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  1. The rare-earth elements (REE), also called the rare-earth metals or rare earths or, in context, rare-earth oxides, and sometimes the lanthanides (although scandium and yttrium, which do not belong to this series, are usually included as rare earths), are a set of 17 nearly indistinguishable lustrous silvery-white soft heavy metals.

  2. A determinação da concentração relativa de terras raras é usada em Geologia para a determinação da fonte dos magmas que constituem as rochas ígneas e para a datação de alguns minerais, entre os quais as granadas, através da abundância relativas do par neodímio / samário .

  3. Esta é a versão publicada, aprovada em 18 de dezembro de 2022. Rare Earth. It weighs 2.50 oz. Atributos: Item agrupável. Loot de: Stonerefiner.

  4. The Journal of Rare Earths publishes original research and review articles on various aspects of rare earth elements (RE). It covers topics such as RE chemistry, physics, materials, applications, geology, and more.

  5. 12 de jun. de 2024 · Learn about the 16 rare-earth elements, their discovery, history, and applications in modern technology. Find out why they are not so rare and where they are produced and refined.

  6. 1 de jul. de 2019 · Rare-earth elements (hereinafter referred to as REE) are a group of seventeen chemical elements in the periodic table, in particular the fifteen lanthanides as well as yttrium and scandium as defined by the International Union of Pure and Applied Chemistry (IUPAC).

  7. 16 de jan. de 2023 · Learn how rare earth metals fine-tune light and generate powerful magnetic fields in modern technology. Discover the sources, demand and environmental impacts of these crucial components in electronics, lasers, magnets and more.

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