diffusion film coefficient的意思|示意

The mass transfer equation was introduced into heat transfer model of falling film evaporation. The radial velocity, mass diffusion coefficient and variation of film thickness were taken into account.

将传质方程引入到垂直管降膜蒸发传热模型中，求解时考虑了径向速度、质量扩散系数和膜厚变化对传热的影响。

Measuring method of reactant diffusion coefficient in polymer film was introduced. This would provide potent guidance for researching reaction mechanism.

介绍了反应物在聚合物膜中扩散系数的测定方法。对于聚合物修饰电极上反应机理的研究提供了有力的指导。