包头铁矿尾矿中铌和稀土氧化物含量分别为0。
The contents of niobium and the total amount of rare earths in the tailings of Baotou iron ores are 0.
总结了峨口铁矿尾矿砂的应用现状和改善措施。
The tailings applied situation and improvement of Ekou Iron Mine are summarized.
从化学组成上看，鄂西赤铁矿尾矿、粘土、高岭土满足制砖的要求。
From the chemical composition aspect, all of hematite tailings in western Hubei, clay and Kaolin are feasible to produce tiles.
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