水面波型 的英文怎麼說
中文拼音 [shuǐmiànbōxíng]
水面波型
英文
surface wave pattern- 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...
- 面 : 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...
- 波 : 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...
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The three - dimensional topography figures of major typical hydrothermal regions are drawn on the basis of field - measured bathymetric data of the okinawa trough and collecting a large number of data on bathymetry, multibeam and seismic profiles of other major typical hydrothermal regions
在沖繩海槽熱液活動區實測水深資料的基礎上,廣泛收集了其他典型熱液活動區的水深、多波束、地震剖面等資料,據此繪制出主要典型熱液活動區的三維地形圖。Study of " ph memory " and activity water ( aw ) in processing of immobilization indicates that former factor has much effect on transformation and the latter just has little effect. permeabilization treating of baker ' s cell with alcohol and ultrasonic leads to lower transformation rate, which illustrates that permeabilization procedure has negative role on biotransformation with whole cell as biocatalyst in organic solvent. in simple dynamics research amount of biocatalysu concentration of substrate and reaction course are considered and all of them have remarkable effect on transformation
Ph記憶、水活度及通透性處理的實驗結果表明, ph記憶對轉化有明顯的影響,水活度對模型反應的影響不大;作為完整細胞生物催化,細胞的通透性可能是傳質阻力的重要組成部分,利用不同濃度的乙醇和超聲波對細胞進行處理,結果表明,在有機相完整細胞生物催化中,通透性處理對轉化產生的是負面影響。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水介質中的地震波傳播,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,分別編制了體波( p波或sv波) 、 rayleigh面波輸入時求解兩相介質動力響應的兩個二維數值分析程序。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
並且對行波型超聲波電動機的減摩現象進行了研究,發現在接觸區定子表面上一點的水平振動產生摩擦驅動力,垂直振動只起影響水平驅動效果的作用,得出垂直方向超聲振動具有減振作用是引起超聲驅動動摩擦系數降低的原因。Abstract : based on the synthetical data from the remote images, geological section, geomorphologic landscape, ancient water system evolution and surface feature spectrum etc, the study indicates that there is an undersand lake in the northern peripberal belt of qarhan salt lakes of qaidam basin
文摘:根據地球衛星遙感影象、地物波譜測定以及地貌景觀、古水系演化和地面地質調查等資料的綜合研究表明,柴達木盆地察爾汗鹽湖礦區北部外圍地帶存在一種新的成因類型的鹽湖? ?沙下鹽湖。Typical sedimentary structures of tempestite, such as radiate and imbricate arrangements of strip dolomitic limestone gravels, grading beddings and ripple beddings are presented in the succession, indicating its accumulation in a shoreline environment
該風暴沉積的底面侵蝕構造清楚,長條形白雲質灰巖礫屑具放射狀構造或疊瓦狀構造,並發育渠鑄模、粒序層理和小型波狀層理等沉積構造,為典型的淺水風暴巖。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面對地下水資源可持續開發問題進行了比較深入的探討:全面回顧了「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;對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述,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;全面闡述了地下水資源變值系統理論的內容和意義,並與傳統的地下水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;深入分析了地下水資源預測預報工作的極端重要性和復雜性,對傳統的地下水資源動態預測方法進行了全面的評述,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波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軟體和附帶的小波分析工具箱進行了介紹,並應用於地下水動態過程線的分析,採用時間序列中的b ? j法,蒙特卡羅方法,與地下水資源變值系統理論相結合,探討了地下水動態資料分析和地下水資源預測預報的新思路;綜合分析了現今各類地下水管理模型的特點及缺陷,將數學規劃、數理統計、隨機過程等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優化調度,使模型更準確、更實用;對保證地下水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、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、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水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。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,消除了擺動水躍水舌擺動的根源,提高了水躍的消能效果,改善了下游水流流態。