irrigation well 中文意思是什麼

irrigation well 解釋
農灌井
  • 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。
  • well : n 1 井。2 泉水;源頭,來源。3 坑,穴,凹處;【礦物】礦井,豎坑;【軍事】(地雷的)井坑;【建築】...
  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. Forty - five years f expericence in design, inspection, consultation and supervision of large - scale and medium culverts, sluice gates, bridges, dams and lock gates on flatland as well as irrigation and water conservancy

    四十五年從事平原地區大中型涵、閘、橋、南和船閘工程和農田水落石出利規劃設計、審查、咨詢、監理工作。
  3. Article 2 " agro - techniques " mentioned in this law refer to the scientific research results and practical techniques to be applied to crop cultivation, forestry, animal husbandry and fishery, including techniques of breeding good strains, applying fertilizers, preventing and controlling plant diseases and insect pests, as well as plant cultivation and animal husbandry ; techniques of processing, preserving, storing and transporting products and by - products of agriculture ; techniques of agricultural machinery and agricultural aviation ; techniques of irrigation and water conservancy, soil improvement and water and soil conservation ; techniques of water supply and energy utilization in rural areas and agricultural environmental protection ; techniques of agricultural meteorology, and techniques of agricultural management and administration

    第二條本法所稱農業技術,是指應用於種植業、林業、畜牧業、漁業的科研成果和實用技術,包括良種繁育、施用肥料、病蟲害防治、栽培和養殖技術,農副產品加工、保鮮、貯運技術,農業機械技術和農用航空技術,農田水利、土壤改良與水土保持技術,農村供水、農村能源利用和農業環境保護技術,農業氣象技術以及農業經營管理技術等。
  4. According to the least twin multiplication to calculating the sensitivity index in several water production functions. thus, the writer obtains the fitted the value of the sensitivity index and the varied rule. at the same time, the writer puts forward a new method named rag a ( real coding based accelerating genetic algorithm ) and combines raga with dpsa to calculating the best irrigation system under the non - sufficient irrigation of well irrigation rice in sanjiang plain

    根據《隨機水文學》理論中的時間序列分析法,建立了適合三江平原井灌水稻需水量預報的非平穩時序隨機模型;通過分析降雨隨機特性,選定季節性時序隨機模型,建立了適合三江平原井灌水稻降雨預報的月平均降雨模型;根據最小二乘法,計算出幾種常用水分生產函數中的敏感指數及敏感系數,進而得到三江平原適宜採用的水分生產函數漠型及模型中敏感指數的變化規律;本文提出遺傳動態規劃法( raga ? dp ) ,即採用改進的基於實數編碼的加速遺傳演算法( realcodingbasedacceleratinggeneticalgorithm ,簡稱raga )與動態規劃法( dpsa )相結合,推求非充分灌溉條件下三江平原井灌水稻的最優灌溉制度。
  5. 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。
  6. The degree of consistency change of sprinkler head and the o 8mm depression drip pipe with the change of pressure has been tested. the main conclusion of this study has been produced as follows : ( 1 ) the theory will be correct and notable benefit will be obtained through the utilization of the frequency changer in tube - well irrigation, spray irrigation and drip irrigation. ( 2 ) some energy saving effect of the frequency changer utilization in tube - well irrigation, spray irrigation and drip irrigation will be produced, 37

    本項目的研究內容主要包括變頻調速裝置在管灌、微噴以及大棚滴灌中的節能效果、變頻調速裝置對微噴和大棚滴灌均勻度的影響以及變頻調速裝置在管灌中進行「恆量變壓」變頻運行試驗等,同時,對微噴頭與中smm低壓插入式滴灌帶的灌溉均勻度隨壓力變化情況進行一r試驗研究。
  7. The necessary motion spray irrigation powered vehicle composition migration or half fixed spray irrigation unit, use each kind of water source ( well, ditch, river, pond, lake, pond ) carry on the spray irrigation to the size land parcel

    配套移動噴灌動力車,組成移動或半固定噴灌機組,利用各種水源(井、渠、河、池、湖、溏)對大小地塊進行噴灌。
  8. 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。
  9. As a new style system of " monitoring facility of water - saving irrigation ", the ic card controller is widely used in agricultural well irrigation areas for water charging

    摘要ic卡機井取水控制器作為水資源管理、工農業用水收費的一種新型取水監控系統,在井灌類型區農業「節水灌溉監控」中得到推廣應用。
  10. 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。
  11. Jqs1series water - submersible3 - phase asynchronous motors adopt a wet water - filling sealed construction and major used in 8 ”, 10 ” well diameter of deep - well to drive the water submersible pumps to lift underground water for plants, mines agricultural drainage and irrigation as well as for city living water required

