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物质 > 元素 > 金属 > 稀土元素

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创建的: 2002-12-12T00:00:00Z

skos:notation: 24889

稀土元素  

定义

  • Information A rare-earth element or rare-earth metal, as defined by IUPAC is one of a set of seventeen chemical elements in the periodic table, specifically the fifteen lanthanides, as well as scandium and yttrium.

    来源: https://en.wikipedia.org/wiki/Rare-earth_element

    创建的: 8/14/20

     (en)

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http://aims.fao.org/aos/agrovoc/c_24889

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