The principles of the vacuum crystallization, types and selection of crystallizers were given. Comparison of the above two methods we…
本文介绍了真空结晶法的原理，以及真空结晶器的类型和选型，并比较了这两种结晶法。
Widely used in chemical, food, building materials and other departments, especially in a vacuum crystallization, drying, filtration, evaporation and other processes more appropriate.
广泛应用于化工，食品，建材等部门，特别是在真空结晶，干燥，过滤，蒸发等工艺过程中更为适宜。
Widely used in chemical industry, food, building materials, and other departments, especially in a vacuum crystallization, drying, filtration, evaporation and other processes in the more appropriate.
广泛应用于化工，食品，建材等部门，特别是在真空结晶，干燥，过滤，蒸发等工艺过程中更为适宜。
Ammonia and sulfuric acid (SO3) in and the reaction liquid after vacuum evaporation, concentration, crystallization, and then to liquid-solid separation processes obtained dry product.
氨水与硫酸(SO3)进行中和反应，反应液经过真空蒸发、浓缩、结晶，再进行液固分离、干燥等工序制得产品。
Models and technical features of synthetic fiber, crystallization vacuum liquid, emulsion liquid, ore and other suspended liquid under 100 mesh.
100目以下物料溶液合成纤维、结晶真空液、乳油液甘薯片、矿砂等悬浮液型号和技术特性。
Such as: vacuum distillation, evaporation, dehydration, crystallization, drying and other processes.
如：真空蒸馏、蒸发、脱水、结晶、干燥等工艺过程中。
Meanwhile the refining process was improved, using crystallization from petroleum-benzene instead of high vacuum distillation. The process was simplified for the benefit of industry production.
同时改进了精制工艺，用石油醚-苯进行结晶代替高真空蒸馏，简化了工艺，有利于工业化生产。
The new separation technology of the high-purity anethole from star anise oil was studied, especially on the optimum separation conditions of freezing crystallization and vacuum rectification.
研究了从八角茴油中分离高纯度茴脑的生产工艺，探讨了冷冻结晶及精馏操作的最佳工艺条件。
The combined vacuum distillation and melt crystallization technology was used to purify DDHI from artificial musk.
通过减压精馏熔融结晶耦合技术研究提高人造麝香（DDHI）含量的原理和工艺流程。
The combined vacuum distillation and melt crystallization technology was used to purify DDHI from artificial musk.
通过减压精馏熔融结晶耦合技术研究提高人造麝香（DDHI）含量的原理和工艺流程。
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