化学扩散

等温热重法测量熔融织构YBCO准单晶的化学扩散系数

Determination of chemical diffusion coefficients of the melt textured quasi-single crystalline YBCO powders by means of isothermal TGA

固液界面化学扩散过程与非平衡溶质分配

The Chemical Diffusion and Nonequilibrium Solute Distribution at Solid / Liquid Interface

化学扩散过程中自由边界问题的渐近性及误差估计

Asymptotic Behavior and Error Estimation of a Free Boundary Problem In Chemical Diffusion-Reaction Processes

采用电导弛豫法测定了样品的氧化学扩散系数。

Electrical conductivity relaxation method was used to determine the oxygen chemical diffusion coefficients D ~ .

我们认为在岩浆房中曾经有结晶分异作用、岩浆液态化学扩散作用及岩浆对流作用。

We suggest that crystal fractionation process , chemical diffusion of liquid magma and their convection have occurred in the magma chamber .

传统固体化学扩散理论的研究对象是扩散的原子或原子流，并不关心互扩散区域内微观体积单元的变化，因此无法描述原子扩散流与应力之间的关系。

Traditional theory of chemical diffusion in solid states can not describe the relation of diffusion fluxes and diffusion-induced stresses because the research subject of the traditional theory is the diffusing atom or atomic flux , not the volume unit in the interdiffusion field .

对Si3N4结合的SiC的抗碱蚀机理进行了动力学实验研究.结果表明，其碱蚀过程受化学与扩散混合控制；

Study on the alkali erosion mechanism of Si 3N 4 SiC refractory has been carried out .

目前除了在一般的流体力学问题中得到了成功的应用外，LBM在多孔介质、多相流、化学反应扩散、渗流、粒子悬浮流、磁流体力学等相关领域也得到了比较成功的应用。

Besides having succeeded in simulating normal problems in fluid dynamics , LBM also achieved great success in simulations on porous media , multiphase flow , reactive-diffusive , interstitial flow , granular flow , and relative domain .

一类具耦合的化学反应扩散系统的奇摄动

Singular Perturbation for a Class of Coupled Chemical Reaction and Diffusion Systems

海上危险化学物质扩散模拟研究的进展

Progress in modelling of the transport of hazardous chemical spill at sea

一类化学反应扩散系统解的存在性及渐近性

Asymptotic behavior and existence of the solutions for a chemical reaction diffusion systems

一个具有可测数据的化学反应扩散系统

A Chemical Reaction Diffusion System with Measure Data

不可逆化学反应扩散方程

Irreversible chemical reaction-diffusion equation synthesis of Bepridil

化学反应扩散系统平衡态的稳定性与斑图

Stability of Steady State and Turing Patterns in the Three Kinds of Chemical Reaction Diffusion Systems

研究一类化学反应扩散系统解的整体存在性及长时间解的渐近行为。

This paper studies the asymptotic behavior and the existence of the solutions for a chemical reaction diffusion systems .

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。

To study the chemical reaction diffusion systems , it is important to master the kinetics generality of systems near critical points .

从界面化学和扩散传质角度建立了金属离子的传输动力数值方程，并进行了实验验证。

From the angle of interfacial chemistry and diffusive mass transfer , a numerial equation of transferring dynamics for metal ions was established and its experimental verification was carried out .

本文共分三章，分别讨论了三类化学反应扩散系统平衡态的稳定性与斑图态分歧解的性质。

This thesis is made up of three chapters to investigate the stability of steady state and the properties of pattern formations solutions for three kinds of chemical reaction diffusion systems , respectively .

但如果某种原因导致一种化学物质扩散得比另一种快，它们就会集中在间隔均匀的局部区域，形成黑色和白色的斑点或条纹。

But if something caused one chemical to diffuse , or spread , faster than the other , then each chemical could concentrate in evenly spaced localized spots , together forming black and white spots or stripes .

本文以箱模型理论为基础，结合高斯扩散模型，不考虑湍流影响，建立了演示化学毒气扩散的基本模型，并对基本模型进行实际湍流大气环境下的修正。

A basic model is build based on box model and gauss model without atmospheric turbulence to demonstrate dispersion of heavy gas . Basic model is improved to simulate dispersion of heavy gas in atmosphere with atmospheric turbulence .

浸出过程实际上受化学反应与扩散过程双重控制

The reaction rate was dually controlled by chemical reaction and diffusion process .

理论和实验研究结果表明：高炉喷补料中CO气体侵蚀的碳沉积反应依次由吸附、化学反应和扩散过程控制。

The experiment results and theoretical analysis indicated that the carbon deposition of gunning refractories for blast furnace in pure carbon monoxide was rate-controlled by adsorption , chemical reaction and diffusion process respectively .

采用未反应核模型来研究有菌和无菌发电浸出过程中化学反应和扩散现象、采用SEM研究同时发电浸出中A.实验结果较好地拟合化学反应控制阶段的未反应芯收缩模型。

The unreacted shrinking core model was used for describing the reaction-relative and diffusion-relative phenomena presented in the process of the electro-generative leaching with and without bacteria , which is considered to be diffusion control . SEM was used to study the effect of A.

结果表明，反应过程受混合动力学模型控制，反应物的浓度影响化学反应和扩散过程的速度，该模型为该浸析反应的活化能约为18.6kJ／mol。

The result showed that , the process was controlled by mixed kinetics model , and the reaction and diffusion rates were affected by reactants concentrations . The model was The calculated activation energy for leaching was 18.6 kJ / mol.

二元化学反应&扩散系统的反应流

Reaction flow of binary chemical reaction - diffusion system

大气臭氧层动力学系统中化学与动力扩散耦合过程的研究

A Study on Coupling Process of Chemicals and Dynamic Dispersion in the Ozonosphere System

考虑复杂化学反应的扩散火焰的数值分析

Predictions of a diffusion flame with complex chemistry

空间展布体系中由化学反应-扩散-热传导耦合导致的温度场对称破缺

Symmetry Breaking of Temperature Field in Spatially Distributed Systems Induced by Chemical Reaction-Diffusion-Heat Conduction Couplings

化学反应和扩散引起的沿垂直平板层流自然对流的相似性解

Similarity solution for laminar natural convection flow along a vertical flat plate caused by chemical diffusion and reaction

刀具的磨损机理主要是机械磨粒磨料磨损、严重的黏结磨损、化学磨损以及扩散磨损。

The wear mechanism are mainly abrasive wear , severe felt wear , chemical wear and diffusion wear .