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vacuum distillation

V 开头单词

基本解释

  • [化工] 真空蒸馏

英汉例句

    双语例句

  • The process flow sheet of vacuum distillation of Bi-Ag-Zn crust was drawn up, and its rationality was argued.
    拟定了真空蒸馏铋银锌壳制取粗银、粗铋和粗锌的工艺流程，并论证了该流程的合理性。
  • The products were gained by vacuum distillation from reaction liquid, meanwhile their qualitative and quantitative analysis were carried out by GC-MS.
    反应结束后反应液经过真空蒸馏后得到产物，并通过GC-MS进行定性和定量分析。
  • Secondly, the feasibility of separation of impurities in rich bismuth and reagent (sulphur or chlorine) deleading with vacuum distillation was studied in theory.
    其次，从理论上分析了用真空蒸馏分离各杂质和通过加剂（加硫或加氯）除铅的可行性。

词组短语

    短语

  • vacuum flask distillation 真空快速蒸馏;真空一次挥发蒸馏
  • 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

英英字典

    柯林斯英英字典

  • distillation in which the liquid distilled is enclosed at a low pressure in order to reduce its boiling point

专业释义

    化学

  • 减压蒸馏

    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。

  • 真空蒸馏
  • 减压精馏
  • 真空精馏

    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。

    能源科学技术

  • 真空蒸馏

    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。

    机械工程

  • 真空蒸馏

    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。

    交通运输工程

  • 减压蒸馏

    Vacuum 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。

  • 真空蒸馏