نتایج جستجو برای: rare earth element
تعداد نتایج: 520409 فیلتر نتایج به سال:
CoSb3-based filled skutterudite has emerged as one of the most viable candidates for thermoelectric applications in automotive industry. However, the scale-up commercialization of such materials is still a challenge due to the scarcity and cost of constituent elements. Here we study Ce, the most earth abundant and low-cost rare earth element as a single-filling element and demonstrate that, by ...
1 Terrestrial Paleoclimatology Research Group, Department of Geosciences, Baylor University, Waco, TX, United States, 2 Messel Research and Mammalogy Department, Senckenberg Research Institute and Natural History Museum Frankfurt, Frankfurt, Germany, 3 Department of Earth Sciences, University of Minnesota, Minneapolis, MN, United States, 4 Department of Anthropology, University of Minnesota, Mi...
Abstract This paper is dedicated to the isotope-geochemical study of zircon from riebeckite granites Verkhnee Espe rare earth-rare metal deposit and specification its U–Pb age. Zircon massif peculiar in high content non-formula elements (up 43000 ppm REE, up 22000 Y, others) demonstrates a clearly expressed heterogeneous structure. The central rim zones show “magmatic” rare-earth element (REE) ...
The origin and geodynamic setting of the Maden Complex, which is situated in the Bitlis–Zagros Suture Zone in the Southeast Anatolian Orogenic Belt, is still controversial due to lack of systematic geological and geochemical data. Here we present new whole rock major–trace–rare earth element data from the Middle Eocene volcanic rocks exposed in Maden Complex and discuss their origin in the ligh...
Economic rare earth element bearing-heavy mineral accommodation in alluvial deposits (stream sediments) is a well-known process caused by varying rates of weathering and transportation heavy minerals sediments, which significant geochemical exploration. In the present work, stream sediment samples from Wadi Lethi, Sharm El-Sheikh, were systematically collected. The collected sediments investiga...
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