boundary current 中文意思是什麼
boundary current
解釋
邊界流-
Using the split steps finite element method, the varied - boundary two - dimensional numerical model of diurnal tide and tidal current in the luoyuan bay is constructed
摘要採用不規則三角形網格的分步雜交法，建立羅源灣海域二維變邊界全日潮汐和潮流數值模型。 -
The plasma boundary can be identified by filament current method with the magnetic signals from probes around the plasma
摘要根據等離子體邊界附近的磁場測量信號，利用電流絲模型快速識別了等離子體的邊界。 -
Firstly, in spherical coordinate system, the sovp formulation for the time - harmonic electromagnetic fields of the current dipole in conductive infinite - space is derived, using reciprocity theorem and transforming relations between special functions. then, selecting appropriate coordinate system, using superposition principle, the boundary - value problem of modified magnetic vector potential on the problem of a time - harmonic current dipole in spherical conductor is solved and analytical solution is obtained. finally, by means of the addition formulas of legendre polynomial and spherical harmonics function of degree n and order 1, the analytical solution in spherical coordinate system specially located is transformed into that in spherical coordinate system arbitrarily located
首先利用特殊函數間的轉化關系和互易定理推導得到了無限大導體空間中球坐標下時諧電流元電磁場的二階矢量位形式：然後利用疊加原理，選擇合適坐標系，求解了導體球中時諧電流元的修正磁矢量位邊值問題，得到了問題的解析解；最後依據不同坐標系下電磁場解的轉化原理，藉助勒讓德多項式和n次1階球諧函數的加法公式，將坐標系特殊安放時的電磁場解析解變換到坐標系一般安放時的解析解，給出了球內電場和球外磁場的並矢格林函數。 -
The special district is bordered on the east by hsinchieh stream, on the west by chia stream, on the north by the 60 dnl noise boundary of taoyuan military airport and on the south by the current scope of the specified area of jungli and neili interchanges. the total area covered is 428 hectares, excluding the 20 hectares for hsr station
本特定區范圍東以新街溪為界，西至洽溪為界，北側參照桃園軍用機場1990年日夜均能音量60dnl噪音界線為界，南以銜接現有中壢及內壢交流道特定區都市計畫范圍為界，扣除高鐵車站專用區20公頃，面積為428公頃。 -
To calculate this boundary parameter, mohorovicic discontinuity palaeo - heat flow value during basin evolution process is identified through geotectonic background analogy method based on " peeling " method model, and the basin basement palaeo - heat flow is calculated through inversion from today to antiquity with current tectonic structure as constraint condition for palaeo - crustal architecture analogy
為了求取這個邊界參數，以「剝層」法模型為基礎，通過大地構造背景類比法確定盆地演化過程中莫霍面古熱流值，以現今地殼結構為約束條件類比古地殼結構，從今至古反演求取了盆地基底的古熱流。 -
The simulated scs surface circulation is generally cyclonic ( anticyclonic ) during the winter ( summer ) monsoon period with a strong western boundary current. the surface circulation in spring and in fall possesses transitional characters between summertime and wintertime
模擬結果給出了南海環流的基本特徵：西邊界流、南海暖流、冬季（夏季）海盆尺度的氣旋（反氣旋）式環流。 -
Boundary integral equation of electromagnetic field with line current element of external source
存在外源線電流元的電磁場邊界積分方程 -
Induced current electrical impedance tomography ( iceit ) is a new branch of electrical impedance tomography ( hit ). it applies several excitation coils on the boundary of the object. when one of the coils is stimulated by constant alternating current, the magnetic field is established
感應電流電阻抗斷層成像（ inducedcurrentelectricalimpedancetomography ， iceit ）是電阻抗斷層成像技術的一個分支，它在被測目標的外圍放置若干個激勵線圈，對其施加時變電流，在空間產生交變磁場，從而在被測目標內激勵出感應電流。 -
In order to calculate depth - averaged two - dimensional ( 2 - d ) suspended sediment transport under waves and currents in the yangtze estuary, a numerical model system is developed. four models, a 2 - d compound fluid model including wind, waves, tides and river runoff, a swan wave model, a wave - current bottom boundary layer model and a 2 - d suspended sediment transport model are integrated
