irrigation area 中文意思是什麼

irrigation area 解釋
灌溉面積
  • 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。
  • area : n. 1. 面積;平地;地面。2. 空地;〈英國〉地下室前的空地。3. 地區,地方;〈比喻〉區域;范圍。
  1. 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。
  2. In recent years, the water - saving and control irrigation technique of rice has diverted from plot experimental and demonstration to lare scale. and has got remarkable economic and social benefits. amed at the characteristics of this irrigation area, optimal selection for water - saving techniques of rice, deciding the amout of leaching water and irrigation modles, investigating the adaptability of the water - saving and control irrigation technique in saline land. studying the increase in production mechanism of the technique are important to extend the technique, to better and develop saline land as well as slick spots. according to the results of field experiments, optimization study was conducted on the water - saving irrigation technique of rice in saline land, the effects of different water - saving irrigation techniques on the physiological indexes and yield of rice were systematically analyzed. by using mutiplepurpose fuzzy optimization method, better. water - saving irrigation technique was selector out, that is. the control irrigation technique in rice. the mechanism of it was analyzed from the aspect of the physiological and ecological saving water of rice to provide the implemental process and technical point ; throgh the quantitive analysis and comparision on control irrigation and control class ( flood irrigation ), high production and quality mechanism of the technique was analyzed in terms of physiology indexes of rice, the variation of soil moisture, the pest resistance and the lodge resistance, the change of soil temperature in paddy fields. the yield constitutive factors, the quality of rice and so on. in saline land. control irrigation and intermittent leaching modles were adopted to validate the adaptability of the technique in irrigation of rice in saline land, to analyze rice ' s physiological - ecological indexes and the change of soil salt content under the conditions of control irrigation leaching of rice and and to provide control irrigation and combined modle of intermittent leaching to adapt to different conditions

    本文從試驗及試驗資料入手,取得以下主要成果和結論:對鹽堿地水稻節水灌溉技術進行優化研究,系統地分析了不同節水灌溉技術對水稻生理指標及產量的影響,採用了多目標模糊優化的方法,對灌水技術進行綜合評判,優選了節水灌溉技術,論證該地區宜採用水稻控制灌溉技術;闡述控灌技術通過調節和控制水稻的需水規律,降低水稻高產情況下的無效水量消耗,從水稻生理、生態節水兩方面分析了控灌技術節水機理,針對性地總結出水稻各生育期實施節水控灌技術的步驟及技術要點;通過控灌與淹灌的定量對照比較,從根系、莖蘗、冠層葉片及綠葉動態到株高,土壤水分變化,抗病蟲害、抗倒伏能力,稻田土溫變化,產量構成因素及稻米品質等諸多方面進行動態比較,分析控灌技術高產優質機理;在鹽堿稻地採用控制灌溉+間歇淋洗模式,跟蹤測試田間水鹽變化狀況,驗證控制灌溉技術在鹽堿地區水稻灌溉中應用的適應性,通過分析水稻控制灌溉淋洗條件下水稻生理生態指標,提出優化控制灌溉+間歇淋洗組合模式,為進一步在高礦化度地區試驗水稻控灌技術奠定基礎。
  3. 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,水稻節水控灌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。但如何確定節水控灌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灌溉技術,如何確定鹽堿地的淋洗水量及灌水模式,探索節水控灌技術在鹽堿地的適應性,研究水稻節水控灌技術增產機理,對進一步推廣水稻節水控灌技術及改良、開發鹽堿地和鹽堿荒地具有重要意義。
  4. 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。
  5. This article points out that in china, the drought is aggravating gradually, agriculture proportion is decreasing slowly, arable area per capita, irrigation area and weight of diffusion area of new quality maize seed shows slow growth. it is difficult to improve maize technical efficiency

    對技術效率的影響因素的研究結果表明,全國的旱災趨于加重,農業比重正在緩慢下降,人均耕地面積、灌溉和新品種應用的增長不快,而且從分佈上來看多對玉米主產區不利,未來玉米技術效率提高的形勢嚴峻。
  6. The author, bonding fen river irrigation area, studies its agricultural water price with the way changed elasticity established price, which is one of warranties in water price reformation of irrigation area respect. as a whole, the author questions wiwm mode from macro - mode and micro - contents

