重力下水 的英文怎麼說

中文拼音 [zhònglìxiàshuǐ]
重力下水 英文
gravity drainage
  • 重 : 重Ⅰ名詞（重量; 分量） weight Ⅱ動詞（重視） lay [place put] stress on; place value upon; attach im...
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 下 : 下動詞1. （用在動詞后,表示由高處到低處） 2. （用在動詞后, 表示有空間, 能容納） 3. （用在動詞后, 表示動作的完成或結果）
  • 水 : 名詞1 （由兩個氫原子和一個氧原子結合而成的液體） water 2 （河流） river 3 （指江、河、湖、海、洋...
  • 重力 : [力學] gravity; force of gravity; gravity force; power of gravity; pull of gravity; gravitational...
  1. On the basis of many related data from abroad, this thesis is an attempt to simulate the hydrodynamic characters of abyssal gravity cages under the action of currents and waves

    本論文正是從這一點出發，根據國外有關抗風浪網箱資料，在試驗室中模擬深水重力式潛網在水流、波浪作用下的受力特性。
  2. With the development of human society, because of the lack of sustainable utilization consciousness, and the eager for quick success and instant benefit, the black earth suffered excessive cultivation and management, causing the reduction of its recycled ability, decrease in organic content, porosity ratio, fertility dropped and the properties of water retaining and water retention, which make the black soil harden and degenerate seriously

    但是隨著人類社會的發展，在缺乏保護和可持續利用意識、急功近利思想影響下，黑土遭到過度墾殖和掠奪式經營，人類對其活動范圍遠遠超過了其再生能力，導致有機質含量減少，肥力下降，孔隙比減小，保水持水能力降低，土壤板結，黑土嚴重退化。
  3. In the event that a boiler does shut down the stop - check must prevent backflow into the boiler, the weight of the disc and dash pot piston, through the force of gravity, promote rapid sealing so steam and condensate cannot backflow into the boiler even at low pressures

    如果鍋爐沒有關閉截止止回閥，則必須防止迴流到鍋爐上，閥瓣壓鐵和緩沖活塞，在重力的作用下，能夠迅速實現密封，使得蒸汽和冷凝水即使在低壓下也不會迴流到鍋爐里。
  4. The results show that : 1 ) though the water environment of nanyisan is more muddy than others, algal can still grow ; 2 ) the composition and rock type of the algal limestone are complex, the main rock types include lettuce - like stromatolites, algal reef, digitate stromatolies, wave - like stromatolites and so on ; 3 ) the deposits of algal limestones were formed in low - energy peritidal to subtidal high - energy environment of lakeshore slopes, sliding under the action of gravity and some other factors and become slump mixosedimentite layers ; 4 ) the physical property of algal limestones layers is better than others ; 5 ) the genetic development of the sediment decides that the single deposit is small, distributive and thin - layed

    結果表明，南翼山藻灰巖沉積水體環境相對渾濁，但藻類仍能生長；該區藻灰巖巖石組成及類型復雜，主要的藻灰巖巖石類型有包心菜狀疊層石、藻礁、指狀疊層石、水平波狀疊層石等；其主要為濱岸斜坡上低能潮上環境至高能潮下環境形成的沉積體，在重力等因素的作用下產生滑動或滑塌形成的微生物成因的滑塌混積巖；巖層物性好於其它巖層；藻灰巖層的成因決定了該地區單個沉積體規模小、分散、層薄。
  5. Determination of fuxin quasi - geoid without gravity data

    無重力數據情況下阜新似大地水準面的確定
  6. The high geotectonic stress at the construction region and the activity subsurface water will have important effects on construction and operation

    隧洞施工穿越高地應力區，且施工區活躍的地下水對隧洞施工及日後的安全運行有著重要的影響。
  7. Excavation of tunnel will lead to local geotectonic stress release and redistribution around tunnel ; the appearance of new outlet boundary will lead to outlet seepage of subsurface water and the change of mountain seepage field

    隧洞開挖將引起局部地應力的釋放及洞周附近的地應力的重新分佈；隧洞開挖后新的出水邊界的出現將導致地下水的大量出滲及山體滲流場的改變。
  8. Through studying it is shown that in chagan sag, the geothermal gradients in the center are higher than those around the sag margin and major factors influencing the characteristics of temperature field distribution are the property of geotectogenesis and the differences in tectonic portion, lithology and underground water behaviour ; there are three types of mudstone compaction, i. e. normal compaction, undercompacition and overcomepaction ; there are two pressure systems in sandstone reservoirs, i. e. normal pressure and negative pressure systems and the strata ' s being uplifted and denuded is the key factor leading to the formation of the negative pressure system in reservoir ; and the distinctive temperature - pressure field characteristics in the sag are possessed of important petroleum geological significance in hydrocarbon source maturity, hydrocarbon generation, widening on oil and gas exploration domain and selecting exploration targets, etc

