reduced pressure distillation 减压蒸镏
high pressure distillation 高压精馏的
different pressure distillation 差压蒸馏
Semi-automatic reduced pressure distillation tester 半自动减压蒸馏试验器
low pressure distillation 低压蒸馏
normal pressure distillation 常压蒸馏
negative pressure distillation 负压蒸馏
The advantage and disadvantage of the five recycling methods, direct heating, direct aqueous vapor, indirect aqueous vapor, reduced pressure distillation, precipitation method, is discussed.
探讨了直接加热法、直接水蒸汽法、间接水蒸汽法、减压蒸馏、酒精沉淀等五种回收方法的优缺点。
It is reveal by GC analysis that the purity of the TMP, treated by reduced pressure distillation and recrystallization in acetic ester, approximates to that of the reagent grade TMP.
GC分析结果表明：采用减压蒸馏及乙酸乙酯重结晶并用的方法精制的TMP纯度接近于试剂级TMP。
This paper introduced a new type and special structured vacuum pump unit suitable for dry type reduced-pressure distillation.
本文介绍适用于干式减压蒸馏的特殊结构真空抽气设备。
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