水質變化 的英文怎麼說

中文拼音 [shuǐzhíbiànhuà]
水質變化 英文
fluctuation of water quality
  • 水 : 名詞1 （由兩個氫原子和一個氧原子結合而成的液體） water 2 （河流） river 3 （指江、河、湖、海、洋...
  • 質 : Ⅰ名詞1 （性質; 本質） nature; character; essence 2 （質量） quality 3 （物質） matter; substance;...
  • 水質 : water quality水質保護 [環保] water quality protection; 水質標準 water standard; water quality sta...
  1. The first of these is the seasonal kendall test, which enables accurate analysis of long - term trends

    第一種方法是以seasonal kendall測試準確分析長期水質變化趨勢。
  2. Study on variational trend evaluation of water quality of erlongshan reservior

    水庫水質變化趨勢評價研究
  3. Chapter 2 analyses water quality and its effecting factor in different character influx zone and ascertains categories and changing extension of main contamination in rainwater

    第二章分析了城區不同性質匯水面上雨水的水質變化規律及其主要影響因素。
  4. 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。
  5. Effect of water quality variety to drinking water

    地表水水質變化對飲用水的影響
  6. In summer, when hydraulic load ranges from 7ml / l - d to 60ml / l - d, the change of the water quality of water discharge is very small, and the removal ratio is over 70 %

    夏季cod進水濃度為1500mg l左右，水力負荷在7 60ml l ? d范圍內逐漸增加時，出水水質變化不大，去除率基本穩定在70以上。
  7. This results showed the program can be used to simulate the variation of sewage qulity validly and exactly in a sewer which has the same characteristic with that sewer. analysing the real data and simulation data ss and xs decreased apparently ; xbh increased apparently ; snh, snd, and xnd have little variation

    對西安市某污水管道進行水質測定和模擬，各組分實測值與模擬值的相對誤差均小於5 . 0說明兩者較為吻合，應用模擬程序可以對具有上述管道特徵的排水管道內水質變化進行有效和較為準確的模擬。
  8. Characteristic of lingdingyang marine environment

    伶仃洋水文特徵與水質變化趨勢分析
  9. A risk analysis on water quality in area of fuchun river and xinan river

    富春江區域水質變化的風險分析
  10. Detect changes in and provide advice on beach water quality

    檢測泳灘水質變化並使公眾了解泳灘的水質情況。
  11. Long - term water quality trends

    長期水質變化趨勢
  12. Water quality change trend analyse of yining city ' s drinking water sources land

    伊寧市飲用水源地水質變化動態趨勢分析
  13. Water quality trends for marine stations in the 10 wczs 1986 - 2005

    1986年至2005年本港十個水質管制區內監測站的水質變化趨勢
  14. Effects of dissolved oxygen on the changes of overlying water quality and the uptake of phosphate by sediment

    溶解氧對水質變化和沉積物吸磷過程的影響
  15. Computer monitor changes in source water quality around the clock, to be informed and respond immediately

    全天候電腦監測水源水質變化，隨時掌握即時因應。
  16. Abstract : the dongjiang river, as one of main streams of the pearl river system, is the important water system in eastern guangdong province. this paper analyzes the water quality of dongguan reach in the dongjiang river in mid and late 1990 ( 1994 1999 ) and, on the basis of this, studies the rule of seasonal change of the water quality and discusses the developing tendency of the water quailty

    文摘:東江是珠江水系的主要幹流之一，是廣東東部至關重要的水系，文中詳細分析了東江東莞段90年代中後期的水質狀況，在此基礎上研究和探討了東江東莞段水質的季節變化規律及其水質變化趨勢。
  17. Through its activity the department assesses the health of our marine waters, ensures that they are in compliance with its statutory water quality objectives, tracks long - term pattern changes in water quality and uses the collected data to plan pollution control strategies

    透過水質監測工作，環境保護署可確保海水水質符合法定水質指標、掌握長期水質變化趨勢，並以監測數據為依據制定污染管制策略，預測未來的挑戰，目的是保障市民大眾的健康。
  18. The water quality respond relation of input - output measurements are established by systematic theory in this paper. according to the peculiarity of hydrology and the necessity of water quality inverse problem the multi - parameter inverse problem model based on ordinary differential equation is developed. the existence and uniqueness of the solution of the ordinary differential equation about two parameters or multi - parameter are to be proved. the unstability depending on errors between monitoring data and interpolation approximate data are analyzed and demonstrated. cubic spline interpolation function, the least two multiply and positive rule method are conjoined for obtained solution of multi - parameter. the results from this algorithm indicats its efficient to the multi - parameter identification in water quality modeling

    本文應用系統理論，建立了水質多參數輸入輸出之間的響應關系；根據河流水文水質變化特點和參數反問題的需求，建立了水質常微分方程多參數反問題模型.根據常微分方程參數反問題的數學理論，作者給出了兩參數和多參數水質常微分方程反問題的解的存在性、唯一性的理論證明過程和結論；還針對水質現有監測資料的測驗誤差和插值近似計算誤差造成參數反問題的不穩定性，將三次樣條插值函數、超定方程最小二乘法和正則化演算法有機地結合使用，成功地給出了水質參數反問題的穩定化演算法.最後給出了應用計算結果
  19. According to the demand of national, provincial and municipal enviroment agency, iaccomplished a report on taihu lake water quality in march 1996, which was submitted to the environmental commission of the state coucil as a meeting material. the report reflects the present state and tendency of taihu lake water quality and analyses the reasons of the pollution and gives suggestions for preventing the pollution. it provides the technical support for the government and plays an important role in policy decision. 2

    根據國家、省及無錫市環保主管部門要求， 1996年3月完成《太湖水環境質量報告（ 1980 - 1995年》 ，提交國務院環委會作為「 1996年太湖流域環保現場執法檢查會」會議材料，報告全面反映太湖水環境質量水況及十五年水質變化趨勢，綜合分析了污染原因及污染防治對策建議，為政府部門制訂「太湖流域水污染防治『九五』計劃和2010年規劃」提供了有效技術支持，發揮了重要的決策咨詢作用。
  20. Apart from using traditional graphs showing changes in water quality over time, the epd also uses colour contour maps as a powerful presentation tool

    除了採用圖表顯示水質變化趨勢，環保署亦利用彩色等高線地圖列示數據的變化。
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