The diffusion coefficient, diffusion activation energy and equilibrium moisture content were obtained.
测定了扩散系数、扩散活化能和平衡湿含量。
Reaction rate constant, effective diffusivity, apparent activation energy, effective diffusion activation energy and resistance in various steps of the reaction process were analyzed in this paper.
并对反应速率常数和有效扩散系数、表观反应活化能和有效扩散活化能及反应过程中各步骤阻力进行了分析。
The mechanism of elementary redistrib utionand annealing embrittlement during relaxation Was discussed on the viewpoint ofthe activation energy of atomic diffusion in Ni-P amorphous being variables.
本文从非晶中原子扩散激活能可变化的观点出发，对弛豫过程中元素再分布和脆化机制进行了讨论。
Based on the concept of activation energy and microwave absorption power density, the formula of diffusion coefficient due to the effect of microwaves is derived.
利用活化能的概念和微波吸收功率密度表达式得到微波作用下的扩散系数表达式。
The calculating results of activation energy show that the diffusibility of nanometer Ni is better than Ni foil in diffusion layer at joints.
通过计算接头处扩散层的激活能可知纳米镍的扩散性能比镍箔的好。
Combined with the theory of viscosity, the relationship between diffusion coefficient and activation energy is expressed.
结合粘度理论建立了分子扩散系数与活化能之间的关系；
The existence of the step distinctly changes the activation energy of surface diffusion.
由势能面确定了最低能量表面扩散途径。
The existence of the step distinctly changes the activation energy of surface diffusion.
由势能面确定了最低能量表面扩散途径。
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