Results 41 to 50 of about 80,576 (254)

HEMATITE-CARBONATE ROCKS OF THE YUBILEYNOE MASSIVE SULFIDE DEPOSIT (SOUTH URALS): EVIDENCE OF REPLACEMENT OF SULFIDE CLASTS AND HYALOCLASTS [PDF]

open access: yesМинералогия
The article considers textural and structural features of hematite-carbonate rocks associated with carbonate-sulfide clastic ores of the Yubileynoe massive sulfide deposit, South Urals.
A.S. Tseluyko   +4 more
doaj   +1 more source

Electrochemical characterisation of 3Y-TPZ-Fe2O3 composites [PDF]

open access: yes, 2003
The influence of the addition of ferric oxide to 3Y-TZP on the conductivity and microstructure of sintered Y-stabilised tetragonal zirconia ceramics (3Y-TZP) was investigated.
Boukamp, B.A.   +3 more
core   +3 more sources

High-Temperature Mineral Formation after Firing Clay Materials Associated with Mined Coal in Teruel (Spain) [PDF]

open access: yes, 2020
The production of porcelain stoneware has experienced a considerable increase. Therefore, it was necessary to undertake an investigation that would allow knowing the mineralogical evolution that porcelain stoneware undergoes during the firing process, as
Jordán Vidal, Manuel Miguel   +3 more
core   +2 more sources

Revealing the synergy of Sn insertion in hematite for next‐generation solar water splitting nanoceramics

open access: yesInternational Journal of Ceramic Engineering & Science, 2020
Hematite nanoceramics is considered as one of the most promised materials for photoelectrochemical (PEC) water splitting due to its remarkable characteristics such as low band gap, earth abundant composition and stability. In general, the hematite design
Karen C. Bedin   +4 more
doaj   +1 more source

Facile Adjustment of Exposed Crystal Facet of Hematite Derived-From Goethite to Enhance Cr (VI) Sorption

open access: yesCrystals, 2023
The (110) facets of hematite have excellent adsorption performance for chromium. We aim to obtain hematite with a large specific surface area and exposed (110) facets by using natural needle-like goethite as the precursor.
Yuxin Li   +4 more
doaj   +1 more source

Application of homogeneously precipitated nanosized Fe-doped alumina powders to carbon nanotube growth. [PDF]

open access: yes, 2010
Homogeneous precipitation of hydroxides was investigated as an alternative method to synthesize Fe-doped aluminum oxide (α-Al2−2xFe2xO3) particles over which carbon nanotubes (CNTs) were grown via a catalytic chemical vapor deposition (CCVD) method ...
Alvarez   +23 more
core   +2 more sources

Green hematite depression for reverse selective flotation separation from quartz by locust bean gum

open access: yesScientific Reports, 2023
Reverse cationic flotation is currently the main processing technique for upgrading fine hematite from silicates. Flotation is known as an efficient method of mineral enrichment that deals with possibly hazardous chemicals.
Mehrdad Kordloo   +5 more
doaj   +1 more source

Synthetic and natural iron oxide characterization through microparticle voltammetry [PDF]

open access: yes, 2009
Se presentan los resultados de un estudio sobre el uso de la Voltametría de Micropartículas (VMP), aplicada a la identificación de óxidos y oxihidróxidos de hierro. Mediante esta técnica, fue posible diferenciar hematita, goethita, magnetita y maghemita,
Bidegain, Juan Carlos   +2 more
core   +3 more sources

Thermal conductivity calculation in anisotropic crystals by molecular dynamics : application to alpha-Fe2O3

open access: yes, 2017
In this work, we aim to study the thermal properties of materials using classical molecular dynamics simulations and specialized numerical methods. We focus primarily on the thermal conductivity \kappa using non-equilibrium molecular dynamics to study ...
Jund, Philippe, Severin, Jonathan
core   +2 more sources

Iron oxidation at low temperature (260–500 C) in air and the effect of water vapor [PDF]

open access: yes, 2009
The oxidation of iron has been studied at low temperatures (between 260 and 500 C) in dry air or air with 2 vol% H2O, in the framework of research on dry corrosion of nuclear waste containers during long-term interim storage.
A Atkinson   +50 more
core   +2 more sources

Home - About - Disclaimer - Privacy