The reaction diffusion problems with ultra parabolic equations are considered.
讨论了一类具有超抛物型方程的反应扩散问题。
A nonlinear problem for reaction diffusion equation with a perturbed boundary is considered.
研究了具有摄动边界的非线性反应扩散方程的问题。
So it is worthy of analysis the qualitative properties of reaction diffusion system and periodic system.
对具有反应扩散及周期运动的神经网络的定性性质的分析具有广泛的理论和应用价值。
The nonlinear singularly perturbed interior layer problems of the reaction diffusion equations were considered.
研究了具有非线性反应扩散方程奇摄动内层问题。
The generalized conditional symmetry; Exact solutions; The nonlinear reaction diffusion equations; symmetry group.
广义条件对称；精确解；非线性反应扩散方程；对称群。
By using the monotone method, a periodic reaction diffusion system of a competitor-com - petitor-mutualist is investigated.
利用单调方法讨论了一类含时滞及周期系数的反应扩散系统的竞争-竞争-互惠模型。
To study the chemical reaction diffusion systems, it is important to master the kinetics generality of systems near critical points.
研究这类化学反应扩散系统，重要的是抓住系统在临界点附近动力学行为的共性。
A class of singularly perturbed initial boundary value problems for reaction diffusion equations in a part of domain are considered.
本文是讨论一类在局部区域上的奇摄动反应扩散初始边值问题。
A class of singularly perturbed initial boundary value problems for reaction diffusion equations in a part of domain are considered.
讨论一类在部分区域上的奇摄动反应扩散方程初始边值问题。
A class of singularly perturbed reaction diffusion equation initial boundary value problem with a curve of turning point is discussed.
讨论了一类具有转向点曲线的奇摄动反应扩散方程初始边值问题。
In the chapter 2, we find the separation of variables solutions for nonlinear reaction diffusion equation (2.4) by utilizing the group foliation method.
在第二章中我们主要利用群分支法来求解非线性扩散方程(2.4)的分离变量解。
In the chapter there of this paper, we consider the uniqueness and the existence of solutions of the following reaction diffusion system with nonlocal boundary conditions.
本文第三章讨论的是如下非局部边界条件的反应扩散系统解的存在性和唯一性。
The average component of the alloy can be evaluated as well as the inhomogeneity using this measure. It is indicated that the degree of the reaction diffusion among powders.
此方法能够表征合金材料的平均成分状况，对具有不均匀成分的合金进行评估，能够更全面准确的反映粉末反应过程中的原子反应扩散程度。
Symmetry breaking of temperature field in spatially distributed pure dissipative systems induced by chemical reaction diffusion heat conduction couplings is analyzed in this paper.
分析了由于化学反应-扩散-热传导耦合而导致的非等温非均匀体系中温度场对称破缺。
The AGAR diffusion and quantitative precipitin reaction show that the antigenicity of BSA decreases considerably after NBS treatment.
琼脂扩散及免疫定量实验结果显示NBS处理后bsa的抗原性减弱。
The definition and characteristics of the reaction and diffusion process were proven depended on infinitesimal operators.
而反应扩散过程的定义和性质也依赖于其无穷小算子的性质。
The oxidation control factor is "the mixed control of interface reaction and diffusion".
氧化控速过程为“界面反应和扩散混合控制过程”。
The present paper studied the global existence of nonnegative solutions of one-dimensional Newtonian filtration equation with more general boundary fluxes term, reaction, diffusion and convection.
讨论具有一般形式的对流项、扩散项、边界流项以及反应项的一维牛顿渗流方程初边值问题非负解的整体存在性。
The existence of the equilibrium point and global exponential stability of distributed delays neural networks with reaction-diffusion terms are investigated in this paper.
摘要研究了具反应扩散有限连续分布细胞神经网络的平衡点的存在性及全局指数稳定性问题。
Turing showed that under specific conditions of chemical reaction and diffusion, the homogeneous distribution becomes dynamically unstable and a different stable pattern emerges.
图灵向人们展示，在化学作用和均化的明确条件下，同质分布会变得活跃而不稳定，一个不同的稳定格局会出现。
Therefore a dislocation system is a reaction-diffusion system.
因此，位错系统是一个反应-扩散系统。
Many models in various field of applications, such as biology, ecology and biochemistry, can be described by nonlinear reaction-diffusion equations with time delays.
生物学、生态学、生物化学等应用领域中的许多模型都可以用非线性时滞反应扩散方程来描述。
In the paper, we present some two-grid methods for solving two-dimensional reaction-diffusion using expanded mixed finite element method.
在本文中我们提供了几种解决两维反应扩散方程的扩张混合有限元的两层网格方法。
This paper proves the existence and stability of global bounded generalized solutions of initial boundary value problems for a kind of reaction-diffusion systems.
本文证明了一类反应扩散方程组初边值问题整体有界广义解的存在性和唯一性。
The necessary and sufficient conditions are discussed on the existence of global solutions for quasilinear reaction-diffusion systems with nonlinear boundary conditions.
讨论一类带有非线性边界条件的拟线性反应扩散方程组，给出了解整体存在的充分必要条件。
The ordered structures forming in two-dimensional space for another class of the reaction-diffusion systems are studied under the fixed boundary condition.
对另一类反应扩散系统，在固定边界条件下，在二维空间所形成的有序结构进行了研究。
The ordered structures forming in two-dimensional space for another class of the reaction-diffusion systems are studied under the fixed boundary condition.
对另一类反应扩散系统，在固定边界条件下，在二维空间所形成的有序结构进行了研究。
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