water balance method 中文意思是什麼

water balance method 解釋
水量平衡法
  • 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;...
  • balance : n 1 〈常作 a pair of balances〉 天平,秤。2 平衡,均衡,對稱;抵消;比較,對照,對比。3 (鐘表的...
  • 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. Study achievement appears as following aspects : ( 1 ) yellow river estuary gate river flow and tide flow mixed area is not keep standing deposition status, on special income water and sediment conditions, boundary conditions and oceanic power conditions, this area may on the scour status ; ( 2 ) observed from estuary sediment deposition distributing process : delta and sea offing area sediment deposition vary trend is similar, each part sediment deposition scale varies as wave shape ; ( 3 ) on estuary gate, affect the sediment deposition factors, primary factors are tide prop, the gate widens gradually, estuary gate have branches, brine induced flocculation. this paper study the estuary gate widen, estuary gate have branches to affect the river channel deposition in quantity ; ( 4 ) based on field measured data, for the first time, deduce the estuary sediment deposition and distributing regress formula which can estimate estuary different areas sediment deposition volume ; ( 5 ) this subject demonstrate the estuary delta coastline dynamic balance conception, build the relationship between the estuary income sediment with deposition land area, draw the following important conclusion : when estuary years - averaged income sediment keeps at 345 million tons, the delta coastline may on the dynamic balance status. ( 6 ) this subject firstly brings up estuary sediment optimized control conception, and has the primary study on the macroscopically optimized control conception method

    研究認為: ( 1 )黃河河口口門逕流潮汐區域並非持續保持淤積狀態,在特定的來水來沙、邊界條件和海洋動力條件下,該區域可以處于沖刷狀態; ( 2 )從河口泥沙沉積分配的過程來看:三角洲與濱海區泥沙的沉積變化趨勢是基本一致的,各部位的泥沙沉積比例變化基本呈波動狀態,且三角洲與濱海區泥沙的沉積比例與來沙量密切相關,基本成正比關系; ( 3 )在口門處,影響泥沙沉淤的因素主要集中在潮汐頂托、口門逐漸加寬、河口門分汊、鹽水造成絮凝等,本報告主要對口門加寬,口門西妥理工大學工程碩士專業學位論文分漢對河道淤積的影響進行了定量分析: (一扣根據實測資料首次建立了河贖流路泥沙沉積分配的回歸計算式,據此可以預估計算河口不同區域泥沙的沉淤量; 、 5 )本項研究首次論證了河口三角洲岸線動態平衡的概念,並建立了黃河河口來沙量與造陸面積的相關關系,得出了當河口多年平均來沙量維持在3 . 45億t時其河口三角洲岸線則可能處于動態平衡狀態的重要結論; 『 6 )本項研究首次提出了河口泥沙優化調控的概念,並對其宏觀優化調控模式進行了初步探討。
  2. 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。
  3. The recommended water ( by balance method ) and nitrogen ( by kns system ) practices were compared with conventional practices on spinach growth in field experiment

    摘要針對傳統水肥方式中存在的投入過量問題,採用控制耕層土壤濕度以及應用kns氮素推薦系統對菠菜的產量及水氮利用進行了研究。
  4. 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。
  5. The grade composite, road performance and its mechanism are systemically studied. 1 ) the aggregate grade of ogfc is studied through the volume method base on the analysis of the aggregate grades. then the grade is verified and the relation between the grade and pore rate is studied statistically, the typical grades of ogfc are developed ; 2 ) the reasonable pore rate of ogfc is studied on the basis of the balance of mechanics and function performance ; 3 ) the mineral fiber is added to the ogfc mixes to increase asphalt content, thus the anti - water performance of ogfc mixes are improved ; 4 ) high viscous asphalt fit for the preparation of ogfc is prepared through composite modification by sbs and rubber powder ; 5 ) the mechanics mechanism of ogfc is studied in the paper, it shows : asphalt paste, as well as the coarse aggregate skeleton, is essential to the mechanics of ogfc

