irrigation requirement 中文意思是什麼

irrigation requirement 解釋
灌溉定額
  • 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。
  • requirement : n. 1. 要求，需要。2. 要求物，必需品；需要量；必要條件，資格 （for）。
  1. It was found : 1 ) the film restrained evaporation surface intensity and had obvious function of rising and keeping moisture, 2 ) the drip irrigation could supply water according to growing requirement and augment of water conflux intensity around crop root, it also had strongly controllable operation and wasted fewer water

    覆膜抑制了土壤表面的蒸發面匯，具有明顯的提墑保墑作用，滴灌能隨時根據作物生長需要及作物根系匯流強度的增大而補充匯流源，可控性很強，水的浪費率很低。
  2. The estimation methods of water requirement, and determination of basal crop coefficient and soil evaporation coefficient under the controlled alternative furrow irrigation in summer maize were studied and verified in the fifth chapter

    （ 4 ）夏玉米田棵間土壤蒸發主要發生在灌后幾天表層土壤比較濕潤的時期內，其中表層土壤含水率和葉面積指數是影響土面蒸發的兩個基本因素。
  3. However, along with the increasing of construction quantity of the infrastructure of irrigation works, traffic, communication etc., newer and higher requirement of geotechnical anchoring are made in slope, major dam, bridge, tunnel, deep foundation ditch engineering and the construction engineering such as anti - capsize, anti - float, anti - slippage engineering of the buildings. for example, self - intension of rock and soil is required to exploit better ; carrying capacity of anchor increase according to anchoring length ; anchor should be sufficiently lasting and should not influence the exploitation of adjoining stratum

    但另一方面，隨著我國水利、交通、通訊等基礎設施建設力度的加大，邊坡、大壩、橋梁、隧洞、深基坑以及建築結構物的抗傾倒、抗浮力、抗滑移等建設工程將對巖土錨固提出一些新的和更高的要求：如要求進一步調用巖土體的自身強度，錨桿應具有足夠的耐久性，錨桿的使用應不影響周邊地層的開發等。
  4. First each of the eight factors, i. e., per capita water resource available, per capita water requirement quantity, environmental water use rate, utilization rate of water resource, industrial water requirement quantity per 10, 000 industrial product value, water requirement module, regional irrigation rate was analyzed. then the water resource capacity in hejin city was evaluated by applying the fuzzy comprehensive estimation

    選取了人均水資源可利用量，人均供水量，生態需水率，水資源利用率，萬元工業產值需水量，需水模數，生活需水定額，耕地灌溉率等8個評價因素，利用模糊綜合評判模型對其水資源承載能力進行了評價研究，並提出了河津市水資源安全對策。
  5. At present, the studies about the controlled alternate furrow irrigation are focused on how it affects the water physiological indexes, water consumption and yields of crops. but, some problems suc h as the soil infiltrative parameters, irrigating water advancing, water redistribution in soil, calculation of crop water requirement and water consumption, and the upper and lower limit indexes of soil moisture, guiding a field irrigation after the controlled alternative furrow irrigation is implemented in field, have not been researched systematically and deeply. if these problems could not been solved commendably, the popularization of controlled alternate furrow irrigation will be affected

    然而，目前有關交替隔溝灌溉的研究還主要集中於這種灌水方式對作物水分生理指標、耗水量和產量的影響方面，而對大田採用這種灌水式后的土壤入滲參數變化情況、作物需水量與耗水量計算、以及指導大田灌溉的水分下限控制指標等與大田生產實際密切相關的幾個問題基本上還沒有進行系統的深入研究，而這些問題如不能得到很好地解決，勢必會對這種灌水方式的推廣應用產生嚴重的影響。
  6. China is a large country with complex natural conditions. there are much inconsistency between the distributing of water resource and the requirement of industry, agriculture and life on time and space. pumping station is very important in the delivery, supply of water resource, especially the large - scale irrigation and drainage pumping station, which has very important contribution in fighting droughts and waterloggings

    我國地域遼闊，自然條件復雜，水資源在時間和空間上的分佈與工農業及生活的用水需求存在很多矛盾，泵站在水資源調配及工農業供水等方面起著十分重要的作用，尤其是泵站中較典型的大型排灌站，在抗旱排澇、減輕災害中發揮著巨大的功能。
  7. Water requirement forecast for rice from well irrigation on the basis of time series analysis method

    基於井灌區管道輸水系統的波涌灌技術
  8. Compared with coupling fitness of water requirement to rainfall, crop ' s water requirement and irrigation requirement show the contrary trend

    表明在當地自然資源環境和節水灌溉背景下，不宜過多種植秋播糧食作物，應以春夏播作物為主。
  9. The characteristics of water requirement and water - saving irrigation indices of dry - raised rice seedlings in paddy field

    水稻旱秧大田期需水特性與節水灌溉指標研究
  10. Considering the water use efficiency, salt balance and crops water requirement as a whole, the suitable quota of salt water irrigation was 120 m3 / 667m2

    就水分利用率、年內鹽分平衡以及作物需水規律綜合考慮，小麥生育期適宜灌溉定額為120m3 / 667m 「 。
  11. / based on the trends of present cropping development and irrigation efficiency increase in the region, water supply can meet irrigation by 89 % in 2010, 75 % in 2020 and 70 % in 2030 to crop ' s water requirement under normal condition. water supply can meet irrigation by 100 % in 2010, 88 % in 2020 and 83 % in 2030 to 85 % of crop ' s water requirement under normal condition. the situation of water shortage in the region is more austere in dry year

