surface water quality 中文意思是什麼

surface water quality 解釋
地表水質
  • surface : n 1 表面；地面；水面；廣場，空地。2 外觀，外表，皮毛。3 【幾】面；切口；【航空】翼面。adj 表面的...
  • water : n 1 水；雨水；露；〈常作 pl 〉 礦泉，溫泉；藥水。2 〈常 pl 〉水體；水域；水道；海；湖；河；海域；...
  • quality : n 1 質，質量；性質，特質；品質，品位。2 優質，美質，優點。3 才能，能力，技能，素養。4 品種。5 身...
  1. The traditional only water craft with difficulty satisfies the production qualified drinking water the request. in view of yueyang running water company factory water quality, we used the thick nitric, the hypochlorous acid and the ammonia water have carried on the modification to the activated charcoal surface. state clearly studied the factor the influence to study the superficial modification to the activated charcoal adsorption trichloro alkane performance

    針對岳陽市自來水公司一水廠的出水水質和現行處理工藝，建議增加一道活性炭吸附除有機物工序，採用濃硝酸、次氯酸和氨水對活性炭的表面進行了改性。研究了表面改性對活性炭吸附三氯甲烷的性能影響。
  2. Assessment of the quality of surface water in wuyi college

    校區地表水水質評價
  3. Analysis of surface water quality in shennongjia

    神農架地表水質初步調查分析
  4. Water quality - detection and enumeration of escherichia coli and coliform bacteria in surface and waste water - membrane filtration method

    水質.地表水和廢水中大腸桿菌和大腸桿菌類的檢測和計數.薄膜過濾法
  5. Environmental quality standards for surface water

    地表水環境質量標準
  6. The hong kong and guangdong governments have worked closely to strive to improve the quality of raw water from dongjiang to conform to the national standard for type ii waters applicable for the abstraction for human consumption in first class protection area in the " environmental quality standards for surface water, gb 3838 - 2002 "

    香港和廣東省政府一直保持緊密合作，致力提升東江水水質達至國家《地表水環境質量標準gb3838 - 2002 》第ii類的標準。所有原水都經嚴格的處理程序和密切監測，這使香港能夠享有最安全的食水供應。
  7. Application of grey clustering method to surface water enviromental quality assessment

    灰色聚類法在地表水環境質量評價中的應用
  8. Effect of surface water quality in hun he shenyang section qitaizi bridge on aquatic life

    渾河沈陽段七臺子橋地表水質量對水生生物的影響
  9. Analysis of surface water quality in fuyang city

    阜陽市地表水水質分析
  10. ( 4 ) at the height of the summer, the surface and bottom water of the creeks differed in n and p loadings. nh4 +, soluble p and total reactive p in the bottom water were higher than those in the surface ; while no3 - and no2 - in the surface were higher than those in the bottom. such water - quality stratification inevitably resulted from the enhancement of phytoplankton in the surface water and intensified release of nh4 + and p from the sediments

    （ 4 ）在盛夏高溫季節，水流滯緩的小河流表層水和底層水的氮磷指標存在明顯分異：底層水nh _ 4 ~ + ，水溶態磷和總反應態磷（ trp ）含量高於表層水；而表層水no _ 3 ~ -和no _ 2 ~ -含量高於底層水；表層水的ph和do高於底層水。
  11. Evaluation of the effects of environment of drinking water and simulated forecast of the water quality ' s changes ; analysis of the surface water and soil pollution

    集中式飲用水源環境影響評價及水質變化模擬預試；地表水及底泥、土壤污染分析。
  12. Ceramic grain filters ard made of refined pottery clays added with certain modifiers, and processed of grinding, mixing, shaping and high temperature sintering. they do not contain any substances that harmful to people or environment. they are hard and rough in surface, porous inside the structure, and have the advantages of high mechanical strength, large specific surface area and porosity. when used in water treatment, they behave a activated surface property, a great amount of pollutant entrapment, less water head loss in the filter bed, lower consumption of back - flush water, stable in chemical and gbiologic property, and long service life, ceramic grain filters is a new and efficient filter material to increase the water yield, upgrade the water quality, and save chemicals and energy

    陶粒濾料是以精製陶土為主要原料，摻加適量改性劑，經粉碎，混練，成型和高溫煅燒而製成的，不含任何對人體和環境有害的物質.其表面堅硬，粗糙，內部疏鬆，多孔，具有機械強度高，比表面積大，孔隙率大的特性.用於水處理中，具有表面性狀好，截污能力強，過濾水頭損失小，反沖洗耗水量低，化學穩定性和生物學穩定性好，使用壽命長的特點.陶粒濾料是一種能增加水產量，提高出水質量，節省藥劑和能耗的新型高效過濾材料
  13. 2. the results showed that the contents of cach - extractable soil p, and soil test phosphorus ( olsen, bray, mehlich - 3 ) and algae - available p contents ( naoh - extractable soil p ) in the soils correlated significantly with the contents of ortho - p, particulate p and bioavailable p in runoff, respectively, which were feasible to be used as primary indices to evaluate of agriculture p impacting on surface water quality. the results also showed that the relationships between the phosphorus sorption of soil index ( psi ), and the degree of soil saturation with phosphorus ( dpss ) and the contents of ortho - p, particulate p and bioavailable p in runoff reached significant level, respectively

    黃壤旱地土壤易解吸磷（ cacl _ 2 - p ） 、土壤有效磷（ olsen - p 、 bray - p 、 mehlich - 3 - p ）或藻類可以利用的土壤磷（ naoh - p ）與地表徑流中顆粒態磷、生物有效性磷和磷酸根態磷之間均存在顯著的相關性，在一定的程度上可用cacl _ 2 - p 、 olsen - p作為指示黃壤旱地地表徑流中磷潛在流失的預警指標，來判斷旱地存在磷素非點源污染的可能性。
  14. Air and surface water quality in all urban districts in 47 major cities should meet related national standards by the end of

    個重點城市的空氣和地面水達到國家規定的環境質量標準
  15. By the end of 2000, air and surface water quality in 47 major cities should meet related national standards

    到2000年底， 47個重點城市的空氣和地面水達到國家規定的環境質量標準。
  16. Air and surface water quality in all urban districts in 47 major cities should meet related national standards by the end of 2000

    到2000年底， 47個重點城市的空氣和地面水達到國家規定的環境質量標準。
  17. Application of topsis in appraisal of surface water quality

    方法在地表水質量評價中的應用
  18. Analysis of the surface water quality evolution since the development of pudong

    浦東開發以來的水質演化分析
  19. Hebei province surface water quality and water quantity change law analysis

    河北省地表水水質水量變化規律分析
  20. Surface water quality assessmet in minjiang river basin by fuzzy synthetic evaluation method

    岷江流域地表水水質的模糊綜合評價
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