    為了結合汾河二壩灌區進行水資源定價的個案剖析,筆者還對通用定價方法中的彈性定價法進行了演化,用演化后的公式對灌區的農業水價進行了重新定價。
  7. By optimisation of plan, the writer recommends a engineering arrangement plan of water - saving reform, a old channel system reform plan, in addition irrigation area fitting and water - saving in field plan

    提出了灌區節水改造工程的建設規模和節水改造技術。通過方案優化,推薦了節水改造工程布置方案、老灌區渠系改造方案、灌區配套與田間節水工程方案。
  8. Existent problem of headwork at yuelai irrigation area in huachuan county

    悅來灌區渠首存在的問題及改造措施
  9. 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。
  10. Study on use pump in rice irrigation area to irrigate farmland during the pump is free

    利用水田灌區泵站空閑期發展旱田灌溉技術的研究
  11. The present utilization and existing problems in water resource of the north of huaihe river in anhui are introduced. based on such research objects as northern guo river of bozhou, jiangtang of fuyang and key city zones, a mathematical model with systems engineering viewpoint is established and used to investigate in water resource problems in the area. the main contents are as following : ( 1 ) groundwater resource and present utilization ; ( 2 ) mensuration of calculational parameters of groundwater and calculational methods ; ( 3 ) economic parameters of irrigation areas ; ( 4 ) establishing northern wo river forecast model with finite element method, areal well - group method and water balance method ; ( 5 ) establishing optimal water resource allocating model for northern jiangtang and new cihuaixin river irrigation area and investigating in the combination of surface water and groundwater, optimal agricultural planting - mode and optimal distribution proportion of various water sources ; ( 6 ) some existing exploitation problems and advices about water resource in the area

    本論文針對淮北地區水資源開發利用現狀及存在問題,以安徽亳州渦河以北地區、阜陽姜堂鄉和重點城市區為研究對象,運用系統工程觀點,採用數學模型方法,對該區水資源問題進行了綜合研究,主要內容為: ( 1 )地下水資源及開發利用現狀; ( 2 )地下水計算參數測定和計算方法; ( 3 )灌區經濟參數; ( 4 )採用有限單元法、面狀井系法、水均衡法,建立亳州渦河以北地下水位預測模型; ( 5 )建立阜陽姜堂及茨淮新河北部的農灌區水資源優化配置模型,應用系統分析的方法,研究地表水與地下水聯合運用,農業最優種植模式及各種水源的最佳分配比例; ( 6 )淮北地區水資源開發利用存在問題及建議。
  12. Investigation of financial situation and comparison analysis of fixed peasant households in canal irrigation area of yangling

    楊陵渠灌類型區定點農戶經濟狀況調查及對比分析
  13. Analysis on benefit of continuous building and complete set project and water saving reformation project in jinghuiqu irrigation area

    涇惠渠灌區續建配套與節水改造項目效益淺析
  14. Investment benefit appraisal of water - saving irrigation in zhanghe irrigation area

    漳河灌區節水灌溉投資效益評價的分析
  15. Application of u - shaped lining technique to irrigation area

    型襯砌技術在灌區的應用
  16. Analysis of irrigation area water - saving in shanxi province

    山西省灌區節水改造探討與分析
  17. The effective irrigation area is 72. 74 million mu

    農業有效灌溉面積479萬公頃。
  18. Ningxia yellow river irrigation area is a big famous irrigation area in china and has over 2, 000 years history, there are 17 main canals ( 1540 km length ) and 6, 450, 000 mu area, it plays a very important role in development of ecnomic and social of ningxia autonomous region

    寧夏引黃灌區是我國著名的大型古老灌區,具有兩千多年的灌溉歷史。現有乾渠17條,長1540km ,實際灌溉面積645萬畝,是自治區經濟和社會發展的重要基礎。
  19. Water - saving irrigation technique in xinxiangfang irrigation area

    節水灌溉示範項目的效益評價分析
  20. Qujing irrigation area is one of the section that irrigation works were opened up early

    曲靖灌區是雲南省水利開發較早的地區之一。
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