This paper studied and established the mathematical model for bubble growth in polymer during microcellular foaming, for controlling the cells size and their distribution.

研究、建立了聚合物微孔发泡过程中的气泡成长数学模型，以控制发泡过程中的泡孔尺寸大小和尺寸分布。

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A more detailed multi fluid model was developed with the gas phase divided into several groups according to bubble size to describe bubbly flow in a vertical pipe.

根据气泡的尺寸划分气相，采用时间平均法建立了描述垂直管道内层流泡状流运动的多流体模型。

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A mathematic model of foam fractionation was set up based on the following assumptions: adsorption equilibrium, same bubble size and regular dodecahedron model of real bubbles.

前言：假设吸附过程始终处于平衡态、气泡大小均一以及每一个气泡均为正十二面体，构建了泡沫分离过程的数学模型。

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