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distillation process control system
精馏过程控制系统
在保证产品质量合格的前提下,回收率最高和能耗最低,或使塔的总收益最大,或总成本最小的控制系统。利用混合物中各组分具有不同的挥发度,使液相中的轻组分转移到气相中,而气相中的重组分转移到液相中,从而实现混合物分离,达到规定的纯度。
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water level forecasting
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water level inscription in ancient China
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water-logged compost
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Waterloo Bridge
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