ground water irrigation 中文意思是什麼

ground water irrigation 解釋
地下水灌溉
  • ground : adj 碾碎了的,磨過的,磨成粉的。 ground and polished piston 【機械工程】研磨活塞。n 1 地,地面;...
  • 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;...
  • 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. 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 the third part, a comprehensive check experiment was made on percolation irrigation and furrow irrigation : the percolation irrigation is superior to the furrow irrigation for such advantages as saving water, saving energy, increasing production, raising air temperature and ground temperature inside the shelf, lowering air humidity inside the shelf and reducing plights, and ect

    第三部分對棚室番茄滲灌和溝灌進行了全面的對比試驗,通過試驗可以得出滲灌較溝灌省水、節能、增產、提高棚室空氣溫度和地溫、降低棚室空氣濕度、減少病蟲害等一系列優點。
  3. 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。
  4. To adopt well irrigation and well drainage, develop and utilize ground water resources of irrigated area can not only effectively reduce the ground water level and prevent secondary alkalization of the soil, but also provide timely irrigation to crops through well and canal complementary

    摘要灌區灌溉採用井灌井排,開發利用地下水資源,不但能有效降低地下水位,防止土壤次生鹽堿化,還可以通過井渠互補,使農作物得到適時灌溉。
  5. 4 in order to make. the decision adjust to the practice, and use the limited water resources more rationally. a multi - objective fuzzy decision method for irrigation district is presented considering fuzzy connection, then a method is given to get the changeable objective weight of each stage. this model can solve the decision in conjunctive use of ground and surface water

    4 、為合理利用水資源,使渠井結合灌區的地表、地下水聯合調度決策與實際結合更緊密,本文在陳守煜建立的多指標模糊關系優選決策理論基礎上,提出了考慮時段指標變權重的多指標模糊關系優選決策方法,模型中各指標的權重隨作物所處生長階段的不同發生變化,並將模型與演算法應用於實際例子中,取得了較為滿意的結果。
  6. Article 3 the term “ water resources ” as referred herein shall mean utilization of artificial means or control of surface or ground waters for the purposes of flood control, tide water defense, irrigation, drainage, leaching of injurious salt, soil conservation, water reservation, silt dredge, water supply, pier construction, navigation, and water power development

    第3條(水利事業之定義)本法所稱水利事業,謂用人為方法控馭,或利用地面水或地下水,以防洪、御潮、灌溉、排水、洗咸、保土、蓄水、放淤、給水、築港、便利水運及發展水力。
  7. Through analyzing and researching the physiognomy map of hebei plain > the fourthly epoch map of hebei plain > engineering geology map of hebei plain, hydrogeology map of hebei plain. lithology map of the fourthly epoch and ancient watercourse map of hebei plain, achieving the fixation factors that control the arising and development of the ground fissures, such as, the earth ' s crust tress, the fourthly epoch lithology, the chancing of ground water table, active faults and ancient watercourse, and also making sure the exponents of each factors ; researching random factors, such as, precipitation. and agriculture irrigation, and making sure the exponents of each factors too

    找出了地裂縫發展的周期,對地裂縫的發展趨勢進行了預測;圈定了地裂縫發生敏感點。在分析河北平原第四紀地質圖、地貌圖、工程地質圖、水文地質圖、古河道圖基礎上,找出了河北平原地裂縫致災固定因子如:地殼應力、第四紀巖性、地下水位埋深降幅、活斷層和古河道,並確定劃分各因子指數;研究地裂縫隨機因子,如大氣降水和農業灌溉,並劃出各因子指數。
  8. The purpose of this web site is to share my experiences with workers in any country on water logging in agricultural lands, irrigation induced soil salinity, subsurface drainage for agriculture ( horizontal and vertical ), reuse of groundwater, ground - water hydraulics, ( geo ) hydrology, rainfall and surface runoff relations, reclamation and improvement of water logged saline, salty, sodic alkaline, and acid sulphate soils, plant growth, crop production and responses as well as statistical analysis consisting of segmented linear regression and cumulative frequency distributions

    描述:探討農業耕地的水澇問題;灌溉導致的土壤鹽堿化;地表灌溉;地下水的再利用;地下水水力學;雨水與水流失的關系;淺地表排水;土壤開墾及水澇,酸性,堿性土壤的改良;片段線形回歸和累積頻數分佈的統計分析等。
  9. Type qj submersible deep - well motor pumps are mainly used to lift under ground water, irrigation and industrial water supply

    Qj深井潛水泵主要用於抽取地下水,農田灌溉,工業給排水。
  10. The mission of the conservation and production research laboratory is to 1 ) develop improved water management methods and irrigation technology for sustaining or enhancing crop productivity, improving water use efficiency, reducing ground water use, and enhancing water and soil quality ; 2 ) develop management practices that optimize the use of water, soil, climatic, and nutrient resources for economically and environmentally sustainable crop and livestock production systems under dryland and limited - irrigation conditions ; 3 ) develop systems for utilizing renewable energy sources ( wind, solar, and biofuels ) for pumping irrigation, livestock, and farmstead water and generating electric power ; 4 ) develop regimens that reduce environmental risks posed by accumulations of feedlot wastes by reducing the phosphorus content, improving nutrient utilization, and applying manure to grasslands

