Search Results - "Oliveira, B. R. P."

Energetic ion irradiation of N2O ices relevant for Solar system surfaces by Oliveira, P R B, Martinez, R, Fulvio, D, da Silveira, E F

“…ABSTRACT Ices are the dominant surface material of many Solar system objects, such as comets and trans-Neptunian objects. They are continuously exposed to ion…”
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Ion irradiation of acetylene ice in the ISM and the outer Solar system: laboratory simulations by Pereira, R C, de Barros, A L F, da Costa, C A P, Oliveira, P R B, Fulvio, D, da Silveira, E F

“…ABSTRACT)3 Acetylene, C2H2, has been observed in the interstellar medium, mostly around young stellar objects, as well as in molecular clouds and cometary…”
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A Simulation-Optimisation approach for hospital beds allocation by e Oliveira, B.R.P., de Vasconcelos, J.A., Almeida, J.F.F., Pinto, L.R.

“…•A Simulation-Optimisation technique is used to allocate hospital beds.•Evolutionary Algorithms and Discrete Event Simulation are combined to solve a problem…”
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Optimal sales and operations planning for integrated steel industries by Almeida, J. F. F., Conceição, S. V., Pinto, L. R., Oliveira, B. R. P., Rodrigues, L. F.

“…This paper aims at inspiring a change in the traditional approach of sales and operations planning (S&OP) of integrated steel industries that have reached a…”
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Microstructural Study of Neodmium Nickelate Doped with Strontium Synthesized by Gelatin Method by Pimentel, P. M., Oliveira, R. M. P. B., Araújo, J. H., Melo, D. M. A., Melo, M. A. F., Martinelli, A. E.

“…In this work nickelate nanoparticles were synthesized using a simple and fast new route, which makes use of gelatin as an organic precursor in order to…”
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Influence of chemical pretreatment on the pozzolanicity of recycled glass microparticles used as a substitute for Portland cement by Barros Correia, J.V.F., Campos dos Santos, H., Bomfim Fraga, Y.S., Oliveira, R.M.P.B.

“…This research investigated the influence of using chemically treated glass microparticles as a partial replacement for cement in Portland cement pastes and…”
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Estimating isotherm parameters of drying clay for the ceramic industry of Sergipe, Brazil by Oliveira, H.A., Silva, D.C., Oliveira, R.M.P.B., Santos, C.P., de Jesus, E., Macedo, Z.S.

“…The drying process is one of the main stages of production phase of ceramics. Drying without (previous) knowledge of the technological characteristics of clay…”
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Gelatin synthesis and color properties of (La, Pr, Nd) lanthanide aluminates by Pimentel, P.M., Lima, S.V.M., Costa, A.F., Câmara, M.S.C., Carregosa, J.D.C., Oliveira, R.M.P.B.

“…This work aimed to synthesize (LnAlO3, Ln=La, Pr, Nd) lanthanide aluminates with perovskite structure in order to study their application as ceramic pigments…”
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Green synthesis of LaCrO3 powder mediated by the extract of the Amazon rainforest native plant Himatanthus drasticus (Mart.) Plumel and their photocatalytic activity by Silva, R.S., Matos, R.S., Andrade, R., Oliveira, R.M.P.B., Resende, C.X., Paz, S.P.A., Angélica, R.S., Ferreira, N.S.

“…Lanthanum chromite (LaCrO3) powder was successfully synthesized by plant-extract-assisted sol–gel method using milk of Janaguba (Himatanthus drasticus (Mart.)…”
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Effect of lanthanum replacement by strontium in lanthanum nickelate crystals synthetized using gelatin as organic precursor by Oliveira, F.S., Pimentel, P.M., Oliveira, R.M.P.B., Melo, D.M.A., Melo, M.A.F.

