面源 的英文怎麼說

中文拼音 [miànyuán]
面源 英文
surface source
  • 面 : Ⅰ名詞1 （頭的前部; 臉） face 2 （物體的表面） surface; top 3 （外露的一層或正面） outside; the ri...
  • 源 : 名詞1. （水流起頭的地方） source （of a river）; fountainhead 2. （來源） source; cause 3. （姓氏） a surname
  1. Point source pollution and non - point source pollution are always the two important problems of the water environmental quality. point source pollution mainly includes industrial sullage and city ' s life sullage, which are drained from the certain outfall

    點源污染和面源污染一直是水環境質量的兩大問題，點源污染主要包括工業污水和城市生活污水，通常在排污口集中排放。
  2. Agricultural non - point source pollution has become a majority of water contamination

    農業面源污染因其對水體污染的普遍性而日益受到重視。
  3. The industry, residential point source along the river and phosphorus mine non - point source are of great water pollution load

    確定庫灣周邊的工業、生活污染點源，磷礦面源是構成水污染的主要負荷。
  4. However, if the plane of the selector aperture is not precisely coplanar with that of the first image, then diffracted rays originating from outside the area defined by the aperture may contribute to the diffraction pattern

    然而，如果選擇孔的平面與第一次成像不是正好共面，源自孔指定區域外部的衍射線可能影響衍射模型。
  5. Building non - point source pollution spatial database of the three - gorge reservoir area can not only know about the background, status and rule of non - point source pollution and assessing non - point source critical area and calculating pollution load but also provide the scientific dependent for bringing forward quantity control goal and establishing control stratagem of non - point source pollution of the three - gorge reservoir area

    建立三峽庫區農業面源污染空間數據庫不僅可以查清三峽庫區農業面源污染的背景狀況、現狀、規律和三峽水庫水體污染現狀及其容量，進行危險性評價，確定三峽庫區水體的污染負荷，而且可以為提出三峽庫區面源污染物總量控制目標並制定三峽庫區農業面污染控制戰略提供科學依據。
  6. Aquatic macrophyte vegetation restoration in multipond wetland systems and its control on nonpoint source pollution

    多水塘濕地系統中水生植被恢復及其對面源污染的截留作用
  7. Based on investigating numerous references in literature both at home and abroad, collection of statistical data and field survey, this paper conducts a primary study on pollution control of agricultural non - point source by means of riparian buffer in shanghai for the first time

    本研究選取了上海松江泗涇鎮古樓村為示範區，從2002年4月到2003年12月，在上海首次進行了農業面源污染控制的濱岸緩沖體系的初步研究。
  8. In the present paper, a complete attribute and spatial database on anpsp is designed and created in three different levels of scale, hang - jia - hu plain ( 1 : 250000 ), pinghu city ( 1 : 50000 ), and field experiment ( 1 : 2000 ). based on the gis technique, especially webgis technique ( arcims, arcsde ), an agricultural non - point source pollution information system ( anpspis ) has been established in order to serve the management, planning and decision - making of anpsp in hang - jia - hu water - net plain

    本文以太湖流域杭嘉湖地區的1 250000 （杭嘉湖平原） 、 1 50000 （平湖市） 、 1 2000 （樣板區）三種不同比例尺的系統研究為例，建立了一整套農業面源污染的屬性和空間數據庫，通過利用gis及其相關技術，特別是webgis技術（ arcims 、 arcsde ）的應用，建立了一個基於webgis的農業面源污染信息系統（ anpspis ） 。
  9. For pollution prevention and remediation, countermeasures are proposed as follows, pollution source control, clean production, construction of more sewage treatment plants and related pipe structures, ecological agriculture enhancement and non - point pollution control, protection region construction in turbid areas

    因此，對流域污染提出防治措施：從源頭控制污染，推行清潔生產；增建污水處理廠及配套管網；發展生態農業、加快治理面源污染；建設濕地保護區等。
  10. Water quality sampling of the wells began in april 2002 and proceeded approximately monthly through december 2003. by the means of soil and vegetation treatment system, riparian buffers are established between field agriculture and stream in order to reduce contamination flowing stream

