Calculation of Solvent Self diffusion Coefficient in Polymer Solution by Percolation Theory

A molecular dynamics study of self diffusion on ag ( 100) surface

用分子动力学方法研究Ag（001）表面吸附原子的自扩散现象

The Microsegregation Mathematical Model for Binary Alloy Based on Coarsening and Back-diffusion

基于枝晶粗化和反向扩散的二元合金微观偏析数学模型

Conclusion: The phospholipids form the constructure with or without binding the other component such as mucin, and resist the back diffusion of H+ from gastric lumina, ie the gastric mucous barrier.

结论：磷脂在胃粘液层中与粘蛋白等其他成分一起或单独形成结构，阻碍胃腔内H＋逆弥散，构成胃粘液屏障作用。

The liquidus and solidus in the mushy zone was calculated based on back diffusion and a database for multi-component steel with the thermal-physical parameters depended on composition, temperature and solid fraction.

该模型根据糊状区溶质传输和反扩散理论，基于变热物性参数，采用钢中多组元成分的百分含量计算液、固相线温度。

The main kinetic effects that can influence microsegregation were accounted for in the modeling including secondary arm coarsening, solid-state back diffusion, primary tip undercooling and variable diffusion coefficients according to temperature.

在显微偏析模型中考虑了树枝晶粗化、固相溶质逆扩散、枝晶尖端过冷、随温度变化的溶质扩散系数等影响显微偏析形成的动力学因素。

Results from the model show that at high current densities back diffusion of water from the cathode side of the membrane is insufficient to keep the membrane hydrated.

模型研究表明，在高电流密度下从膜阴极侧扩散回的水不足以使膜湿润。

Studying of Helium mass-spectrometer leak detector with back diffusion

逆扩散型氦质谱检漏仪的研究

At the same time electro-osmotic drag, back diffusion, hydraulic permeation and net water transport coefficients and water content in the membrane increased rapidly, while proton transport resistance decreased, which improved the performance of PEM fuel cells.

增大电池的操作压力，电渗拉力系数、反扩散系数、水力渗透系数、水净迁移系数和质子膜的含水量增加，而质子传递阻力下降，使燃料电池的性能得到了提高。

A study on horizontal eddy diffusion in the surface water of the northeastern South China Sea Based on~ ( 228) ra tracer

南海东北部表层水体水平涡动扩散的~（228）Ra示踪研究

It has been analysed that liquid flow pattern and liquid crosswise eddy diffusion influence on efficiency of bubble tray.

本文分析了液相流动形态及液相横向扩散对鼓泡型塔板板效率的影响。

This cause serious pollution problems because mass is transferred less rapidly by molecular diffusion than by eddy diffusion.

这些引起了严重的污染问题，因为通过分子扩散的传质比涡流扩散的要慢。

In general, however, there is a big limitation on growth of productive forces and economy by a technological innovation itself. Only with technological innovation diffusion, the potential economic benefits would be maximized.

然而，一项技术创新本身对社会经济的影响和社会生产力的提高存在一定的局限性，只有借助于扩散，技术创新的经济效益才能最大限度地发挥出来。

The results show that the value of diffusion and absorption potential ( E da) increases when the ratio of formation water salinity to mud salinity ( C w/ C m) increases.

结果表明：（1）扩散吸附电位Eda随地层水矿化度与泥浆滤液矿化度比值（Cw/Cm）的增大而增大。

The Effect of the Neutron Skin and the Neutron Distribution Diffusion on Nuclear Potential

中子皮及中子分布弥散度对核势的影响

Only by way of diffusion its potential economic benefit can be realized to enhance economic system evolution and upgrading.

但是一项技术创新本身，对经济的影响和社会生产力的提高是有限的，只有通过扩散才能充分发挥其潜在的经济效益，从而促进技术经济系统进化和高级化。

The calculated results by this model agreed well with chloride profile obtained from concrete samples in situ. With finite element method, influences of binding, diffusion potential and capillary action on chloride transport were conducted.

采用有限元方法等分析了结合作用、扩散电场以及毛细作用对氯离子运移过程的影响。

ET was equal to the difference between the open-circuit potential of the occluded cell and the diffusion potential of the occluded solution into the bulk.

E T在数值上等于闭塞区开路电位与内外溶液间扩散电位之差。

This potential consists of the Donnan potential on two sides and diffusion potential in membrane phase.

该电位包括膜两侧的Donnan电位和膜相中的扩散电位。

Turbulent energy is transported by convection, turbulent diffusion and pressure diffusion.

湍能主要是通过对流、湍流扩散和压力扩散进行输运；

The Intelligent Diffusion Silicon Pressure Transmitter Based on HART Protocol

基于HART协议的智能扩散硅压力变送器