本发明涉及二元烷基苯磺酸稀土催化剂及制法和应用。
The invention relates to a binary alkyl benzene sulfonic acid rare earth catalyst, a preparation method and the application thereof.
然而，树状大分子合成难度大，稀土催化剂也存在易潮解之不足。
However, dendrimer catalysts are not easily synthesized and rare earth Lewis acid catalysts are easily deliquescence.
本发明涉及用于制备聚异戊二烯的磺酸稀土催化剂及制法和应用。
The invention relates to sulfonic acid rare earth catalyst used for preparing polyisoprene and preparation method and application thereof.
属于制备聚异戊二烯的稀土催化剂及制法和制备聚异戊二烯的方法。
This invention belongs to rare earth catalyzer for preparing polyisoprene, and its preparation method.
本文叙述了778型颗粒状汽车尾气净化稀土催化剂的研究和应用。
The preparation and field-test of the 778-type granular rare-earth catalyst for the treatment of auto exhaust gases have been studied.
本文研究了用稀土催化剂聚合得到的聚乙烯（稀土聚乙烯）的结构及性能。
The physical properties of polyethylene obtained with rare earth catalyst have been studied by various methods.
稀土催化剂是一种稳定性好、选择性高、很活泼的催化剂，在石油的催化裂解方面得到了广泛的应用。
The growth of CNTS( carbon nanotubes) by catalytically cracking ethylene in the presence of the supported catalyst doped with rare earth samaria is reported.
一种用于聚合高顺式异戊二烯橡胶的磺酸稀土催化剂，其特征在于该催化剂是由苯磺酸钕稀土配合物及烷基铝组成；
The invention relates to a sulfoacid rare earth catalyst for polymerizing high-cis-isoprene rubber and a preparation method thereof.
综述了HG-1稀土催化剂应用情况，并从理论上进行了分析，认为HG-1稀土催化剂是一种性能十分优良的催化剂。
The application of HG-1 type rare-earth catalyst was reviewed, analysis of this catalyst was carried out theoretically and experinmentally, and it is proved to be a good catalyst.
主要介绍了稀土汽车尾气净化催化剂及其净化的方法、原理，及当前国内外对稀土催化剂在汽车尾气净化中的研究与应用现状。
In this paper, the rare earth catalyst of automobile tail gas purification and the method, mechanism and present research and application at home and broad are introduced.
用稀土催化剂得到的顺-1，4-聚丁二烯具有顺式含量高，支化度小及分子链结构规整性好等特点。 在常温下为非晶态，但在低温下易于结晶，因而具有较高的力学性能。
Cis 1,4-polybutadiene synthesized by rare-earth catalyst has high cis content, high degree of molecular reqularity and low degree of branching.
全面系统地考察了在层柱稀土固体酸催化剂上甲醇和环氧乙烷醚化反应。
Etherification of methanol with ethylene oxide (EO) was investigated systematically on the pillared rare earth solid acid catalyst.
稀土元素对钯催化剂的修饰能够极大地促进丙烯腈选择性气相加氢制丙腈的活性和稳定性。
The modification of rare earth elements to palladium catalysts leaded to great promotion on both the activity and stability in selective gas hydrogenation of acrylonitrile to propionitrile.
稀土元素以其特殊的物理和化学性质在汽车尾气三效净化催化剂（TWC）中获得了广泛应用。
Doped rare earth oxides have been widely used in three-way catalyst(TWC) for purification of automobile exhausts because of its special properties.
研究了含铜-稀土氧化物的非贵金属蜂窝状催化剂，目的是用于含烃类工业废气的净化。
To abate the pollution of industrial waste gases, containing CO and organic hydrocarbons, a copper-rare earth oxide catalyst of monolithic form was developed.
实验结果表明，苯在稀土钙钛矿型催化剂上完全氧化反应的反应级数为1。
The experimental result shows that the reaction order of the exhaustive oxidation of Benzene over rare-earth perovskite structure catalyst is 1.
该炉可用于精细化工(例如催化剂)、电池材料、稀土材料等行业。
This oven is suited to industries like fine chemical engineering (e. g. catalyst), power battery material and rare earth material.
本发明属于催化剂领域，公开了一种稀土纳米复合催化剂及其制备方法和应用。
The invention belongs to the field of catalysts, and discloses a rare earth nano-composite catalyst, a preparation method and application thereof.
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.
介绍一种新型稀土氨合成催化剂，它具有低温、低压、高活性、高抗毒性。
A new ammonia synthesis catalyst with rare earths, which is suitable for condition of low temperature and low pressure, highly activated and poison proof, is introduced.
提出今后应重点开发稀土固体酸、固体超强酸、杂多酸及分子筛环境友好催化剂的建议。
It was suggested that development emphasis of environmental friendly catalysts be on rare earth solid a...
为提高芳香族硝基化合物氢化催化剂的性能，在单铜催化剂中引入稀土元素。
Rare earths were introduced into mono-copper catalyst to improve the performance of hydrogenation catalyst for aromatic nitro-compounds.
对稀土铈和钼酸铋不同比例的催化剂下，丙烯选择催化呈现的比较复杂的动力学行为，给出统一合理的机理。
The result of selective oxidation of propylene exhibits comparatively complex behaviors, at different BiCe ratios of the catalyst. An unified reaction mechanism is presented in this article.
钙钛矿型稀土氧化物催化剂具有较好的催化活性，成本低廉，在替代传统的贵金属催化剂净化汽车尾气方面潜力巨大。
Rare earth perovskite-type oxide catalyst as a substitute for traditional rare metal catalyst has a great potential to purify automotive emission due to good catalytic activity and low cost.
采用稀土元素部分或全部取代贵金属是研制开发三效汽车排气净化催化剂的重要方向。
Authors propose that the partial or whole replacement of noble metals by rare earth elements is an important direction in the future developments of emission control three way catalysts.
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.
稀土对催化活性的促进作用证明是由于稀土可以提高催化剂的表面酸性。
The facilitation of rare earth for catalytic activity was proved to be the cause of that the rare earth could increase the surface acidity of catalysts.
用乙酸和正丁醇为原料，以不溶性杂多酸稀土盐为催化剂合成了乙酸丁酯。
Catalyzed by insoluble rare earth salts of heteropoly acid, butyl acetate have been synthesized from butanol and acetic acid.
开发金属合金载体，以及新型单钯催化剂、过渡金属型或稀土钙钛矿型催化剂是今后三效催化剂研究的热点。
Developing alloy supporters, new Pd-only TWC, transition metal oxides and alkaline earth oxides as promoters will be the research points for TWC.
开发金属合金载体，以及新型单钯催化剂、过渡金属型或稀土钙钛矿型催化剂是今后三效催化剂研究的热点。
Developing alloy supporters, new Pd-only TWC, transition metal oxides and alkaline earth oxides as promoters will be the research points for TWC.
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