扩散
- 与 扩散 相关的网络例句 [注：此内容来源于网络，仅供参考]
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The derived activation energies for both grain-boundary and surface diffusion are obtained from the Cu drift velocity under EM stressing.
对於线宽大於1微米时，主要的晶粒边界扩散的活化能大约比起表面和晶粒边界扩散的活化能高0.2 eV。
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The soret effect and Dufour effect on the convective diffusion of VOCs in indoor surroundings was specially investigated.
并采用数值方法研究了室内环境中同时存在温度梯度、湿度梯度和VOCs浓度梯度时的自然对流传热传质现象，着重分析了考虑交叉扩散效应时热瑞利数和浮力比数等对室内VOCs对流扩散的影响。
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Finally, the existence, uniqueness and convergence of solution to the original reaction diffussion system are obtained by the properties of heat conduction equation.
借助于热传导方程与反应扩散方程组的同解性，最终得到了反应扩散方程组解的存在性、惟一性以及收敛性。
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The comparison between experimetal and calculated results indicated that the simulation model and equilibrium phase diagram calculation can exactly describe the elements distribution law and predict microstructure variation near interface.
计算结果表明：该模拟方法能够准确描述热等静压扩散焊接过程中的元素浓度分布规律，同时能够预测扩散反应层内的微观组织变化。
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The correction factor can be expressed in several equivalent forms: matrix tensor, velocity spreading factor and geometrical spreading factor.
该校正因子有几种等价的描述形式：度规量、速度扩散因子和几何扩散因子。
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The effect of methanol concentration on the etherification was discussed.
在消除内扩散和外扩散的情况下，考察了甲醇浓度对醚化反应速率的影响。
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These accidents will harm the people's life and property safety. After gas has leaked, it will diffuse along the earth's surface with the effect of exterior wind power and interior thickness grads.
由于气体本身存在的扩散性，发生泄漏之后，在外部风力和内部浓度梯度的作用下，气体会沿地表面扩散，在事故现场形成毒害或燃烧爆炸危险区，扩大危害区域。
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The labor force in the tertiary industry disperses from urban core to its edge area within a distance of 15 km; oppositely it has a centralizing trend to inner city out of a distance of 15 km, especially in exurban area.
第二、三产业从业劳动力的分布变动互不相同：第二产业主要表现为由中心城区向郊区扩散的较大范围的单向均衡化变动；第三产业从业劳动力空间分布的变动则相对更向中心城区集聚，表现为在距离市中心15km圈内由都心区向其边缘区扩散、15km圈以外地区特别是远郊区则反呈趋向中心城区的集中化变动。
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Our results showed that Fick's second law can successfully explain the variations of threshold voltage.
不论是在有无偏压实验条件下，气体扩散模型可以成功解释氨在五苯环薄膜中的扩散行为。
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According to the tentative reaction equation from single molecular reaction theory and the second and the frist Fike's laws,the expression of the weight percentage and the diffusing thickness,was derived.
基于单分子反应理论假设反应模型，结合菲克第二、第一定律，得到质量分数与扩散厚度的关系式，以此研究了范围内液态锡与铁反应过程中锡的扩散厚度。
- 推荐网络例句
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Do you know, i need you to come back
你知道吗，我需要你回来
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Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.
1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。
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Chapter Three: Type classification of DE structure in Sino-Tibetan languages.
第三章汉藏语&的&字结构的类型划分。