irrigation method 中文意思是什麼

irrigation method 解釋
灌水法
  • 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。
  • method : n 1 方法,方式;順序。2 (思想、言談上的)條理,規律,秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. Method of use : first dissolve the irrigation in solution as per the specified proportion, then push the irrigating nozzle to the focus, and place the absorbing tube into the solution bottle ; hold the air cell and pinch it repeatedly to wash the focus area with the solution passing through the nozzle

    使用方法:先將沖洗劑按規定比例化成溶液,沖洗咀推入患處,吸液管放入存放溶液的容器中,手握氣囊反復捏擠,沖洗液即可通過沖洗咀沖洗患處
  2. 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。
  3. 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。
  4. 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。
  5. 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。
  6. A method of quantifying irrigation for manilagrass ( zoysia metrilla ) turf is introduced

    摘要以溝葉結縷草為例,推薦一種有效定量灌水方法。
  7. 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。
  8. 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。
  9. Prevention method and freezing damage of hydraulic structures at season freezing soil irrigation areas

    季節凍土區灌區水工建築物凍害破壞原因及防治措施
  10. Abstract : in this paper, the application of splitting grouting method to danger removal and dam reinforcement in pishihang irrigation district, is illustrated and the engineering effect is introduced too

    摘要:文章介紹劈裂灌漿法在淠史杭灌區堤壩除險加固過程中的應用和取得的效果。
  11. 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。
  12. 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
  13. 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。
  14. Abstract : by considering the water resources, agriculture and channel system condition of different counties or zones in jinghui irrigation region, the large system decomposition - coordination model and fuzzy method were applied to study the optimal model of surface and underground water utilization the irrigation region optimal operation schemes of wet, normal and dry years were computed in comparison with the present schemes used in the irrigation regions, the result indicated that the optimal result is practical and feasible

    文摘:在考慮涇惠渠灌區各縣區水資源、農業生產、渠系工程現狀差異基礎上,利用大系統分解協調模型和模糊技術研究該灌區地表、地下水聯合優化調度模型,得出其豐、平、枯年水資源利用方案,並與現有用水方案比較分析,表明該研究結果切合實際,可操作性較好。
  15. Rapid manufacturing method of drip irrigation pipe in - line tubular emitter based on rapid prototyping amp; manufacturing technique

    滴灌管內嵌管狀滴頭的快速製造方法研究
  16. Rapid manufacturing method of drip irrigation pipe in - line tubular emitter based on rapid prototyping amp; amp; manufacturing technique

    滴灌管內嵌管狀滴頭的快速製造方法研究
  17. 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。
  18. With backward irrigation method, rough diversion operation used in agricultural irrigation brought about serious water wasting, moreover, most of irrigation works are outdated and without repair caused serious leakage, as a result, the water utility rate of irrigation is just 0. 38 in weining irrigation area of ningxia, so it is imperative to reform water - saving engineering

    寧夏衛寧灌區灌溉方式落後,農業灌溉實行大引大排,浪費嚴重,且灌溉工程老化失修,滲漏嚴重,平均灌溉水利用率只有0 . 38 。因此,衛寧灌區實施節水改造勢在必行。實施節水改造后的衛寧灌區本文稱為沙坡頭灌區。
  19. In northern china, drought and soil erosion are very severe. so, it is necessary to search for a new efficient irrigation method which is suitable for water holding and drought resistance in northern china. water storage pit irrigation is a new orchard irrigation method suitable for northern hilly region

    我國北方地區不僅存在乾旱問題,水土流失問題也相當嚴重。尋求適合於北方地區保水抗旱、高效灌溉的新方法是十分必要的。
  20. Drip irrigation under mul : h is a new irrigation method, as utiliz e the advance of drip irrigation and plastic film cultivation technique. the conditions influenced crop water requirement are changed in drip irrigation under mulch, thus crop water requirement pattern is different from conventional irrigation forms. it is very useful to research field mulched crops water requirement pattern watering with drip irrigation

    膜下滴灌是地膜栽培與普通地表滴灌相結合的產物,在地膜覆蓋和滴灌的綜合效應下,作物的生長與在常規條件下不同,因此影響作物需水量的一些基本條件都發生了變化,對于膜下滴灌作物需水量和作物系數還需要做進一步研究。
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