1) evaporation-recrystallization
蒸发-重结晶
3) evaporation and crystallization
蒸发结晶
1.
The evaporation and crystallization is the key procedure in the preparation of caustic soda, aiming at the removal of NaCl and increasing the concentration of NaOH solution.
隔膜电解法是我国主要烧碱制备方法之一,蒸发结晶系统是以去除电解液中氯化钠等杂质和提高烧碱浓度为主要目的的制烧碱关键工序。
4) evaporation-crystallization
蒸发-结晶
1.
Mechanisms controlling water chemistry of lake and river water from Nam Lake are illustrated,it is indicated that lake water is mainly controlled by evaporation-crystallization effect,while river water is mainly influenced by rock weathering function.
从水化学的控制影响因素来看,纳木错湖水主要受蒸发-结晶作用控制,而河水则主要受岩石风化作用影响,其中碳酸盐和硅酸盐的风化影响最为重要,其次是部分蒸发岩的溶解,而区域内湖水蒸发与大气海盐传输也有一定的贡献。
5) evaporative crystallization
蒸发结晶
1.
The influence law of mass transfer in forced inner circulation evaporative crystallization system is studied.
对隔膜法制烧碱中强制内循环蒸发结晶系统中传质的影响规律进行了深入研究,根据扩散理论和Frossling方程,建立了传质影响规律的数学模型,并将宏观可控参数与微观结晶粒度相结合,建立了物料流速影响无机盐结晶晶体粒度尺寸的数学模型。
6) evaporation crystallization
蒸发结晶
1.
However, too higher of the heat transfer ΔT will cause unstable evaporation crystallization,even cause plant shutdown, and make things reverse.
蒸发结晶是化工生产中常见的单元操作，在其加热过程中，较高的传热温差对于强化传热效率、提高设备能力极为有利。
2.
In evaporation crystallization process,liquid temperature raising rate and evaporation quantity are coupled and difficult to control.
针对蒸发结晶生产过程中存在的液相温升速率和蒸发量耦合性较强、控制难度大的问题,设计开发了一个多变量自校正分级模糊控制器。
3.
In order to get better products, the evaporation crystallization process of ammonium sulfate solution made by coke oven gas absorption was studied systematically both in experiment and theory.
本文针对硫酸铵产品所存在的问题,对焦炉气吸收制得的硫酸铵溶液的蒸发结晶工艺进行了研究和优化。
补充资料：重结晶(重ｃｈóｎｇ)
先用溶剂(或不用溶剂)溶解(或熔解)晶体，再将晶体从溶液(或熔体)中结晶出来的一种过程。主要用以提纯物质。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条