Search Results - "Vieira, E.A."

Morphological changes and kinetic assessment of Cu2O powder reduction by non-thermal hydrogen plasma by Ramos, S.V., Cisquini, P., Nascimento Jr, R.C., Franco Jr, A.R., Vieira, E.A.

“…Non-thermal hydrogen plasma is a novel reducing medium that can yield H2 derived species capable of improving the reduction efficiency of metallic oxides when…”
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População de protozoários ruminais em novilhos zebuínos alimentados com ou sem volumoso by Nigri, A.C.A., Ribeiro, I.C.O., Vieira, E.A., Silva, M.L.F., Virgínio-Júnior, G.F, Abrão, F.O., Geraseev, L.C., Duarte, E.R.

“…ABSTRACT This study aimed to quantify and identify the profile of the rumen protozoa population of beef steers fed with or without roughage. Nellore crossbred…”
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On the formation of spheroidal microstructures in a semi-solid Al–Si alloy by thermomechanical processing by Vieira, E.A., Kliauga, A.M., Ferrante, M.

“…Spheroidal microstructures suitable for thixoforming, can be formed by a variety of techniques. From optical microscopy and electron backscattered diffraction…”
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Micro-abrasive wear resistance of the duplex expanded austenite layer phases produced by plasma nitrocarburizing by Cisquini, P., Ramos, S.V., Lins, V.F.C., Franco, A.R., Vieira, E.A.

“…The present study investigates the influence of the phases of the duplex expanded austenite layer on the micro-abrasive wear resistance of the plasma…”
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The influence of impurity level and tin addition on the ageing heat treatment of the 356 class alloy by Kliauga, A.M., Vieira, E.A., Ferrante, M.

“…The influence of the addition of 0.5 wt.% Sn to Al–7Si–0.3 Mg alloys (356 and A356) on their ageing behaviour and mechanical properties was evaluated. Adding…”
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Prediction of rheological behaviour and segregation susceptibility of semi-solid aluminium–silicon alloys by a simple back extrusion test by Vieira, E.A., Ferrante, M.

“…This paper studied the segregation susceptibility of a number of samples based on the Al–Si system and quenched from the semi-solid state. The work was…”
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Resistance pattern of white oat genotypes to crown rust in the definition of crosses by Vieira, E.A

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Reconstruction of solar spectral irradiance since the Maunder minimum by Krivova, N. A., Vieira, L. E. A., Solanki, S. K.

“…Solar irradiance is the main external driver of the Earth's climate. Whereas the total solar irradiance is the main source of energy input into the climate…”
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Variability of the Sun’s Luminosity Places Constraints on the Thermal Equilibrium of the Convection Zone by Vieira, L. E. A., Kopp, G., Dudok de Wit, T., da Silva, L. A., Carlesso, F., Barbosa, A. R., Muralikrishna, A., Santos, R.

“…Abstract Luminosity, which is the total amount of radiant energy emitted by an object, is one of the most critical quantities in astrophysics for…”
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Dynamic Mechanisms Associated With High‐Energy Electron Flux Dropout in the Earth's Outer Radiation Belt Under the Influence of a Coronal Mass Ejection Sheath Region by Da Silva, L. A., Shi, J., Alves, L. R., Sibeck, D., Souza, V. M., Marchezi, J. P., Medeiros, C., Vieira, L. E. A., Agapitov, O., Jauer, P. R., Alves, M. E. S., Wang, C., Li, H., Liu, Z., Dal Lago, A., Alves, M. V., Rockenbach, M. S., Baker, D. N., Zhang, S. Y., Kanekal, S. G.

“…The near‐Earth interplanetary environment conditions affect the dynamics of the relativistic electron population quasitrapped in the radiation belts. A complex…”
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The Fibre Resolved OpticAl and Near-Ultraviolet Czerny–Turner Imaging Spectropolarimeter (francis) by Jess, David B., Grant, Samuel D. T., Bate, William, Liu, Jiajia, Jafarzadeh, Shahin, Keys, Peter H., Vieira, Luís E. A., Dal Lago, Alisson, Guarnieri, Fernando L., Christian, Damian J., Gilliam, Doug, Banerjee, Dipankar

“…The solar physics community is entering a golden era that is ripe with next-generation ground- and space-based facilities, advanced spectral inversion…”
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The Plasma β Evolution through the Solar Corona during Solar Cycles 23 and 24 by Rodríguez Gómez, Jenny Marcela, Palacios, Judith, Vieira, Luis E. A., Lago, Alisson Dal

