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单词 vacuum distillation
释义

Definition of vacuum distillation in English:

vacuum distillation

noun
mass nounChemistry
  • Distillation of a liquid under reduced pressure, enabling it to boil at a lower temperature than normal.

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    Example sentencesExamples
    • One method, particularly common in Germany, is a process of vacuum distillation, whereby wine, at extremely low pressures at normal room temperatures, is separated into various fractions in a tall column.
    • All of the liquid amines were purified by vacuum distillation just before use.
    • Samples were kept frozen until the extraction of xylem water by cryogenic vacuum distillation from stem samples.
    • We also purify the glycerol by vacuum distillation.
    • Undecylenic acid is produced commercially by the vacuum distillation of castor bean oil.

Definition of vacuum distillation in US English:

vacuum distillation

noun
Chemistry
  • Distillation of a liquid under reduced pressure, enabling it to boil at a lower temperature than normal.

    〔化〕真空蒸馏

    Example sentencesExamples
    • All of the liquid amines were purified by vacuum distillation just before use.
    • We also purify the glycerol by vacuum distillation.
    • Samples were kept frozen until the extraction of xylem water by cryogenic vacuum distillation from stem samples.
    • One method, particularly common in Germany, is a process of vacuum distillation, whereby wine, at extremely low pressures at normal room temperatures, is separated into various fractions in a tall column.
    • Undecylenic acid is produced commercially by the vacuum distillation of castor bean oil.
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更新时间:2024/12/27 17:31:24