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Rodrigo Ortega-Toro, Ángel Villabona-Ortíz, Candelaria Tejada-Tovar, Adriana Herrera-Barros and Daniela Cabrales-Sanjuan
Chemically modified bioadsorbents were prepared using sawdust (Aspidosperma polyneuron) functionalized with urea at different concentrations (BC-1M, BC-3M, and BC-6M) to evaluate their adsorption capacity by the methylene blue method. Fourier transform s...
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Candelaria Tejada-Tovar, Ángel Villabona-Ortíz, Ángel Darío González-Delgado, Adriana Herrera-Barros and Rodrigo Ortega-Toro
Water treatment alternatives such as adsorption using agricultural residues are currently being studied to eliminate pollutants that cause eutrophication in water bodies, avoiding the alteration of aquatic ecosystems. In this work, two bio-adsorbents wer...
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Vinícius Monteiro Pereira,Rodrigo de Souza Gonçalves,Abimael de Jesus Barros Costa
O objetivo geral deste trabalho foi analisar o perfil da produção científica nacional voltada à temática dos comitês de auditoria nos principais periódicos de contabilidade e administração do Brasil. As pesquisas destinadas à essa temática buscam compree...
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Alexander Paulo do Carmo Baduino,Rodrigo Studart Corrêa,Cássia Beatriz Rodrigues Munhoz,Jair Eustáquio Quintino de Faria Júnior,João Bernardo de Azevedo Bringel Junior,Letícia dos Santos Barros,Pietro Matheus Pereira Santos
Pág. 436 - 450
Dominância de espécies exóticas invasoras e compactação de substratos minerados são filtros ecológicos que geralmente restringem o estabelecimento e o crescimento de espécies nativas de plantas em jazidas mineradas. O entendimento dos mecanismos de atuaç...
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Patricia Costa Louzada,Rodrigo Alvarenga Rosa,Matheus Batista Foletto,Lucas de Barros Pimenta
Pág. 155 - 166
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Pedro Henrique Rodrigues da Silva, Jéssica Gonçalves Barbosa, Rodrigo Augusto Barella, Anderson Barros Caixeta Araújo, Indianara Conceição Ostroski
Pág. 215 - 222
The goal of this work was to study the adsorption equilibrium of ions Zn2+ and Cd2+ using bovine bone char in fixed bed columns. Dynamic tests were performed with upstream flow fixed bed column, at 30oC and average particle diameter of 0.08 mm. Initially...
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Rodrigo Barros de Borba, Sergio Luiz Moni Ribeiro Filho, Lincoln Cardoso Brandão
Pág. 465 - 468
Drilling is among the most important manufacturing processes in modern industry. Information on the dynamics of the drilling process is very important to define optimum input parameters. The minimization of burrs is a great challenge in drilling process....
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Rodrigo Augusto Alves de Figueiredo,Flávio Bezerra Barros
A partir de uma abordagem etnoecológica, estudamos os saberes, as cosmologias e as estratégias de caçadores sobre a fauna silvestre de importância alimentar. O estudo foi conduzido junto a uma comunidade quilombola da Reserva Extrativista Ipaú-Anilzinho,...
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Rodrigo Barros, José Samuel Giongo
Pág. 211 - 220
This paper analyzes the behavior of reinforced concrete two pile caps with embedded socket, used as connection in precast concrete structures. To this end, it was specifically studied the effect of the locking beam on the pile caps when supported by the ...
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José Ariévilo Gurgel Rodrigues, Ismael Nilo Lino de Queiroz, Érika Façanha Bessa, Chistiane Oliveira Coura, Rodrigo César das Neves Amorim, Norma Maria Barros Benevides
Pág. 371 - 378
Heparin (HEP) is known due to their side effects and the red seaweed Halymenia floresia (Hf) sulfated polysaccharides (SP) are heparinoids. In this study we purified the Hf-SP obtained from an aqueous extract and evaluated their anticoagulant activities....
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