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: A detailed discussion of amorphous alloy catalyst in hydrogenation of unsaturated compound is presented.
中文: 对于非晶态合金催化剂在含有不饱和基团化合物加氢反应中的研究、应用进行了阐述。
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英文: A novel catalyst has been explored, and was applied in the production of sulfuric acid by reasonable packing and operation with a total conversion 99.7%, which was comparable with the foreign product.
中文: 研制了新型催化剂，并通过合理装填、操作用于硫酸生产，总转化率达到99.7%以上，使用效果不亚于国外产品。
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英文: A pilot test was carried out on a fixed-bed reactor for catalytic cracking of hydrocracking bottoms over self-developed catalyst.
中文: 摘要以加氢尾油为原料，在固定床反应器上利用自制催化裂解催化剂进行中试试验。
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