| 释义 |
fractional distillationBrE /ˌfrækʃənl dɪstɪˈleɪʃn/NAmE /ˌfrækʃənl dɪstɪˈleɪʃn/ noun [U] (chemistry 化学) the process of separating the parts of a liquid mixture by heating it. As the temperature goes up, each part in turn becomes a gas, which then cools as it moves up a tube and can be collected as a liquid 分馏 |