说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 反应控制相转移催化
1)  reaction-controlled phase-transfer catalysis
反应控制相转移催化
2)  reaction-controlled phase-transfer catalyst
反应控制相转移催化剂
1.
The catalytic performance of a reaction-controlled phase-transfer catalyst,quaternary ammonium heteropolyphosphatotungstate,for propylene epoxidation was investigated using aqueous hydrogen peroxide as oxidant and HPO~(2-)_4 or H_2PO~-_4 as additive.
以H2O2为氧化剂,以磷酸氢盐或磷酸二氢盐为添加剂,研究了反应控制相转移催化剂(磷钨杂多酸季铵盐)催化丙烯环氧化的反应性能。
2.
Heteropoly blue Q 7PMo 12O 42 (Q=C 5H 5NC 16H 33) has been designed and synthesized as reaction-controlled phase-transfer catalyst for catalytic epoxidation of cyclohexene and catalytic oxidation of benzalcohol with H 2O 2 as the oxidant.
设计合成了第一个由磷钼杂多蓝作为反应控制相转移催化剂的反应体系 ,用于对环己烯进行催化环氧化 ,苯甲醇进行催化氧化 。
3)  phase transfer catalysis
相转移催化反应
1.
The application of phase transfer catalysis in the alkylation of α amino acids was reviewed.
简述了相转移催化反应在α 氨基酸烷基化反应中的应用。
4)  Phase transfer catalysis reaction
相转移催化反应
1.
The interface tension and surface tension of the phase transfer catalysis reactions (using phase transfer catalysts, hydrocarbon surfactants and fluorocarbon surfactants) have been determined.
过去在研究相转移催化反应机理时仅考虑在相转移催化剂作用下反应物、中间体(离子)、产物在两相间的转移,并导致两相间反应进行。
5)  phase transfer catalytic reaction
相转移催化反应
1.
This paper reviews the mechanism of the phase transfer catalytic reaction according to the different compositions of catalytists, including quaternary ammonium salts,polyethylene glycols and grown ethers as well as application of the PTC in Organic synthesis, such as the reaction of,nucleophilic substitution,addition,condensation,oxidation-reduction and so on.
综述了在不同催化剂结构下所遵循的相转移催化反应机理 ,包括季铵盐类、聚乙二醇类及冠醚类催化机理 ,以及相转移催化在有机合成中的应用 ,如亲核取代反应、加成反应、缩合反应、氧化还原反应
6)  reaction-controlled phase-transfer
反应控制相转移
1.
A trilacunary keggin phosphotungstic reaction-controlled phase-transfer catalyst [C7H7(CH3)3N]9PW9O34 (Q9PW9) was synthesized, and characterized by FT-IR, 31P NMR, XRD and TG, and the catalytic center was confirmed.
制备了三缺位Keggin型反应控制相转移催化剂[C7H7(CH3)3N]9PW9O34(记为Q9PW9),利用FT-IR,31PNMR,XRD和TG对催化剂进行了表征,并确定了反应的催化活性中心。
补充资料:反应控制
分子式:
CAS号:

性质:整个反应速度为催化剂表面反应速度控制的动力学行为。当内、外扩散速度远比表面化学反应速度大得多时,催化剂全部内表面得到充分利用,孔内深处的反应物或产物的浓度与气流主体浓度相近,内、外扩散可以忽略。实验测得的动力学方程真实地反映了表面化学反应的动力学规律。

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