灌區 的英文怎麼說

中文拼音 [guàn]
灌區 英文
irrigated area
  • : Ⅰ動詞1 (輸水澆土) irrigate 2 (倒進去; 注入) pour in; fill 3 (飲酒; 勉強他人飲酒) drink wine...
  • : 區名詞(姓氏) a surname
  1. Confirming the concept of hydrology aridity and the scope of guanzhong irrigation areas

    根據研究的需要,對水文乾旱年進行界定,同時界定關中九大灌區的范圍。
  2. Estimating surface water and ground water quantities of guanzhong irrigation area in different aridity year, forecasting using water quantities

    針對不同乾旱年份對關中灌區地表水及地下水資源量進行估算,對關中灌區用水量進行預測或制定。
  3. 9. a gravity sprinkler fertigation device was developed and has been used in practice. it has been found more economical and effective in improving yield in comparison with manual fertilization and airplane application

    同時,對噴條件下冬小麥、春小麥、油菜三種作物的試驗與大田噴灌區、常規地面灌區,進行了產量與節水量的比較分析,得摘要出噴節水增產效果顯著。
  4. Character of flood control and project plan in

    衛星灌區的防洪特點與防洪工程規劃
  5. Rice, one of the three major crops in the ningxia irrigation area of yellow river. is widely planted. the traditional irrigation techniques of rice are flood irrigation and deep storage. which need more water consumption and have higher application volumes. with the increase in population, the development of industrial and agricultural production and the uniform catchment agreement for the water resource of yellow river, the supplying and demand contradiction of the water resources in ningxia is more evident, then drang is presented for developing water - saving and efficient agriculture

    近年來,水稻節水控技術在寧夏引黃灌區推廣后取得了顯著的經濟和社會效益。但如何確定節水控技術是現有條件下適合寧夏引黃灌區特別是鹽堿耕地的水稻種植先進溉技術,如何確定鹽堿地的淋洗水量及水模式,探索節水控技術在鹽堿地的適應性,研究水稻節水控技術增產機理,對進一步推廣水稻節水控技術及改良、開發鹽堿地和鹽堿荒地具有重要意義。
  6. Two aspects of the problem are discussed : one is that lift irrigation is no need when abstraction volume capability of canal head can meet the demand ; the other is that lift irrigation is in need when abstraction volume capability of canal head can not meet the demand

    它包括兩個方面:一是當渠首可引水量能滿足灌區溉用水量時,則不需要提水溉;二是當渠首可引水量尚不能滿足灌區溉用水量時,則需提水溉來補充溉用水量。
  7. Irrigation district water - measuring is the important method and guarantee of practising using water planly, assignment accurately, using irrigation water equably and meterage

    灌區量水,是實行計劃用水、正確分配、合理使用溉水的重要手段,是實行計量收費的重要保證。
  8. With a big flow rate, it is suitable for the use of plain river network area and hilly irrigation and drainage, piscina water supply and drainage industrial water supply and drainage

    本產品流量大,適用於平原河網地和丘陵灌區,特別適用於農田排、魚塘供排水及工業供排水。
  9. This paper analyzes the present situation of water capacity distribution in pishihang irrigation area, and puts forward the countermeasure to solve the existing problem

    摘要文章分析了淠史杭灌區水量分配現狀,對存在的問題提出了解決的對策。
  10. To adopt well irrigation and well drainage, develop and utilize ground water resources of irrigated area can not only effectively reduce the ground water level and prevent secondary alkalization of the soil, but also provide timely irrigation to crops through well and canal complementary

    摘要灌區溉採用井井排,開發利用地下水資源,不但能有效降低地下水位,防止土壤次生鹽堿化,還可以通過井渠互補,使農作物得到適時溉。
  11. Finally, the expert system is used in ming wang ta village, lin county, shanxi province to design and project for apple ' s drop irrigation at the demonstration farm. by the aid of the system, the calculation result, the design result, the drawing of pipe framework, the budget sheet are conveniently gained, and efficiency is distinctly enhanced. the result of this design has been successfully carried out in the test areas

