水面波動 的英文怎麼說

中文拼音 [shuǐmiàndòng]
水面波動 英文
beating
  • : 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...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • 水面 : the surface of the water; table水面操縱 surface manoeuvering; 水面導航 surface navigation; 水面發...
  • 波動 : 1 (不穩定) undulate; fluctuate; unsettle; surge; rise and fall 2 [物理學] wave (motion); wave...
  1. Abstract : propagation characteristics of r wave in a pavement structures are analysed in this paper. based on the propagation characteristics of r wave, the horizontal propagation wave is simulated by using r wave, the vertical propagation wave is also simulated by using body wave in calculating dynamic response of pavement structures. the availability and accuracy of dispersion curves measured by sasw in pavement structures is analysed by using the presented method used to calculate dynamic response

    文摘:利用有限單元法分析了道路結構的r傳播特性:在深度方向上衰減較慢,傳播較深,性大.提出了在道路結構力響應計算中,利用來模擬平向傳播,利用體來模擬豎直向傳播.通過算例來驗證該方法的可靠性和精確性,並利用這一力響應計算方法分析了道路結構表測試中所獲彌散曲線的可靠性
  2. And the explicit finite difference method, the combining method of the central difference method and newmark s constant average acceleration method, and the transmitting boundary are used. by comparing the acceleration determined by the several methods of the displacements or velocities, a computing method of acceleration employed the one side difference of velocity is more practicality in this research. corresponding to normal incidence of the body waves, p waves or svwaves, and rayleigh surface waves, two two - dimensional finite difference programs are compiled to compu te the dynamic response of two - phase media

    以土力學模型為基礎,利用以土骨架和孔隙流體的四個位移為基本未知量的數值方法去模擬二維飽介質中的地震傳播,採用了顯式差分方法(中心差分法和newmark常平均加速度法結合)和透射邊界,通過比較利用幾種差分格式求解的加速度結果,發現一種用速度單邊差分求解加速度的方法在本文研究中較為實用,分別編制了體( p或sv) 、 rayleigh輸入時求解兩相介質力響應的兩個二維數值分析程序。
  3. The level of the water table also fluctuates slightly with the season.

    的高度也隨著季節而稍有
  4. Based on the research of the characteristics of piezoelectric ceramic, this paper presents the analysis of the movement of the stator surface points and work principle of motor. this paper describes a theory about the influence of the ultrasonic vibration on the frictional properties of ultrosonic dring, and finds that the horizontal vibration produces friction driving force and vertical vibration affects horizontal driving effect

    並且對行型超聲機的減摩現象進行了研究,發現在接觸區定子表上一點的平振產生摩擦驅力,垂直振只起影響平驅效果的作用,得出垂直方向超聲振具有減振作用是引起超聲驅摩擦系數降低的原因。
  5. The product quality faces up to enormous domestic and international markets challenge and the peasants face up to the slow increasing of their incomes. the shortage of water resource is more serious for the planted system, climatic change and low utilization ratio. cultivated land resource is reducing rapidly for nature factors and urbanization process, etc. the analysis results indicate the resour ces utilization mode in the hhh plain is still high investment, high - energy consumption, and grievous pollution

    農產品生產在我國佔有絕對優勢,但其受結構調整的影響也發生了性變化,其產品質量臨著國內外市場巨大的挑戰,農民收入也臨著增長緩慢的挑戰;資源受種植制度、氣候變化及利用率低等多種因素的脅迫作用,嚴重短缺;耕地資源近年來大量減少,受自然及城市化進程等因素的影響,稀缺程度加大。
  6. Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

    基於以上考慮,論文主要從以下幾方對地下資源可持續開發問題進行了比較深入的探討:全回顧了「可持續發展」概念的由來與演變,對國內外「可持續發展」的研究現狀進行了述評,並對「可持續發展」概念的科學內涵進行了深入探討;對涉及地下資源的一些最基本的概念和命題進行了全的回顧和評述,對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解;全闡述了地下資源變值系統理論的內容和意義,並與傳統的地下資源計算評價方法進行了對比分析,結合實例具體說明了方法的應用;深入分析了地下資源預測預報工作的極端重要性和復雜性,對傳統的地下資源態預測方法進行了全的評述,指出了各類預測預報方法的特點及適用條件,對最近二十多年剛發展起來的小分析技術的主要思想和方法及其應用范圍,以及號稱第五代計算機語言的matlab軟體和附帶的小分析工具箱進行了介紹,並應用於地下態過程線的分析,採用時間序列中的b ? j法,蒙特卡羅方法,與地下資源變值系統理論相結合,探討了地下態資料分析和地下資源預測預報的新思路;綜合分析了現今各類地下管理模型的特點及缺陷,將數學規劃、數理統計、隨機過程等與地下變值系統理論相結合進行地表地下或多源的聯合優化調度,使模型更準確、更實用;對保證地下資源可持續開發的內部條件和外部條件進行了分析,內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀,科學的資源計算與評價方法,可靠的資源預測預報技術,可操作的資源管理措施,外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節意識的增強及具體節措施、人口增長的控制、體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下資源的可持續開發;指出了地下資源可持續開發的進一步研究方向。
  7. The particle motion is elliptical retrograde in contrast to elliptical direct orbit for surface waves on water.