    描述:美國農業部保持與生產研究實驗室的主要任務是: 1 .開發水資源管理方案或灌溉技術,提高用水效率,減少地下水使用,改善土壤和水質; 2 .使水資源、土壤資源、氣候和養分資源達到最優化,以保證在乾旱和灌溉條件有限的地區種植業和畜牧業能可持續發展; 3 .開發可再生能源用於灌溉、畜牧飼養和發電; 4 .通過減少磷成分,降低飼養場廢棄物的環境風險,將其施用於牧草地,提高養分利用率。
  11. In the end, the paper gives more suggestions on combined use of yellow river water and ground water, rational distribution of irrigation wells, and allocation of yellow river diverted into the irrigation area

    本文還為實現地表水和地下水的聯合調度,合理利用水資源,克服因引黃灌溉引起的負面影響提供了有益建議,探討了黃河水和地下水聯合調度、地下水開發宏觀布局及灌區內黃河水的優化調度。
  12. It is one of the best water - saving irrigation methods that can save water in the highest degree for such advantages as saving water, saving energy, increasing production, raising air temperature and ground temperature inside the shelf, lowering air humidity inside the shelf, decreasing plight and reducing the use of pesticide and chemical fertilizer, etc. but percolation irrigation is far from a ripe irrigation method for the problems existing in the development of pipes for pi and the two difficult problems which hamper the development of pi ( one is the low uniformity degree irrigation, the other is the blockage in percolation irrigation pipes )

    它是迄今為止最節水的一種灌水方法,具有省水、節能、增產、提高棚室空氣溫度和地溫、降低棚室空氣濕度、減少病蟲害、少施農藥和化肥等優點。但滲灌還不是一種成熟的灌水方法,滲灌的發展,首先取決于滲灌管的研製;其次是阻礙滲灌發展的兩大難題:滲灌的灌水均勻度和滲灌管的堵塞兩大難題的解決與控制。
  13. The field experiment study for cotton and corn was conducted in xiaobakou irrigation experiment station in minqin country, gansu province. the main results are as follows : ( 1 ) applying the theory of soil - water flow system in ground water, the mechanism of water - saving and product - enhancing for drip irrigation under mulch were analysised

    本文以棉花和玉米為研究對象,在甘肅民勤小壩口灌溉試驗站對此進行了系統的田間試驗研究,得出以下主要結論: ( 1 )應用地下水土壤水流動系統理論,分析了膜下滴灌節水增產的機理。
  14. According to our analysis, the farmers in quzhou are in the second phase, which means they already have enough food and put much more inputs for earning high yield and high income. ( 4 ) the ground water table was getting down, caused by precipitation decreasing, no river water coming due to the upstream reservoir, complete drainage in rainy season and irrigation using groundwater

    ( 4 )自然降水量的降低、上游水庫的攔蓄,使平原失去了獲得水源的機會;內部防洪排瀝體系的完善,致使入滲補充地下水減少;耕地灌溉率的增加,導致農業用水量不斷加大,這些因素共同作用使區域水資源失去平衡,引起地下水位的下降,從而促使鹽漬土表層脫鹽。
  15. Seepage field, seepage deformation and seepage control measures of hydraulic engineering, ground water resources, and irrigation and drainage

    水工建築物、尾礦壩及灰壩的滲流場、滲透變形和滲控措施,地下水資源開發評估,農田水利,堤壩安全監測。
  16. In field study, the expenment on nitrogen transport and transformation in soils with different irrigation ( with both ground water and sewage effluent ) and fertilization levels has been conducted. with considenng the n - uptake, nitrification and demtrification processes, a model for describing no2 - - n transport and transformation in unsaturated soil has been applied. results show that, the n03 + - n accumulating in soil is contributed more by fertilization but lees by irrigation with sewage effluent, and the model can be used to simulate no3 - - n transport in soils

    在室外進行了不同清污水灌水量與施肥條件下氮素遷移轉化試驗,同時進行了考慮根系吸收,硝化和反硝化的田間非飽和no _ 3 ~ - ? n遷移轉化模型的數值模擬,研究結果表明與施肥相比,污水灌溉對土壤中no _ 3 ~ - ? n累積的貢獻較小,所建立模型可用於模擬no _ 3 ~ - ? n在土壤中的遷移。
  17. Soil texture, moisture, bulk specific gravity, ground temperature and irrigation water temperature are the major factors which influence the infiltration capacities of frozen soils

    土壤質地、容重、含水量、地溫和灌溉水溫是影響凍融土壤水分入滲的主要因素。
  18. 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。
  19. According to the annual production program, predictted the subsidence by probability - integral method, and then advanced the method that restore the irrigation and draining function of the water system on the ground in the subsidence area, it is changing route of ditch and river system reconstruction

    根據張集礦年度開采計劃,對礦區未來可能產生的開采沉陷採用概率積分法進行預計,根據預計結果提出了塌陷區內水系灌溉排澇功能的動態恢復治理方案,即水渠改道和水系重建。
  20. A county - wide dynamic optimization model is used to evaluate the potential contributions associated with the adoption of sophisticated irrigation system technology and anticipated biotechnological advances in crop production on ground water conservation

    描述:採用一個全國性的動態優化模型來估計復雜灌溉系統技術帶來的潛在作用,並預測生物技術在農作物生產中利用地下水方面的好處。
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