Zobrazeno 1 - 4
of 4
pro vyhledávání: '"Rodolfo Luíz Bezerra de Araújo Medeiros"'
Autor:
Heloísa Pimenta de Macedo, Rodolfo Luíz Bezerra de Araújo Medeiros, Amanda Lucena de Medeiros, Ângelo Anderson Silva de Oliveira, Gilvan Pereira de Figueredo, Marcus Antônio de Freitas Melo, Dulce Maria de Araújo Melo
Publikováno v:
Materials Research, Vol 20, Iss suppl 2, Pp 29-33 (2017)
In this work, zinc aluminate spinel was prepared by two methods of directly synthesis (without calcination): microwave assisted combustion and hydrothermal method. The materials were characterized by X-ray diffraction (XRD), scanning electron microsc
Externí odkaz:
https://doaj.org/article/cb299e8f57dc4a3488b1c6ebaa156c87
Autor:
Janduir Egito da Silva, Guilherme Quintela Calixto, Rodolfo Luiz Bezerra de Araújo Medeiros, Marcus Antônio de Freitas Melo, Dulce Maria de Araújo Melo, Luiz Paulo de Carvalho, Renata Martins Braga
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
Abstract This study aims to analyze the products of the catalytic pyrolysis of naturally colored cotton residues, type BRS (seeds from Brazil), called BRS-Verde, BRS-Rubi, BRS-Topázio and BRS-Jade. The energy characterization of biomass was evaluate
Externí odkaz:
https://doaj.org/article/dd1bf902f08c4dc3b6be5d5135880162
Autor:
Gilvan Pereira de Figueredo, Alexandre Fontes Melo de Carvalho, Rodolfo Luiz Bezerra de Araújo Medeiros, Francisco Marcelo Silva, Heloísa Pimenta de Macêdo, Marcus Antônio de Freitas Melo, Dulce Maria de Araújo Melo
Publikováno v:
Materials Research, Vol 20, Iss suppl 2, Pp 254-259 (2017)
Magnesium aluminate can be obtained by the methods: ceramic method, sol-gel, co-precipitation, hydrothermal and combustion. However, this work presents a simple and low cost route to obtain MgAl2O4 through the gelatin method. The main objective was t
Externí odkaz:
https://doaj.org/article/b11fbd4132aa4b79ac193439fa8e43bf
Autor:
Cíntia de Castro Costa, Dulce Maria de Araújo Melo, Antonio Eduardo Martinelli, Marcus Antônio de Freitas Melo, Rodolfo Luiz Bezerra de Araújo Medeiros, João Andrade Marconi, Joana Maria de Farias Barros
Publikováno v:
Materials Research, Vol 18, Iss 4, Pp 714-722 (2015)
There is a growing concern on the relationship between anthropogenic carbon dioxide and climate changes. A promising approach is the adsorption technology using mesoporous MCM-41 materials that can be easily synthesized to depict structures adequate
Externí odkaz:
https://doaj.org/article/6dc4a2aca631433e9a2130fdd51619f7