Results 151 to 160 of about 18,694 (284)

Arsenopyrite removal from pyrite concentrate using pulsating high gradient magnetic separation

open access: yesResults in Physics, 2018
Pyrite concentrate has been the mineral resource for sulfur acid production in China, and arsenopyrite as one of the arsenic-containing minerals, was usually found in the pyrite ores, resulting in the serious environmental problems in the production ...
Fangping Ye   +3 more
doaj  

Reduction in Transport of Fine Pyrite Cinder by Hydrogen Gas

open access: bronze, 1967
Minoru Tanaka   +2 more
openalex   +2 more sources

On the Relationships between the Structure Types Pyrite, Marcasite, and Arsenopyrite. [PDF]

open access: bronze, 1970
Gunnar Brostigen   +4 more
openalex   +1 more source

Nuclear magnetic resonance properties of silica glass under pressure up to 2 Mbar: A view from ab initio calculations

open access: yesJournal of the American Ceramic Society, Volume 108, Issue 7, July 2025.
Abstract The structures of silica (SiO2) glasses at high pressure provide insight into the thermo‐mechanical properties of chemically complex amorphous oxides upon stress, compression, and indentation. While much of our knowledge on glass structures has been garnered from high‐resolution solid‐state nuclear magnetic resonance (NMR) by probing the ...
Jae‐Hyeon Parq   +4 more
wiley   +1 more source

Qualitative screening for redox‐sensitive elements in groundwater using the presence or absence of rust on irrigation center pivots

open access: yesAgrosystems, Geosciences &Environment, Volume 8, Issue 2, June 2025.
Abstract Groundwater contaminants that can negatively impact human health, such as nitrate, uranium, arsenic, and manganese, are common in agricultural areas. The mobility and distribution of these contaminants in groundwater are strongly impacted by oxidation‐reduction (redox) processes.
Jeffrey P. Westrop
wiley   +1 more source

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