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- variable coefficient model 变系数模型
- Water has a variable coefficient of expansion. 水的膨胀系数是可变的。
- variable coefficient models 变系数模型
- The series solution for boundary value problem of nonhomogeneous harmonic equation with variable coefficient is obtained. 使变系数非齐次调和方程边值问题的求解有了新的进展。
- The distribution of separate layer injection intensity appears lognormality, and the variable coefficient is one constant. 分层注水的层段注水强度服从于对数正态分布，并且其变异系数为一常数。
- The PR equation of state by the Huron-Vidal mixing rule with the NRTL activity coefficient model gave satisfactory correlation and prediction results. 这些结果与建议，可提供相关工业界使用超临界流体清洗或乾燥之参考。
- This paper generalizes the two dimensional Crank Nicholson difference scheme from constant coefficient to the condition of variable coefficient with interpolation by integral. 利用积分插值法，把二维Crank－Nicholson差分格式，由常系数推广到变系数情形。
- In this paper,a coefficient model of the anisotropic diffusion based on the characteristic of human visual system(HVS) is proposed and a diffusion speed parameter is employed. 根据人类视觉系统的特性提出一个各向异性扩散系数模型,并且引进了扩散速率因子。
- But how can we solve the differential equation with variable coefficient and the differential equation whose inhomogeneous term doesn't belong to the basic form. 但是对于变系数的及非齐次项不属于基本类型的微分方程，如何求解？
- The variable coefficient differential equations were solved numerically with consideration of the magnetizing inductance influenced by the magnetizing currents. 仿真计算结果表明，空载所建电压值随自激建压电容值的增加而增加，而建压过程随自激建压电容值的增加而缩短。
- But how can we solve the differential equation with variable coefficient and the differential equation whose inhomogeneous term does not belong to the basic form. 但是对于变系数的及非齐次项不属于基本类型的微分方程，如何求解？
- With the introduction of the Simha-Somcynsky(SS)equation-of-state(EOS)into the Vrentas-Duda model,a modified diffusion coefficient model based on the EOS was developed for polymer-solvent systems. 将Simha-Somcynsky状态方程引入到Vrentas-Duda扩散系数模型,建立基于状态方程的溶剂在高分子中扩散系数模型。
- The amplitude-frequency equation is also derived.The error comparison between system with coulomb friction and with velocity-dependent variable coefficient of sliding friction is put forward. 通过一个数值例分析，考察了简化为理想干摩擦模型时带来的计算误差。
- Homogeneous model and three separated flow models, i.e., L-M model, Chisholm B coefficient model and Friedel model, are employed to analyze the measured pressure drop data. 最后,利用均相模型和三个两相流动模型(L-M模型,Chisholm B系数模型和Friedel模型)对微通道沿程压降进行分析和比较。
- This extend the solutions of clossical constant coefficientlinear equation and the famous Euler equation and provide a effective method forsolving variable coefficient linear differential equation. 给出了具有指数型解的充要条件，推广了经典的常系数线性方程和著名的Euler方程的的解法，为求解变系数线性微分方程提供了有效的方法。
- In this paper, using the fundamental estimation of superconvergence theory, the author has proved the pointwise superconvergence of the recovery flux for variable coefficient equations. 本文运用超收敛基本估计对变系数情形证明了重构流量的逐点超收敛性。
- The variable coefficients, the solution itself and its normal flux may be discontinuous across the interface. 所谓有介面椭圆方程是指其扩散系数、方程解本身或其流量有不连续面。
- Two simple friction coefficient models,Coulomb friction law and static friction model,are introduced. They are combined with the tire unified brush theory to analyze tire friction problem. 介绍了2种简单的摩擦系数模型(库仑摩擦定律、静摩擦力模型),并将其与轮胎统一刷子理论模型结合起来分析轮胎的摩擦问题。
- To one kind of difference system with variable coefficients, some sufficient conditions for global asymptotic stability of trivial solution are given. 摘要给出了一类变系数差分系统的全局渐近稳定的一些充分条件。
- A Eddy Viscosity Coefficient Model in Tensor Form 一种张量形式的涡粘系数模型
