水動力平衡 的英文怎麼說

中文拼音 [shuǐdònglìpínghéng]
水動力平衡 英文
hydrodynamic equilibrium
  • 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...
  • 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...
  • 平 : Ⅰ形容詞1 （沒有高低凹凸 不頃斜） flat; level; even; smooth 2 （高度相同; 不相上下） on the same l...
  • 衡 : Ⅰ名詞1 （秤桿） the graduated arm of a steelyard2 （稱重量的器具） weighing apparatus3 （姓氏） a...
  1. The hyperbolic conservation laws with relaxation appear in many physical systems such as nonequilibrium gas dynamics, flood flow with friction, magnetohydrodynamics, etc. firstly, the thesis proves that there exists a unique global smooth solution for the cauthy problem to the hyperbolic conservation laws system with relaxation ; secondly, in the large time station, the thesis proves that the global smooth solutions of the hyperbolic conservation laws system with relaxation converge to rarefaction waves solution at a determined l ( p > 2 ) decay rate

    帶鬆弛項的雙曲型守恆律組出現在諸多的物理系統中。例如，非平衡態的氣體動力學、帶摩擦的水流、磁動力學等。本文首先證明，帶鬆弛項的雙曲型守恆律組的柯西問題的整體光滑解的存在唯一性；其二，證明了帶鬆弛項的雙曲型守恆律組的解與相應的平衡態守恆律的稀疏波解在大時間狀態下的l ~ p衰減率。
  2. The anion surfactant nals was the most efficient in the process and was selected as collector by orthogonal method. the interfacial tension and cmc of nals ( cmc 6. 5 10 - 3m ) in the solution was measured by hanging ring test, the function relationship between interfacial tensions and nals concentration was : = - 0. 9523 in 2c - 24. 534 in c - 81. 411. the relation of interfacial adsorption equilibrium in the solution system was respectively tested and calculated with gibbs equation and dynamic method. the conclusion showed that ( 1 ) the experiment result of dynamic method with was highly in coordination with the value which from theoretical calculation. ( 2 ) the surfactant molecule was in arrangement of monomolecular layer at the gas - liquid interface

    用吊環法測定了十二烷基硫酸鈉水溶液不同濃度與其界面張力的關系，擬合得到的回歸方程為= - 0 . 9523ln ~ 2c - 24 . 534lnc - 81 . 411 ，同時還測得其臨界膠束濃度值（ cmc為6 . 5 10 ~ （ - 3 ） m ） ，運用吉布斯等溫方程和動態法分別計算和測定了該溶液系統的界面吸附平衡關系，結論表明： （ 1 ）動態法測定結果基本吻合吉布斯方程的理論計算； （ 2 ）表面活性劑分子在氣?液兩相界面是以單分子層形式定向有序排列的。
  3. The main contents in the paper are as follows : ( 1 ) the operational principle of the hydraulic automatic tilting gates with connecting lever and rolling wheel were analyzed. using block diagram, the author elaborated on the running course and steady factors of the tilting gate. then the instantaneous running center in the running course of the tilting gate was brought forward, and the trochoid of the center was described

    本文研究的主要內容如下： （ 1 ）分析闡述了水力自動翻板閘門的工作原理和運轉機理，結合框圖詳細分析說明了翻板閘門的運轉過程及其穩定條件，給出了閘門在運行過程中的瞬心軌跡線，分析研究了閘門運動過程中的基本平衡方程。
  4. The move is aimed at creating a more balanced force in negotiations with foreign miners, including brazil ' s companhia vale do rio doce and anglo - australian groups rio tinto ltd and bhp billiton ltd

    這項動意的目的是在談判中平衡海外礦工的力量，這其中包括巴西淡水河谷公司和英澳力拓有限公司以及必和必拓有限公司。
  5. 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。
  6. Analyze the yellow river estuary sediment transport and distributing affected factors, utilize the field measured data, based on the hydraulics, river hydrodynamic and statistics fundamental theory, analyze the estuary sediment transport and settling deposition regulation, yellow river estuary gate area sediment deposition mechanism and estuary delta coastline dynamic balance, and some important achievements acquired

