以下为句子列表：
英文: 0 catalysts metal body when the manufacture, marketing.
中文: 三元催化器金属截体的制造、销售。
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英文: A comparison of the polypropylene decomposition results with the different catalysts showed that composite catalysts had better catalytic results for the pyrolysis of the polypropylene.
中文: 通过比较几种不同催化剂的催化结果发现，复合催化剂有更好的催化效果。
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英文: Abstract: Application status and trends in hydrodesulfurization (HDS) and olefine hydrogenation catalysts are reviewed.
中文: 文摘:综述了国内外加氢转化催化剂的开发应用现状和发展趋势。
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英文: Abstract: In this paper,the preparation of the catalysts for the oxidation of Fluorene to Fluoreone is studied.The influences of the dipping time,calcining temperature,calcining time and the air quantity during the calcination are discussed.
中文: 文摘:研究了用工业芴气相氧化制取芴酮的催化剂制作条件，考察了浸渍时间、煅烧温度、煅烧时间和煅烧空气量对催化剂制作的影响.
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英文: A series of Fe/MnO catalysts (Fe/Mn=/) moditied with K, Cu,Co, Pd and Rh for CO hydrogenation were prepared to obtain a higher selectivity to low molecular weight olefins.
中文: 研究了一系列K、Cu、Co、Pd和Rh改性的Fd/MnO催化剂（Fe／Mn＝／）的CO加氢性能以获得更多的C~=_～C~=_低碳烯烃。
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