V2EX fractionation

Fractionation

释义 Definition

(尤指在化学、生物、工业中)分馏;分级分离;分组提取:把混合物按某种性质(如沸点、密度、分子大小、溶解度等)分成若干“组分/部分(fractions)”的过程。常见于原油分馏蛋白/细胞器分级离心同位素分馏等语境。

发音 Pronunciation (IPA)

/frknen/

例句 Examples

The lab used fractionation to separate the proteins.
实验室用分级分离法把蛋白质分开。

After cell lysis, the researchers performed differential fractionation to isolate mitochondria and other organelles, then analyzed each fraction for enzyme activity.
细胞裂解后,研究人员进行差速分级分离以分离线粒体等细胞器,并检测各个组分中的酶活性。

词源 Etymology

fractionation 来自 fraction(“部分、组分”),其词根源于拉丁语 frangere(“打碎、折断”),引申为“把整体分成若干部分”。后缀 -ation 表示“过程/行为”,因此整体含义就是“分成多个组分的过程”。

相关词 Related Words

文学与著作 Literary Works

  • Lehninger Principles of Biochemistry(《莱宁格生物化学原理》)
  • Molecular Biology of the Cell(《细胞的分子生物学》)
  • Biochemistry(Berg, Tymoczko & Stryer,《生物化学》)
  • Organic Chemistry(Clayden 等,《有机化学》)
  • Perry’s Chemical Engineers’ Handbook(《佩里化学工程师手册》)
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