irrigation water 中文意思是什麼

irrigation water 解釋
灌溉水
  • 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。
  • 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;...
  1. Irrigation water is taken from central california agriculture to fill the bathtubs and swimming pods of the rich living around los angeles.

    加利福尼亞中部的農業灌溉用水被拿出灌注了洛杉磯附近富人們的澡盆和游泳池。
  2. The soil self - purification, the influencing and determinate factors of the soil environmental capacity, and its application in controlling the area gross pollutants, constituting the soil - environmental quality standards, the irrigation water quality standards and the contaminative mud standards in farmland were discussed

    論述土壤自凈作用,土壤環境容量影響和確定因素,土壤環境容量在區域污染物的總量控制、土壤環境質量的標準的制定、農田灌溉水質標準、污泥農田施用標準等方面的應用。
  3. The phreatic groundwater in the diluvial fan in front of the helan mountain is mainly recharged by precipitation and the lateral flow from the helan mountain ; the phreatic groundwater both in the diluvial fan of the qingtongxia gorge and in the fluvial plain is mainly recharged by the influent seepage of irrigation water from the yellow river

    賀蘭山洪積扇單一潛水主要接受山區側向徑流及大氣降水補給;青銅峽洪積扇單一潛水及沖湖積平原上覆潛水,主要接受黃河灌溉水的入滲補給。
  4. Fertigation has become increasingly popular across the united states as water costs rise and issues related to the environment dictate more precise control of both irrigation water and fertilizer, especially nitrogen

    隨著灌水費用的提高和環境上要求更精確地控制灌水量和施肥量尤其是氮肥,在美國灌溉施肥越來越普遍。
  5. The stem of helianthus tuberosus ( l. ) had the ability of containing high contents of na + and cl -, and selectively absorbed k + in high proportions seawater irrigation ; the above and tubers yields of helianthus tuberosus ( l. ) had n ' t decreased until at the 50 % proportions seawater irrigation where the yields decreased by 37 % and 32 % in contrast to freshwater - irrigated. it meant that through natural weather, reduction of yields was occurred by salinity of irrigation water but the reduction was not significant until the proportions of seawater in irrigation water were the same as 50 % or above it

    海水灌溉下,菊芋的莖部具有明顯的貯cl ~ - 、 na ~ +能力,在高濃度海水灌溉下菊芋整個植株對k ~ +具有較高的選擇吸收性;菊芋地上部和塊莖產量在30海水處理范圍內,沒有減產趨勢,在50海水灌溉下減產幅度分別為37和32 ;可見,正常自然條件下的海水灌溉,對產量的影響主要和灌溉水的濃度有關,但只有在50處理下才顯著減產,低於50產量並無差異。
  6. Irrigation district water - measuring is the important method and guarantee of practising using water planly, assignment accurately, using irrigation water equably and meterage

    灌區量水,是實行計劃用水、正確分配、合理使用灌溉水的重要手段,是實行計量收費的重要保證。
  7. The water management research unit is an interdisciplinary group of scientists conducting research in irrigation water management and methyl bromide alternatives

    描述:水資源管理研究機構是一個跨學科的在灌溉用水管理和甲基溴化物替換品研究領域科學家團體。
  8. Collecting a large number of atmosphere, soil and irrigation water, using the method of monomial and composite pollution exponent, the general situation of grain early warning is studied and a grain early warning system is built

    本文從糧食生產過程中的大氣、土壤及農田灌溉水出發,運用單項污染指數與綜合污染指數相結合的評價方法進行糧食生產的預警研究,構建了糧食本底安全預警系統。
  9. Trickle irrigation is regarded as a significant technology of water - saving irrigation, because we can exactly control the quantity of irrigation water, decreasing ground evaporation and deep - seated leak

    滴灌系統作為一種優秀的節水灌溉技術,它能夠精確的控制灌溉水量,減少地面蒸發和深層滲漏。
  10. The paper quests for several unfathomed problems in water - saving irrigation water managementand establishes the corresponding optimization model. the optimization model of water - saving irrigation water management gained from the paper can provide basis for management of agriculture water in the areas that is short of water, and it also can provide reference for similar area in the north

    論文對節水灌溉水管理中的幾個主要有待解決的問題進行了探索,建立相應的優化模型。所得的節水灌溉水管理優化模型可為缺水地區的農業水管理提供依據,在北方相似地區具有一定的參考價值。
  11. Losing irrigation water may mean either abandoning land or less double cropping

    灌溉用水短缺的直接影響不是廢棄農田,就是減少一年兩作。
  12. 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。
  13. Abstract : based on the principle of balance of surface irrigation water volume, a method for determination of field average infiltration parameter according to the irrigation data is introduced

    文摘:本文根據水量平衡原理,提出了利用大田畦灌灌水資料推求土壤入滲參數的方法,在此基礎上,又提出了利用波涌灌水流推進和消退資料確定間歇入滲減滲率系數的方法。
  14. 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。
  15. An instrument of measuring irrigation water flow with higher precision has been developed by means of integrating smart ic card with turbine flow sensor, which improves the existed flow measuring technique for pumping well from the aspects of precision, sensing, capacity, data storage, safety and monitoring, and then enhances the precision of the irrigation flow measuring device from 1m ^ 3 to over 0. 01m ^ 3

    摘要將渦輪流量傳感器與智能ic卡技術進行集成應用,開發出高精度的灌溉用水計量設備,從精度、傳感、容量、數據存儲、安全、監控6方面提高了現有機井量水技術,將灌溉量水設備精度由1立方公尺提高到0 . 01立方公尺以上。
  16. Irrigation techniques - meters for irrigation water

    灌溉技術.灌溉用水表
  17. Results showed that compared with cdi, seed cotton yield under adi increased by 21. 1 % with total water use efficiency and irrigation water use efficiency being improved by 17. 9 % and 20. 9 %, respectively

    根系分區交替滴灌技術在大田條件下可使籽棉產量比常規滴灌處理提高21 . 1 % ,總水分利用效率和灌溉水利用效率分別提高17 . 9 %和20 . 9 % 。
  18. Several trends are converging to reduce the grain area, including the loss of irrigation water, desert expansion, the conversion of cropland to nonfarm uses, the shift to higher - value crops, and a decline in double - cropping due to the loss of farm labor in the more prosperous coastal provinces

    糧田面積萎縮是多種趨勢匯合共同作用的後果,包括灌溉用水短缺、沙漠擴大、糧田轉為非農用地、改種高價值作物,以及在比較富裕的沿海省份由於農業勞動力缺失致使一年兩作的萎縮。
  19. After the observation and analysis on the uniformity coefficient of irrigation and the distribution of soil moisture under each different treatment, a result was got that 35cnrs embedded depth is comparatively appropriate for vegetable cultivation for the high uniformity coefficient and the vegetable cultivation for the high uniformity coefficient and the concentrated distribution of irrigation water in the main root zone

    通過對各處理灌水均勻度和土壤水分分佈的觀測、分析,認為滲灌管埋深35cm時對蔬菜栽培是比較合適的。此時灌水均勻度高,灌溉水大部分分佈在蔬菜主要根系區。
  20. Gis - based irrigation water - use management system

    神經網路在卷煙香氣質量評定中的應用
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