作业帮请高手帮我翻译下这段文献吧!谢谢了!在线等……However, if a high degree of concentration is needed, it is advisable to use more than one smaller unit in series instead of a large one. Under these conditions, the vaporand the soluti
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请高手帮我翻译下这段文献吧!谢谢了!在线等……However, if a high degree of concentration is needed, it is advisable to use more than one smaller unit in series instead of a large one. Under these conditions, the vaporand the soluti
请高手帮我翻译下这段文献吧!谢谢了!在线等……
However, if a high degree of concentration is needed, it is advisable to use more than one smaller unit in series instead of a large one. Under these conditions, the vapor
and the solution leaving the first unit are, respectively, the heating medium and the process stream for the second one. For a suitable driving force to exist in the second
unit, the solution boiling point has to be reduced, and this is accomplished by reducing the pressure in the evaporation chamber. In this way, a train of evaporators of decreasing pressure in the direction of the heating vapor is obtained.
请高手帮我翻译下这段文献吧!谢谢了!在线等……However, if a high degree of concentration is needed, it is advisable to use more than one smaller unit in series instead of a large one. Under these conditions, the vaporand the soluti
但是,如果需要高浓度,则建议使用一系列（一个以上）较小的装置,而不是单个大型装置.在这种情况下,第一个装置中的蒸汽和溶液分别用作第二个装置的加热介质和工艺流.为了第二个装置获得合适的牵引力,则必须通过降低蒸发室内的压力来降低溶液沸点.这样,一系列用于降低加热蒸汽方向上之压力的蒸发器就诞生了.