河流凈化 的英文怎麼說
中文拼音 [héliújìnghuà]
河流凈化
英文
stream purification-
The pollution problems of the rivers and streams in that region have accordingly improved considerably in the past decade. however, as the base flow of local rivers and streams is generally small, their assimilative capacity is therefore low. this, coupled with the continued development and hence population growth in the river catchments, as well as the lack of maintenance of many private septic tank systems, has caused the water quality of some rivers and streams in the northwest new territories to remain unsatisfactory
而溪流的污染情況在過去的十年間亦因此而有所改善，但由於本地河溪的流速相當慢，河流的自凈能力相對偏低，而河溪的周邊不斷發展，人口持續增加，加上部分私人的化糞池系統欠缺打理，未能有效運作，所以新界西北仍有部份河溪水質未如理想。The artificially intensified water purification technologies applied to the water improvement of the polluted river at home and abroad are summarized herein, and then the technologies with good prospect of popularization in china, i. e. the gravel contact oxidation process and the ecological floating island, are emphatically expatiated with the analysis on the actual case
摘要綜述了現有國內外對污染河流人工強化凈水工程技術，並著重對在我國有推廣前景的礫間接觸氧化技術和生態浮島技術進行了闡述和工程實例分析。Purification of surface water nitrogen and phosphorus pollutants by zhalong riparian wetland
扎龍河濱濕地對地表徑流氮磷污染物的凈化作用The paper deals with the calculation methods of river diluting and self - cleaning water demand. optimal model is mentioned for the first time considering self - cleaning, sewage treatment extent and water fee, and the ecological water requirement is to be forecasted base on the change of sewage drainage in the near future. lastly, calculating procedure for ecological water requirement in south china is presented
著重研究了河流稀釋自凈需水量的計算方法，初步構建了考慮水體自凈與污水處理率及用水費用相結合的生態需水量優化模型，依據未來年份污水排放量的變化，預測生態需水量，並通過實例說明南方河流系統生態需水量的計算過程。At the edge of many lakes and rivers are saturated wetlands ? the swamps, bogs, and marshes ? that support myriad types of plant and animal life, prevent floods, retain sediments, and purify drinking water
許多河流湖泊的邊緣都是潮濕的土壤? ?沼澤、泥沼和濕地? ?那裡生長著各式各樣的動植物，是防洪、沉積物聚集和凈化飲用水的地方。Though hong kong has one of the best water systems in the world, long - term issues such as water reuse and management, deteriorating quality of water resources, pearl river water resources management, ecological management of east river, saline drinking water threat and sanitation technology should not be overlooked as industrialization and urbanization in the region increase
雖然香港擁有世界一流的供水系統，但隨著區內工業活動及城市發展高速增長，長遠來說仍需面對不少挑戰，如污水循環再用水源管理食水污染珠江河域水資源管理東江的生態環境管理食水受咸潮威脅及食水凈化技術等。Waste water must be cleaned before it runs into the river
廢水流入河裡之前必須凈化。To strengthen basins, non - point source pollution control, put the control into practice, build monitoring system online for pollution source, construct pollution treatment project, carry out research on oxygenation and direct - cleaning in lake or river, set up three gorges reservoir water pollution control laws and region regulations, deal with properly the ex - development between resource exploitation and environment prevention, and walk on the sustainable development road are important measures
針對已發生和潛在的水環境污染問題，提出了加強流域非點源污染的管理、實施總量控制、建立污染源在線監測系統、立項建設污染治理工程、開展河湖水域接觸氧化直接凈化技術的科研和實踐、制定《三峽庫區水污染防治法》地方法規、正確處理資源開發與環境保護協調發展的關系、走可持續發展道路等多項防治對策與建議。Article 9 relevant departments under the state council and local people ' s governments at various levels shall, when developing, utilizing, regulating and allocating water resources, make integrated plans for maintaining proper river flows, proper water levels of lakes, reservoirs and proper ground water tables, in order to retain the natural purification capacity of water bodies
第九條國務院有關部門和地方各級人民政府在開發、利用和調節、調度水資源的時候，應當統籌兼顧，維護江河的合理流量和湖泊、水庫以及地下水體的合理水位，維護水體的自然凈化能力。The main channel of shing mun river was slightly better, graded fair, but it suffered from the pollution load coming from its tributaries, and its self - cleansing capabilities were limited due to its very weak flow in the intertidal area
城門河主河道的情況稍好，水質等級為普通，但因受到支流污染物的影響，加上潮汐水流緩慢，凈化能力不足，因此當時城門河裡幾乎沒有水生物棲息。分享友人