Zobrazeno 1 - 10
of 49
pro vyhledávání: '"Adhimar Flávio Oliveira"'
Publikováno v:
Polímeros, Vol 33, Iss 3 (2023)
Abstract Graphene oxide (GO) was electropolymerized with polyaniline (PANI) during graphite exfoliation in 0.1 M H2SO4 electrolyte and 0.1 M aniline monomer solution. Characterization techniques, including Infrared Absorption Spectroscopy (FTIR), The
Externí odkaz:
https://doaj.org/article/6ec7f54c9e1e4e8e8b8c9eab0f7596c0
Autor:
Nelson Gustavo Alves Pereira, Maria Elena Leyva Gonzaléz, Alvaro Antonio Alencar de Queiroz, Adhimar Flávio Oliveira, Estácio Tavares Wanderley Neto
Publikováno v:
Energies, Vol 16, Iss 20, p 7019 (2023)
This study presents a new methodology for graphene oxide (GO) synthesis through electrochemical exfoliation of graphite, followed by phthalic anhydride functionalization (PhA-GO) and doping with Cu2+ and Ag+ ions. The synthesis of GO involved the use
Externí odkaz:
https://doaj.org/article/bafa44f52fe14460a2557ed63dc7ccda
Autor:
Valesca Donizeti de Oliveira, Rero Marques Rubinger, Manoel Ribeiro da Silva, Adhimar Flávio Oliveira, Geovani Rodrigues, Vander Alkmin dos Santos Ribeiro
Publikováno v:
Materials Research, Vol 19, Iss 4, Pp 786-790 (2016)
In the present work, mixed manganese-copper ferrite of composition MnxCu1-xFe2O4 (within x=0.40, 0.42, 0.44, 0.46, 0.48 and 0.50) have been investigated for their electric and magnetic properties such as dc resistivity, Curie temperature, saturation
Externí odkaz:
https://doaj.org/article/e6df08b3cce34057966951a91f86fd26
Autor:
Claudiney de Sales Pereira Mendonça, Adhimar Flávio Oliveira, Leonardo Albergaria Oliveira, Manoel Ribeiro da Silva, Mirian de Lourdes Noronha Motta Melo, Gilbert Silva
Publikováno v:
Materials Research, Vol 21, Iss 1 (2017)
In this study, the high energy mechanical milling was utilized to the production of duplex stainless steel powders from the recycling chips with and without the addition niobium carbide. The effect of milling time and addition carbide on the morpholo
Externí odkaz:
https://doaj.org/article/197eeca36acb4fa18eef94ed4030fef5
Autor:
Vander Alkmin dos Santos Ribeiro, Luciano Floriano Barbosa, Adhimar Flávio Oliveira, Bruno Nannetti Dias Paiva, Valquíria Claret Dos Santos, João Lucas Pereira da Silva da Silva
Publikováno v:
Holos Environment. 22:108-124
O trabalho presente tem como um objetivo geral a investigação das propriedades físicas e mecânicas do concreto convencional com substituição metacaulim e adição de fibra de bambu. O uso do bambu pela humanidade é feito desde os primórdios s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::183944f99f0c4eebbb9b4325f9b57697
https://doi.org/10.14295/holos.v22i2.12481
https://doi.org/10.14295/holos.v22i2.12481
Publikováno v:
IEEE Transactions on Instrumentation and Measurement. 70:1-7
Due to the large reduction in fossil fuel reservoirs, the consequent cost increase of deepwater extraction, and the emission of pollutants, there is a constant search for alternative ways to obtain clean energy at a lower cost. Among those sources, w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7573a5127b8500a51597320e3d04435b
https://doi.org/10.1109/tim.2021.3115213
https://doi.org/10.1109/tim.2021.3115213
Publikováno v:
Research, Society and Development; Vol. 11 No. 6; e0211628383
Research, Society and Development; Vol. 11 Núm. 6; e0211628383
Research, Society and Development; v. 11 n. 6; e0211628383
Research, Society and Development
Universidade Federal de Itajubá (UNIFEI)
instacron:UNIFEI
Ranulfo da Silva Dias
Research, Society and Development; Vol. 11 Núm. 6; e0211628383
Research, Society and Development; v. 11 n. 6; e0211628383
Research, Society and Development
Universidade Federal de Itajubá (UNIFEI)
instacron:UNIFEI
Ranulfo da Silva Dias
In this work, knowing that the little importance of scientific dissemination can lead to the weakening of critical thinking in individuals in obtaining adequate knowledge. We present a methodology of three traditional classes with a logical sequence
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::b9177b34f1159c78dd1964f9e6bceacb
https://rsdjournal.org/index.php/rsd/article/view/28383
https://rsdjournal.org/index.php/rsd/article/view/28383
Publikováno v:
Solar Energy. 201:420-436
This work studied the effects of noises on four metaheuristic algorithms, namely the Self-Adaptive Differential Evolution (DE), Performance Guided JAYA (PGJAYA), Self-Adaptive Teaching-Learning Based Optimization (SATLBO) and Biogeography-based Heter
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8cfb41f3b5d2b97a13a93fe23e99bc94
https://doi.org/10.1016/j.solener.2020.02.093
https://doi.org/10.1016/j.solener.2020.02.093
Publikováno v:
Research, Society and Development. 12:e0612139401
Este trabalho é um relato da aplicação de um experimento com o objetivo buscar um recurso pedagógico que fosse ao mesmo tempo simples e lúdico mais que fosse capaz de transmitir conceitos físicos que estão por trás da astronomia às crianças
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::76848acc0f6b404903ebe8e14d092a53
https://doi.org/10.33448/rsd-v12i1.39401
https://doi.org/10.33448/rsd-v12i1.39401
Autor:
Rafael Gonçalves Torres, Mirian de Lourdes Noronha Motta Melo, Valquíria Claret dos Santos, Vander Alkmin dos Santos Ribeiro, Adhimar Flávio Oliveira, Ana Paula Mota Alves
Publikováno v:
Research, Society and Development. 11:e481111335642
O objetivo desse trabalho é avaliar a produção de compósito Cimentício autoadensável com os resíduos de vidro moído, nas proporções de 5%, 10%, 15%, 20% e 30% em substituição ao agregado miúdo e investigar suas propriedades físicas e me
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::72825d298c04e4777799b6878afc0ba1
https://doi.org/10.33448/rsd-v11i13.35642
https://doi.org/10.33448/rsd-v11i13.35642