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Rare Earth est un groupe rock américain produit par la Motown, qui connut un pic de popularité dans les années 1970. Leurs plus grands succès sont les chansons Get Ready et I Just Want to Celebrate .
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.
Elles présentent des réserves totales de 9,4 Mt à des teneurs de 140 à 6500 ppm OTR+Y (Verplanck et Hitzman, 2016). Les principaux pays producteurs d’éléments des terres rares sont la Chine, les États-Unis, le Myanmar (Birmanie), l’Australie et le Madagascar.
24 juin 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.
16 janv. 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.
A precise definition of rare earth elements (REEs) and in-depth discussion of how common REEs are, worldwide REE production, and current REE production. Portal for information on annual production, price, and use of rare earth elements since 1997, plus links to further information.
15 mars 2024 · Learn about the uses, production and international context of rare earth elements (REE), a group of 17 metals with diverse applications in electronics, clean energy and more. Canada has some of the largest reserves and resources of REEs in the world, but China dominates global production and refining.