    研究報告分析了黃河河口泥沙輸移和分佈的影響因素，利用實測資料，運用水力學、河流動力學、統計學等基本理論和原理，對河口泥沙輸移及其分佈規律、黃河河口口門區域泥沙沉積機理以及河口三角洲岸線的動態平衡問題進行了分析探討，並取得了部分重要認識和進展。
  7. To this area precipitation materials for many years, evaporate materials, surface flow materials, hydrometeorological materials, hydrogeological materials carry on exhaustive analysis, have analysed the state of water resource of the sand district, proceed from the heat of the earth ' s surface is balanced, water yield balanced basic theories, combine the amount of regional water resource set up of the materials, such as scene, hydrology, soil of the sand district, etc. and estimate models, have calculated the surface water, groundwater of this area, has carried on models to examine according to the real data, and has predicted to the state of water resource under different climate change scenes of future that analyse. have put forward the scheme that the water resource in this area utilized rationally, use the non - linear motive force model to predict the precipitation, utilize the materials of actual observation, the natural supply amount of calculating out groundwater of sand ground of balanced principle of the amount of water used at the same time, and can exploiting amount predict to groundwater, district of sand,

    本文以寧夏半乾旱地區鹽池縣沙地水資源為研究對象，對該地區多年降水資料、蒸發資料、徑流資料、水文氣象資料、水文地質資料進行了詳盡的分析，分析了沙區的水資源狀況，從地表熱量平衡、水量平衡的基本理論出發，結合沙區的氣象、水文、土壤等資料建立了區域水資源量估算模型，計算了該地區的地表水、地下水，根據實際資料進行了模型檢驗，並對未來不同氣候變化情景下的水資源狀況進行了預測分析，提出了該地區水資源合理利用的方案，運用非線性動力模型對降水量進行預測，同時利用實際觀測資料，運用水量平衡原理計算出沙地地下水的天然補給量，並對沙區地下水可開采量進行預測。
  8. In this paper, high heat penetration into a moving particulate bed is described mathematically with a comprehensive heat and mass transfer model. the distribution of gas velocity and pressure, the temperature field of gas and solid in the moving particulate bed are examined for different conditions. the results show that thermal penetration into the moving packed - bed particles by fluid flow in porous media is high only in the position near the gas entrance. the thermal penetration thickness tends to increase with the fluid flow velocity and decrease with the particle moving velocity. in the region of thermal penetration, the porosity of solid bed has significant effect on gas field and pressure loss. it is feasible to reduce the gas pressure loss by a larger width / height packed bed in design and operation. the correspondence between thermal infection depth and particle bed height would be helpful to keep high oapacity of reactor and reduce the cost of operation

    針對移動顆粒床中物料層內的高溫氣體滲流傳熱現象，考慮滲流與傳熱的相互作用，採用局部非熱平衡假設建立了多孔介質滲流傳熱物理數學模型並進行了數值計算.研究了不同情況下床內填充多孔介質中的流速、氣固溫度和床層壓力損失.計算結果表明，高溫熱氣對移動床顆粒料層的熱滲透主要發生在滲流入口端區域，增大入口滲流速度以及減小床層物料下移速度將導致物料溫度沿床高慢速下降，熱滲透深度擴大，熱滲透作用區域內的物料溫度水平提高.在熱滲透作用區域，孔隙率對流場和壓力損失有很大的影響.研究結果對于移動顆粒床反應器的設計與運行具有一定的參考作用
  9. The submarine noise detected by sonar consists of two parts : propeller - generated hydro - dynamical noise, which can be greatly reduced by improving the submarine rear shape ; radiated noise from the submarine structure excited by the centrifugal forces ( moments ) of rotatory machine, which is more complicated and influenced by many factors