    通過探索性示範研究，在大田農業與受納水體之間許建立濱岸緩沖帶，利用土壤?植被處理系統的方式，削減農田面源污染物質進入水體的污染負荷。
  11. Based on the study on the current instance of agricultural environmental quality and safety in chongqing city, we put forward that : make the best of the environmental resources, carry on the layout of agriculture production, and adjust the agricultural structure ; strengthen ecoenvironmental protection and pollution control in the outskirts of the city ; reasonably apply pesticides and fertilizers in order to avoid agriculture products being polluted by them ; strengthen the construction of monitoring system of agricultural environment and agriculture product quality and safety in the whole city, and develop early warning monitoring ; strengthen non - point pollution control in the three gorges reservoir area ; and conduct more researches on controlling of priority pollutants in agricultural environment

    摘要對重慶市農業環境質量安全現狀進行了研究分析，提出了充分利用環境資源比較優勢，進行農業生產布局和農業結構調整；加強城郊區農業生態環境保護和污染的治理；合理施用農藥化肥，防止農產品農藥殘留和硝酸鹽污染；加強全市農業環境與農產品質量安全監測體系建設，開展預警監測；加強三峽庫區農業面源污染防治；進一步開展農業環境優先污染物的控制研究等防治對策。
  12. Hang - jia - hu water - net plain is the primary grain production base of zhejiang province. with a high population and intensive land utilization, agricultural non - point source pollution is extremely serious in this region. animal wastes, household cleaning products, farmland runoff and leakage mainly contribute to the anpsp

    杭嘉湖水網平原地區是浙江省主要的商品糧基地，土地利用強度大，人口稠密，農業面源污染嚴重，其中畜禽糞尿、生活污染、農田徑流和滲漏是該地區三大主要的農業面源污染源。
  13. Choice of government concerning the controlling of rural plane source pollution

    農村面源污染治理的政府選擇
  14. Little is known about how to control anpsp due to lack of the related theory and practical experience. especially there is no satisfactory measure to reduce the runoff and leaching of n and p from agriculture into rivers and lakes. it ' s very significant in both theory and realism to reduce agricultural non - point source pollution and protect our ecological environment for realizing the harmonious development of resource, environment and agriculture in china

    農業面源污染是困擾我國社會、經濟持續發展的一個嚴重的環境問題，主要是由於農業面源污染具有量大面廣、分散的特點，並受自然條件突發性、偶然性和隨機性的制約，現階段我們對農業面源污染情況的了解程度遠遠不如點源污染，還缺乏整治的相關理論基礎和實踐經驗，減少污染物尤其是氮、磷營養的排放具有相當大的難度，因此控制農業面源污染、保護和優化生態環境對實現我國資源、環境和農業協調發展有重要的理論和現實意義。
  15. When the ratio between the depth of the spherical surface and the radius of the source surface is less than 0. 5, the spherical source has little effect on films uniformity compared with the plane source, and when it is greater than 0. 6, the influence of spherical surface source on films uniformity should be considered

    得到的分析結果表明：當蒸發源半徑和夾具高度的比值小於1 / 17時，蒸發源可以被視為一個點面源；大於1 / 10時，應當把蒸發源視為面面源進行考慮。
  16. Adopting this model, we analyze the seismic hazard near the chelungpu fault that generated the chi - chi ( jiji ) earthquake with magnitude 7. 6 and the following conclusions are reached. this model is reasonable on the base of focal mechanism, especially for sites near potential earthquakes with large magnitude ; the attitudes of potential rupture surfaces have great influence on the results of probabilistic seismic hazard analysis and seismic zoning

    結果表明：採用潛在地震破裂面源模型是合理的，因為它可以模擬地震破裂面與地震動影響場的三維展布特徵，尤其適用於較大震級地震的近場區域；潛在地震破裂面源的大小、產狀，對近震源場點的地震危險性分析和地震區劃結果有明顯的控制影響。
  17. Surface pollution and measures in shifushi reservoir

    佛寺水庫流域面源污染及防治對策
  18. Modeling the runoff of trihalomethane precursors from soil

    土壤中三鹵甲烷前驅物質面源負荷估算模型
  19. We will continue projects to protect the natural environment

    綜合防治農業面源污染和畜禽養殖污染。
  20. Pollution and control of agricultural non - point source on water environment

    農業面源對水環境污染及防治對策
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