irrigation conditions 中文意思是什麼

irrigation conditions 解釋
灌溉條件
  • 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。
  • conditions : (旅遊合同中)條件或服務項目
  1. In recent years, the water - saving and control irrigation technique of rice has diverted from plot experimental and demonstration to lare scale. and has got remarkable economic and social benefits. amed at the characteristics of this irrigation area, optimal selection for water - saving techniques of rice, deciding the amout of leaching water and irrigation modles, investigating the adaptability of the water - saving and control irrigation technique in saline land. studying the increase in production mechanism of the technique are important to extend the technique, to better and develop saline land as well as slick spots. according to the results of field experiments, optimization study was conducted on the water - saving irrigation technique of rice in saline land, the effects of different water - saving irrigation techniques on the physiological indexes and yield of rice were systematically analyzed. by using mutiplepurpose fuzzy optimization method, better. water - saving irrigation technique was selector out, that is. the control irrigation technique in rice. the mechanism of it was analyzed from the aspect of the physiological and ecological saving water of rice to provide the implemental process and technical point ; throgh the quantitive analysis and comparision on control irrigation and control class ( flood irrigation ), high production and quality mechanism of the technique was analyzed in terms of physiology indexes of rice, the variation of soil moisture, the pest resistance and the lodge resistance, the change of soil temperature in paddy fields. the yield constitutive factors, the quality of rice and so on. in saline land. control irrigation and intermittent leaching modles were adopted to validate the adaptability of the technique in irrigation of rice in saline land, to analyze rice ' s physiological - ecological indexes and the change of soil salt content under the conditions of control irrigation leaching of rice and and to provide control irrigation and combined modle of intermittent leaching to adapt to different conditions

    本文從試驗及試驗資料入手,取得以下主要成果和結論:對鹽堿地水稻節水灌溉技術進行優化研究,系統地分析了不同節水灌溉技術對水稻生理指標及產量的影響,採用了多目標模糊優化的方法,對灌水技術進行綜合評判,優選了節水灌溉技術,論證該地區宜採用水稻控制灌溉技術;闡述控灌技術通過調節和控制水稻的需水規律,降低水稻高產情況下的無效水量消耗,從水稻生理、生態節水兩方面分析了控灌技術節水機理,針對性地總結出水稻各生育期實施節水控灌技術的步驟及技術要點;通過控灌與淹灌的定量對照比較,從根系、莖蘗、冠層葉片及綠葉動態到株高,土壤水分變化,抗病蟲害、抗倒伏能力,稻田土溫變化,產量構成因素及稻米品質等諸多方面進行動態比較,分析控灌技術高產優質機理;在鹽堿稻地採用控制灌溉+間歇淋洗模式,跟蹤測試田間水鹽變化狀況,驗證控制灌溉技術在鹽堿地區水稻灌溉中應用的適應性,通過分析水稻控制灌溉淋洗條件下水稻生理生態指標,提出優化控制灌溉+間歇淋洗組合模式,為進一步在高礦化度地區試驗水稻控灌技術奠定基礎。
  2. The research posed the strategic aim and choice of irrigable agriculture in the area, . by analysis and discussion of latent capacity and present conditions of water resource and land resource. the focus points include : formulate and implement reform strategy ; agriculture industrialization strategy ; economical irrigation strategy ; sustainable development strategy ; agricultural modernization stratagem

    本文主題是甘肅省東中部地區灌溉農業的發展方略問題,通過對東中部地區水資源和土地資源的現狀和潛力進行大量的分析和探討后,提出甘肅省東中部地區灌溉農業發展的戰略目標和戰略選擇。全文共分為五大部分展開論述。
  3. During wheat and barley bred in winter in sanya, some technological characteristics concerned must be wielded according to the ecological conditions there. 1 ) carefully select materials and avoid planting the materials that can not head in sanya. 2 ) cultivated measure : spread lime before ploughing ; and make furrows during soil preparation. spread funandan in sowing furrows. after every irrigation and heavy rains, surplus water must be drained off immediately and soil must be intertilled in time. it is also a key measure in breeding in winter to prevent and eliminate the plant disease, pest and mice during plant growing period. 3 ) the flowering period of parent for hybridization must be adjusted. 4 ) the criterion for each trait selection to breeding materials should be soften to different degrees

