根据我们提供的精矿砂品位的技术资料，很多企业都计划用依安的高品位石英砂。

Many enterprises are planning to use the high grade quartz sand from Yi'an after their studying the technology data presented by us.

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本发明涉及一种粉煤灰和炉渣的综合性利用的方法，特别是涉及一种从 粉煤灰或炉渣中提取铁精矿砂的方法。

The invention relates to a method for the comprehensive utilization of fly ash and slag, in particular to a method for extracting the iron concentrate ore from the fly ash or the slag.

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钴矿砂及其精矿。

Cobalt ores and concentrates.

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钛矿砂及其精矿。

Titanium ores and concentrates.

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锌矿砂及其精矿。

Zinc ores and concentrates.

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镍矿砂及其精矿。

Nickel ores and concentrates.

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铅矿砂及其精矿。

Lead ores and concentrates.

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铝矿砂及其精矿。

Aluminium ores and concentrates.

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铀或钍矿砂及其精矿。

Uranium or thorium ores and concentrates.

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铬矿砂及其精矿。

Chromium ores and concentrates.

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铜矿砂及其精矿。

Copper ores and concentrates.

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锡矿砂及其精矿。

Tin ores and concentrates.

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钼矿砂及其精矿。

Molybdenum ores and concentrates.

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铁矿砂及其精矿，包括焙烧黄铁矿。

Iron ores and concentrates, including roasted iron pyrites.

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贵金属矿砂及其精矿。

Precious metal ores and concentrates.

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其他矿砂及其精矿。

Other ores and concentrates.

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其他矿砂及其精矿。

Other ores and concentrates.

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