underground irrigation 中文意思是什麼

underground irrigation 解釋
地下灌溉
  • underground : adj 1 地(面)下的。2 隱蔽的,秘密的。3 (電影,報刊等)標新立異的,試刊的,試驗性而非正式的。4 ...
  • 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 the resent years, our state invests much for important engineering projects, irrigation works, expressway, underground and so on. as huge engineerings deal with complex foundation condition, there are often poor foundation, and because the engineerings are very important, the their request for stress is more rigorous than common ones

    近幾年,國家投資建設了許多重要工程,水利水電工程,高速公路,地鐵工程等等,由於大型工程涉及的地質條件會復雜些,往往會遇到軟弱地基,由於工程的重要性,對于變形的控制要比一般工程嚴格一些。
  2. This paper evaluates the underground water resources and its safe levels of miming, and then studies the availability of molepipe drainage, a kind of practical underground water regulation technique. starting with the elevation of underground water resources and a safe level of mining through variable system theory, this paper analyzes the conditions of underground water resources based on the well - studied determination method of determining the two hydrographical coefficients : rainfall infiltration replenishment rate and irrigation replenishment rate. then considering irrigation, rainfall, drainage and other related factors, a mathematical model is set up for the calculation of underground water storage, exploitation on water regulation

    論文從灌區的地下水資源及其可開采量評價分析方面入手,在對兩個主要的水文地質參數即降雨入滲補給系數、灌溉入滲補給系數確定方法研究的基礎上,對灌區的地下水資源狀況進行分析,依據灌區的灌溉、降雨、排水條件及各種現狀因素,建立了地下水資源量計算的數學模型,西安理工大學工程碩士專業學位論文計算得到青銅峽灌區地下水的最大補給量和可開采量;另外對在開發利用地下水資源過程中的地下水位的調控進行了初步的探討,在銀北灌區開展對暗管排水調控地下水位的試驗研究。
  3. Jqs1series water - submersible3 - phase asynchronous motors adopt a wet water - filling sealed construction and major used in 8 ”, 10 ” well diameter of deep - well to drive the water submersible pumps to lift underground water for plants, mines agricultural drainage and irrigation as well as for city living water required

    Jqs1系列井用潛水三相異步電動機為濕式充水密封型結構,主要用於8 」 , 9 」深井中驅動潛水泵提取地下水,為城市工礦企業,農業灌溉和居民生活提供生產和生活用水。
  4. 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
  5. Abstract : by considering the water resources, agriculture and channel system condition of different counties or zones in jinghui irrigation region, the large system decomposition - coordination model and fuzzy method were applied to study the optimal model of surface and underground water utilization the irrigation region optimal operation schemes of wet, normal and dry years were computed in comparison with the present schemes used in the irrigation regions, the result indicated that the optimal result is practical and feasible

    文摘:在考慮涇惠渠灌區各縣區水資源、農業生產、渠系工程現狀差異基礎上,利用大系統分解協調模型和模糊技術研究該灌區地表、地下水聯合優化調度模型,得出其豐、平、枯年水資源利用方案,並與現有用水方案比較分析,表明該研究結果切合實際,可操作性較好。
  6. Since agriculture accounts for nearly 70 percent of the world ' s fresh water withdrawn from rivers, lakes, and underground aquifers for human use, the greatest potential for conservation lies with increasing irrigation efficiency

    自從農業的估計世界上的新鮮水有近70 %將從河川,湖泊及地下水供人使用起,水保育的強大潛力是增加有效灌溉。
  7. Design, installation, and performance of underground thermoplastic irrigation pipelines

    地下熱塑性塑料灌溉管道的設計安裝和性能
  8. The agricultural production holds an important position in baoding area, winter wheat and summer corn are the main grain crops and cotton is the main cash crop. the water resources used in agriculture include rainwater resources used directly by crops and surface water resources or underground water resources which is used through irrigation. there have been lots of rainwater waste because of lacking in research on rainwater resources utilization and in perfect engineering technology in baoding area. to make full use of rainwater is important to alleivate the water resources crisis and improve the ecological environment, the main objectives can make more rainwater turn into soilwater that can be utilized by crops directly and decrease the crops requirments for the surface and ground water resources

    用於農業生產的水資源包括直接利用的雨水資源和通過灌溉補充的地表水資源和地下水資源。目前,保定市對直接用於農業生產的雨水資源尚未進行深入細致的研究,而且雨水資源的利用工程技術措施尚不完備,這種情況造成了雨水資源的浪費。顯然,充分利用雨水資源,即盡可能多的把天然降水轉化為可被作物利用的土壤水,減少作物對現有水資源(地表水資源和地下水資源)的需求,對于緩解保定市水資源供需矛盾,改善水環境與生態環境有重要的現實意義。
  9. Terraces can trap moisture in the soil and prevent erosion, ponds can collect rainwater that can be stored in underground tanks, and irrigation systems can provide water to nourish crops

    梯田能夠吸收土壤濕氣並阻止腐蝕,池塘能夠收集雨水,並使其儲存於地下的容器里,灌溉系統能夠供水來滋養農作物。
  10. The grade distribution graph shows that the land quality is related to the soil quality, soil obstacle layer, irrigation, the underground water level and other indicators

    這說明了土地質量與土壤質地、障礙層次、排灌保證率、地下水位、道路通達度等指標密切相關。
  11. Practice for underground installation of thermoplastic pressure piping irrigation systems

    熱塑壓力管道灌溉系統地下安裝慣例
  12. Standard practice for underground installation of thermoplastic pressure piping irrigation systems

    熱塑性壓力管道灌溉系統的地下安裝標準規程
  13. Through the optimization, the optimum parameters for irrigation technique can be obtained for different irrigation. meanwhile, this paper adopts the method of experiments combined with modeling, to propose the optimum parameters and the improvement measures on the irrigation effect and supplementary efficiency for the surface and underground supplemental irrigations

    另外,本文通過採用試驗研究和模擬分析相結合的方法,分別提出了提高項目區地面補充水分灌溉和地下水補源灌溉的優化灌水參數及提高灌溉效果和補源效率的技術措施。
  14. Standard practice for design and installation of underground thermoplastic irrigation systems with maximum working pressure of 125 psi

    最大工作壓力為125psi的地下熱塑灌溉系統設計和安裝的標準實施規程
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