    在分析各國ogfc級配的基礎上,運用礦料體積法進行ogfc級配設計,用正交實驗對礦料級配進行了優化設計,運用數理統計方法分析礦料級配和孔隙率之間的關系,並回歸出礦料關鍵篩孔通過率與ogfc骨架空隙結構關系的數學方程,進而提出了ogfc的合理級配;通過對不同孔隙率典型級配混合料的性能研究,綜合力學和功能性能,得出了ogfc的合理孔隙率范圍:針對高速公路面層對ogfc力學性能方面的要求,本文從瀝青膠結材料、纖維穩定劑兩方面對ogfc的性能進行改善:通過sbs和橡膠粉復合改性的方法開發出了適合ogfc的高粘度改性瀝青,摻加聚合物纖維,提高ogfc的最佳瀝青用量,進而改善了混合料的高溫性能和抗水損害性能,優化設計出能滿足高速公路路用性能,車轍動穩定度達5000次/ mm以上,動融劈裂強度比90 ,透水系數31ml / s ,並具有防滑降噪功能的開級配瀝青磨耗層( ogfc )混合料。
  6. In terms of economization, it is important to know how to apply these fresh thinking and exert the potential of the new system. this article is based on the existed hvac cooled water system, aiming at the design problems encountered during design process, further bringing out a set of optimum system design method by inducing the concept of the lcc ( life circle cost ) of the water system. according to this method, we can realize overall hydraulic balance without increasing lcc, thus establish the base for high efficiency and economization

    本文在國內外空調冷水變流量系統的研究成果基礎上,針對國內空調冷水系統設計方面存在的不足,對空調冷水系統的優化設計方法做了進一步的研究,將壽命周期費用的概念引入到空調冷水系統設計中去,提出了一種簡單可行的設計方法,根據這種設計方法,能使空調冷水系統在不增加壽命周期費用的基礎上,實現系統全面的水力平衡,為空調冷水系統高效、節能運行奠定了基礎。
  7. Then the stability of typical slopes in different conditions such as servoir water level ' s ascending, slowly descending and sharply descending are evaluated and forecasted by means of the limiting balance method and the numerical simulating method ( flac )

    利用極限平衡法和數值法( flac )對庫區內的典型斜坡在庫水位上升、庫水位緩慢下降和庫水位驟降等不同工況條件下的穩定前景做出了合理的評價與預測。
  8. Take middle - east district of taipusi banner as study area in the paper, combining field observation test ( pumping test and field survey ) with indoor experiment ( granule analysis and organic matter analysis etc ), based on the relationship between hydrological parameters and physical - chemistry characteristic parameters of formation, the variability of aquifer parameters and physical - chemistry parameters of unsaturated zone have been also analyzed. the aquifer system of the taipusi banner is identified and analyzed by using the internal and outside information. on the basis of real pumping of ground water, the water resources evaluated by the water balance method

    本文以太僕寺旗中東部地區為研究區域,採用野外試驗(抽水試驗、實地調查)和室內實驗(顆分、有機質等實驗)相結合的方法,推求了研究區含水層系統的水文水利參數,在系統模擬含水層水理參數與巖性物理化學特徵參數之間的關系基礎上,進一步分析了含水層參數及其包氣帶的物理、化學特徵參數的空間變化特徵,並利用其內外部信息對太僕寺旗含水層系統進行了辯識與分析;以現狀地下水開采量為依據,採用水均衡法評價了研究區水資源總量,並利用有限單元法來模擬分析驗證。
  9. The model incorporated the advantages of the unit model, the water balance model and the hydro - system identification method, and can simulate the real - time and adaptive characteristics of water resources system changes in complex basins

    該模型方法集單元模型方法、水量平衡模型方法、水文系統識別方法之優點,能實時「自適應」模擬復雜流域水資源系統變化。
  10. Based on the idea of unit model, the theory of water balance, and hydro - system identification method, the adaptive system identification unit model ( asiu ), which has been applied and checked up in the tarim river basin, has been put forward in the paper

    摘要針對復雜流域水資源變化模擬這一難點問題,基於單元模型思想,依據水量平衡原理,採用水文系統識別方法,提出了自適應系統識別單元模型( asiu ) ,並在塔里木河流域進行應用檢驗。
  11. This paper presents the dynamic evaluation method for calculation of water energy, based on the performances and material balance theory

    將氣藏這一具體地質開發特徵與物質平衡理論相結合,給出了水體能量的動態評價方法。
  12. 3 the author analyzes the productive and opening potential and forecasts the demands of some kinds landuse and draws some conclusions : ( l ) the main cause for low production and income is the shortness of water and the poor fertility of land ; ( 2 ) constructive land is not suitable for farming and should be used for economy construction, and this is the main path to keep the total number of plantation in balance. 4. according to the land use, the author discover the unsustainable factors and use synthetical index method to evaluate the sustainability of landuse and the results are these : ( l ) synthetical and monomial value increase gradually with the change of time and sustainable degree of landuse rises year by year ; ( 2 ) the artical compartmentalizes the sustainable landuse into four grades : prophase, primary period, basic period and sustainable period according to the synthesical value with 30 %, 60 % and 85 %

