原子扩散系数
- 网络Diffusion coefficient
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采用真空熔烧法制备了钴基合金-碳化钨复合纳米材料涂层,利用电子探针测得了界面两侧元素的浓度分布,结合扩散动力学计算出各合金元素的原子扩散系数。
The diffusion coeffcient of every component is calculated combining the concentration distribution measured by the electrical probe in diffusion dynamic .
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在整个ZnO吸附生长过程中,O原子的扩散系数大于Zn原子的扩散系数,O原子的层间扩散对薄膜的均匀生长起着重要作用。
In the whole process of the adsorption and growth of ZnO , the diffusivity of O atoms is higher than that of Zn , and the interlayer diffusion has an important role in the homogeneous growth of the thin films .
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一种确定空位&溶质原子复合体扩散系数的方法
Approach to determine diffusion coefficient of void solute atom complex
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平面铂电极上吸附氢原子表面扩散系数的测定
Determination of the Surface Diffusion Coefficient of Hydrogen Atom on a Platinum Plane
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在组元摩尔比相同的情况下,无定形体系的组元种类越多,原子自扩散系数越小,高温下越不易发生晶化,因此热稳定性好。
Principally , the lager number of components in the system will result in the smaller atomic self-diffusion coefficients if the Moore ratio of them is constant . Thus , the phase transformation is difficult to happen at high temperatures . The thermal stability is good .
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铁镍合金中硼原子-空位复合体扩散系数的计算
Calculation of Diffusion Coefficients of Boron Atom-Vacancy Complexes in Fe-40 % Ni Alloy
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关于碳氮原子在钢中扩散系数求解方法的研究
A Study of the Calculating Methods of Carbon and Nitrogen Atom ′ s Diffusion Coefficients in Steel
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根据非均匀体系的非线性动力学离散模型推导出与局部原子浓度强相关的原子扩散系数,引入扩散非对称性系数m′和有序能V参数描述非均匀体系的扩散。
The diffusion coefficients of atoms which strongly dependent on their local concentration are given in the nonlinear kinetic discrete model for diffusion in nonuniform system , and the diffusion asymmetry coefficient m ' and the ordering energy V are introduced to describe the diffusion in nonuniform system .
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分析认为强磁场的存在加快了原子的运动,提高了原子的扩散系数,从而加快了界面金属间化合物层的生长速度。
It is assumed that the high magnetic field accelerates the movement of atoms , improves the diffusion coefficient and thus enhances the growth rate of IMC layer .