vacuum flask distillation真空一次挥发蒸馏;真空快速蒸馏
Vacuum packed distillation column真空填料精馏塔
vacuum refinery distillation减压精馏
vacuum residue distillation system减压渣油系统
vacuum steam distillation真空蒸汽蒸馏
vacuum flash distillation真空闪蒸
vacuum m distillation真空蒸馏
vacuum membrane distillation真空膜蒸馏;减压膜蒸馏;膜蒸馏;采用减压膜蒸馏
vacuum fractional distillation真空精馏分离
In this paper,refined pitch was used as raw material to produce spinning pitch with softening point of above 240 ℃by vacuum distillation and air oxidation. The oxidized and carbonized products were compared.
以煤焦油精制软沥青为原料,使用减压蒸馏、空气氧化两种方法制取软化点高于240℃的高软化点沥青,将几种沥青纺丝后的氧化产物和炭化产物进行对比。
Removing sterols before high-vacuum distillation can improve the yield of fatty acid methyl ester.
在高真空精馏之前分离甾醇,可以提高脂肪酸甲酯的产率。
参考来源 - 大豆油脱臭馏出物中生育酚、甾醇和脂肪酸的提取工艺研究A refine process by vacuum distillation has been investigated to get a high quality biodiesel. It was found that the fraction collected between 160-240℃ under the pressure of -0.1MPa was suitable to serve as engine fuel.
论文还研究了用真空蒸馏法精制生物柴油产品的工艺，得到的精制产品经检测是一种优质的燃料，其性能指标达到或超过0号柴油。
参考来源 - 利用潲水油生产生物柴油的研究A kind of high purity double metal alkoxides will be attained by using the method of vacuum distillation.
使用真空蒸馏的方法进行提纯，得到高纯醇盐。
参考来源 - 镁铝双金属醇盐溶胶凝胶法制备MgAlVacuum distillation were carried on with samples after the non-catalyzed oxidation and catalyzed oxidation, through the analysis, ductility of samples after the vacuum distillation maintains good.
对非催化氧化和催化氧化后的样品进行了减压蒸馏,通过分析发现,减压蒸馏后的样品的延度保持较好。
参考来源 - 氧化、蒸馏对沥青性能的影响研究N（名词） distillation in which the liquid distilled is enclosed at a low pressure in order to reduce its boiling point 真空蒸馏