flow equation

Gas flow equation in porous media with a slippage effect was presented, combining with molecular diffusion theory. It is a theoretical foundation for further study on permeable theory, reservoir engineering, and performance analysis in low gas permeability reservoirs.

在考虑了气体渗流的特点后，结合分子扩散理论得到了考虑滑脱效应的气体渗流速度方程，为进一步开展低渗透气藏渗流理论研究，油藏工程研究和动态分析建立了基础。

Based on the radial transient flow equation and the superposition principle, a corrected formula for calculating the unstabilized and stabilized binomial equation is obtained by analyzing the whole procedure of the modified isochronal test.

根据气井早期不稳定渗流理论和渗流叠加原理，对修正等时试井的全过程进行理论分析，推导出确定不稳定及稳定二项式产能方程的校正公式。

the mass conservation equation, energy conservation equation, flow equation and heat transfer equation are described in this paper.

列出了描述蒸汽发生器模型的质量、能量守恒方程以及流量方程和传热方程。

The Development and Applications of Renormalization Group Flow Equation Method

重整化群流方程方法的发展及其应用

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。

Based on the heating flow equation, the tip temperature of the cone field emitters were computed self-consistently in Nottingham effect and in Jouel heating.

从热传导方程出发，考虑Nottingham效应和焦耳热情况下，采用自洽求解了圆锥形场发射体的尖端表面温度；

Feature-oriented coupled bidirectional flow equation for image denoising and edge sharpening

基于特征驱动的双向耦合扩散方程的图像去噪和边缘锐化

According to the Newton's second law of motion, the law of conservation of mass, and Bingham plastic flow equation of slurry, as well as under top cement pulsation, the mathematical models of one dimensional pressure pulse propagation downwards in the cement column was established.

文中根据牛顿定律、质量守恒定律及水泥浆的宾汉塑性流变性，在顶部水泥脉冲振动作用下，建立了水泥浆中，一维压力传播的波动方程的数学模型。

A Bidirectional Flow Equation with Local Coupling Term for Edge Sharpening and Image Enhancement

带有局部耦合项的双向扩散与图像增强

The time difference equation derived from unsaturated flow equation can be approximated by Galerkin finite element or finite difference method for space coordinate derivatives.

所得的非饱和土壤水运动方程对时间的差分方程，在空间上不仅可用有限元法而且可用有限差分法处理。

On-line autoregulation on flow equation of multilevel pump stations system.

进行了多级泵站中转桨泵在线自动调节输水系统流量平衡的动态仿真计算。

The problem of power flow equation divergence can be overcomed by continuation power flow method.

连续潮流法能克服潮流方程在鞍型分叉点处不收敛的问题.

Existence of global classical solutions of a generalized mean curvature flow equation

一类推广的平均曲率流方程整体古典解的存在性

It couples the groundwater flow equation with the solute-transport equation.

它把地下水流动方程与溶质输运方程耦合在一起.

Based on the flow equation concerned on threshold pressure gradient and deforming media, this paper productivity equation and IPR forecasting method for low permeability reservoir.

基于考虑启动压力梯度和介质变形特性的单相流渗流方程，建立了适应于低渗透油藏油井的产能方程，并给出了低渗透油藏单相流IPR预测方法。

In numerical calculation, an explicit forward finite element technique is applied in the two-dimensional flow equation, and an explicit direct finite difference technique in the thermodiffusion equation.

在数值计算中，对二维水流方程采用显式迎流有限元方法，对平面热扩散方程采用显式直接差分法，并对这两种方法进行了耦合计算。

Simplification of the mass balance equation of water storage formation and its coupling with the flow equation under vertical elasticity assumption

储水层质量守恒方程的简化及在垂向弹性形变假定下与水流方程的耦合

A tapered tube variable area ring orifice device for wet gas measure is developed. It combines a tapered tube, an inner circle-shaped movable baffle, a precision spring and a displacement sensor. Flow equation is given, with distance displacement for pressure difference.

本文提出了一种锥形管变面积环孔装置，用于湿气计量，采用锥形管、内圆形可移动阻流件、精密弹簧和位移传感器组合的结构设计，给出了用位移代替差压的气体流量方程。

We computed the upward propagation and evolution of different kinds of perturbations in the solar atmosphere, using HSRA as the unperturbed model. The dynamical equation used is an one dimensional compressible flow equation under gravitational acceleration at the solar surface.

本文用多方过程方程式封闭一维带引力场的流体力学方程组，用不同的γ值计算了不同类型的扰动在HSRA太阳大气模型中向上传播和演化。

Starting with the flow equation, the continuity equation and the force equilibrium equation of the hydraulic system, the authors deal with the mechanism modeling for the double triangle boom and its hydraulic system.

作者从液压系统的流量方程、连续性方程和力平衡方程入手，对双三角钻臂及其液压驱动系统机理建模。