equation of continuity

This relationship will eventually be substituted into the equation of continuity for moisture, which is now derived.

这个关系式最终要代到下面要推导的水连续性方程中去。

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The paper gives out a shallow water equation, which includes not only the bottom friction part, but also the viscosity part. The equation consists of continuity equation, conservative momentum equation, non-conservative momentum equation and Poisson equation.

本文完整的提出了不但含有底磨擦项，而且含有粘性项的浅水波动方程，包含质量连续方程、守恒型运动方程与非守恒型运动方程以及用以求解船底表面压力的压力泊松方程。

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From the continuity equation satisfied by the stress rate and the stress concentration we gain the necessary condition of rupture expansion, and discuss the state of medium in seismic focus region before an earthquake and dynamic expression of stress drop.

由应力变化率和应力集中所满足的连续方程.得到破裂扩展的必要条件，并据此讨论了震前震源区介质的状态和应力降的动力学表示。

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For small disturbance, the wave equations of viscous compressible fluid are deduced from its equation of motion, equation of state, and equation of continuity. Thus it is shown there may be dissipative compressional wave and shead wave in viscous compressible fluid.

本文在小扰动条件下，从粘性可压缩流体的运动方程、状态方程以及连续性方程导出了它的波动方程，从而表明粘性可压缩流体中能够存在有耗损的纵波与横波。

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Using the Porosity and Permeability Meter under high pressure, based on Darcy law, state equation and equation of continuity, a gas transit measurement and calculation method of permeability on rock has been studied.

在已有的高压孔隙度渗透率测量仪上，根据Darcy定律、状态方程和质量守恒方程，研究了一种气体介质渗透率瞬态测量和计算方法。

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In this paper. the Euler equation and equation of continuity of water movement are linearized on the basis of the small disturbance principle, then the undulatory equation is solved.

本文通过对水流运动的欧拉（Eulcr）方程和连续方程按小扰动原理进行线性化处理，然后求其波动方程的解。

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The flow surface elevation is obtained from iteration calculation of free surface equation and the flow depth is calculated from equation of continuity.

通过迭代法求解自由水面方程并计算出自由水面高程，由连续性方程求出水流深度。

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There were similarity solutions in the uniform environment for the system of equations including the equation of continuity, the equation of momentum along the flow direction and concentration, and equations of k, epsilon.

在均匀环境条件下控制该类流动的连续性方程、流动方向的动量方程、浓度扩散方程、湍动能及其耗散率方程存在相似解。

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However, on the basis of equation of continuity and equation of motion as well as equation of state when natural gas is flowing at dynamic state in pipe network, this paper adopt center implicit difference method to solve these equations.

根据气体在管网系统中动态流动的连续性方程、运动方程以及状态方程，采用中心隐式差分法进行求解。

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The interpolation of rational bicircular arcs is provided, that contains the establishing equation of continuity, calculating the angles between chords and cutting lines, and constructing the spline curves.

提出了有理双圆弧插值的算法，其中包括建立连续性方程，计算弦切角以及构造样条曲线。

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The equation of continuity is then used to further get a 2-order elliptical equation satisfied by sea surface elevation, and the unpenetrable condition at the shore wall of semi-closed sea area is also derived by means of tidal level.

然后利用连续性方程进一步得到了海面升高即潮位所满足的二阶椭圆型方程，进而导出了以潮位形式给出的半封闭海区岸壁不可穿透条件。

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Starting from Navier-Stokes equations and continuity equation in cylindrical coordinates, the exact solution of flow in the separation space of swirl tube is presented assumed on the condition of inviscid. And the CFD methods is used to investigate the gas flow characteristics.

其中，从柱坐标系下的Navier-Stokes方程和连续性方程出发，建立导叶式旋风管分离柱内旋风流场涡旋流动的精确解，采用无粘性流体假设，对于流场内部进行较为全面的求解。

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We see the permeability and porosity, density and so on as the physical quantities which change with the time and pressure. On the basis of the equation of continuity, energy equation and motion equation, we establish the mathematical model of THM coupling.

将渗透率、孔隙度、密度等这些量看成是随时间和压强变化的物理量，在连续性方程、能量方程和运动方程的基础上，建立了热流固耦合的数学模型。

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For the first part, regard leakage hole as convergent nozzle and drainage through leakage hole can be got according to equation of continuity.

对第一部分，把泄放孔等效为收缩喷嘴，根据连续性方程得到经过泄放孔的泄漏。

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The first one is solved by characteristic theory, the second one and equation of flow continuity are in triangular differential scheme, Which is suitable to not only mathematical characteristic, but alse arbitrary shape of flow domain.

对流算子用特征线求解，扩散算子和水流连续方程用三角形差分格式，既满足不同微商的数学性质，又适应不规则的边界形状。

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But the Liu's solution [ 1] did not satisfy the equation of continuity ( 1.2).

而刘氏的解却不满足连续性方程（1.2）。

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In this paper, the reasonable measures of stress and strain and the right expression of geometric equation and continuity condition are pointed.

对于欧拉表达式中的几何方程和连续条件，文中指出应采用合理度量及正确表达式。

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Radial expansion of lightning channels are analysed theoretically and the mechanism of the formation of shock waves of lightning is discussed by applying the equation of motion, the equation of continuity and the equation of energy conservation of hydrostatics.

本文从流体力学欧拉运动方程、连续方程和能量守恒方程出发，理论分析闪电通道的径向扩展，研究闪电冲击波的形成机制。

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According to theory of basis seepage flow 、 conservation of mass 、 seepage flow equation of continuity, deduce seepage flow differential equation.

依据渗流基本理论、质量守恒定理、渗流连续方程从而推导渗流微分方程。

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On the basis of three-dimensional equations of motion and the equation of continuity of the incompressible unsteady flow, the three dimensional velocity distribution and variation of tidal levels with.

本文根据不可压缩三维非定常流的动量方程和连续方程，求解了宽浅型明渠中三维流速分布和水位随时间的变化规律。

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The models include the equation of ion continuity, momentum equation, Poisson equation and equivalent circuit equation, through which the relationship can be determined between insulated substrate surface potential, charge density and sheath thickness.

模型包括离子连续性方程、动量方程和泊松方程，特别是提出了可以自洽地决定绝缘基板表面电势、表面电荷密度和鞘层厚度关系的等效电路方程。

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The Equation of Continuity in Water-turbine on Half-orthogonal Curve Coordinate System

半正交曲线座标系下水轮机连续性方程的建立

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Because of that, the boundary conditions of continuity equation are different from those of conventional cells.

它的存在使得p区的连续方程边界条件不同于普通电池。

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