下游水體的主流在中部,既有效的降低了坎后水流底流速,減輕水流對河床的沖刷,又避免了主流位於表面導致波浪過大的結果,下游的水面波浪明顯得到削減。依據經驗公式,可根據工程水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水面波浪,為下游岸邊的砌護提供依據。The incident wave height h1 / 3 is in the range from 0. 1m to 0. 25m, and the peak period tp in the range from 1. 0s to 2. 0s. the ratio of s / h1 / 3, which refers to the subface level of wharf deck ( s ) to the incident wave height ( h1 / 3 ), is between - 0. 1 and 0. 7. three different shore connecting types : open - piled, permeable slope with armored 1ayer of dolosse b locks and impermeable slope with armored layer of concrete plate, are set in the experiment for the research on the effects of boundary condition with different shore connecting types on the wave impact
本文的物理模型試驗在大連理工大學海岸和近海工程國家重點實驗室的大波流水槽中進行,試驗中選用的隨機波靶譜為改進的jonswap譜,入射波波高h _ ( 1 / 3 )范圍為0 . 1m 0 . 25m ,譜峰周期t _ p范圍為1 . 0s 2 . 0s ,碼頭面板的相對凈空(碼頭面板底面距離靜水面的距離s與入射波波高h _ ( 1 / 3 )的比值)范圍為- 0 . 1 0 . 7 ,其中s / h _ ( 1 / 3 )為負值時表示碼頭面板底面位於靜水面以下。Based on the characteristics of the daily regulation wave of hydropower stations, the water surface lines in the rising and falling stages are calculated by using an one - dimensional steady flow model and an unsteady flow sediment model
摘要根據水電站日調節波的特性,運用一維恆定流和非恆定流泥沙數學模型,分別計算了河道漲落水過程的水面線。The experiment shows mbid can produce the enhanced pressure field at hydrophone array, provide modal domain representation of pressure ( modal functions and horizontal wavenumbers ) and target ' s bearing ( plane waves ), and have good adaptive ability and robustness against mismatch
實驗數據和模擬數據的結合驗證了模基辨識器不僅能夠產生增強的水聽器陣處的聲壓場表示,而且能夠輸出模域表示(模深度函數和水平波數)和目標的方位(平面波模型) ,也具有較好的自適應性及對失配的寬容性。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 %
將本文首次提出的水體-氣體-結構系統的平面波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,可降低動水壓力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 。In this paper the basic principle of the method of characteristics is described, and is constructed an explicit scheme for dam break simulation of one - dimensional dam instant all break waves flow of a low dam with rectangle section and a huge dam with trapezia section, and of two - dimensional dam instant part break waves flow with simplest space operator splitting
本文模擬了一維矩形斷面低壩和梯形斷面巨型壩瞬間全潰的洪水波演進過程,給出了與分析解的比較,並結合運算元分裂的特徵線法對二維瞬間部分潰壩時洪水波的演進過程進行了數值模擬。Based on the experimental results for different wave height, wave period and the relative clearance of underside of the wharf deck, the properties of wave impact pressure on wharf deck are studied. the distribution of impact pressure along the underside of the deck model is analyzed. the influence of different incident wave parameters, structure dimension and relative clearance s / h1 / 3 on the impact pressure is discussed
通過對不同波浪參數、結構物尺度、結構物與靜水面的距離等情形的試驗結果的比較分析,研究隨機波浪對不同接岸型式碼頭面板的沖擊壓力特性,分析波浪沖擊壓力沿碼頭面板底面的分佈規律,討論入射波要素、結構物尺度、結構物相對凈空等要素對碼頭面板底面所受的沖擊壓力的影響規律,給出便於工程應用的計算波浪沖擊壓力的經驗公式。( 2 ) discuss how to use the information from rs to distill the environmental geologic factors discuss the method for distill the surface sink, landslip, etc. from dtm, water, residential area, vegetation, gold mine points, gangue warehouse, etc. from spectrum analysis, roads, ground split, falls, etc. from crisp and eye distinguish
