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- Keywords dibenzoylmethane;Claisen condensation;synthesis;characterization; 二苯甲酰甲烷;克莱森缩合;合成;表征;
- A cloud is a condensation of water vapour. 云是由水蒸汽凝缩而成的。
- Claisen condensation 克莱森缩合
- Claisen condensation reaction 克莱森缩合反应
- His shaving mirror was covered with condensation. 他的剃须镜上有一层小水珠。
- Schimdt - Claisen condensation Schimdt-Claisen缩合
- 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。
- 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。
- Methyl 3 (3,4 methylenedioxyphenyl)acraldehyde was synthesized through Claisen Schmidt condensation reaction of the heliotropin and propanal with KF/Al 2O 3 as a catalyst, in yield over 80%. 以 KF/Al2 O3 作催化剂 ,催化洋茉莉醛和丙醛的 Claisen-Schmidt缩合反应合成了 2 -甲基 -3 -(3 ,4-亚甲二氧基苯基 )丙烯醛 ,收率超过 80%25。
- The moisture condensation can be identified by the visual evidence. 湿汽的凝聚能够靠视觉辩别。
- The particles can be detected with a condensation nucleus counter. 这种粒子可以用凝结核计数器探测到。
- The report is a brilliant condensation of several years' work. 这报告是几年工作的精华。