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The activities of the bimetallic catalytic system are near to or higher than Cp〓ZrC1〓.

1这些络合物与MAO组成的催化体系的催化活性都接近或高于Cp〓ZrCl〓的催化活性。

Based on these results, the factors and kinetics of solar energy photoelectrocatalytic degradation of model pollulants, the cathodic behavior and its dependence on anodic reactions, have been studied in detail.It was demonstrated that metal silver and hydrogen peroxide can be generated, respectively,in the cathode during photoelectrocatalytic degradation of organics in the anode, and that photoanodic reaction is the rate-determing step in the system.

在此基础上查明了太阳能光电催化降解污染物体系的影响因素和动力学规律,阴极反应行为及与阳极反应的相互关系,实现了阳极光电催化降解污染物的同时,阴极分别回收金属银和产生过氧化氢,证明了光电催化反应时,阳极氧化反应是速率控制步骤。

The polymerization of styrene were catalyzed by the schiff base metal complexes / Grignard Reagent catalytic system.

用合成出的西佛碱金属配合物与助催化剂格氏试剂组成催化体系,系统研究了这种新型催化体系对苯乙烯的催化聚合反应的规律。

Based on a brief review of semiconductor photocatalytic mechanism and researches in the past 30 years on TiO2 heterogeneous photocatalysis, this paper emphasizes that the natural vanadiferous rutile and its modified products, which have not been investigated by either Chinese or foreign research groups, degrade halogenated organic contaminants. By means of grinding, heating in situ, heating, quenching and electron irradiation, the natural rutile could be modified.

在简述半导体光催化理论及TiO2多相光催化作用近30年研究现状的基础上,重点对国内外一直处於空白状态的天然含钒金红石光催化性能进行研究。

Nanometers photocatalytic principles and characteristics are introduced. Especially the advantages and disadvantages of decontaminating air are showed by single nanometer photocatalysis or activated carbon fibers. The advantages of their combination are analyzed.

本文重点介绍了纳米光催化原理、特点及纳米光催化或活性炭纤维单独净化空气时的优缺点,分析了将纳米光催化和活性炭纤维相结合的方式及优点。

The results showed that the catalyst was very efficient for the conjugate addition of amines to electron deficient alkenes with excellent yields in several minutes.

在进一步的催化反应过程中发现,该催化剂对反应具有很高的催化活性,能催化该反应在短短数分钟内完成。

MnO_x catalytic gauzes are analyzed using BET、SEM and IR before and after treatment. The result shows that the specific surface area, total pore volume and average pore size of MnO_x reduce dramatically, and the infrared absorption band of N-O enhances. The removal mechanism of NO_2 using MnO_x catalyzer is preliminarily believed as absorption-catalysis process.

对使用前后的MnO_x催化网进行线性扫描和红外光谱分析,得到使用后催化剂比表面积、总孔容和总孔面积明显减小,N-O键增多,初步分析认为NO_2被MnO_x催化网去除的机理为先吸附后发生催化反应为酸。

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

The photocatalytic activity is investigated by photodegradation of pentachlorophenol using self-made reactor device.

在自制光催化反应器中,通过五氯酚的光催化降解实验研究了掺铁TiO2的光催化性能。

Compared with traditional method, the inventive optical catalyst has higher activity and high utilization on ultraviolet light.

光催化材料粒径集中分布于10-12nm之间;晶体晶型多为锐钛矿型;较传统方法制备的光催化材料相比光催化活性明显提高;对紫外光的利用率显著提高,且可部分利用可见光。

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