Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Mauro Roberto Fernandes"'
Publikováno v:
Materials Research, Vol 8, Iss 1, Pp 51-56 (2005)
To understand the principles of polymer modification and its interference in the formation of some phases of Portland cement composites, several techniques are adopted such as Fourier Transform Infrared Spectroscopy and Thermogravimetric Analysis. In
Externí odkaz:
https://doaj.org/article/3ccb6d6d03b342fa921423dcb3a26380
Autor:
Mauro Roberto Fernandes
Publikováno v:
Biblioteca Digital de Teses e Dissertações da USPUniversidade de São PauloUSP.
Este trabalho foi dividido em duas partes, sendo que na primeira (PARTE A) estão apresentadas as sínteses dos polímeros PPV, Cl-PPV, Br-PPV e dos co-polímeros (Cl-PPV)m / (PPV)n e (Br-PPV)m / (PPV)n nas seguintes relações m:n de 30:70; 50:50 e
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
Pt/IrO2 bifunctional catalysts synthesized with varying Pt:Ir ratios and characterized using several techniques, including energy dispersive X-ray spectroscopy, transmission electrons microscopy, X...
Autor:
Marcus Vinicius Castegnaro, Jonder Morais, Benjamin Balke, Waldemir J. Paschoalino, Mauro Roberto Fernandes, Maria do Carmo Martins Alves, Edson A. Ticianelli
Publikováno v:
Langmuir. 33:2734-2743
The increasing global needs for clean and renewable energy have fostered the design of new and highly efficient materials for fuel cells applications. In this work, Pd-M (M = Pd, Cu, Pt) and Pt nanoparticles were prepared by a green synthesis method.
Autor:
Matheus Sonego Temp, Joaquim Cezar Pizzuti dos Santos, Mauro Roberto Fernandes, Rogerio Cattelan Antocheves de Lima
Publikováno v:
Matéria (Rio de Janeiro), Volume: 23, Issue: 3, Article number: e12159, Published: 18 OCT 2018
Matéria (Rio de Janeiro) v.23 n.3 2018
Matéria (Rio de Janeiro. Online)
instacron:RLAM
Matéria (Rio de Janeiro) v.23 n.3 2018
Matéria (Rio de Janeiro. Online)
instacron:RLAM
RESUMO Nesse trabalho, apresentam-se valores de Fator de Calor Solar (FS) e da Transmitância da Luz Visível (Tv). para dezesseis tipos de vidros translúcidos e para seis tipos de policarbonatos translúcidos, utilizados no Brasil. Foram realizados
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::09f4e2972bfc4433efd7148166bbe4c3
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-70762018000300412&lng=en&tlng=en
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-70762018000300412&lng=en&tlng=en
Autor:
Marco Cremona, M. Costa Carreira, Lucimara S. Roman, R. Reyes, Jarem Raul Garcia, Eduardo Rezende Triboni, Roberto G. S. Berlinck, P. Berci Filho, Mauro Roberto Fernandes, Ivo A. Hümmelgen
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
The synthesis and characterization of the 4-(2-fenoxi-p-xileno)-N-methyl-1,8-naphthalimide, referred to here as NPOX, is described in this work. The characterization of NPOX was performed using proton nuclear magnetic resonance spectroscopy ( 1 H NMR
Autor:
Mauro Roberto Fernandes
Publikováno v:
Biblioteca Digital de Teses e Dissertações da USP
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
Este trabalho foi dividido em duas partes, sendo que na primeira (PARTE A) estão apresentadas as sínteses dos polímeros PPV, Cl-PPV, Br-PPV e dos co-polímeros (Cl-PPV)m / (PPV)n e (Br-PPV)m / (PPV)n nas seguintes relações m:n de 30:70; 50:50 e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cd7c2d898c03b53416a13a04c50b899d
https://doi.org/10.11606/t.75.2002.tde-13042007-171301
https://doi.org/10.11606/t.75.2002.tde-13042007-171301
Publikováno v:
Synthetic Metals. 156:529-536
Halogen-substituted poly( p -phenylene vinylene) (PPV) and copolymers containing halogen-substituted PPV were chemically synthesized via Wessling and Wittig routes, respectively. FTIR, 1 H NMR, UV–vis and fluorescence spectroscopies and electrochem
Publikováno v:
Materials Research, Vol 8, Iss 1, Pp 51-56 (2005)
Materials Research, Volume: 8, Issue: 1, Pages: 51-56, Published: MAR 2005
Materials Research v.8 n.1 2005
Materials research (São Carlos. Online)
Universidade Federal de São Carlos (UFSCAR)
instacron:ABM ABC ABPOL
Materials Research, Volume: 8, Issue: 1, Pages: 51-56, Published: MAR 2005
Materials Research v.8 n.1 2005
Materials research (São Carlos. Online)
Universidade Federal de São Carlos (UFSCAR)
instacron:ABM ABC ABPOL
To understand the principles of polymer modification and its interference in the formation of some phases of Portland cement composites, several techniques are adopted such as Fourier Transform Infrared Spectroscopy and Thermogravimetric Analysis. In
Publikováno v:
Thin Solid Films. 474:279-284
This paper describes the oxidation process (chemical doping) of the poly( p -phenine vinylene) (PPV) by using iodine vapor, sulfuric acid and ferric chloride to determine the vibrational and electronics modifications caused by the polymer backbone ox