Results 41 to 50 of about 19,320 (212)

Floatation separation of galena, sphalerite, and pyrrhotite by combined depressant CCSL

open access: yes工程科学学报, 2017
The flotation separation of galena, sphalerite, and pyrrhotite was investigated with CCSL as a depressant. Flotation test results show that galena and sphalerite can float but pyrrhotite can barely float with CCSL as a depressant.
BAI An-ping, SONG Yong-sheng, ZHOU He
doaj   +1 more source

Enrichment in critical metals (In-Ge) and Te-Se in epithermal deposits of the 'La Carolina' district, San Luis, Argentina [PDF]

open access: yes, 2018
This study was supported by the ‘Proyecto de Ciencia y Técnica P-3-2-0414, of the National University of San Luis’ and by the Project CGL2016-76532-R from the MINECO of ...
Cepedal Hernández, María Antonia   +3 more
core   +2 more sources

Sulfide breccias from the Semenov-3 hydrothermal field, Mid-Atlantic Ridge: authigenic mineral formation and trace element pattern [PDF]

open access: yes, 2018
The aim of this paper is the investigation of the role of diagenesis in the transformation of clastic sulfide sediments such as sulfide breccias from the Semenov-3 hydrothermal field (Mid-Atlantic Ridge).
Artemyev, Dmitry   +11 more
core   +3 more sources

Zn minerals in magnesite rocks of the Murandavskaya formation, Far East Russia [PDF]

open access: yesМинералогия
The paper presents the results of mineralogical-petrographic and electron microscopic studies of magnesite rocks of the Murandavskaya Formation (Far East Russia).
E.A. Rozhkova, M.O. Kim, I.A. Blinov
doaj   +1 more source

Bioleaching of pollymetallic sulphide concentrate using thermophilic bacteria [PDF]

open access: yesHemijska Industrija, 2014
An extreme thermophilic, iron-sulphur oxidising bacterial culture was isolated and adapted to tolerate high metal and solids concentrations at 70°C.
Vuković Milovan   +4 more
doaj   +1 more source

Frontier Advances of Emerging High‐Entropy Anodes in Alkali Metal‐Ion Batteries

open access: yesAdvanced Functional Materials, EarlyView.
Recent advances in microscopic morphology control of high‐entropy anode materials for alkali metal‐ion batteries. Abstract With the growing demand for sustainable energy, portable energy storage systems have become increasingly critical. Among them, the development of rechargeable batteries is primarily driven by breakthroughs in electrode materials ...
Liang Du   +14 more
wiley   +1 more source

Competitive adsorption mechanism of organic depressant SDD with BX on copper-activated sphalerite

open access: yes工程科学学报, 2018
The separation of Cu-Zn polymetallic sulfide by flotation has been a difficult and well-researched topic in the field of mineral processing. One of the important reasons why it is difficult to separate Cu and Zn is the presence of a large amount of ...
LUO De-qiang   +3 more
doaj   +1 more source

A mineral reconnaissance survey of the Abington-Biggar-Moffat-area, south-central Scotland [PDF]

open access: yes, 1979
Panned heavy mineral concentrates, mostly obtained from stream sediments, were collected from 195 sites in the Abington-Biggar-Moffat area. The project area, which lies immediately east of the formerly important mining district of Wanlockhead ...
Dawson, J., Floyd, J.D., Phillip, P.R.
core  

Enhancing Atomic‐Resolution in Electron Microscopy: A Deep Learning Denoiser Operating in the Frequency Domain

open access: yesAdvanced Intelligent Systems, EarlyView.
The newly developed AI‐automated Fast Fourier Transform denoising algorithm surpasses conventional real‐space methods by revealing even light atoms otherwise hidden in noisy backgrounds. Atomic resolution electron microscopy has become an essential tool for many scientific fields, when direct visualization of atomic arrangements and defects is needed ...
Ivan Pinto‐Huguet   +8 more
wiley   +1 more source

Two-Stage Oxidative Leaching of Low-Grade Copper–Zinc Sulfide Concentrate

open access: yesMicroorganisms, 2022
Bioleaching may be effectively used to extract nonferrous metals from sulfide ores and concentrates. At the same time, some minerals are refractory and their bioleaching rate is often comparatively low that does not allow the required metal extraction ...
Aleksandr Bulaev, Vitaliy Melamud
doaj   +1 more source

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