A modified free - volume diffusion model for binary aqueous mixtures in pervaporation was developed on the basis of free -volume diffusion theory.
在自由体积扩散理论的基础上，提出了渗透蒸发过程中二元水溶液在聚合物膜中扩散的修正自由体积模型。
The experimental results show that the growth mechanism of the KTP crystal coincides with the linear law and the law of the parabola of surface or volume diffusion of the BCF atomic growth theory.
实验结果表明，KTP晶体生长机制与原子化的BCF生长理论的面扩散或体扩散的线性定律与抛物线定律相吻合。
In the model, the finite volume method discrete of power function is adopted for the hydrodynamic and silt diffusion equations.
模型中水动力方程和泥沙扩散方程均采用幂函数方案的有限体积法离散。
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