    Jqs1系列井用潛水三相異步電動機為濕式充水密封型結構,主要用於8 」 , 9 」深井中驅動潛水泵提取地下水,為城市工礦企業,農業灌溉和居民生活提供生產和生活用水。
  12. 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。
  13. Measurements of rainfall and water loss as a result of evaporation are essential for various applications in connection with water resources planning, drainage design, water quality control, reservoir design and operation, irrigation as well as hydrological forecasting and flood control

    量度雨量及因蒸發作用而引致水的損耗非常重要,所得結果可以應用於水利資源策劃排水系統設計水質控制水塘設計和管理灌溉水文預報及防洪等。
  14. Hydrometeorology is concerned with the study of these atmospheric processes which affect the water resources of the earth and which are of interest to the meteorologist and the hydrological engineer. measurements of rainfall and water loss as a result of evaporation are essential for various applications in connection with water resources planning, drainage design, water quality control, reservoir design and operation, irrigation as well as hydrological forecasting and flood control

    水文氣象的研究范圍包括所有影響地球水利資源而氣象學家和水文工程師又有共同興趣的大氣過程。量度雨量及因蒸發作用而引致水的損耗非常重要,所得結果可以應用於水利資源策劃、排水系統設計、水質控制、水塘設計和管理、灌溉、水文預報及防洪等。
  15. Water requirement forecast for rice from well irrigation on the basis of time series analysis method

    基於井灌區管道輸水系統的波涌灌技術
  16. The present utilization and existing problems in water resource of the north of huaihe river in anhui are introduced. based on such research objects as northern guo river of bozhou, jiangtang of fuyang and key city zones, a mathematical model with systems engineering viewpoint is established and used to investigate in water resource problems in the area. the main contents are as following : ( 1 ) groundwater resource and present utilization ; ( 2 ) mensuration of calculational parameters of groundwater and calculational methods ; ( 3 ) economic parameters of irrigation areas ; ( 4 ) establishing northern wo river forecast model with finite element method, areal well - group method and water balance method ; ( 5 ) establishing optimal water resource allocating model for northern jiangtang and new cihuaixin river irrigation area and investigating in the combination of surface water and groundwater, optimal agricultural planting - mode and optimal distribution proportion of various water sources ; ( 6 ) some existing exploitation problems and advices about water resource in the area

    本論文針對淮北地區水資源開發利用現狀及存在問題,以安徽亳州渦河以北地區、阜陽姜堂鄉和重點城市區為研究對象,運用系統工程觀點,採用數學模型方法,對該區水資源問題進行了綜合研究,主要內容為: ( 1 )地下水資源及開發利用現狀; ( 2 )地下水計算參數測定和計算方法; ( 3 )灌區經濟參數; ( 4 )採用有限單元法、面狀井系法、水均衡法,建立亳州渦河以北地下水位預測模型; ( 5 )建立阜陽姜堂及茨淮新河北部的農灌區水資源優化配置模型,應用系統分析的方法,研究地表水與地下水聯合運用,農業最優種植模式及各種水源的最佳分配比例; ( 6 )淮北地區水資源開發利用存在問題及建議。
  17. 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。
  18. Under the filtration irrigation, the water content could remained a fit range from 14 to 22 percent in the layer of 20 to 70 cm deep, however, the general irrigation could reduce the moisture utilization during the growing period of the maize. ( 4 ) filtration irrigation could well adjust the soil temperature so that the root system made a sufficient absorption of the moisture and mineral nutrinents

    從土壤含水量測定分析看,在20 70cm土層,滲灌水分含量一直維持在玉米正常所需的14 22范圍內,而漫灌分兩次灌水,在每次灌水前一段時間水分含量要下降到14以下,出現水分脅迫,尤其影響到玉米的前期生長。
  19. But within the boundaries the multi - basin terrain, the elevation not high the topography fluctuation is changeable, from this each kind of land type is extremely rich, has the mountainous region, the land on slopes, the flat land, the sand beach, the irrigation and so on, from this this is since the ancient times rich on the products, north each crops forest as well as cultivation raising livestock has produces

    境內多盆地地形,海拔不高但地勢起伏多變,由此各種土地類型極為豐富,有山地、坡地、平地、沙灘地、灌溉地等等,由此該地自古以來就物產豐富,北方各種作物林木以及養殖畜牧均有出產!
  20. It can be used for water supply and drain in factories, mines, cities and power stations, agricultural water drain and irrigation as well as water engineering

    如精礦尾礦灰渣煤渣水泥泥土礦礫等強硬度強腐蝕高濃度渣漿。被輸送的固.
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