raw ore

Then the structure and property of raw ore were studied by means of optical microscope, scanning electro-microscope, XRD, multi-elements analysis and chemical phase analysis.

并通过光学显微镜、扫描电镜、XRD图谱、化学多元素分析及化学物相分析等手段研究了原矿的结构及性质。

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the factory produces copper matte regulus from raw ore.

这家工厂从原矿中生产铜锍。

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China has become a major country in producing and exporting refractory products and raw materials. Much foreign exchange has been earned. But zircon ore, chrome ore and some high grade refractories still need to be imported from abroad.

我国已成为耐火制品与原料的生产和出口大国，为国家获取了较多外汇，但锆矿、铬矿与少量高级耐火材料仍需要进口。

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raw ore cannot be used directly in blast furnace. it must be prepared beforehand.

原矿是不能直接用于高炉冶炼的，必须事先对之加工处理。

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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。

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explorationof ways for raw ore quality control and raising ore grade

控制原矿质量提高原矿输出品位途径探讨

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The grade of a raw ore is the basis of ore milling and ore dressing.

原矿品位是矿石加工和选矿流程的主要依据.

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High quality raw ore and reasonable treating process are the guarantee for quality of diatomite.

优质的原矿和合理的精制工艺是保证硅藻土质量的前提.

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In the processing and utilization of rare-earth minerals, radioactive thorium series is in radioactive equilibrium basic state in raw ore, concentrate and mineral processing tailings, but in the rare earth products, enrichment, Ce-rich slag and smelting waste, the thorium series is non-radioactive state.

在稀土矿物在加工利用中，原矿、精矿和选矿尾矿中，放射性钍系基本处于放射性平衡状态，但在稀土产品、富集物、富铈渣和冶炼废渣中，钍系处于非放射性状态。

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As the main raw material, the rapid rise of iron ore price in recent years leads to serious threats and challenges to steel industry of China.

作为钢铁的主要原材料铁矿石，其价格近几年的飞速上涨给中国钢铁产业带来了很大的威胁和挑战。

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Fused magnesia can be obtained from raw materials through melting with arc furnace. It is a very important step to transport the ore to the arc furnace in the smelting process.

菱镁矿原料通过矿热炉进行熔炼，可得到电熔氧化镁，将矿石输送到电弧炉中是冶炼过程的重要一环。

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Experimental research on the threshold velocity of raw ore particles

矿料颗粒起动风速的实验

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Demand for ore, the raw material for steel, is a central pillar of economic growth.

作为炼钢原料,铁矿石需求是经济增长的重大支柱.

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Currently Mongolia is exporting iron ore as its raw material.

蒙古国出口未加工的铁矿石原料。

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