Search Results - "Geraldo M. Costa"

A modified Primal–Dual Logarithmic-Barrier Method for solving the Optimal Power Flow problem with discrete and continuous control variables by Soler, Edilaine Martins, de Sousa, Vanusa Alves, da Costa, Geraldo R.M.

“…► A method for solving the Optimal Power Flow problem is proposed. ► A penalty function is presented to handle the discrete control variables. ► Numerical…”
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Carbon nanostructures-modified expanded vermiculites produced by chemical vapor deposition from ethanol by Purceno, Aluir D., Barrioni, Breno R., Dias, Anderson, da Costa, Geraldo M., Lago, Rochel M., Moura, Flávia C.C.

“…In this work, chemical vapor deposition using ethanol and FeMo catalysts at 600, 700, 800 and 900 °C was used to modify the surface of expanded vermiculite…”
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Molecular epidemiology of Streptococcus agalactiae isolated from mastitis in Brazilian dairy herds by Carvalho-Castro, Glei A., Silva, Juliana R., Paiva, Luciano V., Custódio, Dircéia A.C., Moreira, Rafael O., Mian, Glaucia F., Prado, Ingrid A., Chalfun-Junior, Antônio, Costa, Geraldo M.

“…Streptococcus agalactiae is one of the most common pathogens leading to mastitis in dairy herds worldwide; consequently, the pathogen causes major economic…”
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Staphylococcus aureus and Streptococcus agalactiae: prevalence, resistance to antimicrobials, and their relationship with the milk quality of dairy cattle herds in Minas Gerais state, Brazil by Mesquita, Alan A., Rocha, Christiane M.B.M., Bruhn, Fabio R.P., Custódio, Dircéia A.C., Braz, Mirian S., Pinto, Sandra M., Silva, Délcio B., Costa, Geraldo M.

“…Bovine mastitis is the most frequent disease worldwide in dairy herds, causing high economic losses to producers and industry, as well as having implications…”
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Spatial and temporal analyses of culls due to bovine tuberculosis in slaughterhouses of Minas Gerais state, Brazil, 2008 to 2012 by Baptista, Tatiany F.S., Alves, Marcelo C., Pereira-Dourado, Stela M., Costa, Geraldo M., Lopes, Edna, Bruhn, Fabio R.P., Braz, Mirian S., Rocha, Christiane M.B.M.

“…The application of spatial and temporal analysis in epidemiology aims to understand the causes and consequences of spatial and temporal heterogeneity in…”
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Risk factors for high bulk milk somatic cell counts in dairy herds from Campos das Vertentes region, Minas Gerais State, Brazil: a case-control study by Costa, Geraldo M., Mesquita, Alan A., Rocha, Christiane M.B.M., Bruhn, Fabio R.P., Andrade, Rafaella S., Custódio, Dircéia A.C., Braz, Mirian S., Pinto, Sandra M.

“…High bulk milk somatic cell counts (BMSCC) are indicative of failures related to the control of mastitis in the herd, which compromises the quality of the milk…”
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Water determination in iron oxyhydroxides and iron ores by Karl Fischer titration by da Cunha, Camila C. R. F., da Costa, Geraldo M.

“…Protohematite (Fe 2− x /3 (OH) x O 3− x 1 ≤  x  < 0.5) and hydrohematite (Fe 2− x /3 (OH) x O 3− x 0.5 ≤  x  < 0) are iron-defective phases containing hydroxyl…”
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A Decision-making Framework Based on Artificial Neural Networks and Intelligent Agents for Transmission Grid Operation by Fernandes, Ricardo A. S., Lage, Guilherme G., da Costa, Geraldo R. M.

“…Security margins have been reduced in restructured and deregulated power systems, and as a result, these systems have been operated close to their security…”
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Heterogeneous Fenton reactants: a study of the behavior of iron oxide nanoparticles obtained by the polymeric precursor method by Giraldi, Tania R., Arruda, Cezar C., da Costa, Geraldo M., Longo, Elson, Ribeiro, Caue

“…Nanoparticles composed of iron oxides and iron salts were obtained from polymeric resins produced by polymerizing Fe 2+ -citrate and Fe 3+ -citrate complexes…”
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Precipitation of a layered double hydroxide comprising Mg2+ and Al3+ to remove sulphate ions from aqueous solutions by Guimarães, Damaris, C.M. da Rocha, Natasha, A.P. de Morais, Rafaela, De-Lazzari B.P. Resende, Andréia, M.F. Lima, Rosa, M. da Costa, Geraldo, A. Leão, Versiane

“…•A new procedure for sulfate removal is proposed for wastewater treatment.•Sulfate removal occurs by the LDH Mg6Al2(SO4(0.5),NO3(y))(OH)12.nH2O…”
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A primal-dual integrated nonlinear rescaling approach applied to the optimal reactive dispatch problem by Pinheiro, Ricardo B.N.M., Lage, Guilherme G., da Costa, Geraldo R.M.