“…The plasma β is important in the investigation of interchanging roles of plasma and magnetic pressure in the solar atmosphere. It can help to describe features…”
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High‐Energy Electron Flux Enhancement Pattern in the Outer Radiation Belt in Response to the Interplanetary Coronal Mass Ejections by Silva, L. A., Shi, J., Marchezi, J. P., Agapitov, O. V., Sibeck, D., Alves, L. R., Vieira, L. E. A., Deggeroni, V., Resende, L. C. A., Lopez, R., Costa, J. E. R., Wang, C., Moro, J., Li, H., Lago, A. Dal, Ferreira, K. J. C., Inostroza, A., Liu, Z.

“…The high‐energy electron flux enhancement pattern in the outer radiation belt is observed under the influence of the Interplanetary Coronal Mass Ejections…”
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Computational modeling of texture and microstructure evolution in Al alloys deformed by ECAE by Signorelli, J.W., Turner, P.A., Sordi, V., Ferrante, M., Vieira, E.A., Bolmaro, R.E.

“…This paper reports on equal channel angular extrusion (ECAE) simulations and experiments in laboratory-cast Al–4%Cu alloy, in the T4 condition. Experimental…”
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Microstructural evolution and rheological behaviour of aluminium alloys A356, and A356 + 0.5% Sn designed for thixocasting by Vieira, E.A., Kliauga, A.M., Ferrante, M.

“…One of the most important parameters in any thixoforming process is the viscosity of the semi-solid raw material. The reduction of the value of this property…”
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High‐Energy Electron Flux Enhancement Pattern in the Outer Radiation Belt in Response to the Alfvénic Fluctuations Within High‐Speed Solar Wind Stream: A Statistical Analysis by Da Silva, L. A., Shi, J., Alves, L. R., Sibeck, D., Marchezi, J. P., Medeiros, C., Vieira, L. E. A., Agapitov, O., Cardoso, F. R., Souza, V. M., Dal Lago, A., Jauer, P. R., Wang, C., Li, H., Liu, Z., Alves, M. V., Rockenbach, M. S.

“…The coupling response between solar wind structures and the magnetosphere is highly complex, leading to different effects in the outer radiation belt electron…”
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Global Modeling of the Inner Magnetosphere Under the Influence of a Magnetic Cloud Associated With an Interplanetary Coronal Mass Ejection: Energy Conversion and Ultra‐Low Frequency Wave Activity by Jauer, P. R., Wang, C., Echer, E., Souza, V. M., Da Silva, L. A., Marchezi, J. P., Alves, L. R., Alves, M. V., Douglas, S., Loesch, C., Liu, Z., Hui, L., Vieira, L. E. A., Gonzalez, W. D., Denardini, C. M., Medeiros, C., Costa, J. E. R.

“…The interaction and response of the magnetic cloud‐type structure with Earth's magnetosphere were modeled by the SWMF/BATS‐R‐US code. The conversion of…”
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Dinâmica da comunidade de macrófitas aquáticas no reservatório de Santana, RJ Dynamics of the aquatic macrophytecommunity in the Santana reservoir in Pirai-RJ by R.L.C.M. Pitelli, C.M. Toffaneli, E.A. Vieira, R.A. Pitelli, E.D. Velini

“…Apesar da importância na dinâmica dos ecossistemas aquáticos, as macrófitas podem formar densas e extensas colonizações em corpos hídricos cujos equilíbrios…”
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Dinâmica da comunidade de macrófitas aquáticas no reservatório de Santana, RJ by Pitelli, R.L.C.M., Toffaneli, C.M., Vieira, E.A., Pitelli, R.A., Velini, E.D.

“…Apesar da importância na dinâmica dos ecossistemas aquáticos, as macrófitas podem formar densas e extensas colonizações em corpos hídricos cujos equilíbrios…”
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Climate forcing reconstructions for use in PMIP simulations of the Last Millennium (v1.1) by Schmidt, G. A, Jungclaus, J. H, Ammann, C. M, Bard, E, Braconnot, P, Crowley, T. J, Delaygue, G, Joos, F, Krivova, N. A, Muscheler, R, Otto-Bliesner, B. L, Pongratz, J, Shindell, D. T, Solanki, S. K, Steinhilber, F, Vieira, L. E. A

“…We update the forcings for the PMIP3 experiments for the Last Millennium to include new assessments of historical land use changes and discuss new suggestions…”
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