The best working surface touch the ores directly, which have superior magnetic field performance index, thus can get the best magnetic separating results.
工作面直接与矿物接触，工作面磁场性能指标优良，能取得选矿效果；
The result matches the designed magnetic index. These provide important theory warranty for setting up pulse high magnetic field.
结果表明，与设计的磁场指标基本相符，对脉冲强磁场装置的实施提供了重要的理论依据。
The effects of magnetic field intensity and grinding granularity on magnetic separation index of fe were investigated.
考查了磁场强度、磨矿细度对铁分选指标的影响。
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