    研究表明，查干凹陷中心的地溫梯度高於凹陷邊緣，大地構造性質及所處構造部位、巖性與地下水活動的差異是影響凹陷地溫場分佈特徵的主要因素；泥巖壓實存在正常壓實、欠壓實和過壓實三種類型，砂巖儲層段壓力類型可分為正常和負壓兩個系統，地層抬升剝蝕是導致儲層負壓系統形成的主導因素；凹陷獨特的溫壓場特徵對烴源巖成熟、油氣生成、油氣勘探領域的擴大及勘探方向的選擇等具有重要的油氣地質意義。
  9. Therefore, it is important to accelerate economic construction, and to maintain ecological balance, and sustainable development of arid, and semiarid areas in order to use and impolder groundwater resources in reason and phase

    因此，合理、協調地開發和利用地下水，找出地下水位監測的省錢、省力方法，對乾旱、半乾旱地區的生態平衡、經濟建設、農業發展的影響重大。
  10. Mesoscale model simulations have been performed of a severe thunderstorm that occurred on 22 - 23 august 2001 in huabei area in china. combing with satellite, doppler radar images and general weather observations, the evolution mechanism of the severe thunderstorm is analysed with emphasis on the orographic effect of taihang mountain

    將模擬的雲、風、壓場和降水與實況資料進行對比檢驗，在控制模擬效果較為理想的情況下，結合衛星、 doppler雷達觀測和常規天氣資料，對整個對流風暴的發展演變過程進行分析，並著重對強對流風暴發生演變的熱力、動力機制以及重力波特徵進行了研究。
  11. At present, more and more large tonnage ships are built with the development of ship industry, the force between hull and shipway increased, the damage of ship structure was also reported. but the existed method is not efficiently for calculating the distribution of force acted on forward during stern floating which is the moment of truth during ship launching, so it is important to calculate ship launching precisely and take measure to preclude such accident

    目前隨著船舶工業的發展，建造船舶噸位越來越大，船體所受滑道反力隨之增大，在實際生產過程中已有船體局部結構不同程度損壞的報道，而現有的下水計算方法在下水的最危險時刻艉浮時滑道反力的分佈情況方面的計算顯得不夠準確，如何準確進行計算並採取相應的措施來防止這類問題發生顯得十分重要。
  12. This paper introduces the latest progress of high level radioactive waste disposal programs in the world, and discusses the key scientific issues as follows ： ( 1 ) the precise prediction of the evolution of a repository site ; ( 2 ) the characteristics of deep geological environment ; ( 3 ) the behaviour of deep rock mass, groundwater and engineering material under coupled conditions ( intermediate to high temperatures, geostress, hydraulic, chemical, biological and radiation process, etc ) ; ( 4 ) the geochemical behaviour of transuranic radionuclides with low concentration and its movement with groundwater : and ( 5 ) the safety assessment of disposal system

    在介紹國內外最新研究進展的基礎上，重點討論高放廢物地質處置的若干關鍵科學問題：處置庫場址地質演化的精確預測、深部地質環境特徵、多場耦合條件下（中（高）溫、地殼應力、水力作用、化學作用、生物作用和輻射作用等）深部巖體、地下水和工程材料的行為、低濃度超鈾放射性核素的地球化學行為與隨地下水遷移行為及處置系統的安全評價。
  13. Baizhang cliff means very high and steep cliff formed by collapse of hard amamellite through long - term weathering and cutting of flowing water along the plumb joints

    位於蒙山山谷中， 24億年左右形成的二長花崗巖，垂直節理發育，經長期風化和流水下切作用，發生重力崩塌作用后堅硬巖石一側形成百丈崖景觀。
  14. Aim to analyze the problems in the course of the exploitation and utilization of water resources and offer some references to the sustainable utilization of water resources in baoji city, shaanxi, china in the future. methods beginning with the restrained factors that affects the sustainable exploitation of water resources, the main problems is systematically analyzed that exposed in the course of the exploitation and utilization of water resources : utilization ratio of water resources is low, water waste is serious ; groundwater is exploited excessively, water level drops continuously ; water pollution is serious, water quality worsens obviously ; management system of water resources is imperfect, the facilities of irrigation works wear out seriously. results it is suggested that pursue saving water all - round to build a water - saving society, and perfect the paid - use system of water resources to implement the industrial management of water resources, and strengthen the protecting consciousness of water resources together with controlling groundwater exploitation strictly, and increase the fund investments to enhance the irrigation works abilities of adjusting, holding and preventing the flood, and strengthen the network management of water resources besides improving the official specialized quality. conclusion the reasonable exploitation and utilization of water resources plays a key role in the sustainable development of economy and society in baoji city, shaanxi, china

