• 1. refractory ore: 难选矿石 | 耐火矿石
• 2. Pyritic refractory ore: 难处理硫铁矿
• 3. complex refractory ore: 复杂难选矿石

更多释义

• 1.Some basic theories on the optimum design of refractory ore digestion equipment were investigated.
  文中就难浸出矿石最佳浸出设备的设计等基础理论进行了研究。
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• 2.Copper-bearing colloidal pyrite ore is a refractory ore. The metallurgical performances of copper flotation are very low.
  含铜胶状黄铁矿矿石是十分难选的矿石，铜浮选指标很低。
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• 3.This paper makes use the original system of pretreating refractory ore by hot-press oxidation to extract gold by cyanide process.
  通过试验研究，提出了利用难处理矿石的热压氧化预处理的原有体系直接进行氰化提金的新工艺。
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