配位催化
- coordination catalysis
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用NH3-TPD法对NH3吸附中心进行跟踪,发现除强弱两类酸中心外,确有第三类活性中心,此第三类活性中心可能就是配位催化活性中心。
The adsorption sites of NH 3 were traced by the NH - 3 TPD technique . Along with the centers of strong and weak acids , a third active center was discovered that was possibly the center of coordination catalysis .
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原子簇配位催化作用中ATP驱动的电子传递
ATP - driven Electron - transfer in Cluster Coordination Catalyst
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Nd(O-i-Pr)3-Al(i-Bu)3配位催化甲基丙烯酸甲酯聚合反应的研究
Study on the polymerization of methyl methacrylate by coordination catalyst nd ( o I pr ) 3 al ( I bu ) 3
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饱和烃C-H键的活化及其配位催化反应的研究Ⅲ.PtCl4~(2-)配位离子催化戊烷氧化氯化反应的EHMO计算
Activation of C-H bond in alkanes and their coordinated catalytic reaction by organometallic complexes ⅲ . EHMO calculation of oxidative chlorination of pentane catalysed by ptcl_4 ~ ( 2 - ) ion
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配位催化液相沉淀法生产氢氧化镍
Production Nickel Hydroxide by Ligand Catalytic Liquid Phases Precipitation Method
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稀土配位催化聚合甲基丙烯酸甲酯
The polymerization of methyl methacrylate with rare earth coordination catalysts
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配位催化氧化合成邻硝基苯甲醛的工艺研究
Study on the preparation of 2-nitrobenzaldehyde via copper-catalyzed oxidation of 2-nitrobenzyl alcohol
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水相配位催化烯烃聚合的新进展
Advances of Olefin Polymerization in Aqueous Solutions
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金属酶及其配位催化
The Metallic Enzyme and Coordination Catalytic Mechanism
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镍系烯烃聚合催化剂是近年来受到广泛关注的一类新型催化剂,是配位催化研究的热点之一。
Nickel-based olefin polymerization catalysts are new-type catalysts , which have been attracted much attention in recent years .
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在生产聚乙烯的诸多催化剂中,后过渡金属烯烃聚合催化剂是近年来受到广泛关注的一类新型催化剂,是配位催化研究的热点之一。
In many polyethylene catalysts , late transition metal olefin polymerization catalysts are new-type catalysts , which have been attracted much attention in recent years .
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桥联的出现使化合物表现出花样繁多的价键本性及空间结构,既促进了化学健理论的发展,也促进了配位催化及生物模拟的发展。
Bridging ligands involved in compounds reveals the various valence - bond nature and steric structrue , which promote the development of valence - bond theory , coordination catalyst as well as biology simulation .
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探讨了1,8-萘二甲酸转位合成2,6-萘二甲酸的机理,提出了以镉为中心离子的三元配合物中萘二甲酸配体的异构平衡为基础的配位催化合成理论。
The mechanism of 2 , 6-naphthalic acid by means of 1 , 8-naphthalic acid transferring station synthesis is studied . The theory of catalysis via coordination is put forword , which is based of isomer balance of Naphthalic coordinate object in ternary coordination complex regarding Cadmium as centrical ion .
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三乙烯四胺吸收CO2的初探配位络合催化热钾碱吸收CO2动力学研究
Study on the Absorption of CO_2 by Using TETA Aqueous Solutions Kinetics of Carbon Dioxide Absorption in Hot Potash Solutions Containing Complex of Amine and Metal Ino as Catalyst
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丙烯配位聚合催化体系中第三组分作用的探讨
The effect of third composition on propylene interim polymerization system
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分子筛的引入提高了产物的产率、结晶度,展现了分子筛表面羟基的配位-催化作用和表面吸附作用。
The introduction of SBA-15 improved yield and crystallinity of the desired products , indicating the functions of surface adsorption and coordination-catalysis of hydroxyls .
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用铑配位化合物催化,烷烃与有机硼化合物作用,很容易被官能团化。
But it is easy to give functional group to paraffin directly when paraffin and organic boron conpound react , using rhodium coordination compound as catalyst .
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在常压和接近工业生产温度、浓度条件下,测定了若干过渡金属离子与多元胺配位络合催化的吸收速率和解吸速率。
The rates of CO2 absorption in hot potash solutions containing a complex of amines and metal ions as catalyst have been measured by stirring reactor at normal atmosphere , and with temperature and concentration approaching industrial pro - duction condition .
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Ni(Ⅱ)与壳聚糖的配位作用及其催化性质的研究
Studied on the Coordination Effect of Ni ( II ) with Chitosan and Catalytic Property of Coordination Polymer
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海藻酸铜膜表面的配位结构及催化MMA聚合的性能
Coordination Structure of Copper Alginate Film and Its Catalytic Property for MMA Polymerization
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指出了固氮酶与铁催化剂在配位络合和催化作用的密切关系。
The intimate relation between coordination and catalysis for both nitrogenase and iron catalysts are pointed out .
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有机共轭二元羧酸模块构筑的功能配位聚合物及其催化性能
The Functional Material Coordination Compounds Constructed by Organic Conjugated Dicarboxylates Ligands and the Study on Its Catalytic Property
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手性亚磷酸酯-膦配体的合成、与铑(Ⅰ)的配位性能及催化反应研究
Synthesis of A Chiral Phosphite - Phosphine Ligand , Its Coordination Behavior with Rhodium (ⅰ) Cation and the Application in Catalytic Reaction
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新型负载配位催化剂ZBDPPEDAEPA/TiO2/Pd催化羰化反应研究
Carbonylation of Benzyl Chloride Catalysed by a New Type Palladium Catalyst ZBDPPEDAEPA / TiO_2 / Pd
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分别分析了配位聚合物在相同催化体系中催化效率表现不同的可能原因。
The possible causes that the catalytic efficiency of coordination polymers is different in the same catalytic system were analyzed .
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对反应前后Al2O3-SiO2催化剂的XRD、XPS和BET分析发现,反应过程中Al3+由四面体配位转化为八面体配位,导致催化活性有所降低。
Al_2O_3-SiO_2 catalysts were characterized by XRD , XPS and BET , and it was shown that some changes of Al ~ ( 3 + ) from tetrahedron to octahedron occurred during the reaction process , which results in the decline of the catalytic activity of Al_2O_3-SiO_2 .