English Dictionary

fractionation

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.

日本語の意味

（化学）混合物の一定量を、小分けに分けて各部分で組成が異なる状態にする分離プロセス。 / （化学）混合物を、成分比がグラデーション状に変化するような複数の部分に分ける操作。

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

粗抽出物を分画すると、溶媒の勾配に沿って組成が連続的に変化するいくつかの成分が得られた。

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.

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 ）