Results 11 to 20 of about 471,805 (284)

Iron oxide synergistic vacuum carbothermal extraction of zinc from zinc sulfide [PDF]

open access: yesJournal of Mining and Metallurgy. Section B: Metallurgy
To reduce the issues of high pollutant emissions and lengthy processes in extracting zinc from zinc sulfide ore, a new technical approach involving the synergistic use of iron oxide and vacuum carbothermal reduction to extract zinc from zinc sulfide ore ...
Ma H.-Z.   +6 more
doaj   +2 more sources

Physical Properties of Zinc Compounds Obtained by Electrolytic Method

open access: yesФізика і хімія твердого тіла, 2021
The influence of the chemical composition of the electrolyte and its temperature on the process of sythesis of nanosized zinc compounds by electrolytic method using zinc electrodes was investigated.
A.V. Lysytsya   +4 more
doaj   +1 more source

Formation of iron sulfide at faecal pellets and other microniches within suboxic surface sediment. [PDF]

open access: yes, 2010
Faecal pellet deposition and bioturbation may lead to heterogeneously distributed particles of localized highly reactive organic matter (microniches) being present below the oxygen penetration depth.
Stockdale, Anthony   +2 more
core   +4 more sources

Characterization of lacustrine iron sulfide particles with proton-induced X-ray emission. [PDF]

open access: yes, 1992
Black particles, collected by filtration (1.2~pm pore size) from the anoxic waters of a soft-water lake, were examined by a scanning proton microprobe which permitted quantitative elemental analysis by proton-induced X-ray emission (PIXE) and Rutherford ...
Grime, G. W., Woof, C., Davison, W.
core   +5 more sources

Energy gap estimation of zinc sulfide metal chalcogenide nanostructure semiconductor using genetically hybridized support vector regression

open access: yesAIP Advances, 2021
Zinc sulfide is a metal chalcogenide semiconductor with promising potentials in environmental sensors, short wavelength light emitting diodes, biomedical imaging, display light sources, transistors, flat panel displays, optoelectronics, and ...
Nahier Aldhafferi
doaj   +1 more source

Research Paper: Calculation of the Electronic and Optical Properties of ZnX (X=Se, S) Nano-layer Using Density Functional Theory [PDF]

open access: yesفیزیک کاربردی ایران
In this study, the optical and electronic properties of bulk and nano-layer of zinc selenide (ZnSe) and zinc sulfide (ZnS) are investigated. The calculations for solving the many-body Schrodinger equations are performed in the framework of density ...
Arefeh Esfandiari Nejad   +2 more
doaj   +1 more source

Influence of structural and textural features of ores and rocks on mine dust explosion hazard during development of pyrite deposits [PDF]

open access: yesE3S Web of Conferences, 2020
In the practice of mining works, sulfide-dust explosions often occur during underground development of pyrite ore deposits: copper-zinc, lead-zinc, copper-nickel, antimony, and others. This makes it necessary to conduct researches aimed at improvement of
Rylnikova Marina   +2 more
doaj   +1 more source

On the chemical biology of the nitrite/sulfide interaction [PDF]

open access: yes, 2015
The authors are grateful to the Susanne-Bunnenberg-Stiftung of the Düsseldorf Heart Center (to MK), the COST action BM1005 (European Network on Gasotransmitters), and the Faculty of Medicine, University of Southampton (to MF) for financial support ...
Fernandez, B.O.   +4 more
core   +1 more source

Thio- and Dithio-Biuret Precursors for Zinc Sulfide, Cadmium Sulfide, and Zinc Cadmium Sulfide Thin Films

open access: yes, 2016
Zinc and cadmium complexes of 1,1,5,5-tetraalkyl-2-4-dithiobiurets [M(N(SCNR2)2)2] [M = Zn, R = methy (1), ethyl (2) and M = Cd, R = methyl (4), ethyl (5)] and 1,1,5,5-tetraalkyl-2-thiobiurets [M(SON(CNR2)2)2] [M = Zn, R = isopropyl (3) and M = Cd, R ...
James Raftery (1355160)   +4 more
core   +5 more sources

Possibilities for improving the technology of roasting zinc concentrates [PDF]

open access: yesE3S Web of Conferences
The paper presents an investigation into the oxidation process of zinc sulfide concentrate. A common challenge encountered during the fluidized calcination process is the high concentration of sulfide sulfur in the condensed products, such as the mixture
Ismailov Jonibek   +4 more
doaj   +1 more source

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