“…La 1-xSr xNiO 3 (0 ≤ x ≤ 0.8) nanopowders were successfully synthesized using gelatin as a polymerization agent. Powders were calcined for 4 h at 700 and 900…”
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ANGIOTENSIN II-MEDIATED VASODILATION IS REDUCED IN ADULT SPONTANEOUSLY HYPERTENSIVE RATS DESPITE ENHANCED EXPRESSION OF AT2 RECEPTORS by Ognibene, DT, Oliveira, PRB, Marins de Carvalho, LCR, Costa, CA, Espinoza, LA, Criddle, DN, Tano, T, Soares de Moura, R, Resende, AC

“…SUMMARY 1 The vasodilator action of angiotensin (Ang) II has not yet been demonstrated in spontaneously hypertensive rats (SHR), nor have any possible changes…”
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Caracterização óptica e estrutural de ortoferritas de lantânio dopadas com cromo e alumínio by Dutra, J. L. S., Dantas, G. C. B., Pimentel, P. M., Aquino, F. M., Costa, A. F., Lima, A. C., Oliveira, R. M. P. B.

“…Resumo Esse trabalho teve como objetivo sintetizar óxidos com a estrutura tipo perovskita de composição LaFeO3, LaFe0,8Al0,2O3 e LaFe0,8Cr0,2O3 pelo método…”
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Microbiological evaluation of chicken breast meat irradiated in conventional and vacuum package by Oliveira, AL

“…The effects of gamma radiation doses of 1.5 and 3.0kGy on chicken breasts packed under conventional or vacuum atmosphere were evaluated. The packed samples…”
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Characterization of retorted shale for use in heavy metal removal by Pimentel, P.M., Oliveira, R.M.P.B., Melo, D.M.A., Anjos, M.J., Melo, M.A.F., González, G.

“…There has been a growing interest in the use of cost-effective materials to remove heavy metals from wastewater. In this study, retorted shale, a solid residue…”
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Avaliação do potencial de argilas de Sergipe e Alagoas na produção de agregados para uso em concreto by Oliveira, H A, Santos, C P, Oliveira, R M P B, de Jesus, E, Macedo, Z S

“…O presente trabalho teve por objetivo caracterizar tecnologicamente três argilas utilizadas em setores de cerâmica no estado de Sergipe, Brasil. Sua…”
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Avaliação da limpeza de CDtrodo construídos a partir de CD de ouro gravável/fita adesiva de galvanoplastia by Foguel, M. V., Uliana, C. V., Tomaz, P. R. U., Marques, P. R. B. Oliveira, Yamanaka, H., Ferreira, A. A. Pupim

“…Os eletrodos de ouro são largamente utilizados em estudos eletroquímicos e eletroanalíticos, devido à sua elevada pureza, ampla faixa de potencial de trabalho,…”
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Avaliação da limpeza de CDtrodo construídos a partir de CD de ouro gravável/fita adesiva de galvanoplastia by Foguel, M. V., Uliana, C. V., Tomaz, P. R. U., Marques, P. R. B. Oliveira, Yamanaka, H., Ferreira, A. A. Pupim

“…Os eletrodos de ouro são largamente utilizados em estudos eletroquímicos e eletroanalíticos, devido à sua elevada pureza, ampla faixa de potencial de trabalho,…”
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Analysis of the effect of lightning on the energized shield wire line technology by Ramos, J. E., Pires, V. A., Piantini, A., Obase, P. F., Neto, A. S., de Carvalho, T. O., de Oliveira, P. R. B.

“…This paper examines the effect of lightning overvoltages resulting from direct strikes to the two SWL (energized shield wire line technology) systems located…”
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Caracterização de argilas calcárias utilizadas na produção de revestimentos cerâmicos no Estado de Sergipe - Brasil by C. P. Santos, H. A. Oliveira, R. M. P. B. Oliveira, Z. S. Macedo

“…Resumo O presente trabalho tem por objetivo caracterizar quatro argilas diferentes utilizadas na produção de revestimento cerâmico do tipo BIIb no Estado de…”
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Caracterização óptica e estrutural de ortoferritas de lantânio dopadas com cromo e alumínio by J. L. S. Dutra, G. C. B. Dantas, P. M. Pimentel, F. M. Aquino, A. F. Costa, A. C. Lima, R. M. P. B. Oliveira

“…Resumo Esse trabalho teve como objetivo sintetizar óxidos com a estrutura tipo perovskita de composição LaFeO3, LaFe0,8Al0,2O3 e LaFe0,8Cr0,2O3 pelo método…”
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