1) acid catalysis
酸催化
1.
The preparation of biodiesel is briefly introduced and reserach actuality of biodiesel synthesis via acid catalysis is reviewed in this paper.
该文简要介绍生物柴油制备方法,综述酸催化法制备生物柴油研究现状,均相酸催化剂虽反应产率高,但废催化剂会带来环境问题,故多相酸催化剂已成为目前研究热点;另外,该文介绍酸催化反应机理,并展望其发展方向。
2.
These technologies include that acid catalysis using superior solid acid substitute for liquid acid catalysts,selective oxidation using lattice oxygen of catalyst substitute for oxygen,cleaner oxidation technology with hydrogen peroxide and TS(Ti silicalite),and the future development of carbonylation catalysis.
包括固体酸取代液体酸的酸催化、晶格氧代替分子氧的氧化、TS 1分子筛H2 O2 的清洁氧化新工艺及羰化催化的新发展。
3.
This paper gives the improved method of how ethyl ether can be made from ethyl alcohol through acid catalysis.
报道了乙醇酸催化制取乙醚的改进方法,该方法减少了实验步骤,降低了实验费用,缩短了实验时间,提高了乙醚的产率。
2) acid catalyst
酸催化
1.
Under these circumstances,the solid acid catalysts which havewidely industry applications have been demanded.
为了达到上述目标，需要提供一种具有广泛工业应用前景的固体酸催化剂。
3) acid-catalysis
酸催化
1.
Present Situation of Study on Synthesis of Biodiesel by Acid-catalysis;
酸催化合成生物柴油的研究现状
6) acid catalyst
酸催化剂
1.
Research progress of room temperature ionic liquid acid catalysts;
室温离子液体酸催化剂研究进展
2.
The application of acid catalysts in the coupling reaction of formaldehyde and methyl formate to form methyl glycolate and methyl methoxyacetate was investigated.
选取不同酸强度的催化剂硫酸、三氟甲烷磺酸、硫酸氢钠和硫酸氢钾,研究了酸催化剂在甲醛与甲酸甲酯偶联合成乙醇酸甲酯和甲氧基乙酸甲酯反应中的作用。
3.
Catalytic performances of various acid catalysts for coupling of methyl formate with formaldehyde to form methyl glycolate (MG)and methoxy methyl acetate (MMAc)have been investigated in a portable autoclave.
在釜式反应器中研究了甲醛和甲酸甲酯偶联生成乙醇酸甲酯及甲氧基乙酸甲酯反应的各种酸催化剂的性能。
补充资料：单分子酸催化酰氧断裂 AAC1
分子式：
CAS号：
性质：在非常强的酸性溶液中，酯水解反应以酰氧断裂的单分子机理进行。原因是在强酸性介质中，水分子的亲核性减小。酯质子化后发生异裂反应生成醇和酰基正离子是慢过程，为决定反应速率的步骤。
CAS号：
性质：在非常强的酸性溶液中，酯水解反应以酰氧断裂的单分子机理进行。原因是在强酸性介质中，水分子的亲核性减小。酯质子化后发生异裂反应生成醇和酰基正离子是慢过程，为决定反应速率的步骤。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条