Search Results - "Filho, J. M. S."

Efficient selective filtering of seismic data using multiscale decomposition by Leite, F. E. A., Henriques, M. V. C., Gurgel, V. C., Filho, J. M. S.

“…Seismic signal processing is an important task in geophysics sounding and represents a permanent challenge in petroleum exploration. Although seismograms could…”
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Numerical analysis of the stability of optical bullets (2 + 1) in a planar waveguide with cubic–quintic nonlinearity by Fraga, W. B., Menezes, J. W. M., Sobrinho, C. S., Ferreira, A. C., Guimarães, G. F., Lima, A. W., Filho, A. F. G. F., Rocha, H. H. B., Sabóia, K. D. A., Lima, F. T., Filho, J. M. S., Sombra, A. S. B.

“…In this paper, we have presented a numerical analysis of the stability of optical bullets (2 + 1), or spatiotemporal solitons (2 + 1), in a planar waveguide…”
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Impedance spectroscopy study of TiO2 addition on the ceramic matrix Na2Nb4O11 by Romeu, M. C., Oliveira, R. G. M., Sales, A. J. M., Silva, P. M. O., Filho, J. M. S., Costa, M. M., Sombra, A. S. B.

“…In this paper a study of TiO 2 addition (0, 2, 5 and 10 wt%) and its effects in the impedance spectra of Na 2 Nb 4 O 11 ceramic matrix was carried out. The…”
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High dielectric permittivity and low loss of SrBi4Ti4O15 with PbO and V2O5 additions for RF and microwave applications by Rodrigues, C. A., Filho, J. M. S., Silva, P. M. O., Silva, M. A. S., Junqueira, C. C. M., Sombra, A. S. B.

“…In this paper SrBi 4 Ti 4 O 15 (SBTi), a perovskite-type ceramic, with cation deficit A 5 B 4 O 15 , was prepared by solid-state reaction method and PbO and V…”
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A performance study of an all-optical logic gate based in PAM-ASK by Ferreira, Alisson da C., Sobrinho, C.S., Menezes, J.W.M., Fraga, W.B., Rocha, H.H.B., Wirth L., A., Sabóia, K.D.A., Guimarães, G.F., Filho, J.M.S., Sombra, A.S.B.

“…In this paper a numerical study of an all-optical logical gate based in a symmetric nonlinear directional coupler (NLDC) operating with two ultrashort…”
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Raman amplification and optical short pulse generation in a waveguide with periodic gain by Filho, J.M.S., Menezes, J.W.M., Guimarães, G.F., Ferreira, A.C., de Fraga, W.B., Filho, A.F.G.F., Sombra, A.S.B.

“…In this paper a new configuration of amplification is proposed for Raman amplification. In this new configuration a spatial periodic Raman gain is used to…”
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Impedance Spectroscopy Analysis of Mg4Nb2O9 Ceramics with Different Additions of V2O5 for Microwave and Radio Frequency Applications by Filho, J. M. S., Rodrigues Junior, C. A., Sousa, D. G., Oliveira, R. G. M., Costa, M. M., Barroso, G. C., Sombra, A. S. B.

“…The complex impedance spectroscopy study of magnesium niobate Mg 4 Nb 2 O 9 (MN) ceramics with different additions of V 2 O 5 (0%, 2%, 5%) was performed in…”
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Impedance Spectroscopy Analysis of Mg^sub 4^Nb^sub 2^O^sub 9^ Ceramics with Different Additions of V^sub 2^O^sub 5^ for Microwave and Radio Frequency Applications by Filho, J M; S, Rodrigues Junior, C A, Sousa, D G, Oliveira, R G; M, Costa, M M, Barroso, G C, Sombra, A S; B

“…The complex impedance spectroscopy study of magnesium niobate Mg4Nb2O9 (MN) ceramics with different additions of V2O5 (0%, 2%, 5%) was performed in this…”
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Dielectric and microwave properties study of TiFeNbO^sub 6^ ceramics added Bi^sub 2^O3 by Sousa, D G, Saraiva, G D, Filho, J M; S, Filho, J M, Sombra, A S; B

“…In this paper the ceramic matrix of TiFeNbO^sub 6^ (TFNO) was studied. The TFNO phase was calcined at 1,075 °C and used to prepare the samples, of 2, 4, 6, 8…”
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Design and simulation of Na2Nb4O11 dielectric resonator antenna added with Bi2O3 for microwave applications by Oliveira, R.G.M., Freitas, D.B., Romeu, M.C., Silva, M.A.S., Sales, A. J. M., Ferreira, A.C., Filho, J.M.S., Sombra, A.S.B.

