研究了UPANA-1复合超滤膜分离性能，以及压力、时间、进样浓度等操作条件对UPANA-1膜性能的影响。
Separation performance of UPANA-1 membrane and effects of such operating conditions as pressure, time, concentration of solution, etc. on the performance of membrane were studied.
本文还研究了精馏的一些操作条件对1，2-丙二醇精制过程的影响（塔顶压力、回流比等）。
The distillation conditions including overhead pressure, reflux ratio for the recovery of 1,2- propylene glycol were studied.
本文采用不同的分析方法分析、研究了气固流化床中不同操作条件下的空隙率时间序列和颗粒碰撞压力时间序列。
The time series of voidage and particle colliding force at different operation conditions is analyzed and researched by statistic method-. power spectrum and chaos theory in this papers.
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