本文建立了一個用於波?流共同作用下長江口平面二維懸沙計算的數值模型系統，主要由四部分組成，即考慮風、浪、潮、徑流的二維復合流場模型、 swan海浪模型、波?流相互作用的底邊界層模型以及二維懸沙輸運模型。 -
In boundary treatment, the model turns into generally adds coarseness boundary made of specially complex many coarseness body in the physical model experiment as the coarseness body highly and discharges the density to add the coarseness spot as the main characteristic whole, both to avoid the location within the body of this complex mathematical simulation problems, and could realize this model after to simulate the apron that adds the coarseness namely adds the coarseness section downriver speed of flow to the downriver current of water base speed of flow influence in to hang upward
該模型在邊界處理時，將物理模型試驗中由特別復雜的多個加糙體組成的加糙邊界概化成以糙體高度為主要特徵的整個加糙部位，既避開了對加糙體內部進行極其復雜數學模擬的這一難題，又能實現模擬海漫加糙段下游水流流速在垂向上的分佈變化這一主要目的。在獲得基本的入流流速分佈、初始水位及加糙體的絕對高度和加糙段長度的情況下，能迅速模擬出加糙段下游各個斷面在垂向上的流速分佈情況。 -
In this thesis, studies are made on the problem of time - harmonic electromagnetic fields excited by an arbitrary current dipole in spherical conductor. the problem is presented in eddy - current nondestructive test and geophysical prospecting. under the condition of magnetic quasi - static state, the boundary - value problem about modified magnetic vector potential is solved and the analytical solution is obtained
本論文針對渦流無損檢測和地球物理勘探領域用到的球導體中時諧電流元的電磁問題做了研究，在磁準靜態近似下，求解了修正磁矢量位的邊值問題，獲得了問題的解析解，並利用通用有限元分析軟體做了數值驗證。 -
Chou, chung - ren, shinn - shan yan, and hui - ming fang, 1997, wave height distributions around submerged structure in wave - current field, engineering analysis with boundary elements, 20 ( 1 )
周宗仁，陳明宗，黃一平， 1997 ，水中系留平板消波特性及運動行為，中國土木水利工程學刊， 9 （ 3 ） : 525 - 531 。 -
Research on surface and grain boundary passivation mechanism obtained effects of surface recombination on crystalline silicon solar cell performance and the theoretical expression of grain boundary recombination velocity. the limit ratio of short - circuit current increment for anti - reflection coating utilization on solar cells was obtained. the crystalline silicon solar cell spectral response, contact resistance and minority carrier lifetime measurement systems were established
鈍化機理研究獲得了表面復合對不同表面摻雜濃度晶體硅太陽電池性能的影響、表面和界面復合速度的理論表達式；研究得到了減反射膜對太陽電池短路電流增量比的極限；建立了太陽電池光譜響應、柵線電極接觸電阻和少子壽命等測試系統。 -
From considering the interaction between wave and current, we can get a reasonable result by solving the governing equations with properly boundary conditions
考慮群柱間波?的交互作用，藉由求解在適當邊界條件下的控制方程式可推導出? ?解析結果。 -
The turbulent characteristics of high - velocity sediment - laden and aerated flow are more other than the clear water flow of single - phase and current of low speed. in a special circulating system with high velocity flow, some flow parameters such as boundary shear stress and pulsation pressure are measured. an investigation is made on the turbulent characteristics of the three - phase flow of water, air and sand
本文針對高速含沙摻氣水流的運動規律有別于低速水流及清水單相流，在自己研製的高速渾水循環系統中，通過對高速含沙摻氣水流壁面剪切應力和脈動壓強等參數的量測，分析了水沙氣三相流的紊動特性，探索了泥沙對固壁的磨蝕機理及減蝕措施，其主要內容包括以下幾個方面： 1 -
Finally, we propose a main road model in city traffic according to the improved ns model with open boundary conditions, and study some characters about this model with different parameters. our purpose is to find out the actor which influent the main road ' s average speed and current, and also the law of city traffic. then we can give some advise for managing and controlling the main road trffic. organization and self - organization cooperation in this model is discussed. the effect of roads ' length, the number of intercections and their positions is self - organization, and the effect of the deceleration probability, the injection ( extinction ) rate, the cycle times of traffic lights is organization. we analyse the effect of the parameters above separately
