water use coefficient 中文意思是什麼

water use coefficient 解釋
水分利用系數
  • water : n 1 水；雨水；露；〈常作 pl 〉 礦泉，溫泉；藥水。2 〈常 pl 〉水體；水域；水道；海；湖；河；海域；...
  • use : n 1 使用，利用，應用；使用的機會[需要]。2 使用的能力。3 使用的自由，使用權。4 使用法。5 用途；效...
  • coefficient : adj. 共同作用的。n. 1. 共同作用；協同因素。2. 【數，物】系數，率；程度。
  1. At last, there is a practical design of gshp - radiant system in a villa in chongqing. the compare of the gas - heater radiant floor system and the gshp radiant floor system indicates that the heating performance coefficient of the gshp is higher than the gas - heater to a large extent. in addition, this united system can use the closed circling water in the underground heat exchanger to remove the surplus heat load in transitional season

    通過燃氣熱水器制熱的輻射地板供暖與地源熱泵制熱的輻射地板供暖性能實驗的對比，可以看出地源熱泵的供熱性能系數高於燃氣熱水器，同時在長江中下游地區還可在過渡季節利用閉式循環水吸收土壤冷量對房間進行供冷，提高系統運行的經濟性。
  2. Based on experimental result of energy dissipation and scour protection for downstream of spillway at yu jian kou power station, this paper discusses the flow characteristics, aerated characteristics of flaring gate pier for low dam pivot, the influence on pressure of dam surface and the result of energy dissipation for flaring gate pier. it is put forward to be an available method to solve the problems of energy dissipation and scour protection for depth of covering strata, poor geologic condition and weakness of resistance to scour capability under reasonable use of flaring gate piers and auxiliary dissipaters. thus, a new method is obtained for release of floodwater and energy dissipation of low dam pivot which are provided with low water head, great unit discharge and low froud coefficient. it may be used for reference for design and test workers

    結合魚劍口電站壩下消能防沖試驗研究成果，對低壩樞紐寬尾墩的水流特點、摻氣特性、寬尾墩對大壩泄流能力和壩面壓力的影響以及寬尾墩的消能效果等問題進行了初步探討，提出了合理地使用寬尾墩結合輔助消能設施可有效地解決壩下覆蓋層深，地質條件差，抗沖能力弱的低壩樞紐的消能防沖問題，從而為具有低水頭，大單寬流量，低佛氏數特點的低壩樞紐泄洪消能開辟了一條新途徑，可供有關低壩樞紐設計與試驗工作者借鑒與參考
  3. Based on the principle of fuzzy, utilizing the comprehensive evaluation model of limit analysis on the development of water resources, the authors selected evaluation factors include irrigation ratio of total land, coefficient of product water, degree of water exploitation, water supply and demand modulus, per capita water supply and ecological water use ratio to analyze

    摘要基於模糊數學理論的區域水資源開發利用閾分析方法，選取灌溉率、產水系數、水資源開發程度、供需水模數、人均供水量和生態用水率7個主要因素作為評價因素，以杭州市區為例進行具體計算與分析。
  4. The author analyses supply water quantity of groundwater, the yellow river water and the dirty water that can be reuse, and predicts society and economy factors. then the water flexibility coefficient method and gray theories method, trend method etc are made use of in order to program the needs of water and these methods was evaluated to make sure the reasonable estimate value finally

    通過對規劃區內地下水可供水量、黃河水可引進水量與污水回用之和構成規劃區內可供水總量的分析和對社會經濟發展指標分析和預測，利用曲水彈性系數法、用水積水增長率法、灰色理論法、趨勢法等多種方法對規劃區內的需水量進行預測，並對不同的方法預測成果評價，最後確定較優的預測值。
  5. The results showed that the transpiration rate 、 leaf rwc 、 water potential, water - consumption and water use coefficient were decreased with soil water decreasing

