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Mostrando ítems 1-10 de 1983
Morphological Characterization of Brazilian Organ Clays Using AFM and SEM Studies
(2013-05)
A combination of SEM (Scanning Electron Microscopy) and AFM (Atomic Force Microscopy) techniques was used to characterise the morphology of Brazilian montmorillonites before and after intercalation of some organic compounds. ...
Identification of surface processes in individual minerals of a complex ore through the analysis of polished sections using polarization microscopy and x-ray photoelectron spectroscopy (Xps)
(MDPI, 2018-09-28)
Understanding the changes of a mineral during ore processing is of capital importance for the development of strategies aimed at increasing the efficiency of metal extraction. This task is often difficult due to the ...
Applied mineralogy of zirconium minerals: a case study of alkaline intrusion in SE-Brazil
(2021-05-01)
Abstract: Brazil has important zirconium resources when compared with other countries. However, most of the zirconium production in Brazil occurs as coproduct of the mining and processing of heavy mineral sands for the ...
Scanning electron microscopy evaluation of the hard tissue barrier after pulp capping with calcium hydroxide, mineral trioxide aggregate (MTA) or ProRoot MTA
(Wiley-Blackwell Publishing, Inc, 2009-08-01)
The aim of this study was to investigate the morphology and localisation of calcium hydroxide- and mineral trioxide aggregate (MTA)-induced hard tissue barriers after pulpotomy in dogs' teeth. Pulpotomies were performed ...
Scanning electron microscopy evaluation of the hard tissue barrier after pulp capping with calcium hydroxide, mineral trioxide aggregate (MTA) or ProRoot MTA
(Wiley-Blackwell Publishing, Inc, 2009-08-01)
The aim of this study was to investigate the morphology and localisation of calcium hydroxide- and mineral trioxide aggregate (MTA)-induced hard tissue barriers after pulpotomy in dogs' teeth. Pulpotomies were performed ...
Polypropylene nanocomposites reinforced with organophilic clay and brazilian nut fibers
(New York: Wiley , 2014, 2015)
Scanning electron microscopy evaluation of the hard tissue barrier after pulp capping with calcium hydroxide, mineral trioxide aggregate (MTA) or ProRoot MTA
(Wiley-Blackwell Publishing, Inc, 2014)
Oxidative dissolution of chalcopyrite by Acidithiobacillus ferrooxidans analyzed by electrochemical impedance spectroscopy and atomic force microscopy
(Elsevier B.V., 2004-08-01)
The microbiological leaching of chalcopyrite (CuFeS2) is of great interest because of its potential application to many CuFeS2-rich ore materials. However, the efficiency of the microbiological process is very limited ...