Zobrazeno 1 - 10 of 13 pro vyhledávání: '"Hélio Scatena Júnior"'
1
Akademický článek
PARÂMETROS CINÉTICOS DA DEGRADAÇÃO TÉRMICA DE COMPLEXOS ENTRE PERCLORATOS DE TERRAS RARAS COM LACTAMA
Autor: Anne Michelle Garrido PEDROSA, Mary Kalina Sarmento BATISTA, Filipe Martel Magalhães BORGES, Léa Barbieri ZINNER, Hélio SCATENA JÚNIOR, Dulce Maria de Araújo MELO
Publikováno v: Eclética Química, Vol 27, Iss 1 (2018)
Complexos de percloratos à base de terras raras com a 2-azaciclononanona (AZA) foram obtidos a partir da reação entre os respectivos sais hidratados com a AZA (proporção molar 1:8) pelo método de difusão de vapor e caracterizados por titulaç
Externí odkaz: https://doaj.org/article/b0df9a0feb724589a21372efcfb48f71
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2
Akademický článek
Reação de geração de oxigênio em eletrodos de Mn2O3 suportados em aço inoxidável Oxygen evolution reaction on Mn2O3 electrodes supported on stainless steel
Autor: Hamilton Varela, Giuseppe A. Câmara, Hélio Scatena Júnior, Ernesto R. Gonzalez
Publikováno v: Química Nova, Vol 23, Iss 6, Pp 721-726 (2000)
A study of the kinetics of oxygen evolution in alkaline conditions from ceramic films of Mn2O3 supported on stainless steel was carried out. This study has been done through the determination of transfer coefficients, Tafel slopes and exchange curren
Externí odkaz: https://doaj.org/article/2216ed69242447d69637e78aadaa30c8
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3
Akademický článek
Electrochemical behavior of steel-FeNbC composites used in the production of oxygen
Autor: Ariadne de Souza Silva, Antonio Eduardo Martinelli, Hélio Scatena Júnior, Jorge Herbert Echude Silva, Clodomiro Alves Júnior, Michele Portela Távora
Publikováno v: Materials Research, Vol 8, Iss 2, Pp 151-153 (2005)
The electrocatalytic properties of steel-FeNbC composites were evaluated after potentiostatic ageing with the purpose of establishing the potential use of such materials as electrodes for the industrial production of oxygen. The effect of processing
Externí odkaz: https://doaj.org/article/ccf50ee737134616911d87cb2698e9c1
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5
An Evaluation of the Corrosion Behavior of Orthodontic Ni-Ti Archwires as a Function of Residence Time in the Oral Cavity
Autor: Daniel A. Macedo, Hélio Scatena Júnior, Kathia Maria Fosenca de Britto, Rubens M. Nascimento, Antonio Eduardo Martinelli
Publikováno v: ECS Transactions. 50:99-112
The objective of the present study was to evaluate the effect of the residence time in the oral cavity on the electrochemical and microstructural properties of nickel-titanium superelastic and thermoelastic archwires aiming at establishing optimum tr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::64af54fe10bc1a1bffbadb1c13795970
https://doi.org/10.1149/05050.0099ecst
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6
Applications of micelle and microemulsion systems containing aminated surfactants synthesized from ricinoleic acid as carbon-steel corrosion inhibitors
Autor: Everlane Ferreira Moura, Alexandre Gurgel, Tereza Neuma de Castro Dantas, Alcides de Oliveira Wanderley Neto, Hélio Scatena Júnior
Publikováno v: LOCUS Repositório Institucional da UFV
Universidade Federal de Viçosa (UFV)
instacron:UFV
The high affinity of surfactant molecules to adsorb onto interfaces is responsible for their applications in several interfacial systems. For this reason, surfactants can be used as good corrosion inhibitors in metallic surfaces. The main objective o
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a2cdde1f01cfde8add2046e3f4bf2636
https://doi.org/10.1016/j.colsurfa.2009.03.031
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7
Thermoanalytical investigations about the metal–amino acid interactions
Autor: Robson F. de Farias, Claudio Airoldi, Hélio Scatena Júnior
Publikováno v: Journal of Inorganic Biochemistry. 73:253-257
The adducts CdCl2·xGly (x=1, 2; Gly=glycine) were synthesized and characterized by IR spectroscopy, thermogravimetry (TG) and differential scanning calorimetry (DSC). The bisadduct was prepared in a water medium and the monoadducts were isolated wit
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fd6997591f67f6392d53270bc904e18f
https://doi.org/10.1016/s0162-0134(99)00023-9
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8
Electrochemical behavior of steel-FeNbC composites used in the production of oxygen
Autor: Antonio Eduardo Martinelli, Clodomiro Alves Júnior, Hélio Scatena Júnior, Jorge Herbert Echude Silva, Michele Portela Távora, Ariadne de Souza Silva
Publikováno v: Materials Research, Vol 8, Iss 2, Pp 151-153 (2005)
Materials Research, Volume: 8, Issue: 2, Pages: 151-153, Published: JUN 2005
Repositório Institucional da UFRN
Universidade Federal do Rio Grande do Norte (UFRN)
instacron:UFRN
Materials Research v.8 n.2 2005
Materials research (São Carlos. Online)
Universidade Federal de São Carlos (UFSCAR)
instacron:ABM ABC ABPOL
The electrocatalytic properties of steel-FeNbC composites were evaluated after potentiostatic ageing with the purpose of establishing the potential use of such materials as electrodes for the industrial production of oxygen. The effect of processing
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4dd6cd2ad6a7881b091f8c352feef99a
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392005000200010
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9
Preparation and application of self-assembled systems containing dodecylammonium bromide and chloride as corrosion inhibitors of carbon-steel
Autor: Everlane Ferreira Moura, Afonso Avelino Dantas Neto, Tereza Neuma de Castro Dantas, Hélio Scatena Júnior, Alcides de Oliveira Wanderley Neto, Alexandre Gurgel
Publikováno v: LOCUS Repositório Institucional da UFV
Universidade Federal de Viçosa (UFV)
instacron:UFV
The application of surfactant systems as inhibitors of corrosion on metallic surfaces is discussed in this work. The focus is now driven to the influence of cationic surfactants’ counterions on the adsorption mechanism at carbon-steel surfaces. The
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4ad0c90f0ff03de08f67d70a5f1ed15b
http://www.locus.ufv.br/handle/123456789/21873
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10
Parâmetros cinéticos da degradação térmica de complexos entre percloratos de terras raras com lactama
Autor: Hélio Scatena Júnior, Anne M.G. Pedrosa, F. M. M. Borges, Dulce Maria de Araújo Melo, M. K. S. Batista, Léa Barbieri Zinner
Publikováno v: Eclética Química, Volume: 27, Published: 2002
Eclética Química, Vol 27, Pp 00-00 (2002)
Eclética Química v.27 2002
Eclética Química
Universidade Estadual Paulista Júlio de Mesquita Filho (UNESP)
instacron:UNESP
Eclética Química, Vol 27, Iss 1 (2018)
Complexos de percloratos à base de terras raras com a 2-azaciclononanona (AZA) foram obtidos a partir da reação entre os respectivos sais hidratados com a AZA (proporção molar 1:8) pelo método de difusão de vapor e caracterizados por titulaç
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::410cd7aa06db51c20f21355fbb584a87
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-46702002000100003&lng=en&tlng=en
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