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fractionation n. 分別,分餾法 分別,分餾法 fractionation 分數化 fractionation n 1: a process that uses heat to separate a substance into its components [synonym: {fractionation}, {fractional process}] 2: separation into portions fractionation \frac`tion*a"tion\ n.
the act or process of separating a mixture into portions of different composition, as in distillation or {fractional crystallization}. Syn: fractional process. [WordNet 1.5 PJC] 2. (Petroleum industry) Separation of crude oil into components of differing composition by {fractional distillation}. [PJC]
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