Lewis acid
英 [ˈlu(ː)ɪs ˈæsɪd]
美 [ˈluɪs ˈæsɪd]
路易士酸
双语例句
- The formation mechanism of acid sites, mainly the formation mechanism of Bronsted acid sites in HY and REY zeolite as well as Lewis acid sites in matrices and zeolite of FCC catalysts are analyzed.
分析了催化裂化催化剂酸中心的形成机制，重点论述了HY沸石及REY沸石中B酸中心的形成机理，以及催化剂基质和沸石中L酸中心的产生途径。 - This paper gave an overall review of the application of lewis acid catalytic on various drug synthesis.
总结了路易斯酸在各种药物合成反应中的催化作用。 - CuPc was dissolved by the method of Lewis acid complexation-mediated solubilization ( LAPS), whose mechanism was discussed.
用路易斯酸配位法溶解了铜酞菁，并对其溶解机理进行了简单探讨。 - The author used lewis acid as the catalyst and found the yield was raised as high as67%.
本文研究常用路易斯酸作为催化剂，发现苯佐卡因的收率可提高到67%。 - The optimal parameters of synthesizing brominated polystyrene ( BPS) was determined in the presence of antimony chloride as a Lewis acid, bromine chloride and polystyrene as raw materials.
以氯化溴和聚苯乙烯为原料，以三氯化锑为催化剂，对合成阻燃剂溴化聚苯乙烯的工艺条件进行了试验研究。 - Progress in Synthetic Application of Iodine as a Lewis Acid Catalyst
碘作为Lewis酸催化剂在合成中的应用进展 - Microwave-assisted hydrolysis of cellulose using metal chloride as Lewis acid catalysts
微波辅助的金属氯化物Lewis酸催化纤维素水解 - 1, 2-dichloropropane adsorbs on phosphate M of Lewis acid sites M-O bond in molecular state.
1,2－二氯丙烷在磷酸盐上，以分子吸附态吸附于Lewis酸位M－O键的M位上。 - The results show the camphene can be acylated in the presence of Lewis acid catalyst.
结果表明，在Lewis酸催化下莰烯可以进行C酰基化反应。 - The Bronsted and Lewis acid centers on the solid acid surface were confirmed by IR spec-tra of adsorbed pyridine.
固体酸吸附吡啶的红外光谱表明其表面存在Bronsted酸中心和Lewis酸中心。 - The salt effect is related to the cation radius, valence and Lewis acid hardness.
而盐效应的大小与阳离子半径、电荷数及其酸软硬度等因素有关。 - The esterification and polymerizing reaction of rosin were studied. At first, by reacting of rosin and benzyl alcohol, rosin benzyl ester was prepared in the toluene with Lewis acid as catalyst.
以Lewis酸为催化剂，甲苯为溶剂，进行松香与苯甲醇酯化反应合成松香苯甲酯，研究松香与苯甲醇的酯化和聚松香苯甲酯的合成反应。 - In the leaves the ration of the Lewis acid and the Lewis base is ca. 0.016.
柿树叶中Lewis酸和Lewis碱之比（酸碱比）约为0.016。 - CONCLUSION: Basic catalysis is superior to Lewis acid catalysis. Using metal oxide is suitable for industrialization.
结论：碱性催化剂优于路易斯酸性催化剂，金属氧化物催化适合于工业化生产。 - Receptors consisting of metal or Lewis acid center;
含金属和路易斯酸的受体； - Catalytic Application of Lewis Acid on Drug Synthesis
路易斯酸在催化药物合成中的应用 - The catalytic centers might be both active sites of Lewis acid and Bronsted acid.
树脂B的催化中心可能是Bronsted酸和Lewis酸点同时起作用。 - Study on Catalysis of Lewis Acid for Ethyl Acetate
路易斯酸对乙酸乙酯合成的催化作用研究 - The changes of the amounts of both the Bronsted and the Lewis acid sites with temperature increase were investigated.
测定了Lewis酸和Bronsted酸数量随温度升高的变化规律。 - Spectra of the sample adsorbed with pyridine shows that there are mainly Lewis acid sites on the surface.
吸附了吡啶蒸气的红外光谱表明，活性纤维状氧化铝的表面酸主要以非质子酸形式存在。 - The integrated effect of the synergy of Sn with Mo-O-Si and weak Lewis acid sites catalyzed transesterification of DMO with phenol.
Sn元素与Mo-O-Si的协同作用与Lewis酸性中心共同作用于DMO和苯酚的酯交换反应。 - The mechanism of Lewis acid additive effect on PEKS membrane-making was studied.
研究了Lewis酸对膜性能的影响。 - The coke consisted mainly of aromatic compounds with alkyl and polycyclic aromatic hydrocarbons, and it also comprised some aromatic compounds with hydroxy group produced by further oxidation, dehydrogenation and polymerization of phenol on Lewis acid sites.
积炭物种主要为带有烷基的芳烃和多环芳烃，同时含有少量带有羟基的多环芳烃，这可能是由在L酸中心上生成的苯酚进一步氧化、脱氢和聚合形成的。 - These catalytic reactions follow the bifunctional mechanism of Lewis acid activation and metal hydroxide activation.
催化反应遵循Lewis酸活化和金属轻基活化的双功能机理。 - The sequential reaction involves a copper-catalyzed three-component reaction, a Lewis acid catalyzed electrocyclic reaction and a dehydrogenation.
这个方法包括Cu催化的三组分反应，Lewis酸催化的电环化反应以及脱氢反应。 - In this thesis, we use chiral protonic acid and Lewis acid as catalyst to catalyze this reaction. Although the result is not so good, it laid a foundation for later study.
我们用手性的质子酸和路易斯酸为催化剂对它的手性反应进行了初步尝试，虽然结果不尽理想，但为以后的研究积累了宝贵经验。 - In order to further improve the catalytic activity and investigate the influence of catalyst acidic properties on the catalytic activity, acid-treated montmorillonite and molecular sieve H β were modified by loading Lewis acid and protonic acid treatment.
为了进一步提高催化剂的催化活性和考察催化剂酸性质对催化剂活性的影响，对酸化蒙脱土和Hβ分子筛进行了改性处理并考察了它们改性后的催化活性。 - This chapter mainly focused the synthesis of propargylic alcohols in many methods including strong base reagents and organic reagent improved by the strong base, the terminal alkyne, and Lewis acid or base.
此章中我们主要介绍了通过强碱试剂、由强碱改进的有机试剂、末端炔烃衍生物和路易斯酸/碱组合等方法来合成炔丙醇。 - As the catalyst, Lewis acid plays an important role in organic synthesis.
路易斯酸作为催化剂在有机合成中占有重要地位。 - As we all know, in recent years, Lewis acid catalysts in organic synthesis are widely used.
众所周知，近年来Lewis酸催化剂在有机合成中的应用非常广泛。