( 2 )探討利用遙感信息進行環境地質因素的提取方法對各環境地質要素進行遙感信息的提取,探討了基於數字地面模型的地面塌陷、崩塌等要素的提取方法;基於波譜分析的水體、居民區、植被、金礦點、尾礦庫等要素的提取方法;基於邊緣增強、目視判讀等方法的線狀要素如道路、地裂縫、構造線的提取。It is assumed that model parameters calibrated from measured precipitation - runoff data in a specific period, reflect the situation of land surface and the human activity in that period. firstly, daily data of precipitation, pan evaporation, and discharge in 1960 ' s are used to calibrate the parameters of the xin ' anjiang model. then the parameters calibrated are applied to the computation of daily discharge from 1950 ' s through 1990 ' s, in which daily measured data of precipitation and pan evaporation are taken as the input of the xin ' anjiang model
這種徑流過程代表下墊面和人類活動水準不變情況下氣候波動對徑流的影響,然後利用計算的長系列徑流過程與實測徑流過程對照,其差別反映下墊面的自然變化過程是十分緩慢的,可以忽略,因此這種差別主要代表了人類活動的影響,從前後期率定水文模型所得參數的差別及參數所代表的物理意義來分析下墊面及人類活動的變化,從而將氣候波動和人類活動對地表水資源影響程度定量分解出來。Results show that triple reflection signal and quintuple reflection signal of ytype and s type are less 12db, 16. 67 db and 11. 8 db, 17. 3 db than that of " - ' " type saw mass sensor device. experiment results show that insertion loss ( about 14db ) of the devices in center frequency is close to the theoretical value ( about 16db ) developed by p matrix representation. sensing characteristics of y type and s type saw mass sensors have been also tested and analysed in detail. ethanol and pure water mixed solution containning trace nacl is titrated into mass loading area of y type and s type saw mass sensors devices to detect their mass loading sensitivities
本文對y型和s型雙聲路saw質量傳感器件的傳感特性進行詳細測試分析,在y廠書型和s型雙聲路聲表面波器件的質量沉積區中滴定含有微量naci溶質的乙醉和水的混合溶液,以測試器件的質量沉積效應靈敏度,它們分別約為2967ppm . cm丫夢g ( y型)和3一15ppm . emz /協g ( s型) ,與理論值38 . 93ppm . emz / 「 g相近,拼處于國內外同型和s型雙聲路聲表面波器件的頻率一溫度特性幾,其單聲雙聲路相對溫度系數約為10一12hz / ,處于國內外同類研究先進水平。According to the traditional rytov method, the theory model of modified rytov method is given for plane wave and spherical wave propagation in the atmospheric turbulence, and the characters of optical scintillation for waves propagation along horizontal paths is studied, the inner scale effect is considered, especially. then, the results, calculated by the modified rytov method, is compared with the experiment measurement, it shows that the modified method is suitable in moderate atmospheric turbulence
本文介紹了光波在湍流大氣中傳播的弱起伏和強起伏理論,從經典弱起伏理論出發,給出了光波在水平傳輸時的修正rytov方法理論模型,分析了在考慮湍流內尺度的影響下平面波和球面波入射時的閃爍特性,在中等湍流區計算結果與最近實驗結果符合得較好。Current. in order to make diffluent piers with low ridge to be popularized and applied, the surface wave of low fr. current is chosen as the research object. we measure the surface wave elements and the velocity distribution of various diffluent piers scheme by the experiment of physical model. we also analyze the average wave height, the the average value of the square of wave, unit width of the wave ' s energy, the probability density distribution of wave height, and the power chart character, so as to reveal the weakening wave mechanism of the diffluent piers
低fr水流的核心是波浪問題,為了低坎分流墩的推廣應用,本研究以低fr水流的表面波浪作為研究對象,通過物理模型試驗,對各種分流墩方案消能工的下游水面波浪要素、流速分佈進行測試,分析低坎分流墩下游波浪的平均波高、均方根、單寬波能、波高概率密度分佈及功率譜特性變化規律,從而揭示了低坎分流墩的削波機理。In this paper, a quasi - 3d model of nearshore wave - induced currents and long waves is established based on the combination of an averaged integration of surface wave - induced currents equation along water depth, a 2d equation for the solution of vertical structures of the currents and a nonlinear parabolic approximate wave reflection - diffraction equation of mild slope
本文建立了將沿水深積分平均的平面波生流方程和求解波生流垂向結構的二維方程與非線性拋物型近似緩坡波浪折射-繞射傳播方程相結合的完整的準三維的近岸波浪引起的水流及其長波的模型。分享友人