查询词典 diffusion equation

An improved method based on anisotropic diffusion equation was proposed.

提出了一种基于各向异性扩散方程的改进方法。

The diffusion equation and viscoelastic stress model were coupled. We obtained an asymptotic solution by the perturbation theory.

在这一部分中我们采用了将扩散与粘弹性相结合的方程来刻画溶剂在玻璃态高分子材料中的移动。

This thesis is concerned with the existence of global attractor forreaction diffusion equation with delays.

本文研究含时滞的反应扩散方程全局吸引子存在性的问题。

A class of nonlinear two species competition singularly perturbed initial-boundary-value problems in a reaction-diffusion system in biomathematics was studies using the modern method of differential equation.

利用微分方程的近代方法研究了生物数学中一类非线性两种群竞争模型的反应扩散系统奇摄动问题。

Then we review the progress of the kinetic spin Bloch equation on the spin relaxation/diffusion.

然后我们回顾了使用动力学自旋Bloch方程在自旋弛豫／扩散方面的研究。

This paper concerns with the initial and boundary value problem for a nonlinear diffusion equation with degeneracies.

研究具退化性的一类非线性扩散方程的初边值问题。

In the second chapter, we describe how Einstein explained Brownian movement by stochastic method. After Einstein, Fokker and Planck distributed this diffusion equation with the condition of extra force field.

我们在第二章叙述了Einstein如何用随机的方法解释布朗运动；在Einstein之后，Fokker和Planck又加上了外加力场的条件来推广这个扩散方程式。

The driven potential controls the particle transfer velocity in the process governed by the diffusion equation , and as a consequence determines the compound nuclear formation probability of DNS .

它制约由输运方程所支配的核子转移速率，因而确定了双核系统形成复合核的几率。

The Green's function in Cartesian geometry can be used to replace the complex Green's function in cylindrical geometry when solving the neutron diffusion equation in cylindrical geometry.

用格林函数节块法求解圆柱几何中子扩散方程时，可用平板几何格林函数代替复杂的圆柱几何格林函数。

This paper is concerned with travelling wave solutions of the delay reaction-diffusion equation.

本文研究时滞反应扩散方程行波解的存在性。

The changes of the HAF after liver injury may be related to the volume of blood loss, the intraabdominal pressure and the pneumoperitoneum duration.

肝撞击伤伴失血后肝动脉血流量的变化与失血量、气腹压力以及气腹持续时间等有密切联系。

Reneging on our commitments to the world's poor cannot be an austerity measure, she said.

放弃我们给世界上的穷国的承诺不能成为一种紧缩措施。