挥发成分 meaning in English

light constituents
volatile component
volatile constituent

Determination of the volatile contents from ginger oil by gc - ms
质谱法测定姜油中挥发成分
Binders for paints - method for determination of volatile and non - volatile content
涂料用粘合剂.第1部分:挥发成分含量与不挥发成分含量的测定方法
Testing of carbon black ; determination of the amount of components of carbon black that are volatile on heating
炭黑试验.炭黑灼烧时挥发成分量的测定