water consumption 中文意思是什麼

water consumption 解釋
城市用水
  • 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;...
  • consumption : n. 1. 消費(量);消盡,消耗,滅絕。2. 【醫學】結核病;癆病,肺癆 (=pulmonary consumption)。
  1. Considering the electrovalence, the curve of water consumption and the reliability of water supply, this paper respectively sets up the model based on the maximal flux and the model based on the expectation flux. it takes yearly expenditure converting value and yearly cistern converting value as target function and takes continuity equation, velocity of flow and compression resistance of cast iron pipeline as restrictions and sets up the pga model on optimal design of water supply networks

    考慮到峰谷電價、用水量變化曲線及用水可靠性因素的影響,分別建立了以最高時流量設計管網的模型和以期望時流量設計管網的模型,以年費用折算值加上清水池年造價折算值為目標函數,以連續性方程、管中流速和鑄鐵管耐壓值等為約束條件,進行并行遺傳演算法對給水管網優化設計的實現。
  2. By the adoption of a colunm with highly effective bubblecapplates and float valves and the strict control of demineralized water consumption, the total amount of dilute aqua ammonia from the three sections of earbonation, final purification and synthesis is less than the quantity of dilute aqua ammonia required for the production of ammonium bicarbonate, with zero discharge of the dilute aqua ammonia, thus not only prolecting the environment but also realizing a cestain economic benefit

    通過採用高效泡罩板塔、浮閥塔,嚴格控制軟水用量,使碳化、精煉、合成3個工段所產生的稀氨水總量小於生產碳酸氫銨所需的稀氨水量,達到稀氨水的零排放,不僅保護了環境,而且取得了一定的經濟效益。
  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. The primary representations of the vulnerabilities of water resource in hengyang basin where is a typical hilly region with red and purple soils in south china are analyzed : the precipitation re source varies greatly in spatial and temporal distribution ; the soils and rock property are not in favor of water and soil conserving ; the structure of crops needs a high water consumption ; and the farm irrigation works are timeworn and frangible

    摘要以中國南方典型的紅壤和紫色土丘陵區衡陽盆地為例,分析論述了衡陽盆地地表水資源脆弱性主要表現在:降水資源時空分佈不均勻;不利於水土保持的地表物質組成和植被覆蓋;耗水量大的農業種植結構以及調蓄水功能弱的農田水利工程體系等方面。
  5. Hygienic standard for water consumption in rural areas

    農村生活飲用水量衛生標準
  6. Got a high or low water consumption notice from the water supplies department

    為甚麼會收到水務署發出的高/低用水量通知書?
  7. Responsible for finding out errors or criminal facts and giving punishment accordingly as for public water supply facility and the user of city water supply devices, peccancy water consumption by the construction site and water waste

    五負責對城市規劃區內使用的公共供水設施和城市自備水供水設施的用水單位,施工工地的違章用水浪費用水及相關用水手續進行現場查處。
  8. Lawn photosynthetic, transpiration and water consumption chatacter go through mostly four seedtime : ( 1 ) lawn physiology development - individual level phases ; ( 2 ) law ecology development - community level phases ; ( 3 ) lawn drought resistance mechanism - molecule level phases ; ( 4 ) theory application in practice - ecosystem level phases

    草坪光合、蒸騰作用及耗水生態特性研究主要經歷了四個發展階段: ( 1 )草坪生理學發展? ?個體水平階段; ( 2 )草坪生態學發展? ?群落水平階段; ( 3 )草坪抗旱機理? ?分子水下階段; ( 4 )理論應用於實踐? ?生態系統水平階段。
  9. Review on the water consumption of tree transpiration

    樹木蒸騰耗水研究進展
  10. According to velocity of soil water consumption, the seasonal dynamics of soil water can be divided into different stages. bentgrass greenbelt soil can be divided into slow consumption stage, quickest consumption stage, quicker consumption stage and slower consumption stage. tall fescue greenbelt soil can be divided into slow consumption stage, quickest consumption stage and slower consumption stage