    質點的運是橢圓倒轉,而不是象上的那樣的橢圓正轉。
  8. The theoretic calculating method of the maximum and the minimum water level in the differential surge tank has been derived firstly. also the explicit method of calculating surges in the differential surge tank has been deduced firstly by use of thaler series expansion. the calculating method of section of the well and the effective impedance hole in the surge tank has been gived

    根據差式調壓室的基本微分方程,首次推導出了差式調壓室涌浪幅值的理論計算公式;並同樣利用泰勒級數展開方法推導出了差式調壓室的顯式計算式;導出了差式調壓室大井積和有效阻抗孔積的計算方法。
  9. What ' s more, we put forward some experienced formulas on the basis of the cortical analysis. the result of the research show that by installing diffluent piers with low ridge, we can eliminate the root of oscillatiny water jump, perfect the energy dissipation effect of water jump, also, we can improve the flow condition of down - stream. the fact that the main flow of down - stream is in the middle, not only effectively lower the speed of the bottom flow in the ridge rear, alleviate the erosion to the river bed, but also avoid the heavy wave resulted from the main flow in the surface, thus improve the surface wave of down - stream obviously. we can work out the body style parameters of diffluent piers with low ridge according to the project flow condition and experience formulas, and then reckon the down - stream surface wave condition for the protected building of the down - stream bank

    研究結果表明:設置低坎分流墩后,消除了擺舌擺的根源,提高了躍的消能效果,改善了下游流流態。下游體的主流在中部,既有效的降低了坎后流底流速,減輕流對河床的沖刷,又避免了主流位於表導致浪過大的結果,下游的浪明顯得到削減。依據經驗公式,可根據工程流條件設計出低坎分流墩的體型參數,進而估算出下游沿程的浪,為下游岸邊的砌護提供依據。
  10. As a shipbuilder, cockerell was trying to find a solution to the problem of the wave resistance which wastes a good deal of a surface ship ' s power and limits its speed

    作為一個船舶技師,科克雷爾在尋找解決浪阻力的方法,因為浪阻力浪費掉了船在行駛的大量力,從而限制了船的速度。
  11. 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,在特定的來來沙、邊界條件和海洋力條件下,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態平衡的概念,並建立了黃河河口來沙量與造陸積的相關關系,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。
  12. The plane - wave analytic solution of the coupled fluid - air - solid system and the fem model of air cushion isolations are applied to study the influence of air cushion on earthquake response of dams. the calculations show that air isolation will reduce the hydrodynamic pressure significantly and restrain the dam vibrations during earthquakes. if the dam and reservoir is isolated by air cushions, it will decrease the hydrodynamic pressures by more than 90 % and the seismic stresses by 20 - 30 %

    將本文首次提出的體-氣體-結構系統的平作用理論解和三維有限元模型,應用於溪洛渡雙曲拱壩的抗震安全性和氣幕隔震可行性研究中,表明氣幕對高拱壩具有良好的隔震性能,可降低壓力90以上,壩體地震拱應力20 30 ,減震效果顯著,並使壩體的抗拉安全系數從0 . 93提高到3 . 58 。
  13. The beach runs along a wide stretch of coastline, which, with its gentle breezes and fine waves, is an ideal site for water sports

    由於當地的海岸線筆直寬闊,而且海平浪靜,因此是最佳的上活場地。
  14. Consider the air flow over a water surface disturbed by waves.

    現在考慮被上的空氣流
  15. In the aspect of contract ' s design, its include the determination of contract value, minimum fluctuation of price, last settlement price and margin level etc. in risk management of stock index futures, the means of price ' s stabilization, the ways of avoid of market manipulation, the clearing member and market margin system and so on have been put in operation

    在股指期貨合約設計方,主要體現在合約價值、最小價格、最後結算價、保證金平等方的確定方式。在股指期貨風險管理方,主要採用股指期貨市場價格穩定措施、對市場操縱的防範措施、股指期貨市場結算會員制度、市場保證金制度等。
  16. After the 60 ’ s, the effect inclines to steady that farming production changes to the area of the lake. river basin temperature and rainfall changes fluctuate to the surface of the lake, and the effect coming into being sensitively displays out

    60年代以後,人類的農業活對湖變化的影響趨向穩定,流域溫度、降變化對湖所產生的效應敏感地體現出來。
  17. In the last chapter, the submarine motion tendencies under first order and second order wave force actions are illustrated through theory analysis and simulations, which established the foundation for studying the design of autopilot control system under wave force disturbances

    最後本文從理論、模擬兩個方分析和顯示了艇體在一階、二階浪力作用下的運趨勢,從而為研究潛艇近浪力干擾下的潛艇自舵設計奠定了基礎。
  18. Aiming at the medium thickness slab caster in anshan isco, numerical simulations concerning fluid flow and free surface wave process of liquid steel in mold were conducted by using the cfx4. 4, a commercial software package for fluid flow analysis, in which the metallurgical functions of a submerged nozzle, specially the submerged nozzle with three holes, were investigated emphatically

    摘要以鞍鋼中薄板坯連鑄機為對象,在商業軟體cfx4 . 4的平臺上對結晶器內鋼和液過程進行了數值模擬,重點研究了其所獨有的3孔浸入式口的冶金功能。
  19. Detailed predictions on the fluid flow in mold and in cavity of nozzle working end were obtained at different side - hole angle and submerged depth of nozzles, and then the flux variation of liquid steel passing through central hole of the three - hole nozzle and the fluctuation of liquid steel in mold were inspected based on above predictions

    針對3孔浸入式口不同側孔傾角和浸入深度,數值模擬對結晶器內鋼做出了較為詳細的預報,研究工作就此分別考察了口中心孔流量變化和鋼幅度。
  20. The results show that the more deeper the nozzle immersion depth is, the less the molten steel velocity at the interface, the weaker the oscillation near the interface and the more difficult the occurrence of the slag entrapment become. compared with the round entry nozzle, the rectangular entry nozzle can reduce the occurrence of the slag entrapment

    結果表明:採用較大的口浸入深度可以減小表速度,抑制液,避免鋼渣卷混的產生;與圓形口相比,長方形口能有效地減小卷渣發生的可能性。
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