Results 11 to 20 of about 35,448 (218)

Chemical reactions and conditions of mineral formation at tailings storage facilities of the Russian Far East

Горные науки и технологии, 2021
Cassiterite-sulfide and polymetallic deposits of the Far Eastern Region (FER) were mined by both openpit and underground methods. This resulted in the emerging numerous mine workings and tailings storage facilities (TSFs) (abandoned without reclamation ...
V. P. Zvereva, K. R. Frolov, A. I. Lysenko   +2 more
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Characterization of Polysulfides, Polysulfanes, and Other Unique Species in the Reaction between GSNO and H₂S

Molecules, 2019
Glutathione-based products, GSnX, of the reaction of hydrogen sulfide, H2S, S-nitroso glutathione, and GSNO, at varied stoichiometries have been analyzed by liquid chromatography high-resolution mass spectrometry (LC-HRMS) and chemical trapping ...
Murugaeson R Kumar, Patrick J Farmer
doaj   +1 more source

Effects of sulfur and tin contents on hardness of copper-tin alloy under reduced atmosphere in sintering process

Mechanical Engineering Journal, 2016
Sintered materials are commonly used in industrial equipment, including bearing components. These materials include bimetals consisting of steel backed sintered bronze lined bushings.
Tomohiro SATO, Yoshimasa HIRAI
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Atomically Dispersed Platinum Modulated by Sulfide as an Efficient Electrocatalyst for Hydrogen Evolution Reaction

Advanced Science, 2021
Catalytically active metals atomically dispersed on supports presents the ultimate atom utilization efficiency and cost‐effective pathway for electrocatalyst design.
Kai Ling Zhou, Chang Bao Han, Zelin Wang, Xiaoxing Ke, Changhao Wang, Yuhong Jin, Qianqian Zhang, Jingbing Liu, Hao Wang, Hui Yan   +9 more
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GOLD-SULFIDE MINERALIZATION OF QUARTZ VEINS IN GRANITES OF THE SOUTH SUKHTELYA GOLD OCCURRENCE (SOUTH URALS) [PDF]

Минералогия
The paper considers mineralogical and geochemical features of gold-sulfide mineralization of quartz veins in granites of the Katsbakh complex in the South Sukhtelya gold occurrence (South Urals). The sulfide content of quartz veins varies from 1 to 3 vol.
S.I. Bryukhov, D.A. Artem’yev, I.A. Blinov, N.R. Ayupova, A.S. Tseluyko   +4 more
doaj   +1 more source

Recent Progress in Metal-Organic Framework-Derived Chalcogenides (MX; X = S, Se) as Electrode Materials for Supercapacitors and Catalysts in Fuel Cells

Energies, 2022
Supercapacitors (SCs) are recognized by high power densities and significantly higher cyclic stability compared to batteries. However, the energy density in SCs should be improved for better applications and commercialization.
Halima Alnaqbi, Oussama El-Kadri, Mohammad Ali Abdelkareem, Sameer Al-Asheh   +3 more
doaj   +1 more source

MINERALOGY OF THE VORONTSOVSKOE GOLD DEPOSIT (NORTHERN URALS). PART 2: NATIVE ELEMENTS, SULFIDES, ARSENIDES, TELLURIDES [PDF]

Минералогия, 2021
The paper continues a series of publications devoted to the mineralogy of the Vorontsovskoe gold deposit in the Northern Urals (Kasatkin et al., 2020).
A.V. Kasatkin, S.Yu. Stepanov, M.V. Tsyganko, R. Škoda, F. Nestola, J. Plášil, E. Makovicky, A.A. Agakhanov, R.S. Palamarchuk   +8 more
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RbEr₂AsS₇: A Rubidium-Containing Erbium Sulfide Thioarsenate(III) with (S₂)²⁻ Ligands According to RbEr₂S(S₂)[AsS₂(S₂)]

Inorganics, 2023
The new rubidium-containing erbium sulfide thioarsenate(III) with the structured formula RbEr2S(S2)[AsS2(S2)] was obtained from the syntheses of elemental erbium (Er), arsenic sesquisulfide (As2S3) and rubidium sesquisulfide (Rb2S3) with elemental sulfur
Katja Engel, Thomas Schleid
doaj   +1 more source

Green oxidation of sulfides by dioxide Molybdenum(VI) Schiff base anchored on Fe3O4 nanoparticles in solvent-free condition [PDF]

شیمی کاربردی روز, 2019
In this research work, magnetite nanoparticles were prepared, functionalized with molybdenum(VI) salophen complex and characterized using physico-chemical technique. The prepared nanocatalyst was tested for catalytic oxidation of sulfides.
Abolfazl Bezaatpour, Narges Bozari, Sahar Khatami   +2 more
doaj   +1 more source

Aziridine Ring Opening as Regio- and Stereoselective Access to C-Glycosyl-Aminoethyl Sulfide Derivatives

Molecules, 2022
A short synthetic route to stereoselective access to C-glycosyl-aminoethyl sulfide derivatives has been developed through the reaction of tributhyltin derivatives of glycals with aziridinecarboaldehyde and the regioselective ring opening of a chiral ...
Aleksandra Tracz, Martyna Malinowska, Stanisław Leśniak, Anna Zawisza   +3 more
doaj   +1 more source