其连接机理为烧结过程中母材与连接材料间的扩散反应，以及界面处颗粒间的相互镶嵌。
The joining mechanism were diffuse reaction between matrix and joined materials and particles inlaying each other in the joint.
引入指数函数，将对流扩散方程变换为扩散反应方程，消除了数值求解中较难处理的对流项。
To eliminate the difficulty in dealing with convection terms, an exponential transformation function is introduced to turn the CDE into their equivalent diffusion-reaction equations (DRE).
这些药物也有一定的抑制人体自身抑制癌症生长免疫反应，使癌细胞更容易扩散。
They also partly suppress the body's own immune reaction to any cancer growths, making the cancer more prone to spread.
当地时间上午11点的全国电视讲话中，首相菅直人称放射物质已从反应堆向外扩散并呼吁国人保持冷静。
In a televised address to the nation at 11 a.m. local time, Prime Minister Naoto Kan pleaded for calm as he announced that radiation had spread from the reactors.
情况变得一团混乱，警察冲进此刻已经被围得水泄不通的拳击台，试图恢复秩序，可混乱如发生连锁反应一样，向酒店大厅，接着向外面的街道扩散而去。
All hell broke loose, the police came into a by-now crowded ring to try and restore order and like a ripple effect the bedlam moved to the hotel lobby and then the streets outside.
此外，尽管巴基斯坦没有签署《核不扩散条约》，中国还为同一地点的另外两个反应堆提供资助。
China is also helping to finance two more nuclear reactors at the same site, even though Pakistan has not signed the nuclear Non-Proliferation treaty.
如果这是真的，那这的确是一周以来反应堆冷却以及阻止核物质扩散的工作中获得的好消息。
If true, the announcement is one piece of good news in a week-long struggle to cool the fuel in the reactors and block the emanating radiation.
有些国家正在清除其存储的可用于制造核武的高浓缩铀和钚，有些国家正在降低核反应堆扩散的风险，还有一些国家将在会议上签署协议并支持国际原子能机构的工作。
Some are getting rid of their stocks of highly enriched uranium or plutonium, both used in bombs. Others are lowering the risk of proliferation from reactors.
这些是用来模拟心脏细胞内部的化学反应以及他们的膜电压扩散。
These are used to simulate the internal chemical reactions of a cardiac cell and the diffusion of their membrane voltages.
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。
The existence of the equilibrium point and global exponential stability of distributed delays neural networks with reaction-diffusion terms are investigated in this paper.
指出陶瓷刀具材料切削磨损时的基本机理仍然是磨料磨损、粘结磨损、化学反应与扩散磨损。
It is finally pointed out that the main wear mechanisms of the ceramic tool materials are still abrasive, adhesive, chemical reaction and dispersion wear.
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.
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 definition and characteristics of the reaction and diffusion process were proven depended on infinitesimal operators.
试验结果表明，纯氧化物的氯化过程受化学反应控制，钛铁矿氯化受灰层扩散控制。
It was resulted that the chlorination process of simple oxide is under chemical reaction control, while that of ilmenite is dependent on the ash layer diffusion.
氧化控速过程为“界面反应和扩散混合控制过程”。
The oxidation control factor is "the mixed control of interface reaction and diffusion".
研究了具有摄动边界的非线性反应扩散方程的问题。
A nonlinear problem for reaction diffusion equation with a perturbed boundary is considered.
广义条件对称；精确解；非线性反应扩散方程；对称群。
The generalized conditional symmetry; Exact solutions; The nonlinear reaction diffusion equations; symmetry group.
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。
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.
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 reaction diffusion equation initial boundary value problem with a curve of turning point is discussed.
在CVD过程中，存在着大的温度差和浓度差，将引发自然对流和浓度扩散，它们又与气体的强迫流动以及反应器的几何尺寸和形状相互影响。
Large temperature and concentration differences taking place in CVD process lead to natural convection and concentration diffusion which interact with forced convection and complex reactor geometries.
讨论了一类具有超抛物型方程的反应扩散问题。
The reaction diffusion problems with ultra parabolic equations are considered.
利用计算机编程绘制出内扩散对连续反应选择性的影响图。
Using computer programme, the effect element figure of inner diffusion on selectivity of consecutive reaction is drawn.
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.
金属间化合物的形成过程是扩散和反应的过程。
The intermetallics formation is a process involving diffusion and reaction steps.
研究了具有非线性反应扩散方程奇摄动内层问题。
The nonlinear singularly perturbed interior layer problems of the reaction diffusion equations were considered.
作为单颗粒催化剂上反应-扩散过程通用模拟软件开发的基础，该模型明显优于其他常规模型。
As the foundation for developing general software simulating the diffusion - reaction processes involved over a pellet of catalyst, this model has obvious advantage over others used usually.
提出采用特征成核时间和特征扩散时间，判定反应沉淀过程的成核控制因素。
Characteristic nucleation time and characteristic diffusion time were employed to judge the controlling factor of the nucleation process.
一定浓度的气体通过固体颗粒层扩散-反应时，其扩散深度的平方与扩散时间的比值为常数。
The ratio of the square of certain concentration gas diffusion depth and diffusion time is constant when it diffuses and reacts through the solids bed.
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。
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。
In the paper, we present some two-grid methods for solving two-dimensional reaction-diffusion using expanded mixed finite element method.
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