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- The results show that the ferric potassium alum is a green catalyst for synthesizing ethyl laurate. 实验结果表明,铁钾矾是合成月桂酸乙酯的绿色催化剂;最佳反应条件是:酸醇物质的量比为1:2。
- The effects of reaction time and the amount of the catalyst on the ester yield were investigated with sodium bisulfate monohydrate green catalyst. 苯甲酸乙酯制备是典型的有机实验,本文采用自行设计的回流-吸水反应装置,一水硫酸氢钠为绿色催化剂,考察了反应时间、催化剂用量对酯化反应产率的影响。
- Green catalysts such as solid acids and based,and environmentally friendly process or solvents such as water/organic biphase,fluorous biphase,and ionic liquid were reviewed. 介绍了固体酸碱催化、液液两相催化体系中的水/有机两相催化和氟两相催化以及离子液体催化工艺及特点,说明传统均相催化的多相化是实现化学工艺绿色化的重要途径。
- Keywords chalcone;synthesis;green catalyst;phase-transfer catalysis; 查耳酮;合成;绿色催化;相转移催化;
- Mr. Green spoke highly of our city. 格林先生很称赞我们的城市。
- I stood watching for the signal to change to green. 我站着等待交通信号转为绿灯。
- Mr Green is a professor in name but not in reality. 格林先生是徒有虚名的教授。
- The man whose right eye is blind is Mr. Green. 右眼瞎的那人是格林先生。
- Hello. worldwide flowers. Ers. Green speaking. 喂,这是世界花卉公司,我是格林太太。
- Are you going to get the house painted green? 你打算要把房子漆成绿色吗?
- The paper turned green as if by magic. 这纸魔术般地变成了绿色。
- The house was painted green outside. 这房子外部漆成绿色。
- This plant has green leaves throughout the year. 这种植物终年常青。
- The green fields came into sight. 一片绿色的田野展现在眼前。
- What will you do with these green crepe? 你用这些绿绉纱做什么?
- She looks rather curious with green hair. 她头发是绿的,样子有点古怪。
- Mr Green is not in town/is out of town. 格林先生不在城里。
- The country is very green in spring. 春天的时候,乡村一片青葱碧绿。
- All the boxes to be shipped are belted in green. 所有交运的箱子都用绿带标明。