rectification under vacuum
英 [ˌrektɪfɪˈkeɪʃn ˈʌndə(r) ˈvækjuːm]
美 [ˌrektɪfɪˈkeɪʃn ˈʌndər ˈvækjuːm]
网络 减压精馏
双语例句
- Separation of fatty acids on a technical scale by continuous rectification under vacuum
工业规模连续减压精馏分离脂肪酸 - Analysis to the Effects of Rectification Under Vacuum on the Vapor Liquid Equilibrium of Benzene Phenyl Ethylene by Excel
乙烯和苯合成乙苯的催化蒸馏技术基于EXCEL分析减压精馏对乙苯&苯乙烯相平衡的影响 - Rectification operation must be kept under lower pressure ( or higher vacuum), and the suitable operating temperature is ≤ 60 ℃ It is hard to condense tower top products with industrial ambient temperature cooling water.
精馏操作压力必须保证在较低压力（或较高真空）条件下进行，适宜的操作温度≤60℃。用常温工业冷却水冷凝塔顶产物有困难。