最後，在開放邊界條件下改進ns模型的基礎上，建立二維城市主幹道模型，研究不同參數條件下模型的性質，找出影響主幹道流量、速度的因素及城市交通流變化的規律，給出適當的參數匹配，為主幹道管理和控制提供依據。主幹道模型由一條東西向的主幹道和若干條南北向的支道組成，在支道和主幹道的交叉路口上設置紅綠燈，交叉口上的車輛可以轉向行駛。 -
The effect of wave radiation stress is considered in the compound fluid model. the value of bottom friction is offered by the wave - current bottom boundary layer model
復合流場學模型中考慮了波浪輻射應力的作用，底摩擦由波?流相互作用邊界層模型提供。 -
Based on some discussions on the mathematic model set up for the cathodic protection potential field, a two - dimensional boundary element method ( bem ) is developed, and by using which, a study on the shielding effect resulted from some typical inner structures such as the reinforcing elements and the partition walls with man holes on distribution of potential and current density in the cathodic protection is performed. the investigated parameters which affect the shielding effect in the calculating model include : the height and thickness of the reinforcing elements, the distance between the anode and the reinforcing elements, and the diameter of man hole on the partition walls, and so on
本文在討論了陰極保護電位場問題的數學模型的基礎上，以二維邊界元法對陰極保護問題中的電位及電流密度分佈進行了模擬計算，重點對船舶壓載艙中的典型結構如加強筋、人孔等在陰極保護中所產生的屏蔽效應進行了分析和研究，通過對不同高度、厚度的擋板及不同孔徑的帶孔板所產生的屏蔽效應進行模擬計算，首次得到了一些對實際工程設計具有重要參考意義的見解。 -
The strict solution of the eddy current distribution inside a conductor cylindrical boundary surface for quasi - state - state is obtained by derivation of maxwell ’ s equations ; meanwhile, the approximate solution of the eddy current and electromagnetic field in the condition of the low - frequency or the high - frequency are obtained. furthermore the penetration depth of the skin effect is achieved
五、討論了似穩條件下導體圓柱面內的渦電流分佈的規律。我們採用圓柱界面條件下獲得的趨膚效應的穿透深度與採用平面條件下獲得的趨膚效應的穿透深度相一致，我們的研究可視為對傳統教材相關論述的有益補充。 -
According to the research of the modern enterprise ' s resource view, this paper points out : expanding the boundary of the firm and transferring the knowledge within it through foreign direct investment, the multinational corporations not only keep the integrality of knowledge stocks, but also build the platform for recombination and creation of new knowledge in order to acquire the dynamic competitive advantage. by the method of historical research and comparative analysis combining qualitative analysis and quantitative analysis together, the author utilizes the modern enterprise ' s resource view to revise the advantage theory in the following aspects : mncs " way of overseas expanding, enter decision, relation of mother and son of mncs, mnc raising social efficiency and small and medium - sized enterprises overseas investment. the after revising, the advantage theory can better explain the reality and developing trend of current mncs and bring certain enlightenment to chinese enterprise in economic globalization and offer academic supporting and guidance for its overseas direct investment behavior
本文根據對現代企業資源觀理論的研究，指出跨國公司通過對外直接投資來拓展企業邊界並進行知識的內部轉移，不僅可以保持企業現有知識存量的完整性，而且也為知識的再結合和創造新知識構築了平臺，通過歷史考察與比較分析相結合、定性分析與定量研究相結合的方法，利用現代企業資源觀理論，在跨國公司海外擴展方式選擇、進入決策、跨國公司母子關系、跨國公司提高社會效率和中小企業海外投資等方面對壟斷優勢論進行了修正，使得經過修正的壟斷優勢論能夠更有力地解釋當今跨國公司發展的現實和趨勢，給經濟全球化中的中國企業帶來一定的啟示，為其海外直接投資行為提供一定的理論支持與幫助。
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