    聲納所探測的潛艇噪聲包括兩部分，一是螺旋槳運轉帶來的水動力噪聲，二是潛艇主機工作時產生的不平衡力和力矩引起潛艇結構振動，帶動流場振動從而輻射噪聲。通過改進潛艇尾部線型設計，已將水動力噪聲降到比較低的程度，而結構噪聲則復雜得多，與許多因素有關。
  10. The inner - plant economical operation of lijiaxia hydropower station is studied based on the disadvantageous operating mode area of the units determined by school of civil engineering of tianjin university and the actual operating experience of the lijiaxia hydropower station in the last a few years

    摘要以天津大學建築工程學院確定的李家峽水電站機組的不利工況區為依據，以近幾年來該水電站的實際運行經驗為參考，在綜合考慮機組初始運行狀態、機組振動特性、機組出力、下泄流量、水庫蓄水量和電網負荷平衡等因素的基礎上對李家峽水電站的廠內經濟運行進行了研究。
  11. The differential equation of pump station start - up transient is established and derived from discharge balance and moment equation of pump unit

    摘要本文從水量平衡及水泵機組力矩方程出發，建立起水泵從起動到同步的微分方程式。
  12. Using the two - site kinetic sorption model and the two - region model, cadmium transport in field soils was simulated, the average of the numerical solution of cd transport at every soils sample was obtained and the spatial distribution of cd concentration was computed

    用基於土壤水動力學和溶質運移的物理、化學非平衡模型的數值模型，模擬了污水淹灌條件下鎘在試驗小區土壤中的運移動態，獲得了鎘在土壤中淋溶的空間分佈。
  13. The high p / e ratio has confused the financial order, has strengthened financial risks, hinder the growth of the real economy, not benefit the forming of correct investment concept, encourage behavior of speculating, cause inefficient distribution full play of function. we can reduce the high p / e ratio, suppress the p / e ratio to increase, by improving the management level, perfecting stock right structure and administration structure of the listed company, strengthening supervision of the listed company, stopping up all sorts of abnormal behavior of the stock market, perfecting the stock market system, trying one ' s best to reduce the government ' s intervention, changing means of the government interfere etc. then the china stock market can get lasting, healthy development

    解決好我國股市市盈率過高的現象，可以從以下幾方面著手提高上市公司的經營水平，增強其盈利能力是降低股票市場市盈率的跟本；完善上市公司的股權結構，解決中國上市公司「一股獨大」的問題；要完善上市公司的治理結構，健全董事會制度是核心，發揮監事會職能實現權力制衡，構造適合中國國情的監督機關，對經營者激勵與約束同等重要，強化經營者的激勵和約束，讓利益相關者行動起來；加強監管，堵絕股票市場的種種不規范現象，對莊家的運作強化監管，對其違法違規行為加大懲治力度是促使中國股市持續、穩健發展所採取的必要措施；同時完善股票市場的制度建設，完善的退市機制，盡早推出確實可行的股票價格指數期貨市場；盡量減少政府的干預，轉變干預手段等。
  14. This course introduced solubility equilibria, oxidation - reduction equilibria, fundamentals of process kinetics, fundamentals of surface and colloidal chemistry, coagulation in water treatment, water softening and neutralization, and ac adsorption

    本課程將簡介溶解度平衡、氧化還原平衡、動力學基本原理、表面和膠體化學基本原理、水處理之混凝、水質軟化與中和以及活性碳吸附處理等。
  15. Industrial restructuring in the direction and focus are : first, the consolidation and strengthening the position of agriculture as the foundation to accelerate transformation of traditional agriculture into modern agriculture ; second, the strengthening of energy, transportation, water and information infrastructure and enhance the economic and social development support capabilities ; third, revitalization of the equipment manufacturing industry is to focus on the development of advanced manufacturing, and play its important role in supporting economic development ; fourth, speeding up the development of high - tech industry, and further to enhance the high - tech industry to drive economic growth ; fifth is to increase the proportion of the service industry for optimizing the structure of the services sector, to promote the rapid development of a comprehensive services ; sixth, to develop economic cycle for resource conservation and environmental friendly building - based society so as to achieve economic growth and population, resources and environmental coordination ; seventh, optimizing industrial structure, and the adjustment of the regional industrial layout ; eighth, implementing mutually beneficial win - win strategy of opening up, to raise the level of opening up and promote domestic upgrading of the industrial structure

