conservation equation 中文意思是什麼

conservation equation 解釋
守恆方程式
  • conservation : n. 1. 保存，維持（健康），保守；保護；保護森林[河道]（等）。2. 【物理學】守恆，不滅。adj. -al
  • equation : n. 1. 平衡，均衡；平均，相等。2. 【數學】方程式，等式。3. 【天文學】（時）差；均分，等分。4. 【化學】反應式。
  1. Finally, in the third section, by constructing some functional which similar to the conservation law of evolution equation and the technical estimates, we prove that in the inviscid limit the solution of generalized derivative ginzburg - landau equation ( ggl equation ) converges to the solution of derivative nonlinear schrodinger equation correspondently in one - dimension ; the existence of global smooth solution for a class of generalized derivative ginzburg - landau equation are proved in two - dimension, in some special case, we prove that the solution of ggl equation converges to the weak solution of derivative nonlinear schrodinger equation ; in general case, by using some integral identities of solution for generalized ginzburg - landau equations with inhomogeneous boundary condition and the estimates for the l ~ ( 2 ) norm on boundary of normal derivative and h ~ ( 1 ) ' norm of solution, we prove the existence of global weak solution of the inhomogeneous boundary value problem for generalized ginzburg - landau equations

    第三部分：在一維情形，我們考慮了一類帶導數項的ginzburg ? landau方程，通過構造一些類似於發展方程守恆律的泛函及巧妙的積分估計，證明了當粘性系數趨于零時， ginzburg ? landau方程的解逼近相應的帶導數項的schr （ ? ） dinger方程的解，並給出了最優收斂速度估計；在二維情形，我們證明了一類帶導數項的廣義ginzburg ? landau方程整體光滑解的存在性，以及在某種特殊情形下， gl方程的解趨近於相應的帶導數項的schr （ ? ） dinger方程的弱解；在一般情形下，我們討論了一類ginzburg ? landau方程的非齊次邊值問題，通過幾個積分恆等式，同時估計解的h ~ 1模及法向導數在邊界上的模，證明了整體弱解的存在性。
  2. The procedure to modify the sss code is as follow : at first the hom eos ( equation of state ) is replaced by the sesame eos, secondly the magnetic force is added to the momentum equation, the ohmic heating rate is added to the energy conservation equation

    對sss程序改造過程大致如下：首先以sesame數據庫物態方程替換sss程序原有的物態方程；其次在動量守恆方程中加上洛侖茲力項，在能量守恆方程中加上單位質量焦耳加熱項，通過麥克斯韋方程推導出磁擴散方程。
  3. On the basis of analyzing infiltration process to different soil and water conservation tillage measures type, a increasing infiltration r ates model for different soil and water conservation tillage measures type by using water balance equation is woke out. 4. accumulation depth and soil crust have a better affect to soil initial stage infiltration rates and a little affect to soil stable infiltration rates

    （ 4 ）積水深度和土壤結皮對初始入滲速率影響較大，對穩定入滲速率影響不大，隨著積水深度和結皮厚度的增大，這種情況尤為顯著，如在積水深度為5cm和3cm情況下，穩定入滲速率在黃土高原溝壑區分別為0 . 57mm min和0 . 56mm min ，在黃土丘陵溝壑區分別為0 . 94mm min和0 . 93mm min ，兩者相差甚微。
  4. Equation 1. 1-11 is thus a statement of the conservation of particle probability.

    因此等式（11-11）可以作為粒子幾率守恆的表達式。
  5. Coordinate transformation, matrix, vectors, newton ' s law, conservation theorems, simple harmonic oscillator, non - linear oscillations, gravitation, euler ' s equation when auxiliany condition are imposed, the delta notation, lagrangian and hamilitonian dynamics, central - force motion, dynamics of a system o f particles, motion of noninertial reference frame, dynamics of rigid body, coupled oscillations, orthogonality of the eigenvectors, continuous system

    座標變換、矩陣、向量、牛頓定律、守恆定律、簡諧振動、非線性振動、引力、尤拉式方程式及附加條件、符號、拉格蘭及漢米爾頓力學、中心運動、多粒子系統動力學、非慣性參考座標運動、剛體動力學、耦會振動、本微向量正交性、連續系統。
  6. It has a long history using a throttle device to measure the flow volume of fluid in pipe the method has formed normalization at home and abroad the principle is to make the flow bunch form the particial shrink at the place where the throttle part is located so as to produce a static pressure difference then measure and calculate the flow volume at the moment when the fluid is flowing through the throttle device by the static pressure measured this method is based on the law of conservation of energy and the equation of flow continuity

    用節流裝置測量管道中流體流量已歷史悠久，在國內、國際上都已標準化，其原理是使流束在節流件處形成局部收縮，產生靜壓力差，通過測量靜壓力差來衡量流體流過節流裝置時的流量大小，這種測量方法是以能量守恆定律和流動連續性方程為基礎的。
  7. This equation is the local equation of mass conservation of a species in solution.

