Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Hélio Scatena"'
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
Publikováno v:
Química Nova, Vol 30, Iss 5, Pp 1128-1132 (2007)
The effectiveness of microemulsions (ME) of saponified coconut oil (OCS-ME) and diphenylcarbazide (DC-ME) on a carbon steel corrosion inhibition process was evaluated using an electrochemical method of polarization resistance. The ME was prepared wit
Externí odkaz:
https://doaj.org/article/7e6664a4ad7b411e8d12cbf9fa414827
Autor:
Moura, Everlane Ferreira, Neto, Alcides de Oliveira Wanderley, Dantas, Tereza Neuma de Castro, Júnior, Hélio Scatena, Gurgel, Alexandre
Publikováno v:
In Colloids and Surfaces A: Physicochemical and Engineering Aspects 2009 340(1):199-207
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
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
Autor:
Robson Fernandes de Farias, Ótom Anselmo de Oliveira, Hélio Scatena Júnior, Filipe Martel de Magalhães Borges, Ademir Oliveira da Silva
Publikováno v:
Química Nova, Vol 21, Iss 2, Pp 164-166 (1998)
Externí odkaz:
https://doaj.org/article/477f8d3460e24281a3018993f5aec98d
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
https://doi.org/10.1149/05050.0099ecst
Publikováno v:
Journal of Molecular Liquids. 165:125-132
The goal of this paper is proposing a simple molecular descriptor, based on the molecular structures, for predicting the normal boiling temperature (B.T.) of hydrocarbons. To this end, the topological index Fi was developed and used to correlate the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2d281f9b207a09912f2af0b72d4f7823
https://doi.org/10.1016/j.molliq.2011.10.019
https://doi.org/10.1016/j.molliq.2011.10.019
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
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
https://doi.org/10.1016/j.colsurfa.2009.03.031
Publikováno v:
Colloid and Polymer Science. 287:81-87
A sulfonate (2,4-sodium dissulfonate-5-n-pentadecylphenol) was synthesized from hydrogenated cardanol and the micellization study was carried out using temperature and electrolyte concentration as variables. The adsorption parameters were obtained us
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c3e9f1308c88ad11bf76bfeafd8b6faf
https://doi.org/10.1007/s00396-008-1956-1
https://doi.org/10.1007/s00396-008-1956-1