    結果表明，蒸騰速率、葉水勢、葉片相對含水率、耗水量和耗水系數均隨十壤水分的減少而呈降低趨勢。
  6. In plain area, following the increase of water use coefficient, the amount of water withdrawal and consumption for agriculture is gradually decreased and at the same time the saved amount of water withdrawal and the saved amount of water consumption increase gradually, but the increase rate tends to small

    隨著水的利用系數的提高，農業取用水節水量和耗水量不斷提高，且取用水節水量和耗水節水量的增加幅度越來越小。
  7. Using the corresponding specialized technique, an input - occupancy - output table on water conservancy 51departments of yangtze river valley in 1999 is studied and compiled, and some coefficients, such as direct water use coefficient, total water use coefficient, water use coefficient for values added and mulapler ect., are calculated

    摘要利用投入佔用產出技術研究和編制了1999年長江流域片51部門水利投入佔用產出表，計算出長江流域片各種用水系數，包括直接用水系數、完全用水系數、增加值用水系數和用水乘數，計算了部門的影響力系數。
  8. The paper proposes to use fuzzy optimal model to determine the optimal regulation of water resources by taking several key cities of song - nen basin as examples, and uses dynamic analytic hierachy process to determine the profit coefficient of the objective function. ideal results are obtained

    該文針對這一缺陷，以松嫩盆地幾個中心城市的水資源優化調度為例，提出應用模糊優化模型來確定水資源的最優分配方案，並應用動態層次分析法確定目標函數的效益系數，取得了較好的結果。
  9. Abstract : based on experimental result of energy dissipation and scour protection for downstream of spillway at yu jian kou power station, this paper discusses the flow characteristics, aerated characteristics of flaring gate pier for low dam pivot, the influence on pressure of dam surface and the result of energy dissipation for flaring gate pier. it is put forward to be an available method to solve the problems of energy dissipation and scour protection for depth of covering strata, poor geologic condition and weakness of resistance to scour capability under reasonable use of flaring gate piers and auxiliary dissipaters. thus, a new method is obtained for release of floodwater and energy dissipation of low dam pivot which are provided with low water head, great unit discharge and low froud coefficient. it may be used for reference for design and test workers

    文摘:結合魚劍口電站壩下消能防沖試驗研究成果，對低壩樞紐寬尾墩的水流特點、摻氣特性、寬尾墩對大壩泄流能力和壩面壓力的影響以及寬尾墩的消能效果等問題進行了初步探討，提出了合理地使用寬尾墩結合輔助消能設施可有效地解決壩下覆蓋層深，地質條件差，抗沖能力弱的低壩樞紐的消能防沖問題，從而為具有低水頭，大單寬流量，低佛氏數特點的低壩樞紐泄洪消能開辟了一條新途徑，可供有關低壩樞紐設計與試驗工作者借鑒與參考
  10. The recognition and measurement of social, economic, and environmental benefit are studied and concrete expressions of these three objects are given ; according to different features of water users and water sources, the concepts and calculation methods of water use fair coefficient of water users and water supply sequence coefficient of water sources are presented ; the concept and calculation method of accordant coefficient of water environment and economic system are also put forward and it is considered as a condition of constraint ; the method to calculate discharge amounts of key contaminants in a planning standard year is brought forward ; on the basis of analyzing characteristics of the model for optimal allocation of regional water quality and water quantity, the method based on matlab optimal toolbox to solve the model is discussed

    模型中考慮了社會目標、經濟目標、環境目標的識別和度量方法，給出了三類目標的具體函數表達式；根據用戶特性和水源特性的不同，引入了用戶用水公平系數、水源供給次序系數的概念和度量方法；由於區域水環境與經濟的協調發展是區域可持續發展的核心內容，因此本文提出了水環境經濟協調發展度的概念，並給出了相應的計算公式；對規劃水平年區域重要污染物排放量進行了計算，並以約束條件的形式予以考慮；分析了區域水質-水量聯合優化配置模型的大系統、多目標、非線性等特點，探討了基於matlab優化工具箱的模型求解技術和方法。
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