reduced pressure distillation meaning in English
减压蒸馏
减压蒸镏
真空蒸馏
Examples
- In the course of oxidation , reaction temperature should rise step by step , and in the late stage , reduced pressure distillation should follow so that the concertration of glyoxalic acid can rise and production rate of allantoin can rise up to 40 %
在氧化反应的过程中逐步地提高反应温度，反应后期进行减压浓缩，提高了乙醛酸的浓度，缩短了氧化时间，并使尿囊素产率达到40 % 。