释义 |
molecular distillation
molecular distillation n (Chemistry) distillation in which a substance is heated under vacuum, the pressure being so low that no intermolecular collisions can occur before condensation molecular distillation
molecular distillation[mə′lek·yə·lər ‚dis·tə′lā·shən] (chemistry) A process by which substances are distilled in high vacuum at the lowest possible temperature and with least damage to their composition. molecular distillation
mo·lec·u·lar dis·til·la·tiondistillation in high vacuum, intended to make possible use of low temperatures to minimize damage to thermally labile molecules that would be decomposed by boiling at higher temperatures. |