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Resultados 106279-106298 de 265730
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Electrochemical and mechanical behavior of aluminum aa2024-t3 coated with hybrid matrix containing graphene oxide
(2019) [Artigo de periódico]The aeronautics industry uses aluminum alloy AA2024-T3 due to its low density and good mechanical properties. However, this alloy requires the use of protective coatings because it does not have the corrosion and wear ... -
Electrochemical and mechanical behavior of UV curing paint on hybrid films modified with polyethyleneglycol plasticizer applied on tinplate
(2017) [Artigo de periódico]The objective of this work is to coat tinplate with a hybrid film obtained from a sol-gel process constituted by the alkoxide precursor tetraethoxysilane (TEOS) and 3-trimethoxysilylpropyl methacrylate (TMSM), with the ... -
Electrochemical behavior during the zirconium conversion coating formation on AISI 1006 steel
(2019) [Artigo de periódico]This study investigated a conversion coating based on hexafluorozirconic acid solution on cold-rolled (AISI 1006) steel sheets, in situ, at different pH values and immersion times. Electrochemical characterization was ... -
Electrochemical behavior of Ti and Ti6Al4V in aqueous solutions of citric acid containing halides
(2006) [Artigo de periódico]This paper reports on an investigation of the electrochemical behavior of Ti grade 2 and Ti6Al4V alloy in aqueous citric acid solutions with pH 2.0 containing halide ions. Voltammetric studies of Ti and the alloy in citric ... -
Electrochemical behavior of vitreous glass carbon and platinum electrodes in the ionic liquid 1-n-butyl-3-methylimidazolium trifluoroacetate
(2002) [Artigo de periódico]A janela eletroquímica do líquido iônico trifluoroacetato de 1-n-butil-3-metilimidazólio foi estudada sobre eletrodos de carbono vítreo e platina em condições estática e dinâmica. Observouse uma drástica diminuição da ... -
Electrochemical behaviour of iron in NaOH 0.01 mol/L solutions containing variable amounts of silicate
(1999) [Artigo de periódico]Ciclos voltamétricos repetitivos do ferro em soluções de NaOH contendo concentrações variáveis de silicato entre 10 ppm e 1500 ppm, mostram comportamentos diferentes da primeira varredura quando comparada com as subsequentes, ... -
Electrochemical evidences of the inhibitory action of propargyl alcohol on the electrooxidation of nickel in sulfuric acid
(1998) [Artigo de periódico]Neste trabalho são apresentados os resultados dos estudos do comportamento eletroquímico do eletrodo de níquel em H2SO4 1,0 N, na ausência e na presença de álcool propargílico (Propin-2-ol-1). Observou-se uma forte interação ... -
Electrochemical polymerization of furfural on a platinum electrode in aqueous solutions of potassium biphthalate
(2005) [Artigo de periódico] -
Electrochemical studies of cooper, nickel and a Cu55/Ni45 alloy in aqueous sodium acetate
(2001) [Artigo de periódico]This paper discusses the electrochemical behavior of copper, nickel and a copper/nickel alloy in aerated aqueous 0.10 and 1.0 mol L-1 sodium acetate. The data obtained from different electrochemical techniques were analyzed ... -
Electrochemical studies of copper in N-N, dimethylformamide in the presence of water, ethanol and acetic acid as additives
(2000) [Artigo de periódico]Neste trabalho são apresentados os resultados da avaliação do comportamento eletroquímico do eletrodo de cobre em N-N dimetilformamida na presença de água, etanol e ácido acético, por voltametria cíclica. O processo de ... -
Electrochimie analytique en absence d'electrolyte indiferent : transports de matiere lors de la reduction des acides a une ultramicroelectrode
(1993) [Tese]O transporte de massa por migração relativo à redução do proton em um ultramicroeletrodo de platina foi investigado. O efeito da migração sobre as correntes limite foi primeiramente estudado para uma só espécie eletroativa ... -
Electrocristallisation et dissolution du zinc dans un electrolite alcalinen circulation : cas d'une electrode poreuse et d'une electrode massive bombardee par des particules spheriques
(1991) [Tese]Le componement de deux types d'électrode de zinc en milieu alcalin a été étudié une électrode poreuse traversée par un électrolyte et une élect rode massive soumise à l'impact de billes mises en ci rculation avec l'élcctrolytc. ... -
Electrodeposited Cu2O doped with Cl : electrical and optical properties
(2018) [Artigo de periódico]For understanding the electrical and optical properties of electrodeposited Cl-doped Cu2O thin films, we have studied layers with increasing thickness and Cl concentrations of 0.8 and 1.2 at. %. The deposits were characterized ... -
Electrodissolution of Cu-Zn alloys in acetate media
(2000) [Artigo de periódico]A eletrodissolução de ligas de Cu-Zn, de diferentes composição química (CuZn37 e CuZn39Pb3) foi estudada em solução tampão de acetato, pH 5, através de medidas de potencial de circuito aberto e voltametria cíclica, sob ... -
Electroencephalogram evidence for memory suppression : a systematic review
(2019) [Artigo de periódico]Understanding how people forget is one of the fundamental goals of the science of memory. Recent studies indicate that humans can voluntarily regulate awareness of unwanted memories by stopping the retrieval process that ... -
Electrofission of (sup 239) pu in the energy range 7-12 mev
(1997) [Artigo de periódico]The electrofission cross section of ²³⁹Pu(e,f) is measured between 7 and 12 MeV. The data are analyzed by means of the virtual photon formalism, assuming that E1, E2 (T=0), and M1 transitions are involved. Using known ... -
Electroluminescence induced by Ge nanocrystals obtained by hot ion implantation into SiO2
(2009) [Artigo de periódico]Commonly, electroluminescence (EL) from Ge nanocrystals (Ge NCs) has been obtained by room temperature (RT) Ge implantation into a SiO2 matrix followed by a high temperature anneal. In the present work, we have used a novel ... -
Electrolytes between dielectric charged surfaces : simulations and theory
(2015) [Artigo de periódico]We present a simulation method to study electrolyte solutions in a dielectric slab geometry using a modified 3D Ewald summation. The method is fast and easy to implement, allowing us to rapidly resum an infinite series of ... -
Electromagnetic weak turbulence theory revisited
(2012) [Artigo de periódico]The statistical mechanical reformulation of weak turbulence theory for unmagnetized plasmas including fully electromagnetic effects was carried out by Yoon [Phys. Plasmas 13, 022302 (2006)]. However, the wave kinetic ... -
Electromigration aware cell design
(2015) [Tese]Electromigration (EM) in on-chip metal interconnects is a critical reliability failure mechanism in nanometer-scale technologies. Usually works in the literature that address EM are concerned with power network EM and cell ...