Results 21 to 30 of about 33,668 (314)
Revista de Metalurgia, 2005 El asentamiento minero San Pedro Frío, Colombia, es una región rica en minerales auroargentíferos. Actualmente, los mineros de la región emplean procesos de tratamiento como amalgamación, cianuración por percolación y precipitación con viruta de zinc.
J. J. Yáñez Traslaviña +3 more
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Potencial en recursos minerales del territorio continental de la República Argentina (Cu, Mo, Pb, Zn, Au, Ag, Li, K, B) [PDF]
, 2021 Fil: Zappettini, Eduardo O. Servicio Geológico Minero Argentino. Instituto de Geología y Recursos Minerales; Argentina.Fil: Gozalvez, Martín R. Servicio Geológico Minero Argentino.
Zappettini, Eduardo O. +1 more
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Heterocoagulation and SPS sintering of sulfonitric-treated CNT and 8YZ nanopowders
Journal of Asian Ceramic Societies, 2019 Reinforcement of ceramic composites using carbon nanotubes (CNT) has been extensively studied for materials such as Al2O3, Si3N4 and tetragonal ZrO2.
Sofía Gómez +5 more
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Estudios Geologicos, 1986 Se ha realizado un estudio termodinámico sobre la formación de la prehnita en doleritas triásicas. A partir del diagrama establecido se propone que su formación es debida a una alteración hidrotermal, que ha afectado a las fracturas post-triásicas de la ...
V. Ferrer-Vidal, X. Solans
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Dissolution of Black Copper Oxides from a Leaching Residue
Metals, 2020 This article presents the behavior of black copper minerals in reducing acid leaching using FeSO4 as reducing agent. The original sample, which was a blend of green and black copper minerals, was treated first by an oxidizing acid leach using O3 to ...
Víctor Quezada +5 more
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FEBS Open Bio, EarlyView.Miniaturized flow chip platform enabling continuous perfusion and longitudinal multiphoton 3D imaging of vascular smooth muscle cell constructs under physiological flow. Brightfield imaging guides region selection, while CellTracker Green and mRuby‐labeled fetuin‐A visualize cells and mineral deposition, respectively. Magnesium supplementation markedly
Vytautas Kučikas +6 more
wiley +1 more source
Associations of Rheumatoid Arthritis Disease Activity With Frailty Over Five Years of Follow‐up
Arthritis Care &Research, EarlyView.Objective To evaluate whether rheumatoid arthritis (RA) disease activity is associated with frailty both in cross‐section and longitudinally. Methods Participants within the Veterans Affairs Rheumatoid Arthritis (VARA) registry enrolled from 2003 to 2022 were included.
Courtney N. Loecker +14 more
wiley +1 more source
Elementos del grupo del platino y sus minerales. Modelos de depósitos en la Argentina y en el mundo [PDF]
, 2007 Fil: Villar, Luisa María. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Argentina.Fil: Segal, Susana J. Servicio Geológico Minero Argentino (SEGEMAR).
Villar, Luisa María, Segal, Susana J.
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Arthritis Care &Research, EarlyView.Objective To investigate the association between rheumatoid arthritis (RA) and coronary artery calcium (CAC) prevalence, incidence, and progression over four years in adults without prior cardiovascular disease. Methods A case‐cohort study within the Brazilian Longitudinal Study of Adult Health (ELSA‐Brasil) included 585 participants (86 patients with ...
Patrícia Fonseca Estrada +7 more
wiley +1 more source
Optimal fluorite/gypsum mineralizer ratio in Portland cement clinkering
Materiales de Construccion, 2016 This paper presents an analysis of the joint effect of fluorite and gypsum as mineralizers in the manufacture of Portland cement. A laboratory- scale Box-Behnken statistical design was used to quantify the effects of the explanatory variables fluorite ...
J. I. Tobón +2 more
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