铜离子是反应的活性中心。
综述了漆酶催化活性中心结构及应用的研究进展。
Recent advances in studies on structure of catalytic active center and application of laccase are reviewed in the present paper.
同时,简单的讨论了二氧化硅表面存在的活性中心。
催化剂的活性中心位于胶粒表面,催化剂颗粒是无定形的。
The active center lay on the surface of the colloidal particle. The particles were amorphous.
纳米粒子表面活性中心多,为它作催化剂提供了必要条件。
Nano-particles on the surface active center, it provided a catalyst for the necessary conditions.
这是因为在活泼氢和催化剂活性中心之间有链转移反应发生。
This is due to the chain transfer reaction between the active hydrogen and the active centers of the catalyst.
这些层状粘土矿物具有取代结构和断面余键两个吸附活性中心。
The layered clay minerals have two active adsorptive centers, i. e. the replacing structure and the residual bond on fractured surface.
本文结合红外光谱分析结果讨论了活性中心模型和其形成机理。
The modes and the forming mechanisms of active sites were proposed from IR and DTA.
研究脯氨肽酶活性中心的结构具有重要理论意义和潜在实用价值。
So it was important from both practical and theoretical point of view to study the active site structure of prolidase.
引发剂用量增加使得体系中活性中心浓度增加因此共聚物的产率上升;
The concentration of active center increases with the increase of dosage of initiator, so the yield of copolymer increase.
测得了丁二烯在本体系中聚合的表观与增长活化能以及活性中心数目。
The number of active center and the apparent activation energy and the propagation activation energy of butadiene …
活性中心由催化基团和结合基团,他们与高分子共同构成一个立体结构。
Catalytic active site by the group and the combined group, who co-polymer with a three-dimensional structure.
研究了胶体铜催化丙烯腈水合制丙烯酰胺的高选择性与活性中心结构的关系。
The relationship between the high selectivity of catalysis and the structure of active centre of copper colloidal catalyst in selective hydration of acrylonitrile to acrylamide was studied.
金属离子作为金属蛋白中重要的辅因子,承担着活性中心或结构中心的作用。
As the most important cofactors of proteins, metal ions are responsible for the active or structural sites in metalloproteins.
催化剂活性不仅与比表面有关,还与其活性中心分布情况、内表面利用率有关。
Catalyst activity was determined by not only specific surface area of catalyst but also the distributions of active center and utilization ratio of internal surface.
并分别深入探讨了A位和B位掺杂元素、掺杂比例对催化活性中心离子的影响。
The influence of doping elements in A site and B site and the doping ratio on the catalytic activity of perovskite-type oxides was also respectively discussed in this thesis.
介绍和评述了文献中有关路易氏碱在阴离子聚合中对活性中心的络合和解缔作用。
This paper introduces the complexation and dissociation of different Lewis bases with active species in the area of anionic polymerization reported in literatures and elucidates their applications.
化学修饰实验发现:巯基、胍基、氨基、羧基和吲哚基可能参与酶活性中心的组成。
Chemical modification studies showed that the sulfhydryl, guanido, amino, carboxyl and indolyl groups may participate in the active center of the enzyme.
摘要:丝氨酸蛋白酶家族活性中心由一组特征性氨基酸残基构成,其中有一个是丝氨酸。
Abstract: Activity center of serine protease family is constituted by a set of characteristic amino acid residues, which has a serine.
结果表明,酸性和碱性催化剂由于活性中心的存在,加快了反应速度和降低了反应活化能。
The results indicate that acid and alkali catalysts can increase the tar cracking reaction speed and reduce the activation energy due to the activated center.
这些活性中心在生物体中扮演着许多重要角色,如氧化还原、电子传递、路易斯酸催化等。
These active centers play many important roles in biological system, such as oxidation-reduction, electron transfer, catalyse of lewis acid.
本论文主要合成了一系列唯铁氢化酶活性中心六羰基二铁二硫模型配合物并考察其结构特性。
Herein, a series of diiron dithiolate complexes were synthesized as the structural and functional models of the Fe-only hydrogenase active site.
系统阐述了羟化反应机理,并指出加氧酶活性中心少数氨基酸残基是影响羟化反应的关键因素。
Some amino acid residues in the active center of mono-oxygenases were pointed out to be the main factors to the hydroxylation.
用反应物的活化能、表面活性中心的观点,探讨了褐煤、烟煤、高硫煤的氧化过程及阻化机理。
This paper also investigates the oxidation process and mechanism of inhibition for lignite, bituminous and high sulphur coals from the viewpoint of reactant activation energy and surface active sites.
工业试验结果表明,大分子有机物吸附和覆盖了催化剂活性中心是催化剂暂时性失活的主要原因。
The results of commercial tests showed that the main reason of temporary deactivation of catalyst was the adsorption of organics and covering of organics on the active sites of the catalyst.
阐述了漆酶的研究进展,对漆酶研究中的铜离子活性中心、三维结构和催化机理研究作了重点阐述。
The progress on the research of laccases is reviewed in this paper, of which the active centre of copper ions, the three-dimensional structure of protein, and catalytic mechanism are emphasized.
羟基化酶是其催化活性中心,它的催化机理的研究主要包括烷烃的活化和分子氧的活化这两个方面。
MMOH is the active site of MMO, its catalysis reaction mechanism mainly includes the activation of alkyl and oxygen molecule.
羟基化酶是其催化活性中心,它的催化机理的研究主要包括烷烃的活化和分子氧的活化这两个方面。
MMOH is the active site of MMO, its catalysis reaction mechanism mainly includes the activation of alkyl and oxygen molecule.
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