以下为句子列表：
英文: Substances that are forbidding and limiting imported must not be found in the imported iron ores. For example, ferric oxide peels, rubbish, scrasp plastic and waste paper.
中文: 进口铁矿石中不得含有禁止或是限制进口的物质。例如：氧化铁削、垃圾、废塑料和废纸的物质。
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英文: This article analyzes the mineralization mechanism of the uranium ore, constructs a series of spectra indexes including the ferric oxide index, the ferrous oxide index, the oxidation index, clay mineral index, brightness index, the green index and the hum
中文: 通过分析铀矿的成矿机理，构建了氧化铁指数、氧化亚铁指数、氧化指数、粘土矿物指数、亮度指数、绿度指数和湿度指数等一系列光谱指数，提取了研究区氧化带、还原带、地下水补给与局部排泄的分布和范围，从而圈定了铀矿成矿的有利区。
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英文: To comnter the problem of high grinding energy, rapid flow of material, low ratio of material to grinding media, and bad ball coating in common open circuit ferric oxide tube mill, ferric oxide superfine grinding technology markedly increase grinding effi
中文: 摘要针对普通开流氧化铁管磨机在氧化铁生产过程中存在电耗高，流速快，料球比低、严重糊磨等问题，通过在磨内设里高效筛分装兰，采用料位调节、微型钢段等技术措施，极大地改善了磨内粉磨工况，提高了粉磨效率。
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英文: Preparation of nano ferric oxide with high purity;
中文: 高纯纳米氧化铁红的制备
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