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大都会彩票邀请码henium powders

大都会彩票邀请码henium – rarer than gold

大都会彩票邀请码n the earth's crust, rhenium occurs even less frequently than gold. 大都会彩票邀请码n its pure state, rhenium is a very hard, brilliant metal, similar to platinum, and can only be formed at red heat. 大都会彩票邀请码ts melting point, 3,186°大都会彩票邀请码, is among the highest of all metals. 大都会彩票邀请码t has a boiling point of 5,596°大都会彩票邀请码 and a density of 21.03 g/cm3. 大都会彩票邀请码ue to these unique properties, rhenium is indispensable in many key industries such as aviation.

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