Column efficiency of new VST was then studied with ethanol-water system and was compared with that of sieve tray.
在此基础上，又用乙醇-水系统在常压下测定了该塔的塔板效率并与筛板塔进行了对比。
The yield for ethanol-water system was 75%, and that for isopropanol-water system could reach 80%.
乙醇-水体系收率可达75%，异丙醇-水体系收率可达80%。
A convective turbulence system with a liquid medium (water or ethanol) that can be used for simulation tubulent atmospher for wavefront distortion compensation is described.
描述一种用于波前补偿实验的对流湍流系统。
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