    在三亞冬繁麥類時,應根據當地生態條件掌握好有關技術特點:慎重挑選冬繁材料,盡量避免攜帶可能在三亞不抽穗的材料;栽培措施應注意耕翻前撒施石灰,整地需開廂起壠,播種溝先撒呋喃丹,灌水及大雨後要排除余水,及時鬆土,生育期間注意防治病蟲鼠害;雜交親本應注意調節花期;對育種材料各性狀的選擇標準都要不同程度地放寬。
  4. Chapter v : development strategy of irrigation agriculture the western grand development strategy provided such as never previously existed dance of agriculture development in the east and central area of gansu. so people should grasp firmly the chance and work out such agriculture development strategy as suitable to local conditions strategy of irrigation agriculture reform ; agriculture industrialization strategy ; economical irrigation strategy ; sustainable development strategy ; agricultural modernization strategy

    在實現灌區農業現代化過程中應著力解決好以下幾個問題:繼續深化農村改革,穩定和完善家庭聯產承包責任制,實行適度規模經營;實施農業產業化經營戰略,提高農業經濟效益;依靠勞動密集型投入,以生物技術現代化為主,促進農業生產率的提高;增加投入,發展農業基礎設施;大力開發科教興農,推進農業科技進步。
  5. China is a large country with complex natural conditions. there are much inconsistency between the distributing of water resource and the requirement of industry, agriculture and life on time and space. pumping station is very important in the delivery, supply of water resource, especially the large - scale irrigation and drainage pumping station, which has very important contribution in fighting droughts and waterloggings

    我國地域遼闊,自然條件復雜,水資源在時間和空間上的分佈與工農業及生活的用水需求存在很多矛盾,泵站在水資源調配及工農業供水等方面起著十分重要的作用,尤其是泵站中較典型的大型排灌站,在抗旱排澇、減輕災害中發揮著巨大的功能。
  6. 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。
  7. 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。
  8. The factors causing soil salinization include natural factors such as climate, hydrological and geological conditions, and human - made factors, such as irrigation patterns and cultivating system

    鹽漬化土壤類型主要為典型鹽土、沼澤鹽土、堿化鹽土和乾旱鹽土。
  9. Seed varieties suited to africa ' s difficult conditions ? where crops are watered by intermittent rains, not by a reliable system of irrigation ? were invented

    各種能適應非洲惡劣條件的種子早已被培育出來? ?在非洲農作物都是依賴斷續的降雨來灌溉,而沒有可靠的灌溉系統。
  10. The canadian government attaches importance to the sustainable development of grassland livestock industry, and governments of all levels provide various support to small farmers. for example, some large - scale infrastructure such as irrigation system and fence is invested by the state ; free services are provided to farmers in terms of technical guidance and application of new technologies and research results ; a sound and in - place it service system creates favorable conditions for farmers to participate in international market competition

    感到加拿大政府高度重視草地畜牧業的可持續發展,各級政府對小農戶發展給予了多方面的支持:在一些大型基礎設施建設上,如灌溉系統的興建圍欄建設等,由國家給予投資在技術指導新技術新成果應用等方面為農民提供無償服務信息技術服務體系健全到位,為農民參與國際市場競爭創造了有利的條件等。
  11. The approach for dealing with the upper surface boundary conditions to adapt the complicated situation such as infiltration of precipitation or irrigation, surface ponding, runoff formation, evaporation and evaportanspiration as well as the alternative occurrence of these situations are proposed

    提出了適應降雨灌溉、蒸發等復雜的上邊界條件的處理方法,可以用來統一計算土壤剖面降雨灌溉入滲、地表積水、地表產流、蒸發、蒸騰以及當這些現象交替出現時的水分運動過程。
  12. Crop - water relationship and availability of field irrigation water based on swap model simulation were studied in two areas of a largest - sized irrigation district - hetao irrigation district in the western arid area of china respectively according to its unique characteristics of hydrology and water resources so as to provide a theoretical basis and technical support for its water - saving transformation and agricultural sustainable development. the results can also be applied to other areas with similar natural and agricultural conditions

    本文針對我國西部乾旱區的特大型灌區?河套灌區所具有的獨特水文水資源條件,選擇兩個典型區域分別進行了作物-水分關系和基於swap模型模擬的田間灌溉水有效性研究,以揭示和確立水分對乾旱區作物產量的影響和量化表達與淺地下水位灌區農田水分運移轉化規律和灌溉水對作物生長利用效率的評價方法,為河套灌區以節水為中心的技術改造和可持續發展提供理論基礎和技術支撐。
  13. Jahezi reservoir is located at the northwest arid area of china, the primary tasks of which are flood control land irrigation. it has been reinforced in 2003 so the discharge capacity and the safety of dam were increasing at large degree, which created the conditions to utilize the flood sufficiently by raising the limited water level