“…•This paper proposes a primal-dual integrated nonlinear rescaling approach.•A novel family of penalty functions for augmented Lagrangian methods is…”
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Presence of Metallic Fe Nanoclusters in α-(Al,Fe) 2 O 3 Solid Solutions by Resende, Valdirene G. de, Cordier, Anne, Grave, Eddy De, Laurent, Christophe, Eeckhout, Sigrid G., Giuli, Gabriele, Peigney, Alain, Costa, Geraldo M. da, Vandenberghe, Robert E.

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Seleção, caracterização e clonagem dos genes fljB e groEL agonistas dos receptores de reconhecimento de padrão do sistema imune inato das aves by Bruno A. Soares, Solange A. Ságio, Ana P. Peconick, Priscilla R. Barrios, Antônio Chalfun-Júnior, Geraldo M. Costa, Joziana M.P. Barçante, Nelson R.S. Martins

“…A produção recombinante de agonistas dos receptores do reconhecimento de padrão do sistema imune inato tem fornecido uma nova ferramenta para a produção de…”
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An approach of optimal sensitivity applied in the tertiary loop of the automatic generation control by Belati, Edmarcio A., Alves, Dilson A., da Costa, Geraldo R.M.

“…This paper proposes an approach of optimal sensitivity applied in the tertiary loop of the automatic generation control. The approach is based on the theorem…”
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Effect of diets with different levels of fiber in neutral detergent for finishing of lambs in drylot conditions by Júnior, V, Cavalcante Ribeiro, P Henrique, Menezes, M Santos, Rodrigues, J Caroline Nascimento, Pimentel, N Cristina Ribeiro, Neta, M Lourdes Tavares, Costa, M Geraldo

“…The objective of this research was to evaluate the dry matter intake, feed conversion and feed efficiency of confined sheep fed diets at different levels of…”
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Antimicrobial resistance and public and animal health risks associated with pathogenic Escherichia coli isolated from calves by Custódio, Dircéia Aparecida da Costa, Pereira, Carine Rodrigues, Gonçalves, Maysa Serpa, Costa, Anna Cecília Trolesi Reis Borges, de Oliveira, Pedro Felipe Rodrigues, da Silva, Bruna Henrique Pinto, Carneiro, Giovanna Botelho, Coura, Fernanda Morcatti, Lage, Andrey Pereira, Heinemann, Marcos Bryan, da Costa, Geraldo M.árcio, Dorneles, Elaine Maria Seles

“…We aimed to determine the antimicrobial susceptibility profile of pathogenic Escherichia coli strains isolated from fecal samples of calves and buffalo calves…”
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PSXII-37 Effect of diets with different levels of fiber in neutral detergent for finishing of lambs in drylot conditions by Júnior, V, Henrique Cavalcante Ribeiro, P, Santos Menezes, M, Caroline Nascimento Rodrigues, J, Cristina Ribeiro Pimentel, N, Régia Costa da Silva, L, Lourdes Tavares Neta, M, Geraldo Costa, M

“…Abstract The objective of this research was to evaluate the dry matter intake, feed conversion and feed efficiency of confined sheep fed diets at different…”
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An NLP penalty-based strategy for handling discrete controls for Volt/Var optimization in distribution systems by de Vasconcelos, Fillipe M., da Costa, Geraldo R. M., Lage, Guilherme G.

“…This paper proposes a nonlinear programming (NLP) penalty-based strategy for solving the Volt/Var optimization (VVO) problem in distribution systems,…”
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Optimal Reactive Dispatch Problem via Improved Newton Approach by De Sousa, Vanusa A., Da Costa, Geraldo R. M.

“…This article proposes a new approach to solve the optimal reactive dispatch problem, based on Newton approach and the primal-dual logarithmic barrier method. A…”
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Penalty-Based Nonlinear Solver for Optimal Reactive Power Dispatch With Discrete Controls by Soler, Edilaine Martins, Asada, Eduardo N., da Costa, Geraldo R. M.

“…The optimal reactive dispatch problem is a nonlinear programming problem containing continuous and discrete control variables. Owing to the difficulty caused…”
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