Zobrazeno 1 - 10
of 12
pro vyhledávání: '"C. O. Soares"'
Autor:
M. I. da Silva Pereira, Ana C. Tavares, C. O. Soares, M. E. Melo Jorge, Maria Deus Carvalho, Carmen M. Rangel, Roosevelt Alves da Silva, A. Gomes, Ruth Afonso
Publikováno v:
AIMS Materials Science. 4:991-1009
Perovskites are important alternatives for precious metals as catalysts for bifunctional oxygen electrodes, involving oxygen evolution (OER) and reduction (ORR) reactions as is the case of regenerative fuel cells. In this work, strontium doped lantha
Autor:
M. David, Helen J. Khoury, A S Laranjeira, V Saito, TS Cabral, L.C. Vidal, Mpa Potiens, MA Pires, C. O. Soares
Publikováno v:
Journal of Physics: Conference Series. 1826:012039
This work reports the results obtained from the comparison involving 7 laboratories in Brazil. This exercise is about the calibration service of surface contamination monitors. The monitor has been calibrated to BS ISO 7503-3, the calibration factor
Autor:
Joaquim B. Branco, C. O. Soares, António Pereira Gonçalves, T. Almeida Gasche, Ana C. Ferreira
Publikováno v:
Journal of Catalysis. 341:24-32
The study of methanol production using copper–f block element bimetallic oxides as catalysts was undertaken. Carbon dioxide and hydrogen were used as reagents, but the addition of methane to this mixture was also studied. Catalysts were obtained by
Autor:
C. O. Soares, M. V. de C. Mota, C Santos, J. C. Coura, L. P. R. Profeti, D. F. Santana, W.A.R. Nascimento, G. S. Maradini, B. R. L. Ferraz, L. G. Oliveira, A. Z. Bazzarella, E. B. Duarte, D. Profeti, D. L. Polastreli, P. S. Massariol
Publikováno v:
Blucher Physics Proceedings.
Autor:
Roosevelt Alves da Silva, C. O. Soares, M. I. da Silva Pereira, Carmen M. Rangel, Maria Deus Carvalho
Publikováno v:
Journal of Solid State Electrochemistry. 18:821-831
In this work LaNiO3 perovskite-type oxide, prepared by a self-combustion method, was optimized for activity and stability as an anode material for water electrolysis. A full electrochemical study was conducted in order to kinetically characterize ele
Autor:
Carmen M. Rangel, C. O. Soares, A. Gomes, M. I. da Silva Pereira, M. E. Melo Jorge, Ronald Silva, Maria Deus Carvalho
Publikováno v:
Electrochimica Acta. 89:106-113
LaNiO 3 film electrodes were prepared by brush painting using nickel-foam supports in order to increase its surface area available for electrochemical reactions. Loadings varying between 20 and 140 mg cm −2 were tested. Cyclic voltammetry (CV) and
Autor:
M. E. Melo Jorge, A. Gomes, Maria Deus Carvalho, M. I. da Silva Pereira, C. O. Soares, C. M. Rangel, Ronald Silva
Publikováno v:
Journal of Applied Electrochemistry. 42:325-332
LaNiO3 coatings on nickel-foam supports were prepared by brush painting. The electrochemical properties were investigated by cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS). Comparative studies were performed with LaNiO3-pell
Autor:
C. O. Soares, M. E. Melo Jorge, M. I. da Silva Pereira, A. Gomes, Carmen M. Rangel, Carvalho, Roosevelt Alves da Silva
Publikováno v:
Portugaliae Electrochimica Acta. 29:335-342
In this work LaNiO 3 oxide was prepared by a self-combustion method using citric acid. The electrodes were obtained by coating a nickel foam support with the oxide suspension. Optical microscopy and cyclic voltammetry were used on the electrodes char
Autor:
C. O. Soares, WF Cardoso, V Saito, Mario Cesar Viegas Balthar, Mpa Potiens, TS Cabral, Helen J. Khoury, Hps de Oliveira, MA Pires, AS de Amorim, RR Silveira, E Fernandes, Cnm da Silva
Publikováno v:
Journal of Physics: Conference Series. 975:012042
The results of the comparison involving 9 laboratories in Brazil are reported. The measured quantity was the air kerma in 137Cs and 60Co, at the level of radioprotection. The comparison was conducted by the National Laboratory Metrology of Ionizing R
Autor:
Ivânia T.A. Schuquel, M. C. Pereira, Lucília Kato, BR Silva Neto, D. Silva, Cma de Oliveira, CS de Freitas, C.C. da Silva, S de O Santin, Piero G. Delprete, C. O. Soares
Publikováno v:
Planta Medica. 78