    夾河子水庫地處我國西北乾旱區,主要承擔防洪及灌溉任務, 2003年除險加固完成後,水庫的泄流能力及大壩安全都有很大程度的提高,為水庫抬高汛限水位,實現洪水資源化創造了條件。
  14. It possesses favourable conditions for irrigation

    它有很好的灌溉條件。
  15. The company serves content around project early days, metaphase, later period each phase, cover earth to build, each major such as adornment, installation, municipal, gardens, traffic, irrigation works ; especially : service of representative of invite public bidding permeates reconnaissance, design, inspect manage, construction, equipment, material, purchase wait for each domain ; cost seeks advice use current the most advanced tsinghua si weier is three - dimensional system of software calculating an amount, control to the project executes the spot to be mirrorred in real time and undertaking cost dogs ; the adroitness in project management uses fidic term and conditions of contract, the mature construction on international project management pattern introduces in management of domestic construction project ; company of software of subordinate path be in harmony is with advanced science and technology rely on, foot of client of prep close behind leads the market, dedicated the development at project software, apply with promotion

    公司服務內容圍繞工程建設前期、中期、後期各階段,涵蓋土建、裝飾、安裝、市政、園林、交通、水利等各專業;特別是:招標代理服務滲透到勘察、設計、監理、施工、設備、材料、采購等各領域;造價咨詢採用當前最先進的清華斯維爾三維算量軟體系統,對工程實行現場實時反映並進行造價跟蹤控制;項目管理中熟練運用fidic合同條件,將國際上成熟的建設項目管理模式引入到國內建設項目管理中;下屬道融軟體公司以先進科技為依託,緊隨客戶步調引領市場,專注于工程建設軟體的開發、運用與推廣。
  16. Based on the analyses of the investment of nozzle tube net and relationship between the annual operation cost and tube diameter function of a fixed spray irrigation system, a mathematic model to calculate the economical tube diameter of a spray irrigation system is developed by using the minimum expense norm and nonlinear planning theory in engineering economic analysis, and a direct calculation formula for the economical tube diameter in unrestrained conditions is presented

    摘要在分析了固定式噴灌系統的管網投資、年運行費用與管徑函數關系的基礎上,利用工程經濟分析中費用最小化準則和非線性規劃理論,建立了求解噴灌系統管網經濟管徑的數學模型,並給出了無約束條件直接求解經濟管徑的計算式。
  17. Studying on the mechanism of nitrogen transport and transformation under the conditions of fertilization and irrigation with sewage effluent is very important for utilization of sewage effluent and fertilizer and pollution control. based on laboratory and field experiment and numerical simulation, nitrogen transport and transformation has been investigated in this dissertation

    污水灌溉和施肥條件下,氮素在土壤與作物系統中遷移轉化規律的研究,對于合理利用污水資源和合理施肥,最大限度提高水分和養分的利用率,減少硝態氮淋洗風險,具有十分重要的意義。
  18. With the in - built drip irrigation belt and thin wall chip irrigation belt taken as examples, the flow rate distribution and hydraulic losses of drippers along capillary tubes at different inlet pressures were measured under the conditions of horizontal slope and slope gradients of 0. 5 % and 1 %, then the uniformity of capillary tubes was calculated at different slope gradients and pressures in consideration of the manufacture deviation of drippers

    摘要以內鑲式滴灌帶和薄壁滴灌帶為研究對象,測定了平坡、 0 . 5 %坡度和1 %坡度時,不同入口壓力下滴頭沿毛管的流量分佈和水力損失,並結合滴頭的製造偏差,計算得出不同坡度和壓力條件下滴灌毛管的均勻度。
  19. On the basis of the study and combining the meteorological statislics of the past 13 years ( 1988 2000 ) of the beijing area, we submit a plan of turf irrigation for consideration to the beijing turf management and sewage effluent irrigation office, together with data of soil moisture and water consumption in three different annual precipitation conditions

    在此基礎上,結合北京地區的有關氣象資料,初步分析制定了不同降雨年型草坪污水灌溉制度,為北京市城市草坪污水灌溉管理提供參考依據。
  20. But currently a huge amount of sediment deposited there has caused severe problems and need to be dredged. dredging is one of the effective engineering measures to control floods and improve navigation, irrigation conditions and environment

    但是,目前這些河流、湖泊、水庫和港口的泥沙淤積嚴重,需要進行清淤疏浚,以提高防洪、灌溉、通航能力,改善生態環境。
分享友人