    4根據酉陽縣土地資源利用現狀,在評價模型採用綜合指數法進行評價的基礎上,結合單指標多角度評價法,找出土地利用過程中存在的不可持續性因素,採用綜合指數法對酉陽縣土地資源進行可持續利用評價,結果顯示: ( l )綜合評估值隨時間變化呈增加的趨勢,而且單項指標的評估值也逐漸提高,可持續利用度在逐年上升; ( 2 )根據事物發展階段論,按綜合評估值為30 % 、 60 %及85 %將酉陽縣土地可持續利用劃分為可持續利用的前期階段、初期階段、基礎階段和持續階段等四個等級,從酉陽縣1980年、 1990年以及2000年總的土地可持續利用綜合評估值來看,酉陽縣到2000年土地利用管理仍處在可持續利用管理的初期階段,離土地可持續利用的目標還相差較遠。
  13. On the basis of the monitoring results of land subsidence and calculation of deep groundwater resources by using water balance method, it is shown that the leakage recharge from its upper shallow groundwater account for approximately 38. 2 %, drainage of the clay layers, about 41. 3 %, water release from the aquifers, around 5. 6 % and lateral inflow, some 14. 9 %, of the total groundwater resources

    摘要根據天津平原地面沉降監測結果,採用水量均衡法,計算出深層地下水開采量中,淺層地下水越流補給量佔38 . 2 % ,粘土性壓密釋水量佔41 . 3 % ,彈性釋水量佔5 . 6 % ,側向流入量佔14 . 9 % 。
  14. Acceding to the theory of crop water requirement, maximum potential evapotranspirations are calculated by applying fao penman - monteith method, and then we obtain the water requirement, water balance and water correction factors ect. of main crops ( spring maize, summer maize, spring wheat, winter wheat, cotton ) and different type grasslands, and the space - time distribution regularities of water requirement of cropland and natural grassland are analysed, the result show : the water requirements of same kind crop in different areas are different, water satified degrees are different to different crops in the same area, and water requirement of same crop are different between years for climatic variation ; the water requirements of main crops are increasing from east to west and from south to north, water satified degrees are decreasing from east to west and from south to north. in growing season, there are deficits in crops water supply in most area, so the irrigation is needed to meet the requirement for crop growing normally

    根據作物需水的理論和方法,採用計算精度較高的faopenman - monteith方法( 1998 )計算了半乾旱區最大可能蒸散,並基於此計算五種主要旱地作物(春玉米、夏玉米、春小麥、冬小麥、棉花)和不同類型的天然草地的需水量、水分盈虧、水分訂正系數等,分析了農田和天然草地水分供需的時空分佈規律,結果表明:不同地區同一種作物的需水量是不同的,同一地區對不同作物的水分滿足程度是不同的,而且同一種作物在同一地區隨著氣候的變化需水量也會有一個年際變化;主要作物需水量由東向西,由南向北遞增,正常生長發育的水分保證程度由東向西,由南向北遞減。
  15. In the process of computation a method based on mass conservation and a special iteration procedure are applied to accelerate the convergence speed and minimize the error of water balance

    在數值計算過程中,採用了質量守恆和特殊的迭代求解格式以加快計算收斂速度和減少水量平衡誤差。
  16. This paper has analyzed the nature and quantitative description method of the carrying capacity of urban water resources system by means of the systematic study method. based on thought and theory of balance of water resource system, adopting systematic method to set up a model and forecast urban scale. this paper also has taken the city of kunming as an example to analyze water resources, population, water supply and drainage, economy development of kunming and forecast urban scale of kunming

    本文對城市水資源的開發利用狀況與城市發展規模的相互關系進行了研究,採用系統研究方法,對城市水資源承載力的實質、及定量表達方法做出了分析;應用水資源系統的平衡思想、水資源系統的平衡理論、水資源系統的平衡公式,取城市中的經濟、人口、城市降水地域等等資料,樹立水資源系統的平衡為根本的思想、應用科學的數理統計,以及水資源系統的平衡的科學地決策城市發展規模。
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