    這個方程就是溶液中一種組分的局部質量守恆方程。
  8. Mass conservation equation

    質量守恆方程
  9. Equation of mass conservation

    質量守恆定律方程
  10. Conservation law of mass, the state equation for ideal gas 、 thermodynamic equation and flow rate equation are used to establish first order differential mathematic model, and a special investigation on mass flow rate coefficient for different components are carried out to make the model more accuarate

    從模擬和實驗兩個方面進行研究，著重於把ameset和客戶化定製兩種方法結合起來使用，利用質量守恆定律、理想氣體狀態方程、熱力學方程、流量方程等建立一階微分數學模型，並配以amesim平臺對所建立的模型進行進一步的系統模擬驗證。
  11. According to energy conservation equation and fusion and evaporation characteristics of electrode materials, a simplified one - dimension mathematical model was made and numerically solved by means of fdtd ( finite - difference time - domain )

    根據能量守恆方程，同時考慮了電極材料的熔解和氣化特性，建立了電極燒蝕過程的一維簡化數學模型，並採用時域有限差分法（ fdtd ）進行了數值求解。
  12. For the actual situation of multiplayer production in most oil wells, velocity and flow change are considered in the model while fluid moves up the well, and conservation equation including continuous equation, momentum equation and energy equation are solved together

    對大多數生產井多層產液的情況，並考慮到井筒內液體在上升過程中的速度變化和流量變化，把質量、動量和能量守恆方程耦合聯立求解。
  13. In the studying of the dielectric recovery mechanism, the dielectric process of high - power repetitive gas switches was analyzed theoretically, the conditions of full recovery of dielectric capability, and some qualitative results were obtained. then, a dynamic mathematical model of the dielectric recovery process was made, and a group of equations, including mass conservation equation, momentum conservation equation, energy conservation equation and state equation, were built. also, a mathematical model of the dielectric recovery process of a axially - blown gas spark gap, and a group of simplified hydromechanical equations were made

    在絕緣恢復機理研究中，首先對高功率重復氣體火花開關絕緣恢復過程進行了理論分析，提出了開關絕緣強度完全恢復的判據，得到了一些定性結論；然後建立了一般吹氣式氣體火花開關絕緣恢復的動態數學模型，得到了包括質量守恆方程、動量守恆方程、能量守恆方程和狀態方程等的一個完備方程組；建立了縱吹式氣體開關絕緣恢復過程的數學模型，得到了一個簡化流體力學方程組。
  14. ( 2 ) on the basis of continuity equation, momentum conservation equation, energy conservation equation, and substantial equation, coupled thm governing equations are derivated with giving up the assumption of local thermal equilibrium, adopting thermal elasto - plastic constitutive relation, taking the effect of temperature gradient on groundwater seepage ( analogous to soret diffusion ) and the effect of viscous dissipation of groundwater on temperature field of rock mass into account

    （ 2 ）根據連續性方程、線動量平衡方程和能量守恆方程以及相應的物性方程推導了飽和巖體溫度場-滲流場-變形場三場耦合作用控制方程組。在推導控制方程組時舍棄了「局部熱平衡」假設，採用了熱彈塑性本構關系，考慮了溫度梯度對地下水滲流的影響（類soret效應）以及地下水的粘性耗散對巖體溫度場的影響。
  15. The universal principle of mass conservation is introduced into porous media fluid mechanics followed by obtaining the general form of the mass conservation equation which used for oil - gas or oil - water percolation and media - deformed rocks is verified

    摘要將普遍的守恆原理引入了多孔介質流體力學中，得到了質量守恆方程的一般表達式，並用油氣、油水兩相滲流和變形介質中巖石固相的質量守恆方程進行驗證。
  16. In this paper, based on summarizing previous numerical studies on wave transformations, several works are documented : based on the mass conservation equation and euler ' s equation, the extended form of boussinesq equations is derived by using the velocity at an arbitrary water depth as the independent variable, and several terms are added into governing equations to model the effects of bottom friction, wave breaking and subgrid turbulent mixing

    本文在總結概述前人關于boussinesq方程波浪數學模型研究進展的基礎上，主要做了以下幾點工作：從質量守恆方程和euler方程出發，以某一水層處水平速度矢量作為獨立變量，推導出包含底摩擦耗能、波浪破碎效應和子網格湍流效應的改進型boussinesq方程。
  17. When the author sets up the mathematics model with describing the process of two - dimensional debris flow, he develops the continuity equation by the law of conservation of mass and establishes the momentum equations by the law of conservation of momentum. the author makes full use of the advanced computer technologies, establishes the finite difference equation of numerical simulation by the differential operator fission method, and writes programs for computers which contact friendly with the other programs. the parameters are directly input on the keyboard

    在泥石流堆積數值模擬方面，作者以前人工作成果為基礎，在建立數學模型時，根據質量守恆原理，推導建立了泥石流連續性方程，根據動量守恆原理，推導建立了泥石流運動方程;在數值解法上，充分利用高速發展的計算機技術，採用運算元分裂法建立數學模型的差分格式，開放式編製程序，人機對話方式設置參數，計算機程序具有通用性、可擴展性和易維護性。
  18. Based on the mass conservation law and momentum equations of incompressible fluid, the general equation for fluid flow in marching solution is established and the marching solution for flaid flow in manifolds is presented

    摘要以不可壓流體的連續方程和動量方程為基礎，將分支管流速作為未知量，建立推進演算法的基本方程和計算方法。
  19. Second - order perturbational finite difference schemes for hyperbolic conservation equation

    雙曲守恆型方程的二階攝動有限差分格式
  20. The method can describe the relativistic dynamic behavior of particles accurately and is especially adaptive to simulate the dynamic behavior of particles in ultra - intense laser field. 2. a charge conserving current weighting algorithm, which is based on the current conservation equation, is used in the code

    該程序的主要特點是對粒子模擬中的一些演算法進行了優化，主要工作包括： 1 、將等離子體粒子模擬中得到廣泛應用的borris旋轉推動粒子方法進行了改進。
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