Multilayer Electrical
Mostrando 1-11 de 11 artigos, teses e dissertações.
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1. Structure and Properties of Dual-doped PEDOT:PSS Multilayer Films
Poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) is the most successful transparent conductive polymer widely used in functional organic devices. However, its potential in fabrication of highly conductive electrodes still has not been fully explored. This paper is an attempt to fill the existing gap of knowledge on possible post-treatments
Mat. Res.. Publicado em: 09/12/2019
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2. Storage of soybean seeds: Packaging and modified atmosphere technology
RESUMO As características dos materiais utilizados nas embalagens para armazenamento de sementes podem influenciar negativamente no processo de deterioração, acarretando problemas futuros no período de armazenamento e na emergência em campo. Desta forma, objetivou-se avaliar a qualidade fisiológica de sementes de soja, armazenadas em diferentes embalag
Rev. bras. eng. agríc. ambient.. Publicado em: 14/10/2019
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3. Influence of Sintering Time on the PTCR Effect of Nb2O5-doped BaTiO3 Ceramics
The effects of the sintering time on the electrical properties and the positive temperature coefficient of resistance (PTCR) effect of Ba1.006(Ti1-xNbx)O3 (BTN) ceramics were investigated, which were sintered at 1190 ºC for 0.5-6 hours in a reducing atmosphere and then re-oxidized at 800 ºC for 1 hour. The results indicated that the sintering time affected
Mat. Res.. Publicado em: 16/09/2019
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4. Effect of the Morphology and Structure on the Microwave Absorbing Properties of Multiwalled Carbon Nanotube Filled Epoxy Resin Nanocomposites
The current research shows the effect of structural and morphological differences of multilayer carbon nanotubes (CNT) on radar absorbing materials (RAM) performance. Two CNT samples, from different manufacturers, had their morphological and structural aspects investigated by XRD, SEM and SEM-FEG analyses. CNT/epoxy resin based nanostructured composites were
Mat. Res.. Publicado em: 16/07/2018
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5. Multilayer Graphene Films Obtained by Dip Coating Technique
A dip coating system was projected and constructed to deposit a large range of thin films onto solid substrates. A microcontroller was used to control the deposition system. As an example of application multilayer graphene (MLG) films were deposited onto glass slices in order to obtain conductive films with relatively good light transmittance. The MLG flakes
Mat. Res.. Publicado em: 2015-08
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6. Efeito da inclinação do plano de terra para antenas de microfita multicamadas com elementos parasitas fractais
Este trabalho apresenta a análise de uma antena de microfita fractal de Koch com multicamadas dielétricas e inclinações no plano de terra, cujos valores dos ângulos são zero grau (sem inclinações), três, sete e doze graus. Esta antena é constituída por três camadas dielétricas dispostas verticalmente umas sobre as outras, utilizando alimentaçã
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 29/07/2011
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7. Caracterização de vidros niobofosfatos para aplicação em selagem em célula a combústivel de óxido sólido / Characterization of niobophosphate glasses for solid oxide fuel cell (SOFC) sealing
Solid oxide fuel cells (SOFC) are devices which generate d.c. power by the oxidation of hydrogen molecules. These devices can have a multilayer plane design containing a cathode, an anode, a solid electrolyte, and a sealing material. The sealing, which is the subject of this study, has to be chemically stable at relatively SOFC operational condition in oxi-r
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 16/03/2010
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8. Mono and multi-layer electrolytes of ceria and zirconia prepared by tape casting / Eletrólitos mono e multicamadas de céria e zircônia preparados por colagem de fita
In this work it was investigated bi-layer electrolytes prepared by the tape casting technique. These electrolytes were composed of one layer of 10 mol% gadolinia doped ceria (CDG) and another one of 8 mol% yttria-stabilized zirconia (ZEI -8). CDG tapes were prepared with powder from Fuel Cell Materials (FCM) and powder obtained by oxide mixing. ZEI-8 tapes w
Publicado em: 2009
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9. Modelagem matematica para avaliação do comportamento eletrico de motores de indução trifasicos em regime permanente : um modelo neural / Mathematical modeling of an three-phase induction motor steady state : a neural model
This thesis presents a study about the steady state behavior of the three-phase induction motor. The validity of the use of the electric equivalent circuit is discussed when it is utilized on the rated conditions and also on any other operating conditions. No-load and the blocked rotor tests are performed on a three-phase induction motor for the determinatio
Publicado em: 2005
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10. Effects of annealing on electrical and optical properties of a multilayer InAs/GaAs quantum dots system
A systematic investigation of the properties of the InAs/GaAs self-assembled quantum dots (SAQDs) system subjected to a post-growth annealing using capacitance-voltage, Raman scattering and photoluminescence measurements is presented. The application of both electrical and optical methods allowed us to obtain reliable information on the microscopic structura
Materials Research. Publicado em: 2004-09
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11. Uma aplicação de redes neurais artificiais no processamento digital de sinais eletromiograficos da musculatura mastigatoria
An electrical activity pattern for the masticatory muscle is controvertible, because the variability of record methods, different electromyographic equipment, electrical and electromagnetic interference, selection of electrodes and volunteers, to try for obtainment severa I results, that beco me difficult establishment of real EMG data, able to represent nor
Publicado em: 1998