RARE EARTH ELEMENT
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Rare Earth Element Determination in Olivine by Laser Ablation Quadrupole ICP MS: An Analytical Strategy and Applications
... Olivine offers huge, largely untapped, potential for improving our understanding of magmatic and metasomatic processes. In particular, a wealth of information is contained in rare earth element (REE) ...
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The Application of Geophysical Inversion Techniques to the Nechalacho Rare Earth Element Deposit, NT
... gravitational field data and new techniques for obtaining reference models via lateral interpolation to create an updated subsurface density model for the Thor Lake region. These techniques also have been implemented on ...
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Robust Multi Objective Optimization of Chromatographic Rare Earth Element Separation
... Rare earth elements are strategic commodities in many countries, and an im- portant resource for the growing modern technology ...of rare earth element processing, and this work is a ...
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Rare Earth Element Phases in Bauxite Residue
... from bauxite residue, REEs have been indicated to occur in calcium titanate phases that were created 171.. in the Bayer process.[r] ...
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Improving the Photoelectric Characteristics of MoS2 Thin Films by Doping Rare Earth Element Erbium
... It is important to note that the PL intensity of the Er: MoS2 film is almost twice as strong as that of the undoped film, i.e., the doping of Er in MoS2 can largely improve the absorptio[r] ...
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Remarkably Consistent Rare Earth Element Grades at Round Top Yttrofluorite Deposit
... The rare earth elements (REEs) are non-replaceable ingredients in many current and emerging critical technologies including lasers, high-strength permanent mag- nets, optical fibers, catalysts, fuel cells, ...
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Performance Evaluation of ZnO based Rare Earth Element Doped Thin Films
... In DMS materials, a small fraction of a host semiconductor cation is substituted by magnetic ions. We chose as semiconducting host the transparent ZnO, with a bandgap of 3.3 eV at room temperature. Studies on ZnO doped ...
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Improvement of Corrosion Resistance of Magnesium Alloys by Surface Film with Rare Earth Element
... Our group has focused the effect of rare earth elements (REs) on the corrosion resistance of Mg metal and alloys. 2) The corrosion resistance of Mg metal against salt water was remarkably improved by the ...
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Bed and suspended sediment-associated rare earth element concentrations and fluxes in a polluted Brazilian river system
... 65 The Ipojuca River is one of the most polluted rivers in Brazil. For instance, suspended sediment- 66 associated Pb fluxes have been reported as exceeding those in rivers affected by mining activities (Silva et 67 al. ...
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Rare Earth Element Geochemistry of Stream Sediments from Pegmatite Terrain of Ijero- Ekiti, Southwestern Nigeria: Implications for Source Rocks and Paleo-Oxidation Conditions
... Abstract-- Rare earth and trace element compositions of stream sediments samples from Ijero Ekiti, Southwest, Nigeria were analyzed using Inductively Coupled Plasma Mass Spectrometer ...light ...
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Composite Materials Based on Ultrahigh Molecular Weight Polyethylene and Rare-Earth Element Oxides
... as rare-earth elements oxides (REE oxides), including gadolinium, dysprosium and tungsten oxides, was developed in this ...of rare earth oxides into the matrix of ultrahigh molecular polymer ...
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Rare earth element concentrations in dissolved and acid available particulate forms for eastern UK rivers
... Rare earth elements (REE) are important in relation to general understanding of the hydrochemical functioning of the elements in the ...and element fluxes to the ocean (Brooking, 1989; Dupré et ...
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The PedS2/PedR2 Two-Component System Is Crucial for the Rare Earth Element Switch in Pseudomonas putida KT2440
... of rare earth elements (REEs) of the lanthanide series (Ln 3⫹ ), we have recently re- ported that the transcription of the genes encoding the Ca 2⫹ -utilizing enzyme PedE and the Ln 3⫹ -utilizing enzyme ...
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Bioaccumulation of Rare Earth Element by Water Lettuce (Pistia Stratiotes)
... capabilities prove that plants are able to take up rare earth elements into their various parts. Plants that reside near abandoned mining sites show an ability to accumulate toxic metals and metalloids. ...
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Rare earth element systematics in ancient and modem hydrothermal systems
... geochemical significance of on-axis diffuse fluids, in addition to those formed during the waning phases of hydrothermal systems and off-axis crustal ageing processes, has been investiga[r] ...
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Microprobe Mapping of Rare Earth Element Distribution in Round Top Yttrofluorite Deposit
... The invaluable electronic, optical, and chemical properties enabled by compounds incorporating the rare earth elements (REEs) are prime drivers of new and emer- gent technologies. Advanced REE-based ...
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Physicochemical study of extractants for extraction of rare earth element
... the rare earth elements in the earth’s ...other rare earth elements through oxidation (forming CeO 2 ) followed by variable solubility ...
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Rare earth element geochemistry of outcrop and core samples from the Marcellus Shale
... In this work, the geochemistry of the rare earth elements (REE) was studied in eleven outcrop samples and six, depth-interval samples of a core from the Marcellus Shale. The REE are classically applied ...
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Recycling of Rare Earth Magnet Waste by Removing Rare Earth Oxide with Molten Fluoride
... A rare earth element isolated by using solvent extraction is precipitated as oxalates to be ...electrolysis. Rare earth metals are regenerated by using the molten salt ...electrolysis. ...
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Depression Among Pregnant Latinas In South Carolina
... turn, rare earth element (REE) and high field strength element (HFSE: Nb, Ta, Hf, Zr, Ti) concentrations of mantle peridotite are thought to be relatively insensitive to ...trace ...
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