响双龙湖底泥氮释放的显著因素,显著性排序依次为温度>溶解氧>pH值>水动力。

 
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