This wire inside an electric lamp is not made of copper but it is made of tungsten.

电灯里面的电线不是铜丝而是钨丝。

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The separation of tungsten isotopes by gas centrifuge is studied.

本工作对离心法分离钨的同位素进行了研究。

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Recent great technical progresses in ion_exchange technology of tungsten metallurgy in China are reviewed.

综述了近年来我国钨冶炼离子交换工艺取得的重大技术进步。

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The company hopes to produce about 3, 000 tonnes of tungsten and tin a year.

BBC: Hemerdon mine company secures further ?50m

Current reserves of tin, of tungsten, tantalum, any other metal or mineral you care to think about.

FORBES: But Every Generation Does Indeed Exhaust Its Mineral Reserves

While China holds an abundance of tungsten that it will not export, there is still global demand for the metal.

FORBES: Feasibility Study Pegs Northcliff's Sisson Tungsten Deposit Among Largest Outside Of China