The results were that the ore dilution and loss were decreased, the recovery was increased, the cost of mining was reduced, and good economic and social results were obtained.
降低了矿石的贫化损失，提高了回收率，减少了采矿成本，获得了良好的经济效益和社会效益。
Ore cost for all town buildings is reduced by 1.
所有本方城镇建设时矿石消耗量- 1。
By using drilling in pit, ore reserve classification is increased, risks of underground mining engineering are reduced and avoided.
主要阐述了矿区通过实施坑内钻探，提高储量级别，降低和避免井下采矿工程风险，节约了成本，增加了效益。
For iron ore, the yield of coarse fraction was obviously reduced after irradiation.
铁矿石则表现为辐照后粗粒级产率明显降低。
Using sponge iron reduced by iron ore concentrate powder as raw material, the smelting process of pure iron is investigated through non vacuum induction furnace and vacuum induction furnace.
以由铁精矿粉直接还原出来的海绵铁为原料，以非真空感应炉和真空感应炉为冶炼设备，对纯铁的冶炼工艺进行了研究与试验。
The paper introduces a continuous car type furnace for direct reduction of iron ore. Coal-containing iron ore pellets are laid on cars and carried to pass through furnace to be heated and reduced.
介绍一种用于铁矿直接还原的台车连续炉，含碳球团料层铺在台车上并通过炉膛进行焙烧和还原。
The ore-forming fluid had weak reducibility. Race elements of arsenopyrite and pyrite were reduced by ore-forming fluid with the evolution. There were relatively high LREE and low HREE.
毒砂、黄铁矿微量元素含量呈现出随着成矿流体从早期到晚期的演化而减少，并普遍亏损高场强元素，富集LREE的特征；
The process and production mechanism of reduced iron powder from mill scale and iron ore was described. Finally, it was compared the characters of different grades of reduced iron powder.
系统地介绍了由铁鳞制取还原铁粉的工艺过程，原理，及各种牌号还原铁粉的性能对比。
The process and production mechanism of reduced iron powder from mill scale and iron ore was described.
系统地介绍了由铁鳞制取还原铁粉的工艺过程，原理，及各种牌号还原铁粉的性能对比。
The process and production mechanism of reduced iron powder from mill scale and iron ore was described.
系统地介绍了由铁鳞制取还原铁粉的工艺过程，原理，及各种牌号还原铁粉的性能对比。
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