已知双金属和三金属催化剂提供了优于单金属催化剂的性能。
It is known that bimetallic and trimetallic catalysts offer improved properties over single metal catalysts.
重点讨论了过渡金属催化剂的组成。
Transition metal catalyst composition is discussed with emphasis.
化学家摆弄热和金属催化剂来提炼。
The Chemists have tinkered with heat and metal catalysts to refine their materials.
最后介绍CO激光器选用的贵金属催化剂。
Finally, the noble metal catalyst selected for CO laser is introduced.
介绍了渣油加氢多金属催化剂的研制过程。
A multi metal catalyst for hydrogenation of residue oil was prepared.
对载体型茂金属催化剂研究进展进行了评述。
This paper reviewed the recent advances in supported metallocene - based catalyst systems for olefin polymerization.
纳米金属催化剂的制备方法包括化学法和物理法。
The preparation methods of metal nanocatalysts include chemical methods and physical methods.
本文评论了用于硅氢加成反应的过渡金属催化剂。
The transition metal catalysts for hydrosilation are reviewed in this paper.
考察了带有不同配体的稀土金属催化剂对反应的影响。
The catalytic activities of other rare earth metal salts with different ligands were tested.
报道了一种新的碱性燃料电池氧电极的非贵金属催化剂。
A new kind of non noble metal catalyst for the oxygen electrode of alkaline fuel cells was investigated.
对轻质烷烃低温异构化非贵金属催化剂制备进行了研究。
The paper presents the preparation of non-noble metal catalyst for Light paraffine isomerization at low temperature.
在烯烃聚合物合成中茂金属催化剂正在替代传统催化剂。
Metallocene catalysts are replacing traditional catalysts in syntheses of olefin polymers.
茂金属催化剂技术为开发更多的高性能聚烯烃树脂提供了可能。
Metallocene catalysts technique provides the possibility for developing more polyolefin resins of high performance.
茂金属催化剂在全球增长非常迅速，具有广阔的应用和市场前景。
Metallocene catalysts are very rapidly increasing in the world, and have wide application and market prospects.
考察了催化剂用量和带有不同配体的稀土金属催化剂对反应的影响。
Effects of rare earth metal salts with different ligands and amount of the catalyst on the reaction were studied.
本文简要介绍了茂金属催化剂的结构特点及在聚烯烃生产中的应用。
This paper has briefly reviewed the structure and characteristics of metallocene, and its application in production of polyolefine.
以镍为活性组元，系统地研究了镍基芳烃加氢金属催化剂的抗硫性能。
The sulfur tolerance of nickel metal catalysts in aromatic hydrogenation has been studied systematically on the base of nickel active unit in this paper.
确定了负载化工艺条件并制得流动性好的类球型负载型茂金属催化剂。
Based on the technological process and support condition, the supported spherical metallocene catalyst with fine mobility was prepared.
在催化湿式氧化中应用的催化剂有贵金属催化剂和非贵金属催化剂两种。
Two kinds of catalysts, noble metal catalysts and non-noble metal catalysts, can be used in CWAO process.
介绍了贵金属催化剂与镍基催化剂在重整活性和抗积炭能力方面的差异。
Differences in catalytic activity and ability to resist coking between noble metal based catalyst and Ni based catalyst are described.
介绍了FZC系列渣油加氢保护剂和脱金属催化剂的研制、生产和工业应用。
Development, production, and commercial application of the FZC serial residue hydrotreating guard assistant and demetallization catalyst were introduced.
针对茂金属催化剂负载化过程中所产生的废溶剂开展了相关的回收工艺研究。
The recovery and reuse of waste solvent from the loading process of metallocene catalyst were studied.
本文通过实验，探讨了制备条件对渣油加氢脱金属催化剂载体机械强度的影响。
Influence preparation of parameters on crushing strength of the support for residue oil hydrodemetalation catalysts was investigated through experiments.
不仅拓宽了茂金属催化剂的应用范围，而且可开发出具有新性能的极性聚烯烃树脂。
It not only expands the application of metallocene catalysts in polymer science, but also develops a kind of polar polyolefin resin featuring new performance.
对用于原子转移自由基聚合的过渡金属催化剂近年来的研究新进展作出了评述和展望。
The recent progress in transition-metal catalyst used in atom transfer radical polymerization has been reviewed in this article.
重点对电化学氧气漂白机理和过渡金属催化剂在电化学氧气漂白中的作用进行了概述。
This paper focused on the mechanism, improvement of delignification rate of electrochemically mediated oxygen bleaching by adding transitional metal compounds.
综述了铝氧烷的制备方法及结构表征，并对其在茂金属催化剂中的作用作了详细介绍。
This paper reviewed the preparation methods and structural characterization of aluminoxane and described in details its function in metallocene catalyst system.
结果表明，三元金属催化剂的活性高于二元金属催化剂，选择性高于单元金属催化剂。
It was also shown that activity of tri metal catalyst was higher than that of bi metal one, and selectivity of Cu ni Cr catalyst was higher than that of nickel catalyst.
结果表明，三元金属催化剂的活性高于二元金属催化剂，选择性高于单元金属催化剂。
It was also shown that activity of tri metal catalyst was higher than that of bi metal one, and selectivity of Cu ni Cr catalyst was higher than that of nickel catalyst.
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