    最後應用本系統對山西省臨縣城莊鄉明旺塔村丘陵山截流蓄水溉工程試驗示範節水溉試驗示範的果樹滴灌區進行規劃設計,方便快捷地獲得了該滴系統比較合理計算結果、規劃和管系結構圖、概算表等,明顯提高了設計的效率,設計過程具有較高的參考性與實用性。
  12. In term of rational price the compensation benefit in the main stream of the yellow river mean annual is 5. 086 * 10a8 yuan. ( 4 ) with the long - liu regulated, the ning - meng irrigation guarantee rate increased from 31. 25 to 86. 25 percent, the downstream increased from 56. 25 to 80. 00 percent

    ( 4 )黃河上游水電站調節直接保證了寧蒙灌區與下游省溉用水,經上游龍劉調節以後,寧蒙灌區溉年保證率由31 . 25提高到86 . 25 :下游省由56 . 25提高到80 . 00 。
  13. Modern statistics, computational mathematics means and computer technology are used to work out the scheme of developing computer software system of hydrological data reorganization, to study the key technology of overcoming the difficult problems

    利用現代統計、計算數學手段和計算機技術,研究制定了開發灌區水文資料整編計算機軟體系統方案、攻克難點的關鍵技術。
  14. Computer software system for hydrological data reorganization in irrigated area, which will be in common use, is developed firstly. in this system, the multi - curve ( including simple curve ) fitting equation and its graph can be generated automatically

    首次研究開發出多曲線擬合(包括單曲線)自動生成曲線方程和圖形的較為通用的灌區水文資料整編計算機軟體系統,從而為灌區水文資料整編和管理向現代化方向邁進鋪平了道路。
  15. 4 in order to make. the decision adjust to the practice, and use the limited water resources more rationally. a multi - objective fuzzy decision method for irrigation district is presented considering fuzzy connection, then a method is given to get the changeable objective weight of each stage. this model can solve the decision in conjunctive use of ground and surface water

    4 、為合理利用水資源,使渠井結合灌區的地表、地下水聯合調度決策與實際結合更緊密,本文在陳守煜建立的多指標模糊關系優選決策理論基礎上,提出了考慮時段指標變權重的多指標模糊關系優選決策方法,模型中各指標的權重隨作物所處生長階段的不同發生變化,並將模型與演算法應用於實際例子中,取得了較為滿意的結果。
  16. 3. to enrich this model, the paper give out a moment function form of the optimal decomposition - coordination methodology. 4

    初步提出了灌區水資源優化調配分解? ?協調遞階模型的矩陣函西安理工大學工程碩士專業學位論文數形式,這使得模型的內容更加豐富化。
  17. 3. puts forward matrix function form of the decomposition - coordination step model for water resource ' s optimal distribution in this thesis. it makes the model more prolific

    3 、初步提出了灌區水資源優化調度分解?協調遞階模型的矩陣函數形式,這使得模型的內容更加豐富化。
  18. Taking this large irrigation district as a reference, this paper studies the optimal scheduling of water resources in this district, mainly considering such problems as degrading dimensions of the decomposition - coordination for big system and optimal decision - making of multiple purpose

    本文以大型灌區為對象,研究了灌區水資源的優化調配問題。主要考慮了大系統分解?協調遞階模型的降維、多目標優化決策等問題。
  19. It is mainly by analyzing the features of sediment concentration distribution in vertical in this paper, and then the problems of effect of headwork gates on sediment prevention, relation between distribution of sediment deposition in irrigated areas and its treatment and utilization, estimating the influence of withdrawing water and sediment on channel deposition and erosion in lower yellow river, and treatment and utilization of the sediment entered into canals are discussed

    本文主要從分析計算含沙量沿垂線分佈特點,探討渠首防沙的作用,分析灌區泥沙淤積分佈特性與泥沙處理利用的關系,分析計算引水引沙對黃河下遊河道沖淤影響及入渠泥沙的處理利用等問題。
  20. ( 5 ) the maximum water level risen by the enclose tideland cultivation around the reservoir is 0. 66m, the responding quality is 2000mvs, which heavily effect the environment around the reservoir. the reservoir " s water level is risen because cross section and flood canal become narrow, which caused by building dam, this makes groundwater unsmooth, drainage, even flow from a lower to a higher space and soil salinized

    66m ,且為2000m 』兒的常年洪水,對庫周邊環境的影響較大,因打壩築堤縮小過水斷面和行洪通道造成水庫水位進一步抬升,致使庫周邊灌區地下水排水不暢,乃至倒,型成士地鹽堿化。
分享友人