Zobrazeno 1 - 10
of 69
pro vyhledávání: '"Francisco de Assis dos Santos"'
Autor:
Letícia Santana de Oliveira, Leila Lourenço Furtado, Francisco de Assis dos Santos Diniz, Bruno Leonardo Mendes, Thalisson Rosa de Araújo, Luciano Paulino Silva, Thaís Ribeiro Santiago
Publikováno v:
Nanomaterials, Vol 14, Iss 1, p 101 (2023)
This study explores an eco-friendly approach to synthesizing silver nanoparticles (AgNPs) using soybean leaf extracts, employing a reaction with silver nitrate at 65 °C for 2.5 h. Optimal results were achieved at extract concentrations of 3.12 and 6
Externí odkaz:
https://doaj.org/article/e2f4a648480e47aa919a4a9fd22ed530
Autor:
Fabiano Touzdjian Pinheiro Kohlrausch Távora, Francisco de Assis dos Santos Diniz, Camila de Moraes Rêgo-Machado, Natália Chagas Freitas, Fabrício Barbosa Monteiro Arraes, Eduardo Chumbinho de Andrade, Leila Lourenço Furtado, Karen Ofuji Osiro, Natália Lima de Sousa, Thiago Bérgamo Cardoso, Liliane Márcia Mertz Henning, Patrícia Abrão de Oliveira Molinari, Sérgio Enrique Feingold, Wayne B. Hunter, Maria Fátima Grossi de Sá, Adilson Kenji Kobayashi, Alexandre Lima Nepomuceno, Thaís Ribeiro Santiago, Hugo Bruno Correa Molinari
Publikováno v:
Frontiers in Bioengineering and Biotechnology, Vol 10 (2022)
Clustered regularly interspaced short palindromic repeats (CRISPR)/CRISPR-associated gene (Cas) system and RNA interference (RNAi)-based non-transgenic approaches are powerful technologies capable of revolutionizing plant research and breeding. In re
Externí odkaz:
https://doaj.org/article/7bfdf7827c384231a78430307d96ecf1
Publikováno v:
Revista Científica de Ingeniería Energética, Vol xxxv, Iss 2, Pp 101-111 (2014)
Uno de los generadores eólicos de velocidad variable más utilizados en la actualidad es el generador de inducción doblemente alimentado (DFIG). En el presente trabajo se presenta un esquema de control del DFIG. El convertidor de potencia del lado
Externí odkaz:
https://doaj.org/article/f894cf87f2734bffae8e603f94308458
Publikováno v:
Revista Científica de Ingeniería Energética, Vol 35, Iss 2 (2015)
Uno de los generadores eólicos de velocidad variable más utilizados en la actualidad es el generador de inducción doblemente alimentado (DFIG). En el presente trabajo se presenta un esquema de control del DFIG. El convertidor de potencia del lado
Externí odkaz:
https://doaj.org/article/144f55821d454fb793164dcd36ee9fa7
Autor:
Marcelo Cabral Cavalcanti, Gustavo Medeiros de Souza Azevedo, Bruno de Aguiar Amaral, Francisco de Assis dos Santos Neves, Davi Carvalho Moreira, Kleber Carneiro de Oliveira
Publikováno v:
Eletrônica de Potência, Vol 11, Iss 2, Pp 93-101 (2006)
This paper presents a system that provides photovoltaic generation as well as the ability to compensate current harmonics and voltage sags. The system can be controlled for current harmonics and reactive power compensation simultaneously by using a c
Externí odkaz:
https://doaj.org/article/e80bbe82473b4285b01b1a8d39c5c04d
Autor:
Antonio Samuel Neto, Eduardo Luiz Reis Pinheiro, Francisco de Assis dos Santos Neves, Selênio Rocha Silva, Pedro André Carvalho Rosas
Publikováno v:
Eletrônica de Potência, Vol 10, Iss 2, Pp 67-75 (2005)
Neste artigo, apresentam-se a modelagem de aerogeradores e a análise dos efeitos da sua conexão em redes elétricas. São contempladas três diferentes topologias de turbinas: com gerador de indução com rotor tipo gaiola, com gerador de indução
Externí odkaz:
https://doaj.org/article/1c33ed5a2a384448b041af2ab913e851
Autor:
Marcelo Cabral Cavalcanti, Francisco de Assis dos Santos Neves, Denizar Cruz Martins, Emilio José Bueno Peña, Euzeli Cipriano dos Santos Júnior
Publikováno v:
International Journal of Photoenergy, Vol 2015 (2015)
Externí odkaz:
https://doaj.org/article/aeadb9240c2844989e5d1aef3e00375d
Autor:
Arineu F. dos Santos, Francisco de Assis dos Santos Neves, Ronaldo Ribeiro Barbosa de Aquino, Marcelo Cabral Cavalcanti
Publikováno v:
Eletrônica de Potência, Vol 15, Iss 2 (2010)
This work presents a method for increasing the efficiency of three-phase induction motor drives over the entire operation range. The direct field oriented control of induction motors, including the effects of magnetic saturation is used. The magnetic
Externí odkaz:
https://doaj.org/article/3a8fcfcf57c544ca9c26ca74266d8048
Autor:
Francisco de Assis dos Santos Neves, Roberto Feliciano Dias Filho, Felipe C. Camboim, Marcelo Cabral Cavalcanti, Emilio J. Bueno
Publikováno v:
Eletrônica de Potência, Vol 15, Iss 2 (2010)
In this paper a new discrete-time sliding mode control scheme for three-phase PWM rectifiers is proposed. Active and reactive powers are directly controlled using a virtual-flux oriented reference frame. Robustness of the proposed methodology under i
Externí odkaz:
https://doaj.org/article/cc77fc434d3f4448864bd3daa8eab350
Autor:
da Silva, Leonardo V., de Almeida, Andresa K.A., Xavier, Jadriane A., Lopes, Cleylton B., Silva, Francisco de Assis dos Santos, Lima, Phabyanno R., dos Santos, Nicholas D., Kubota, Lauro T., Goulart, Marília O.F.
Publikováno v:
In Journal of Electroanalytical Chemistry 15 October 2018 827:230-252