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The critical rate of gas flow from bubble flow to slug flow is an important factor.
泡状流向段塞流转化的临界气体流量是一个非常重要的参数。
In this paper a technology of parametric pumping fractional crystallization and a crystallizer with a slug flow vertical bubble tube are presented.
本文采用参数泵分步结晶新工艺和开发的直立弹状气泡管结晶器提纯制取精萘，则克服了通常方法的缺点。
In the dissertation, VOF numerical method was used to study the gas bubble and gas slug break-up process in vertical entrance microchannel.
本文利用VOF数值方法，研究了垂直入口型微通道内气泡、气塞的生成过程。
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