    3 ）按目前種植業發展趨勢並考慮到灌溉效率的提高，平水年在100充足灌溉方式下， 2010年、 2020年和2030年可供水量對灌溉的滿足率分別為89 、 75和70 ；在85虧缺灌溉方式下， 2010年供水可以滿足需要， 2020年和2030年供水量對灌溉的滿足率為88和83 ；乾旱年度的灌溉滿足率更低，形勢更為嚴峻。
  12. Irrigation quota can be calculated by irrigation water requirement per time and irrigation times

    灌溉定額由灌水定額及灌水次數決定。
  13. In the fourth part, the field irrigated water requirement were gotten based on the recommended irrigation schedules and irrigated areas often crops. in this paper, the reference evapotranspition et0 in three counties in bid was computed by penman - monteith method and the crop coefficients, kc of ten crops by kcisa model and the crop water requirements, etc, were computed simply by kc et0. meanwhile, four representative years by frequency analysis are gotten according to net irrigation requirements and planted areas of different crops in bojili irrigation district

    本文首先採用fao最新推薦的penman - monteith方法計算灌區的參照騰發量et _ 0 ，用kcisa按照fao的計算方法推求十種作物的作物系數k _ c ；由此基礎上計算出作物需水量et _ c ，根據結果分析了不同作物的需水規律；同時用作物缺水量nir （凈灌溉需水量）進行頻率計算，求出了灌區的四個代表年，並分析了代表年年內自然水分狀況和作物缺水規律。
  14. Irrigation water requirement per time = ( soil water irrigation maximum - soil water irrigation minimum ) ? scheming wetted soil layer depth. irrigation cycle and irrigation times were decided by soil water irrigation maximum, minimum and consumption velocity

    灌水周期和灌水次數由灌溉飽和點與補償點及土壤水分消耗速率決定，表現為強耗水期灌水周期短，灌水次數多，其後依次按中、弱、微耗水期灌水周期增長，灌水次數減少。
  15. Combined with hydrological data reorganization of qingtongxia irrigation area, the problem existing in hydrological data reorganization, the requirement of consumer and the difficulty in reorganizing hydrological data using computer are analyzed deeply and carefully in this paper

    本課題項目結合青銅峽灌區水文資料整編工作，深入細致地分析了水文資料整編中存在的問題和用戶需求，以及採用計算機整編水文資料的難度。
  16. Abstract : the irrigation requirement and the available groundwater resources in the development area were assessed comprehensively. it was concluded that the groundwater resources in the area is sustainable

    文摘:對雙豐農業綜合開發區的灌溉用水量和地下水可開采量進行了綜合評價，指出本開發區地下水資源可以持續開發利用。
  17. And they ca n ' t take into account distributing of crops and water requirement and water content of soil. aiming at the limitations of this irrigation system, a expressions about design flow of pipe networks is set up by the probability methods. a model of stochastic non - linear programming by random irrigating is presented to optimize network of micro - irrigation

    論文針對這種灌溉制度的缺點，引入管網流量設計保證率、概率約束等理論，用概率論的方法推求了隨機灌水條件下管網設計流量的計算公式，並建立了隨機取水條件下微灌系統管網優化設計隨機非線性規劃數學模型。
  18. Drip irrigation under mul : h is a new irrigation method, as utiliz e the advance of drip irrigation and plastic film cultivation technique. the conditions influenced crop water requirement are changed in drip irrigation under mulch, thus crop water requirement pattern is different from conventional irrigation forms. it is very useful to research field mulched crops water requirement pattern watering with drip irrigation

    膜下滴灌是地膜栽培與普通地表滴灌相結合的產物，在地膜覆蓋和滴灌的綜合效應下，作物的生長與在常規條件下不同，因此影響作物需水量的一些基本條件都發生了變化，對于膜下滴灌作物需水量和作物系數還需要做進一步研究。
  19. Acceding to the theory of crop water requirement, maximum potential evapotranspirations are calculated by applying fao penman - monteith method, and then we obtain the water requirement, water balance and water correction factors ect. of main crops ( spring maize, summer maize, spring wheat, winter wheat, cotton ) and different type grasslands, and the space - time distribution regularities of water requirement of cropland and natural grassland are analysed, the result show : the water requirements of same kind crop in different areas are different, water satified degrees are different to different crops in the same area, and water requirement of same crop are different between years for climatic variation ; the water requirements of main crops are increasing from east to west and from south to north, water satified degrees are decreasing from east to west and from south to north. in growing season, there are deficits in crops water supply in most area, so the irrigation is needed to meet the requirement for crop growing normally

    根據作物需水的理論和方法，採用計算精度較高的faopenman - monteith方法（ 1998 ）計算了半乾旱區最大可能蒸散，並基於此計算五種主要旱地作物（春玉米、夏玉米、春小麥、冬小麥、棉花）和不同類型的天然草地的需水量、水分盈虧、水分訂正系數等，分析了農田和天然草地水分供需的時空分佈規律，結果表明：不同地區同一種作物的需水量是不同的，同一地區對不同作物的水分滿足程度是不同的，而且同一種作物在同一地區隨著氣候的變化需水量也會有一個年際變化；主要作物需水量由東向西，由南向北遞增，正常生長發育的水分保證程度由東向西，由南向北遞減。
  20. By the long period of study, the uniformity can be increased to 80 % or more, the result can meet the general requirement for the spray irrigation

    通過這兩種方法最終可使噴灌的均勻度達80以上有不錯的效果。
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