pipe irrigation 中文意思是什麼

pipe irrigation 解釋
引水管灌溉
  • pipe : n 1 管，導管，筒。2 煙斗，煙袋；一袋煙。3 〈古語〉笛，管樂器；【航海】（水手長的）哨子（聲）；〈p...
  • irrigation : n. 1. 灌溉；水利。2. 【醫學】沖洗（法），〈pl. 〉沖注洗劑。adj. -al ,-ist n. 灌溉者，水利專家。
  1. Through calculating annual expenses and analyzing investment risk, an optimization model firstly put forward. the coefficient of investment profit of the irrigation system, which includes pipe distribution networks, drop irrigation device, is minimized. the coefficient is optimization design ' s target function which is by the genetic algorithms to solve

    在系統優化方面，單獨作為一個模塊用vc + +實現，本文首次提出了以包括管網、灌水器、水泵、電機等設備在內的微灌系統的益本比最大為目標函數，利用遺傳演算法求解的方法。
  2. 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區截流蓄水灌溉工程試驗示範節水灌溉試驗示範區的果樹滴灌灌區進行規劃設計，方便快捷地獲得了該滴灌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。
  3. The degree of consistency change of sprinkler head and the o 8mm depression drip pipe with the change of pressure has been tested. the main conclusion of this study has been produced as follows : ( 1 ) the theory will be correct and notable benefit will be obtained through the utilization of the frequency changer in tube - well irrigation, spray irrigation and drip irrigation. ( 2 ) some energy saving effect of the frequency changer utilization in tube - well irrigation, spray irrigation and drip irrigation will be produced, 37

    本項目的研究內容主要包括變頻調速裝置在管灌、微噴以及大棚滴灌中的節能效果、變頻調速裝置對微噴和大棚滴灌均勻度的影響以及變頻調速裝置在管灌中進行「恆量變壓」變頻運行試驗等，同時，對微噴頭與中smm低壓插入式滴灌帶的灌溉均勻度隨壓力變化情況進行一r試驗研究。
  4. An experiment has been conducted for investigating the rule of water consumption with three species of turfgrasses : kentucky bluegrass ( poa pratensis ), perennial ryegrass ( lolium perenne ), and tall fescue ( festuca arundinacea ) ; two kinds of irrigation water resources : tap water and sewage effluent ; and two kinds of irrigation methods : subsurface dripping irrigation and subsurface leaky pipe irrigation

    本研究以三種典型的冷季型草坪草草地早熟禾、多年生黑麥草、高羊茅為供試草種，以自來水和經過砂過濾和沉澱處理的城市居民社區的生活污水為灌溉水源，採用地下滴灌和滲灌兩種灌水方法，通過田間對比試驗，探討了污水灌溉條件下草坪草的耗水規律。
  5. ( 4 ) through the hydraulic property experiment of micro - hole lateral pipes of simple sdi in air, it was found that the average pressure of 60 mitre length lateral pipes was at the position of per 40o / o ~ ~ ~ 50 % of the effectual pipe length from the fist micro - hole, major pressure - loss was occurred at the ahead part of half pipe. the pressure uniformity reduced with orifice aperture ? increasing, and the relationship between pressure uniformity and initial water pressure was poor. running under the initial water pressure of 1. 5 meter, the discharge uniformity reduced with orifice aperture ? increasing, and when the orifice aperture smaller than or equal 1. 0mm, irrigation uniformity could achieve above 0. 6

    （ 3 ）通過對空氣介質中簡易地下滴灌的微孔毛管試驗研究發現： 60m管長的毛管平均壓力水頭的位置基本上在距第一孔口的有效管長40 - 45的地方；大部分水頭損失發生在毛管的前半部分；壓力均勻度隨孔徑的增大而減小，但與初始工作水頭關系不密切；在1 . 5m以下的工作壓力下運行，沿程出流均勻度隨孔徑的增大而降低，當孔徑不大於1 . 0mm時，灌水均勻度可以達到60以上；當孔徑大於等於1 . 2mm時，灌水均勻度低於50 。
  6. This task is an important part of a major technical item undertaken by science commission in harbin city which centered around the applied research on the technique of percolation irrigation with zippered plastic buried pipe

    本課題是哈爾濱市科委重大科技攻關項目《棚室蔬菜塑料拉鏈暗管滲灌技術的應用研究》的重要組成內容。
  7. Standard specification for nonreinforced concrete irrigation pipe with rubber gasket joints

    帶橡膠墊圈接頭的無鋼筋混凝土灌溉水管的標準規范
  8. Standard specification for nonreinforced concrete irrigation pipe with rubber gasket joints metric

    帶橡膠墊圈接頭的無鋼筋混凝土灌溉水管標準規范
  9. Based on the empirical equations used for calculating the cost of main and distribution pipes of gravity sprinkler irrigation project, equations for calculating. 4. economical hydraulic gradient, pipe length and the minimum cost of the main pipe were derived through theoretical analysis and mathematical transformation

    3 .在建立的自壓噴灌工程主幹管和配水管道的造價計算經驗公式基礎上，通過理論分析和數學變換，推導得出了自壓噴灌主幹管經濟水力坡度、經濟管長和最低造價計算公式。
  10. Irrigation scheduling of tomato by subsurface irrigation with porous pipe in greenhouse

    保護地番茄栽培滲灌灌水指標的研究
  11. Application of self - made infiltration irrigation pipe for cucumber cultivation in greenhouse

    自製滲灌管在大棚黃瓜栽培中的應用研究
  12. Research and application of pipe - maker of cement mortar pipe for seep irrigation underground

    地下水泥砂漿滲灌管制管機的研究及應用
  13. Plastic equipment for water saving irrigation - pressure compensating emitter and emitting pipe

    塑料節水灌溉器材壓力補償式滴頭及滴灌管
  14. Rapid manufacturing method of drip irrigation pipe in - line tubular emitter based on rapid prototyping amp; manufacturing technique

    滴灌管內嵌管狀滴頭的快速製造方法研究
  15. Rapid manufacturing method of drip irrigation pipe in - line tubular emitter based on rapid prototyping amp; amp; manufacturing technique

    滴灌管內嵌管狀滴頭的快速製造方法研究
  16. Experimental research on micro - head flexible pipe irrigation technology for cotton

    北方石質山地裂隙潛流動態及調控利用技術研究
  17. C. manufacture of flexible pvc, pp, pe pipes that are suitable for the use as low - pressure air pipe, irrigation pipe, insulated pipe, etc

    C我公司生產的軟pvc pp pe軟管類，適用於低壓氣體輸送管，農田排灌管電器絕緣管等
  18. Study on the application of the low pressure pipe irrigation technique in the water - saving agriculture of henan province

    低壓管灌技術在河南節水農業中的應用研究
  19. Deep pipe irrigation can be especially useful on slopes and in crusty soils where surface applied water will run off

    描述:深度管道灌溉在斜坡和硬質土壤環境中非常適用，因為在那些地方地表灌溉浪費水資源。
  20. " 1 pipe irrigation 3 lines of crop " was better than " 1 pipe irrigation 4 lines of crop " in wue, yields and elements of product for better water environment

    一管三行土壤水分環境優於一管四行，結果表現在一管三行在水分生產率、最終的產量以及產量組成要素上都強於一管四行。
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