    季節性變化按土壤耗水速率劃分:本特草坪有弱、強、中和微4個耗水期;高羊茅草坪為弱、強與微3個耗水期;泡桐綠地為中、強與微3個耗水期。
  11. Based on the results of experiments, the process of biomass accumulation and soil water consumption of alfalfa has been simulated with mathematical statistical method, so as to find the character of its accumulated biomass and the law of soil water utilization

    摘要通過種植試驗分析,用數理統計方法模擬了紫花苜蓿生物量累積過程及土壤水分消耗過程,揭示了紫花苜蓿的生物量累積特點及其土壤水分利用規律。
  12. The results show that the water consumption of transpiration can be reckoned through standard specific conductivity of standard tree and the relative model between breast height diameter of tree and sapwood area

    結果表明,通過標準木的標準比導率和樹木胸徑和邊材面積的相關模型,可以比較準確地推算出林分的蒸騰耗水量。
  13. Comparison of the city water consumption short - term forecasting methods

    城市用水量短期預測方法的比較
  14. An experiment has been conducted for investigating the rule of water consumption with three species of turfgrasses : kentucky bluegrass ( poa pratensis ), perennial ryegrass ( lolium perenne ), and tall fescue ( festuca arundinacea ) ; two kinds of irrigation water resources : tap water and sewage effluent ; and two kinds of irrigation methods : subsurface dripping irrigation and subsurface leaky pipe irrigation

    本研究以三種典型的冷季型草坪草草地早熟禾、多年生黑麥草、高羊茅為供試草種,以自來水和經過砂過濾和沉澱處理的城市居民社區的生活污水為灌溉水源,採用地下滴灌和滲灌兩種灌水方法,通過田間對比試驗,探討了污水灌溉條件下草坪草的耗水規律。
  15. ( 7 ) during the process of water consumption, soil water almost lost from the whole profile. the great depth that resulted from evapotranspiration formed soon, but not gradually. infiltrated water was mostly consumed by evapotranspiration during ra

    ( 7 )在以土壤水分消耗為主的時期,土壤蒸發時水分的整體移動性能較強,最大蒸發蒸騰作用層深度很快形成,並不是一個「由淺而深」的漸進過程。
  16. 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。
  17. Results show that the growth of plants is limited, growth of root is enhanced, water consumption is reduced, water use efficiency increase apparently, yield has little reduce when reducing irrigation water and detaining irrigation time properly

    結果顯示:分蘗拔節期適當減少灌水量並推遲灌水時間,能抑制春小麥地上部分的生長,促進根系生長,減少總耗水量,提高水分利用率。
  18. Then some optimal models of water supply networks are enumerated and some factors which can influence the optimal results are analyzed such as the efficiency of pump station, the temporal value of fund, the curve of water consumption and the coefficient of water supply energy and so on

    接著,列舉給水管網優化設計的數學模型,並分析影響目標函數優化結果的各種因素,例如泵站效率、資金時間效率、用水量變化曲線、供水能量變化系數等。
  19. Study on characteristics of growth and water consumption of alfalfa in east gansu province

    隴東春播紫花苜蓿生長及水分規律研究
  20. Secondly, many crop water parameters, including eta, wue and water sensitive parameters etc., were studied through onsite experiment, typical household survey and other methods. by analyzing crop water usage characteristics, we concluded : 1. about eta : the amout of pear water consumption was highest ( 750. 2mm ), however, the watermelon planted in greenhouse consumed only 266. 5mm ; 2

    通過對大田作物需水量與自然降水量的平衡分析,可以將順義區主要大田作物分為三類: 1 )灌溉需求量較大的作物,包括水稻、冬小麥、苜蓿、棉花; 2 )灌溉需求量較小的作物,包括夏播作物(夏玉米、夏花生、夏大豆)和耐旱、避旱作物(高梁、穀子) ; 3 )中間型作物,包括大部分春播作物(春玉米、春花生、春大豆等) 。
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