efficiency of irrigation 中文意思是什麼

efficiency of irrigation 解釋
灌溉效率
  • efficiency : n. 1. 功效。2. 效率；效能；實力，能力。3. 【物理學】性能。
  • of : OF ＝Old French 古法語。
  • 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. In order to decrease expenditure and increase total economic efficiency, the key technique consisted of a complete sets of base fertilizer heavily, stabilizing n, increasing p and k, herbicide, coordinating of irrigation, fertilization and dpc regulation in first - flowering time, water - saving by furrow irrigation, simple pruning of cotton plants, chemical accelerating the ripening and so on

    以重施基肥，穩氮增磷增鉀，化學除草，初花期水、肥、控同步，溝灌節水，簡化整枝及化學催熟等項技術組裝配套，達到節支省工，提高整體經濟效益。
  2. The loss results from those factors, which are divided into three groups : the first one, drought, agriculture proportion and education index, is positively related with the loss of technical efficiency. the second, arable land per capita, weight of irrigation area and weight of new maize breed, is negatively related with it, and the last, water disaster and planting area of maize, is irrelated with that

    在影響玉米產出的各個因素中，旱災、農業比重、教育指數和效率損失呈正相關，人均耕地面積、灌溉、新品種應用和效率損失呈負相關而與技術效率正相關，水災、玉米種植比重兩個變量沒有表現出和效率損失有明顯的相關性。
  3. The ultimate purpose of establishing the irrigation information management system is to accomplish the automation and information of the irrigation process, to promote the efficiency of water use, to increase the yield and improve the quality of crop, which is the inexorable trend of the future development of the irrigation agriculture

    建立灌溉信息管理系統的最終目的是實現灌溉過程的自動化和信息化，提高水資源利用效率，增加作物產量，提升作物品質，這也是未來灌溉農業發展的必然趨勢。
  4. This paper analyses the factors that influence efficiency of pipeline system for sprinkler irri - gation, under condition of changing existing low pressture pipeline irrigation system into sprinkler irri - gation system

    就井灌區低壓管道輸水灌溉工程改造成噴灌工程后，對影響噴灌管路系統效率的因素進行了分析，給出了其管路系統效率的計算公式。
  5. Abstract : this paper analyses the factors that influence efficiency of pipeline system for sprinkler irri - gation, under condition of changing existing low pressture pipeline irrigation system into sprinkler irri - gation system

    文摘:就井灌區低壓管道輸水灌溉工程改造成噴灌工程后，對影響噴灌管路系統效率的因素進行了分析，給出了其管路系統效率的計算公式。
  6. The efficiency of irrigation in the beginning of the growth cycle in arid season distinctly surpassed the average wue. twelve treatments of combining different times and amounts of irrigation were applied in 2002

    灌溉處理並不能引起同茬同品種苜蓿的蛋白質含量出現差異；但是在第二茬初期灌溉，能在雨季來臨前搶收到更多的優質苜蓿。
  7. In the fourth chapter, the effect of controlled alternative furrow irrigation on the ratio of root to shoot, filling rate, leaf physiological indexes, yield and water use efficiency of summer maize were discussed, and the lower limits of suitable irrigation for summer maize in controlled alternate furrow irrigation were analyzed and determined

    29 ，表明干濕交替循環不僅可以減少每次灌水間隔期間的棵間土壤無效蒸發，而且也抑制了作物的奢侈蒸騰，因此作物需水量明顯減少，節水效果非常顯著，被證明是溝灌方式中最科學的一種灌水方法。
  8. Especially, the growing scarcity of water resources has become a serious threat to the agriculture production. at the same time, unreasonable water management system has resulted in low efficiency of irrigation

    在水資源短缺的同時，我區還存在著農業用水浪費嚴重的現象，許多水資源白白流掉，農業用水效率十分低下。
  9. Analysis of water flow performance and irrigation efficiency of boder irragation under straw mulch

    秸稈覆蓋畦田灌溉水流特性及灌水質量分析
  10. Experimental research on water use efficiency of winter storage irrigation in drought district

