Manaoshan Fe Mn polymetallic ore deposit occurs in the bottom of Qiziqiao formation.
玛瑙山铁锰多金属矿床产于棋梓桥组底部层位中，矿体呈似层状。
The heavy metals adsorption capacity varied with types of Mn oxide minerals in the Fe Mn nodules.
结核中所含锰矿物类型不同，对重金属离子吸附的能力不一样。
A mathematical model is developed to analyze the movement of Fe Mn alloy in a bottom stirred ladle, the melting process and trajectories of alloying addition movement are calculated.
建立了底吹钢包内加入合金后的运动过程数学模型，计算了铁锰合金颗粒在吹氩钢包内的熔化过程和运动轨迹。
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