The flotation techniques of tungsten minerals and its reagents were reviewed, and their applications were envisaged.

对钨矿物浮选工艺及药剂进行了评述，并对其应用前景进行了展望。

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It also said that it was working to ensure that minerals used in electronics manufacturing, like tantalum, tungsten and gold, do not come from war-torn regions.

同时，为确保优质矿产品能使用到电子制造商中，例如钽，钨和金，请不要从战争地区进货。

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Relatively rich mineral area, substantial reserves, development prospects, has been proven gold, iron, copper, tungsten, marble, etc. more than 10 minerals.

辖区内矿藏较为丰富，储量可观，开发前景广阔，现已探明的有金、铁、铜、钨、大理石等10多个矿种。

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The amount of money armed groups make off three of the main conflict minerals (tin, tantalum and tungsten) has dropped 65% over the past two years, according to a report released earlier this month, which attributes the decrease both to the efforts of the tech industry and to new legislation.

CNN: John D. Sutter,

Intel's goal is to demonstrate that its microprocessors are validated as conflict-free for tantalum by the end of 2012, and to manufacture the world's first microprocessor fully validated as conflict-free across all four minerals (gold, tantalum, tin and tungsten) by the end of 2013.

ENGADGET: Intel wants to have conflict-free processors by the end of 2013