• 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.

    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。

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  • Transition metal catalyst composition is discussed with emphasis.

    重点讨论了过渡金属催化剂的组成。

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  • A multi metal catalyst for hydrogenation of residue oil was prepared.

    介绍了渣油加氢多金属催化剂的研制过程。

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  • Finally, the noble metal catalyst selected for CO laser is introduced.

    最后介绍CO激光器选用的贵金属催化剂。

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  • The surface acidity or basicity of six-component transition metal catalyst was studied.

    六组分过渡金属氧化物催化剂的表面酸碱性测定。

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  • The invention discloses a carbon-supported metal catalyst and a preparation method thereof.

    本发明公开了一种碳载型金属催化剂及其制备方法。

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  • A new kind of non noble metal catalyst for the oxygen electrode of alkaline fuel cells was investigated.

    报道了一种新的碱性燃料电池氧电极的非贵金属催化剂。

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  • Silicone waxes were hydrosilylated from polyhydrosiloxane and olefins in the presence of metal catalyst.

    在金属催化剂的作用下,以烯烃和含氢硅油为原料,利用硅氢加成反应合成有机硅蜡。

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  • The paper presents the preparation of non-noble metal catalyst for Light paraffine isomerization at low temperature.

    对轻质烷烃低温异构化非贵金属催化剂制备进行了研究。

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  • For precious metal catalyst, composite catalyst based on precious metal should be developed. The utilization rate of…

    对于贵金属催化剂,应大力开发与贵金属复合的多元催化剂,提高贵金属利用率,降低贵金属负载量。

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  • The present invention may find its wide application in preparing superfine transition metal catalyst and metal alloy.

    本发明将会在超细过渡金属颗粒催化剂和金属合金制备领域有很好的应用前景。

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  • The recent progress in transition-metal catalyst used in atom transfer radical polymerization has been reviewed in this article.

    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。

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  • The present invention relates to the preparation of binuclear olefin polymerizing post-metallocene post-transition metal catalyst.

    本发明是关于双核后过渡金属“茂后”烯烃聚合催化剂的制备。

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  • The invention provides a noble metal catalyst which is used for hydrogen preparation by a water steam reforming of methanol at high temperature.

    本发明提供了一种用于高温甲醇水蒸气重整制氢过程的贵金属催化剂。

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  • The ferromagnetic hydrogenating catalyst is selected from non-crystalline nickel alloy, Raney nickel or magnetic carrier loaded noble metal catalyst.

    所说具有铁磁性的加氢催化剂选自镍系非晶态合金、阮内镍或磁性载体负载的贵金属催化剂。

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  • The novel methods for synthesis of ethoxylated fatty alcohol carboxylate (AEC) by catalytic oxidation with a stable free radical nitroxide or a noble metal catalyst were reviewed.

    详细介绍了氮氧自由基催化氧化法和贵金属催化氧化法合成脂肪醇醚羧酸盐。

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  • In this paper, research work on mesopore activated carbon fiber at home and abroad is reviewed. Methods of pore size control such as activating process, metal catalyst and nonmetal add...

    综述了中孔活性碳纤维的国内外研究进展,着重介绍了活化工艺法、金属催化法、非金属添加剂法等制备方法。

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  • Many causes can account for oil's ageing, such as types of oil, its temperature, the contacting part with oxygen, metal catalyst, water content of oil-fried food and the processing styles.

    产生油脂老化的主要因素有油脂的种类、油温、与氧气接触面积、金属催化剂、油炸物水分含量和加工方式等。

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  • The formaldehyde can be prepared from methanol in the presence of a metal catalyst such as silver, copper and the like, and can also be separated from the oxidation products of hydrocarbons.

    甲醛可由甲醇在银、铜等金属催化下脱氢或氧化制得,也可由烃类氧化产物分出。

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  • The nano double-metal catalyst prepared by the preparation method has the advantages of uniform granularity of active ingredient grains, small grain diameter range and high catalytic activity.

    其制备方法制备的纳米双金属催化剂具有活性组分粒子粒度均匀,粒径分布窄,催化活性高的优点。

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  • The nano double-metal catalyst prepared by the preparation method has the advantages of uniform granularity of active ingredient grains, small grain diameter range and high catalytic activity.

    其制备方法制备的纳米双金属催化剂具有活性组分粒子粒度均匀,粒径分布窄,催化活性高的优点。

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