As atividades humanas, inevitavelmente, causam no meio ambiente alterações com as quais é preciso saber lidar e gerenciar. Com a evolução dos processos industriais, estas alterações ambientais passaram a ocorrer em larga escala, devido principalmente […]
Writers: A.A. Felix, E. Longo, J.A. Varela, M.O. Orlandi Keywords: CaCu3Ti4O12; Thin film; Conductivity; Gas sensing; Thermopower measurement Abstract: In this work, CaCu3Ti4O12 (CCTO) thin films were synthesized with the polymeric precursor method and characterized […]
Writers: Maria Suely Costa da Câmara, Lidiane Alves Pimentel, Elson Longo, Luciano da Nobrega Azevedo, Dulce Maria de Araújo Melo Keywords: Espinela; Li2CoTi3O8; Pigmento inorgánico; Método Pechini; Nanométrico; Spinel; Li2CoTi3O8; Inorganic pigment; Pechini method; Nanometer […]
Writers: M.D.P. Silva, R.F. Gonçalves, I.C. Nogueira, V.M. Longo, L. Mondoni, M.G. Moron, Y.V. Santana, E. Longo Keywords: Ag2WO4; Ag2MoO4; Photoluminescence; Morphology; Raman spectroscopy Abstract: Ag2W1 -xMoxO4 (x = 0.0 and 0.50) powders were synthesized […]
Writers: R.S. Andréa, S.M. Zanetti, J.A. Varela, E. Longo Keywords: CaZrO3; Calcium zirconate; Chemical method; Humidity sensor Abstract: CaZrO3 stoichiometric and non-stoichiometric (CaO- and ZrO2-excess) powders were synthesized by a chemical method which is based on polymeric precursors. The mesoporous material […]
Writers: E. Govea-Alcaidea, J.E. Pérez-Fernándeza, I.F. Machadob, R.F. Jardimc, Keywords: Bi-based superconductor; Granular material; Spark-plasma sintering; Finite element method; Transport properties Abstract: Pre-reacted powders of (Bi–Pb)2Sr2Ca2Cu3O10+δ (Bi-2223) were consolidated by using the spark plasma sintering (SPS) technique […]
Writers: Henry Roncancio, André C. Hernandes, Marcelo Becker Abstract: training; pipelines; accuracy Abstract: This paper presents an exploration of the ceiling analysis of machine learning systems. It also provides an approach to the development of pedestrian […]
Writers: Silvanice A. Lopes, Natali. A. Cruz, Daniela C. Manfroi, Rafael G. Dias, Margarete S. Silva, Maria A. Zaghete, Ademir dos Anjos, Alberto A. Cavalheiro, Lincoln C.S. Oliveira Keywords: Titanium dioxide; Polymeric precursor method; Iron-doping; Photocatalysts Abstract: The […]
Writers: Glenda Biasotto, Maria G.A. Ranieri, Cesar R. Foschini, Alexandre Z. Simões, Elson Longo, Maria A. Zaghete Keywords: Ceramics; Chemical synthesis; Crystal growth Abstract: Good quality zinc oxide ZnO films were deposited on alumina substrates by the polymeric […]
Writers: Alexsandro Mendes Zimer, Matheus A.S. De-Carra, Lucia Helena Mascaro, Ernesto Chaves Pereira Keywords: in situ optical microscopy; AISI 1040 steel; Pitting corrosion; Digital image processing Abstract: This work presents a method to study corrosion reactions in real […]
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