    乾旱缺水區冬季儲水灌溉水分利用效率試驗
  11. Based on the data getting from field experiment in 2004, the sas software is used to analyses the growth of plants and root, yield and its composition, water consumption and water use efficiency under different quantity of irrigation water and irrigation time in prophase

    摘要依據2004年試驗資料，採用sas統計分析軟體，研究了在不同灌水量、灌水時間處理下，春小麥生長前期生長狀況、干物質積累、最終產量及其組成、春小麥田的耗水量和水分利用率。
  12. Effects of irrigation quota and period on yield and water use efficiency of wheat

    灌水量和灌水時期對小麥產量和水分利用率的影響
  13. The design system is highly practicable that with the help of this system the planning of irrigation districts will be simpler and more convenient, and the design efficiency can be improved remarkably

    運用本系統進行灌區規劃設計，簡捷、方便，明顯提高了設計效率，具有較高的實用性。
  14. It shows that the traditional irrigation schedule should be modified. to evaluate exist field irrigation performance, irrigation tests were performed and simulation model, srfr, was used. evaluated results of irrigation efficiency are 0. 68 and 0. 52 in huimin and wudi respectively

    通過對灌溉試驗實測資料的分析，由田間灌溉模擬模型srfr模擬並確定灌區田間土壤入滲參數k 、 、 n ，然後綜合求出惠民田間灌溉效率為0 . 68 ，無棣為0 . 52 。
  15. Aiming at the present low efficiency of well irrigation works and through pumping tests and theoretical analysis, the paper derives a method for calculating the optimum water yield, the best lifting distance and economic pipe diameter of low pressure pipe delivery system of irrigated area by wells, increasing the efficiency of motor - pumped wells

    針對目前井灌工程效率低下的問題，通過抽水試驗，經過理論分析，推導出了井灌低壓管道輸水灌溉系統的最優出水量、最佳揚程和經濟管徑計算方法，從而可提高機井灌溉效率。
  16. Rather, the solution would be promote production structure changes among regions or implement inter - basin water transfer projects on the basis of upgrading the efficiency of utilizing irrigation water

    解決的辦法還在提高灌溉用水效率的基礎上，對農業生產進行合理的區域布局或是分批分期地實施跨流域調水工程。
  17. As the haihe, huaihe and yellow river basins have already achieved a fairly high level of irrigation basin efficiency, exclusive reliance on upgrading such efficiency is unlikely to achieve balance of irrigation water in these basins

    在黃淮海地區，流域灌溉水利用效率已經較高，完全依賴于提高灌溉用水效率也不能實現流域的灌溉水平衡。
  18. Water delivery has been run over 30 years. the main canal has the problem that the actual conveying capacity is very low now and the conveying capacity of the east - one main canal i only half of the design value, this lead to guaranteed real - time efficiency of the irrigation of the farmland recede greatly. the downstream has no water and crops were drought to death have been seen more times in the irrigation period, this lead to the contradictory between the upstream and downstream on water usage, moreover, the lower discharge capacity of the dry canal in irrigation period is the main cause of the actual irrigated area is only half of the design value

    經過三十年的輸水運行，目前乾渠工程存在嚴重的輸水能力低問題，其中東一乾渠輸水能力只能達到原設計的1 2 ，使農田的適時灌溉保證率大大降低，多次發生灌溉期下游見不到水而旱死莊稼的情況，造成上下游用水矛盾突出，而且灌溉期乾渠過流能力偏小，是導致實際灌溉面積僅為設計值的1 3的重要原因。
  19. Study on efficiency of well irrigation engineering system

    提高井灌工程系統效率的研究
  20. Based on some problems about random draft, energy conservation and ensemble efficiency of hydraulic - projects utilization, by the way of full - scale test, the application of frequency changer in agricultural water saving have been studied. it is the first time in china for the imagination that frequency changer has been used in tube - well irrigation in order to make the water pump keep constant transformation

    本項目針對目前農業節水灌溉工程中存在的隨機取水、節能問題和水利工程資源的綜合利用效率提高問題，以實地工程應用試驗為基礎，對變頻調速裝置在農業節水灌溉工程中的應用進行了研究。
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