Search Results - "Dallaqua, R"

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    Neuroevolution-based Classifiers for Deforestation Detection in Tropical Forests by Guilherme B. A., Pimenta, Fernanda B. J. R., Dallaqua, Fazenda, Alvaro, Faria, Fabio A.

    “…Tropical forests represent the home of many species on the planet for flora and fauna, retaining billions of tons of carbon footprint, promoting clouds and…”
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    Conference Proceeding
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    FOREST PLANTATION DETECTION THROUGH DEEP SEMANTIC SEGMENTATION by Dallaqua, F. B. J. R., Rosa, R. A. S., Schultz, B., Faria, L. R., Rodrigues, T. G., Oliveira, C. G., Kieser, M. E. J., Malhotra, V., Dwyer, T., Wolfe, D. S.

    “…Forest plantations play an important role ecologically, contribute to carbon sequestration and support billions of dollars of economic activity each year…”
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    Journal Article Conference Proceeding
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    Plasma immersion ion implantation in arc and glow discharge plasmas submitted to low magnetic fields by Tan, I.H., Ueda, M., Oliveira, R.M., Dallaqua, R.S., Reuther, H.

    Published in Surface & coatings technology (26-02-2007)
    “…The influence of low magnetic fields ( B ≤ 130 G) on the plasma parameters of a DC nitrogen glow discharge is investigated with a double Langmuir probe. The…”
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    Journal Article Conference Proceeding
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    Secondary electron suppression in nitrogen plasma ion implantation using a low DC magnetic field by Ueda, M., Tan, I.H., Dallaqua, R.S., Rossi, J.O.

    Published in Surface & coatings technology (23-04-2007)
    “…Experiments aiming at the reduction or even total suppression of secondary electrons during the plasma immersion ion implantation were carried out using a…”
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    Journal Article Conference Proceeding
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    Laboratory evidence for stochastic plasma-wave growth by Austin, D R, Hole, M J, Robinson, P A, Cairns, Iver H, Dallaqua, R

    Published in Physical review letters (16-11-2007)
    “…The first laboratory confirmation of stochastic growth theory is reported. Floating potential fluctuations are measured in a vacuum arc centrifuge using a…”
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    Journal Article
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    Treatment of polymers by plasma immersion ion implantation for space applications by Tan, I.H, Ueda, M, Dallaqua, R.S, Rossi, J.O, Beloto, A.F, Tabacniks, M.H, Demarquette, N.R, Inoue, Y

    Published in Surface & coatings technology (02-08-2004)
    “…Kapton samples were implanted with aluminum in order to create a metal oxide layer for protection against atomic oxygen degradation in space environment. Three…”
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    Journal Article Conference Proceeding
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    Aluminum plasma immersion ion implantation in polymers by Ueda, M., Tan, I.H., Dallaqua, R.S., Rossi, J.O., Barroso, J.J., Tabacniks, M.H.

    “…Atomic oxygen (AO) degradation of polymer-based materials is a serious concern in long life satellites or space stations orbiting low Earth orbit environment…”
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    Journal Article
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    Active Learning Approaches for Deforested Area Classification by J. R. Dallaqua, Fernanda B., Faria, Fabio A., Fazenda, Alvaro L.

    “…The conservation of tropical forests is a social and ecological relevant subject because of its important role in the global ecosystem. Forest monitoring is…”
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    Conference Proceeding
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    Magnesium plasma immersion ion implantation on silicon wafers by Tan, I.H., Ueda, M., Dallaqua, R.S., Rossi, J.O., Beloto, A.F., Abramof, E.

    Published in Surface & coatings technology (02-06-2003)
    “…Magnesium ions were implanted by plasma immersion ion implantation on Si wafers. The vacuum arc plasma gun has a straight configuration, and samples were…”
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    Journal Article
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    Langmuir probe measurements in a vacuum arc plasma centrifuge by Dallaqua, R.S., Del Bosco, E., da Silva, R.P., Simpson, S.W.

    Published in IEEE transactions on plasma science (01-06-1998)
    “…This work presents experimental data on several important parameters related to isotope enrichment and throughput in a vacuum arc plasma centrifuge. Using…”
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    Journal Article
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    Magnetic field effects on secondary electrons emitted during ion implantation in vacuum arc plasmas by Tan, I.H., Ueda, M., Dallaqua, R.S., Rossi, J.O.

    “…Aluminum ions produced in a vacuum arc system with a straight magnetic duct were implanted in a copper sample oriented with its surface parallel to the plasma…”
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    Journal Article
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    Experiments with background gas in a vacuum arc centrifuge by Dallaqua, R.S., Simpson, S.W., Del Bosco, E.

    Published in IEEE transactions on plasma science (01-04-1996)
    “…A vacuum arc centrifuge has been operated with an initial filling gas of either argon or hydrogen for pressures ranging from 10/sup -3/ to 10/sup -1/ Pa. The…”
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    Journal Article
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    Plasma instability of a vacuum arc centrifuge by Hole, M J, Dallaqua, R S, Simpson, S W, Del Bosco, E

    “…Ever since conception of the vacuum arc centrifuge in 1980, periodic fluctuations in the ion saturation current and floating potential have been observed in…”
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    Journal Article
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    Metal-arc plasma ion implantation in a straight magnetic filter by Ueda, M., Dallaqua, R.S., Rossi, J.O., Tan, I.H., Abramof, E., Beloto, A.F., Del Bosco, E.

    Published in IEEE transactions on plasma science (01-10-2002)
    “…Ion implantation is a well-known technique used in surface treatment of materials. During the 1980s, ion implantation using a sample immersed in an ionized…”
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    Journal Article
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    Ion sound wave excitation in a plasma under a Langmuir turbulence regime by Do Prado, F., Karfidov, D.M., Alves, M.Virgínia, Dallaqua, R.S.

    Published in Physics letters. A (02-11-1998)
    “…Ion sound wave excitation in a warm non-relativistic ( W b ≤ 400 eV) electron beam unmagnetized plasma system is studied experimentally. The spectrum of these…”
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    Journal Article
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    Isotopic enrichment in a plasma centrifuge by DEL BOSCO, E, DALLAQUA, R. S, LUDWIG, G. O, BITTENCOURT, J. A

    Published in Applied physics letters (15-06-1987)
    “…High rotational velocity and centrifugal isotopic separation of carbon in a vacuum-arc plasma centrifuge are presented. Enrichments of up to 390% for 13C are…”
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    Journal Article
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    Vacuum-arc plasma centrifuge experiment by Del Bosco, E., Dallaqua, R.S., Bittencourt, J.A., Ludwig, G.O.

    Published in IEEE transactions on plasma science (01-10-1989)
    “…The authors describe the vacuum-arc plasma centrifuge developed at the Institute for Space Research (INPE) in Brazil. The experiment is characterized by its…”
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    Journal Article