The influence to operation of different fluid quantity, concentration and reflex ratio is analyzed. A method of regulation adopted by the authors is put forward.
对精馏过程中不同的进料量，进料浓度、回流比对操作的影响进行了分析讨论，并提出了所采取的调节方法。
Consumption ratio and its change is a key aggregate index, which reflex the state of national economy.
消费率及其变动是反映国民经济运行状况的重要宏观经济指标。
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