蒸汽冷凝传热中，不凝气的存在严重恶化其传热过程。
Study on dropwise condensation heat transfer on composite electroplating surface;
应用膜分离技术，回收聚丙烯装置排空不凝气中的丙烯，回收率在85%以上。
Propylene recovery at a rate above 85% from the non-condensable gas released from polypropylene plant was carried out with membrane separation technique.
介绍了应用膜分离技术从聚丙烯尾气回收装置释放的不凝气中回收丙烯的情况。
The membrane separation technology is applied to recycle the propylene from the uncondensative gas released from the recovery unit of polypropylene tail gas.
另一方面，对燃气系统实行自动控制，使尾气中不凝气和催化干气得到充分利用。
On the other hand, the non-condensing gas and catalytic dry gas in tail gas is fully utilized based on auto controlling the burning system.
为查明不凝气体对水平管外膜状凝结换热特性的影响规律，建立了水平单管的气、液双边界层模型。
Film condensation heat transfer characteristics are studied by numerical simulation for a single horizontal tube in the presence of a non condensable gas.
该模型考虑了气、液膜之间的质量连续及能量连续特征。 对于不同的壁面过冷度，用数值方法首次求解并分析了边界层内局部不凝气体质量分数、温度和速度的分布规律。
The vapor liquid two boundary layer model is applied to predict local mass concentration of the non condensable gas, temperature profiles and velocity profiles in the boundary layer.
该模型考虑了气、液膜之间的质量连续及能量连续特征。 对于不同的壁面过冷度，用数值方法首次求解并分析了边界层内局部不凝气体质量分数、温度和速度的分布规律。
The vapor liquid two boundary layer model is applied to predict local mass concentration of the non condensable gas, temperature profiles and velocity profiles in the boundary layer.
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