    其次，本文分析了國內外產業結構調整和發展的現狀，深刻展示了以美國、德國以及韓國為代表的先進國家的產業結構調整經驗及其發展現狀，高度概括了它們的一般性特徵，並論述了其對我國以及山東省產業結構調整的借鑒意義和啟示。客觀全面地分析了山東省產業結構發展現狀，找出了影響山東省經濟發展的因素，深入揭示了其發展過程中存在的如產業構成不合理、私營經濟發展不夠、地區間經濟發展不平衡、人口和勞動力素質不高、對自然資源開發過度、水資源嚴重短缺等問題。最後，針對性地提出了加快產業結構的調整優化，大力發展高新技術產業，加快個體私營經濟的發展，發展地區經濟，同時，珍惜資源，保護好環境等對策建議。
  16. Based on hydraulic balance principle in fluid system, analyzing valves ’ energy consumption share in the power equipment ’ s output power in

    本文依據流體系統水力平衡原理分析了動力集中系統中調節閥能耗在動力設備的輸出功率中所佔的份額，結果表明，系統愈大，這個份額愈高。
  17. Presents the operating principle, deduces the temperature - saturated steam pressure relationship, analyses the force balance of valve plates, and points out the factors determining the action of valve plates and the key problems in making this trap domestic

    摘要介紹了膜盒式蒸汽疏水閥的工作原理，推導得到了膜盒內介質的溫度飽和蒸氣壓關系式，分析了閥片的受力平衡，指出了決定閥片動作的因素和膜盒式蒸汽疏水閥國產化進程中要解決的關鍵問題。
  18. A correlation was studied out here :, for experiment with sparger 1 # ;, for experiment with sparger 2 #. sparger decreased interfacial heat transfer coefficient, total clotted liquid and steam energy transfer and weakened surface temperature vibration. it also decreased thickness of hot water layer, attenuated steam condensation and shortened the time of balance

    加裝遮流板使實驗初期階段的表面冷凝換熱系數hif降低76 93 ；減少了累計凝結量67以上；降低蒸汽流能量的傳遞，使表面溫度波動顯著降低；減少了熱水層的厚度；減緩了蒸汽凝結的劇烈程度，大大縮短了系統壓力平衡需要的時間。
  19. 3. based on the assumption of general slip surface, a general formula of safety factor of slope is presented in which the forces exerted on the slices exactly satisfy the equilibrium condition. using the method the chapters introduced to search critical slip surface, and proved by examples, this method is more reliable, and can search, simulate the critical slip curve

    推導出了滑動面為任意現狀，邊坡體內作用有各種荷載且滿足力平衡條件下的邊坡穩定系數計算公式（在進行條分計算時，假定條間僅有水平方向作用力，豎向條間剪力為零） ，利用本文提出的遺傳進化搜索方法搜索邊坡最危險滑動面。
  20. With the operation conditions, the adsorber, the evaporator, the condenser, the receiver and the throttle are disigned. the adsorber is of the most importance in the adsorption system, so we provide the non - dynamic equilibrium model of active carbon fibre ( acf ) - methanol adsorption refrigeration pair. the numerical simulation is carried out based on the recorded solar radiation data measured in nanjing and daily ambient temperature for the typical clear days. the temperature field, the pressure field, the methanol concentration and the temperature of evacuted tube, and water tube are caculated

    吸附床是吸附製冷系統的核心，本文以活性炭纖維?甲醇為工質對，建立了吸附床非動態平衡吸附傳熱傳質數學模型，以南京夏季典型一天中的輻射強度和環境溫度為條件，模擬計算了吸附床在通水冷卻和自然冷卻兩種狀態下，吸附床內各點壓力、溫度、吸附率、吸附總量及真空管和冷卻水管壁溫隨時間變化關系。
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