“…ABSTRACT In this paper is reported an experimental and numerical investigation of the microwave dielectric properties of Na2Nb4O11 (NN), ceramic matrix added…”
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Impedance spectroscopy study of Na2Nb4O11 ceramic matrix by the addition of Bi2O3 by Oliveira, R.G.M., Romeu, M.C., Costa, M.M., Silva, P.M.O, Filho, J.M.S., Junqueira, C.C.M., Sombra, A.S.B.

“…•The structural, dielectric properties of the addition in the Na2Nb4O11.•Complex impedance has been used to analyze the electrical and dielectric…”
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Dielectric and microwave properties study of TiFeNbO6 ceramics added Bi2O3 by Sousa, D. G., Saraiva, G. D., Filho, J. M. S., Filho, J. M., Sombra, A. S. B.

“…In this paper the ceramic matrix of TiFeNbO 6 (TFNO) was studied. The TFNO phase was calcined at 1,075 °C and used to prepare the samples, of 2, 4, 6, 8 and…”
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Impedance spectroscopy study of TiO2 addition on the ceramic matrix Na^sub 2^Nb^sub 4^O^sub 11 by Romeu, M C, Oliveira, R G; M, Sales, A J; M, Silva, P M; O, Filho, J M; S, Costa, M M, Sombra, A S; B

“…In this paper a study of TiO2 addition (0, 2, 5 and 10 wt%) and its effects in the impedance spectra of Na^sub 2^Nb^sub 4^O^sub 11^ ceramic matrix was carried…”
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High dielectric permittivity and low loss of SrBi^sub 4^Ti^sub 4^O^sub 15^ with PbO and V^sub 2^O^sub 5^ additions for RF and microwave applications by Rodrigues, C A, Filho, J M; S, Silva, P M; O, Silva, M A; S, Junqueira, C C; M, Sombra, A S; B

“…In this paper SrBi^sub 4^Ti^sub 4^O^sub 15^ (SBTi), a perovskite-type ceramic, with cation deficit A^sub 5^B^sub 4^O^sub 15^, was prepared by solid-state…”
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The Outcome of Endodontic Treatment: A Retrospective Study of 2000 Cases Performed by a Specialist by Imura, Noboru, MS, DDS, Pinheiro, Ericka T., PhD, MS, DDS, Gomes, Brenda P.F.A., PhD, MS, DDS, Zaia, Alexandre A., PhD, MS, DDS, Ferraz, Caio C.R., PhD, MS, DDS, Souza-Filho, Francisco J., PhD, MS, DDS

“…Abstract The purpose of this study was to evaluate the treatment outcome of initial endodontic treatment and nonsurgical retreatment performed by an endodontic…”
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Frequency of Nonodontogenic Pain after Endodontic Therapy: A Systematic Review and Meta-Analysis by Nixdorf, Donald R., DDS, MS, Moana-Filho, Estephan J., DDS, MS, Law, Alan S., DDS, PhD, McGuire, Lisa A., MLIS, Hodges, James S., PhD, John, Mike T., DDS, MPH, PhD

“…Abstract Introduction Little is known about ill-defined pain that persists after endodontic procedures, including an estimate of the problem's magnitude. We…”
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OS PRODUTORES DE SUÍNOS NO MUNICÍPIO DE FLORESTA, ESTADO DE PERNAMBUCO, BRASIL by Silva Filha O. L., Barbosa E. J. R, Lima A. D, Melo A. G. P, Melo Filho A. J., Sá M. S.

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