Results 1 to 10 of about 447,531 (230)
Quantum Information Processing, 2014 It is well-known that entanglement of formation (EOF) and relative entropy of entanglement (REE) are exactly identical for all two-qubit pure states even though their definitions are completely different. We think this fact implies that there is a veiled
Jung, Eylee, Park, DaeKil
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Forum Mathematicum, 2011 We introduce a rank 3 geometry for any Ree group over a not necessarily perfect field and show that its full collineation group is the automorphism group of the corresponding Ree group.
Haot, Fabienne +2 more
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Formation of giant carbonatite rare earth deposits controlled by deep-seated magma chambers [PDF]
Nature CommunicationsCarbonatite-associated rare earth element (REE) deposits are currently the primary source of REE resources. Their formation requires REE enrichment during prolonged magma evolution, achieved by suppressing REE-rich mineral crystallization and promoting ...
Shuo Xue +9 more
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Effect of Rare Earth Cerium Addition on Oxidation Behavior of Co-Al-W Alloys at 800°C [PDF]
Archives of Metallurgy and Materials, 2022 The γ/γ′ Co-based alloys are a new class of cobalt superalloys, which are characterized by remarkable high temperature strength owing to strengthening by γ′-Co3(Al, X) phases.
D. Migas, T. Liptáková, G. Moskal
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New ore-magmatic ring-type structure in the Muzkol-Rangkul anticlinorium, Central Pamir
Известия высших учебных заведений: Геология и разведка, 2023 Background. The minerogenic specialization of the Muzkol-Rangkul anticlinorium consists in industrial gemstone deposits of ruby, cordierite, almandine, aquamarine, topaz, tourmaline, scapolite, etc. Large ore objects in this area are unknown.
A. K. Litvinenko, Sh. A. Odinaev
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JGEET: Journal of Geoscience, Engineering, Environment and Technology, 2021 Gabbro, is a fossil remnant of oceanic crust in western part of Java, found at Bayah Geological Complex (BGC) and Ciletuh Melange Complex (CMC), Indonesia.
Aton Patonah +2 more
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Ecological and health risk assessments of rare earth elements in soil from gold mining areas in Sudan [PDF]
E3S Web of Conferences, 2023 The increasing demand for rare earth elements (REE) has led to increased mining activities, which may result in potential ecological and health risks. Our objective was to evaluate the potential ecological and analyze the health risks associated with REE
Ahmed Minas Elfatih +6 more
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Characterization of steel slag by SEM-EDS, XRD, and INAA
Brazilian Journal of Radiation Sciences, 2021 Steel slag is considered a by-product of the steel industry and its reuse is a strategy for environmental protection, since it consists of potential polluting materials.
Diogo Teixeira Moreira +2 more
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THORIUM, URANIUM AND RARE EARTH MINERALIZATION IN ROCKS OF THE UGAKHAN GOLD DEPOSIT, BODAIBO ORE REGION [PDF]
Минералогия, 2021 The paper reports on the results of studies of ore-bearing rocks of the Ugakhan gold deposit (Bodaybo district): metasandstones, metasiltstones and carbonaceous shales.
E.V. Shepel +3 more
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Записки Горного института, 2022 Based on a package of modern analysis methods, the influence of various acids and energy effects on the morphology, elemental composition, structural and chemical transformations of the mineral surface, and the efficiency of eudialyte concentrate ...
Valentin A. Chanturiya
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