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- The types of diesel stabilizer, including Mannich condensation, amine and ethers are reviewed. 综述了柴油稳定剂的种类,指出柴油稳定剂主要是曼尼希缩合物、胺、氮杂环和醚类化合物等。
- The preparation method of arylamine polyether, which used the mannich condensate as materials, and its application, were reviewed. Some suggestions of synthesis methods were made. 简要介绍了以曼尼期缩合物为原料的芳胺聚醚的制备及应用,并在合成方面提出了建议。
- A Study on the Synthesis Tachnique of a Mannich Condensation Product 第五代汽油清净剂的合成探索
- A cloud is a condensation of water vapour. 云是由水蒸汽凝缩而成的。
- His shaving mirror was covered with condensation. 他的剃须镜上有一层小水珠。
- Mannich condensation reaction [机] 曼尼希缩合反应
- Mannich condensation 曼尼希反应
- A brief summary; a condensation. 概要简洁的概括; 总结
- A condensation to quinoid systems occurs. 发生了醌型体系的缩合反应。
- There was condensation on the windows. 玻璃窗上凝结着水珠。
- There was condensation on the glass. 玻璃杯上凝结着水珠。
- By this means, rapid condensation takes place. 用这种方法,冷凝很快。
- Then two mannich bases had been prepared by mannich bases reaction. 然后经曼尼希碱反应,生成两种曼尼希碱。
- Most condensation reactions are equilibria. 大多数的缩合反应是平衡反应。
- The windows were misted up with condensation. 窗户上凝满了水珠,一片模糊。
- Condensation is very rapid at PH 7-9. PH值7-9时缩聚极快。
- It removes condensation water and stop leakage. 它能迅速、自动排除结水,有效地阻止蒸汽泄漏。
- His shaving mirror was covered with condensation . 云是由水蒸汽凝缩而成的。
- Isopropylidene 5-(3-oxo-alkyl)malonates (3) were synthesized by condensation of Mannich base of isopropylidene malonate with methyl ketones in the presence of faint acid, such as acetic acid. 5-烃基丙二酸亚异丙酯的Mannich碱和甲基酮在弱酸如醋酸的存在下;合成得到缩合产物5-(3-氧代烃基)丙二酸亚异丙酯(3).
- The moisture condensation can be identified by the visual evidence. 湿汽的凝聚能够靠视觉辩别。