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substanțe > elemente chimice > metale > pământuri rare (elemente chimice)

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创建的: 2020-08-10T22:09:53.387+02:00

pământuri rare (elemente chimice)  

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

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

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