在理论情况下，如果汽液两相接触良好，且时间够长，离开第n板的汽液两相可能达到平衡状态，平衡温度为Tn，汽相组成为Yn与液相组成Xn为平衡关系。这种使汽液两相达到平衡状态的塔板称为一块理论板。
理论板数 number of theoretical plate ; Plates ; Number of stages ; theoretical plate number
最小理论板数 minimum number of theoretical plates ; minimum number of theoretical plate
理论板当量高度 HETP
理论塔板 [化工] theoretical plate ; theoretical tray ; Ideal plate ; perfect plate
理论板和板效率 Ideal plate and plate efficiency
理论板的概念 Concept of ideal plate
最少理论板数 Minimum number of plate
相当理论板数 equivalent theoretical number of plate
释义理论板高度 height equivalent theoretical plate
等理论板高度 height equivalent to a theoretical plate
理论板数按葛根素峰计算是1634；
The number of theoretical plates calculated for puerarin peak was 1634;
对半水煤气洗气塔进水量、理论板数较全面进行了计算分析及比较。
This article makes an overall calculation, analysis and comparison for water feed and theoretical tray number of half-water gas scrubber.
结果：异丙托溴铵和盐酸克仑特罗的理论板数分别为2400和3500。
Results:The number of theoretical plates of ipratropine and clenbuterol hydro- chloride was 2400 and 3500 respectively.
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