The double logarithmic curve could be divided into four stages-wellbore storage effect reaction stage, fracture reaction stage, vug reaction stage, and boundary reaction stage.
第四段为边界反应阶段,由于忽略基质渗流,故可视为封闭边界,导数曲线上升。
Based on the mathematical model of the single pore electrode, the effective three-phase boundary length of the electrochemical reaction is defined and calculated.
在单孔电极模型基础上定义了电化学反应的有效三相分界线长度概念,并给出了对应的计算方法;
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。
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。
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。
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。
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。
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。
The boundary layer is characterized by a concentration gradient of the oxidized ion. Diffusion of the reducing agent ion through the boundary layer controls the REDOX reaction.
边界层的特征在于被氧化离子的浓度梯度,还原剂离子的扩散通过边界层控制了氧化还原反应。
The results show that oxidizing mechanism of the heater tube is mainly diffusion of metal ion passing through oxide and its reaction at the oxide-gases boundary.
结果表明,炉管的氧化机理主要是金属离子穿过氧化物层的扩散并在氧化物—气体界面发生反应。
To simplify our problem, a stoichiometric formula is derived for boundary layers with mass injection and chemical reaction.
为了简化有质量引射和化学反应的边界层问题,首先求得了一个普适的计量公式。
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。
By comparison with computation results of reference, it is cleared that material parameters, chemical reaction rate constants and boundary conditions affect the species concentration very much.
通过与国外文献计算结果比较可知,物性系数、化学反应速率常数、边界条件处理等对组分浓度影响较大,缺乏这些数据库将会影响计算结果。
It is found that significant radial variations of cracking temperature and cracking reaction rate exist due to boundary layer near the inner wall.
但是管内近壁面处由于存在边界层,始终存在着明显的径向温差;近管壁处始终是裂解的高速率区,副反应也主要发生在管壁区。
This paper studies the blow-up rate for reaction-diffusion systems with nonlinear boundary conditions.
本文考虑带非线性边界条件的反应扩散方程组的爆破速率。
Synantectic phenomenon refers to the growth of a new mineral along the boundary of two neighboring minerals through their reaction.
在两种相邻矿物边界上生长出第三种矿物的现象称为界生。
The singular perturbation of the initial boundary-value problem for a kind weakly coupled reaction-diffusion equation system is discussed.
讨论了一类弱耦合反应扩散方程组的初边值问题的奇摄动。
It was also found that the photochemistry reaction was an important source in boundary layer in daytime and precipitation process could arouse marked change of O3 concentration.
局地光化学生成是白天边界层o3的主要来源;降水天气过程可造成O3及其前体物浓度的显著变化。
The reversible reaction appeared on grain boundary surface quite markedly.
晶界的这种可逆反应十分明显。
It was proposed that the reducing agent of electroless plating solution could have some reducing reaction to the grain boundary of PTC ceramics and thus had influence on PTC effect.
提出了化学镀镍溶液中的还原剂对PT C陶瓷的晶界产生还原从而影响PTC效应的观点。
At last, the low-reaction boundary layer suction compressor concept and its design method is proved by the comparison of the experiment data and numerical results.
通过对实验测量数据与数值结果的对比,验证了低反动度附面层抽吸式压气机概念及其设计方法的可行性。
At last, the low-reaction boundary layer suction compressor concept and its design method is proved by the comparison of the experiment data and numerical results.
通过对实验测量数据与数值结果的对比,验证了低反动度附面层抽吸式压气机概念及其设计方法的可行性。
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