一种常见的氧化铁矿石，是针铁矿、赤铁矿和纤铁矿的混合物。
A widely occurring iron oxide ore; a mixture of goethite and hematite and lepidocrocite.
一种常见的氧化铁矿石，是针铁矿、赤铁矿和纤铁矿的混合物。
The pyrite and siderite associated with the ores have been oxidized into limonite, hemitite and goethite.
研究高铝褐铁矿石的工艺矿物学特性及其对铝铁分离的影响。研究结果表明，铁矿物主要为针铁矿和赤铁矿；
Mineralogy characteristics and separation technologies of aluminum and iron of high-aluminum iron ores were investigated. The results show that iron minerals are hematite and goethite mainly.
在相同条件下，赤铁矿石较磁铁矿石易于被还原成还原铁粉。
Under the same conditions, hematite is easier to be reduced than magnetite.
本研究采用不同的还原剂对赤铁矿石和磁铁矿石进行了固态下碳还原研究。
Carbon reduction at solid state of hematite and magnetite by various reducers are investigated.
本研究采用不同的还原剂对赤铁矿石和磁铁矿石进行了固态下碳还原研究。
Carbon reduction at solid state of hematite and magnetite by various reducers are investigated.
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