    目的分析寶雞市水資源開發利用中存在的問題，為今後水資源的可持續利用提供參考依據.方法從影響寶雞市水資源可持續利用的制約性因素入手，系統分析了在水資源開發利用中存在的主要問題:水資源利用率低，浪費嚴重;地下水開采過度，水位持續下降;水污染嚴重，水質明顯惡化;水資源管理體制不健全，水利工程設施老化嚴重.結果提出了相關的解決對策:全面推行節約用水，建立節水型的社會;完善水資源有償使用制度，實現水資源的產業化管理;強化水資源保護意識，嚴格控制地下水開采;加大資金投入力度，提高水利工程的調蓄防洪能力;加強水資源網路化管理，提高管理人員的專業素養.結論水資源的合理開發和利用是實現寶雞市經濟社會可持續發展的關鍵
  15. Based on optimization theories of genetic algorithms and the linear programming, a series of optimal design mathematics models and methods of water transmission conduits and water distribution networks have been presented, in the light of their characteristics. the results are as follows : 1 the linear programming models and calculations of the pressure gravity conduit, the gravity pressure conduit and channel, the pressure conduit with pump station and the pressure conduit in considering pump station flow variations are presented respectively

    本文針對不同類型的輸水管線和配水管網系統的特點，應用遺傳演算法和線性規劃等優化設計理論和方法，對其優化設計問題進行了較為系統的研究，成果如下： 1分別建立了重力輸水管道系統、重力輸水管渠系統、泵站加壓輸水管道系統以及考慮流量變化的泵站加壓輸水管道系統優化設計的線性規劃數學模型，並提出了計算方法。
  16. The main contents and conclusions of the study are as followed : 1, according to the experiment data of the gravity flow in reservoir, the accuracy and economy of rsm ( reynolds stress model ), k - s model and spalart - allmaras model are compared

    主要研究內容及成果如下： 1以水庫重力下潛流的實驗資料作為依據，對rsm模型、 -模型和spalart - allmaras模型的精度和經濟性進行比較研究。
  17. The project studied the direct contact condensation behavior of saturated steam on the subcooled liquid in passive gravity injection system. the experiment parameters were as follows : the initial pressure of prz ranged from 0. 2 0. 6mpa and the initial fluid temperature of core makeup tank ranged from 10 80. condensation phenomenon in cmt was observed

    本課題進行了非能動重力補水系統中飽和蒸汽在過冷液面上直接接觸冷凝的實驗研究，研究了在加裝遮流板時，系統壓力0 . 2 0 . 6mpa ， cmt初始溫度為10 80條件下壓力容器cmt中飽和蒸汽在過冷液面上冷凝的瞬態特性。
  18. 2, application of the modified k - e model by munk - anderson equation to gravity flow in reservoir shows that the modified model overestimates the turbulent intensity in reservoir. it results enhance of momentum exchange in vertical direction and large error in velocity

    採用munk - anderson修正的-模型模擬水庫重力下潛流，發現該修正模型過高地估計了水庫的紊動強度，使垂向動量傳遞加大，流速誤差明顯增加。
  19. According to the original work on the stability problem of the left side of the river and the elementary analysis on the model of geological mechanism, two section planes of rock group t33 and j have been chosen to carry out the stability evaluation ( the slope stability analysis utilized the sarma program ), both of which have the different rock characters. when loads are calculated, the internal force, underground water, earthquake force, their combination and measure to deal with anchorage force infliction are also considered

    根據左岸邊坡穩定問題的前期工作和地質力學模式的初步分析，並結合工程地質條件調查，選取巖性構成不同的t33巖組和j巖組的兩個剖面分別進行穩定性評價（邊坡穩定性分析採用sarma程序進行） ，計算載荷考慮了自重、地下水、地震力及其組合以及施加錨固力的處理措施。
  20. Standard practice for selection of gravity sewers suitable for installation of optical fiber cable and conduits

    適合於鋪設光纜和導管的重力下水道選擇的標準實施規范
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