Ultramafic xenoliths from the Bearpaw Mountains, Montana, USA: evidence for multiple metasomatic events in the lithospheric mantle beneath the Wyoming craton [PDF]
, 2004 Ultramafic xenoliths in Eocene minettes of the Bearpaw Mountains volcanic field (Montana, USA), derived from the lower lithosphere of the Wyoming craton, can be divided based on textural criteria into tectonite and cumulate groups. The tectonites consist
Abidin, M.S.Z. +11 more
core +2 more sources
Journal of Thermal Science and Technology, 2022 Solar thermochemical energy storage systems, utilize the entire spectrum of solar radiation to drive endothermic chemical reactions, have received great interest in concentrated solar power applications during the past years.
Genta TSURUMAKI +8 more
doaj +1 more source
Electronic structure and physical properties of the spinel-type phase of BeP2N4 from all-electron density functional calculations [PDF]
, 2011 Using density-functional-theory-based ab initio methods, the electronic structure and physical properties of the newly synthesized nitride BeP2N4 with a phenakite-type structure and the predicted high-pressure spinel phase of BeP2N4 are studied in detail.
B. Delley +7 more
core +1 more source
Mechanisms of electrical polarization of disordered systems based on Al-substituted LiFe-oxospinel
Фізика і хімія твердого тіла, 2021 The temperature-frequency dependences of the dielectric permittivity and conductivity of Li2O-Fe2O3-Al2O3 ceramics in the temperature range of 298-648 K were obtained by impedance spectroscopy.
A.V. Vakalyuk +3 more
doaj +1 more source
Synthesis of Spinel-Hydroxyapatite Composite Utilizing Bovine Bone and Beverage Can
Crystals, 2022 Spinel-based hydroxyapatite composite (SHC) has been synthesized utilizing bovine bones as the source of the hydroxyapatite (HAp) and beverage cans as the aluminum (Al) source.
Agus Pramono +3 more
doaj +1 more source
The Origin and Significance of Reverse Zoning in Melilite from Allende Type B Inclusions [PDF]
, 1984 In many Type B Allende inclusions, melilite is reversely-zoned over restricted portions of each crystal. Textural relationships and the results of dynamic crystallization experiments suggest that the reverselyzoned intervals in these Type melilites ...
Grossman, Lawrence +3 more
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Cu-Mg-Fe-O-(Ce) complex oxides as catalysts of selective catalytic oxidation of ammonia to dinitrogen (NH3-SCO) [PDF]
, 2020 Multicomponent oxide systems 800-Cu-Mg-Fe-O and 800-Cu-Mg-Fe-O-Ce were tested as catalysts of selective catalytic oxidation of ammonia to dinitrogen (NH3-SCO) process.
Górecka, Sylwia +5 more
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Novel Nanosized Spinel MnCoFeO4 for Low-Temperature Hydrocarbon Oxidation
Nanomaterials, 2022 The present paper reports on MnCoFeO4 spinels with peculiar composition and their catalytic behavior in the reactions of complete oxidation of hydrocarbons. The samples were synthesized by solution combustion method with sucrose and citric acid as fuels.
Vencislav Tumbalev +6 more
doaj +1 more source
Electronic structure and optical band gap of CoFe2O4 thin films
, 2012 Electronic structure and optical band gap of CoFe2O4 thin films grown on (001) oriented LaAlO3 have been investigated. Surprisingly, these films show additional Raman modes at room temperature as compared to a bulk spinel structure.
Padhan, P. +2 more
core +3 more sources
Hydrogen production by methanol steam reforming on NiSn/MgO-Al 2O3 catalysts: The role of MgO addition [PDF]
, 2011 The effect of the magnesia loading on the surface structure and catalytic properties of NiSn/MgO-Al2O3 catalysts for hydrogen production by methanol steam reforming has been investigated. The catalysts have been obtained by impregnation of γ-Al2O3 by the
Bobadilla Baladrón, Luis Francisco +7 more
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