fractionation
分別,分餾法
frac·tion·a·tion /ˌfrækʃəˈneʃən/ 名詞
分段分離,分部分離,分級分離
fractionation
分數化
fractionation
n 1: a process that uses heat to separate a substance into its
components [syn: fractional process]
2: separation into portions