fractionation

英語（米国） (en-US) 英語（イギリス） (en-GB)

名詞

可算名詞 不可算名詞

(chemistry) A separation process in which a certain quantity of a mixture is divided up into smaller quantities (fractions) in which the composition changes according to a gradient.

このボタンはなに？

Fractionation of the crude extract produced several fractions whose compositions varied continuously along the solvent gradient.

詳細

意味（1）

(chemistry) A separation process in which a certain quantity of a mixture is divided up into smaller quantities (fractions) in which the composition changes according to a gradient.

Methane is separated from other hydrocarbons in a gas fractionation plant.

詳細

意味（2）

(radiotherapy) The division of a total dose of radiation into fractions.

意味（3）

(cryptography) A preliminary stage of encryption that divides each plaintext symbol into several ciphertext symbols.

意味（4）

A form of hypnosis where the patient is made to enter and leave a trance state many times in quick succession.

fractionations （ plural ）