narrow fraction meaning in English

窄馏分

Properties and components of narrow fractions of daqing and liaohe decanted oils
大庆和辽河油浆窄馏分的性质及组成
Effect of reaction temperature on the product of aromatization reaction of fcc gasoline narrow fraction
反应温度对催化汽油窄馏分芳构化的研究
The metals have not been found in the narrow fractions of two feeds , which illustrates that sfef effectively traps the metals in the unextractable endcuts
窄馏分中的金属含量没有被检出，表明超临界流体萃取分馏将重金属浓缩于萃取残余物中。
Supercritical fluid extraction and fractionation ( sfef ) are used to separate daqing and liaohe decanted oils into a number of narrow fractions
摘要以大庆和辽河油浆为研究对象，采用超临界流体萃取分馏技术将其切割成窄馏分，分析了油浆窄馏分的性质及组成随收率变化的规律。