Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Lívia Ramazzoti Chanan Silva"'
Autor:
Aline Regina Walkoff, Sandra Regina Masetto Antunes, Maria Elena Payret Arrúa, Lívia Ramazzoti Chanan Silva, Dionisio Borsato, Paulo Rogério Pinto Rodrigues
Publikováno v:
Orbital: The Electronic Journal of Chemistry, Vol 9, Iss 4, Pp 248-255 (2017)
Physical-chemical analysis data were collected, from 998 ethanol samples of automotive ethanol commercialized in the northern, midwestern and eastern regions of the state of Paraná. The data presented self-organizing maps (SOM) neural networks, whic
Externí odkaz:
https://doaj.org/article/60e2393e17d84c5191c6b7a45a50f7b3
Autor:
Érica Signori Romagnoli, Lívia Ramazzoti Chanan Silva, Karina Gomes Angilelli, Bruna Aparecida Denobi Ferreira, Aline Regina Walkoff, Dionisio Borsato
Publikováno v:
Acta Scientiarum: Technology, Vol 38, Iss 2, Pp 227-232 (2016)
Samples of automotive ethanol, marketed in the northern and eastern regions of the state of Paraná, Brazil, underwent physical and chemical tests. Rates were assessed by Multilayer Perceptron (MLP) neural network for classification. For network trai
Externí odkaz:
https://doaj.org/article/e73e7b8e2db64ac78632ac96f5559aaf
Autor:
Elisangêla Tavares Silva, Kelly Roberta Spacino, Lívia Ramazzoti Chanan Silva, Érica Signori Romagnoli, Karina Gomes Angilelli, Dionisio Borsato
Publikováno v:
Acta Scientiarum: Technology, Vol 40, Iss 1, Pp e35108-e35108 (2018)
Antioxidants are an alternative to prevent or retard the degradation of biofuels. In this study was utilized biodiesel obtained from the soybean oil transesterification, by methylic route, using sodium methoxide as catalyst. The synthetic antioxidant
Externí odkaz:
https://doaj.org/article/70407764d96b4389a764fe65643fe693
Autor:
Lívia Ramazzoti Chanan Silva, Karina Gomes Angilelli, Hágata Cremasco, Érica Signori Romagnoli, Aline Regina Walkoff, Dionisio Borsato
Publikováno v:
Orbital: The Electronic Journal of Chemistry, Vol 7, Iss 2 (2015)
Artificial neural networks self-organizing map type (SOM) was used to classify samples of automotive gasoline C marketed in the eastern and northern regions of the state of Paraná, Brazil. The input order of parameters in the network were the values
Externí odkaz:
https://doaj.org/article/3fa7d40285b1489d942af12e85c7206c
Autor:
Érica Signori Romagnoli, Diego Galvan, Karina Gomes Angilelli, Dionísio Borsato, Hágata Cremasco, Lívia Ramazzoti Chanan Silva, Mirian Souza Prado Bordin
Publikováno v:
Food Chemistry. 273:99-105
Wet salting is an old preservation method however the NaCl has been frequently associated to high blood pressure issues. The KCl has been used as partial replacement without affecting the acceptability of the final product. In this study, the simulta
Autor:
Érica Signori Romagnoli, Letícia Thaís Chendynski, Edmilson Antonio Canesin, Lívia Ramazzoti Chanan Silva, Karina Gomes Angilelli, Dionísio Borsato
Publikováno v:
Industrial Crops and Products. 125:59-64
Biodiesel in Brazil is obtained through the mixture of vegetable oils and animal fats. However, some of those raw material sources have characteristics that are more susceptible to oxidation. As an alternative to reduce the speed of the onset of the
Autor:
Letícia Thaís Chendynski, Lívia Ramazzoti Chanan Silva, Felipe Yassuo Savada, Dionísio Borsato, Érica Signori Romagnoli, Daniele Lumi Mateus Tashima, Marissa Kimura
Publikováno v:
Biofuels. 12:673-678
The parameters relative protection factor, induction period, rate constant, density, acidity number, water content, flash point, viscosity, cloud point and pour point of 47 biodiesel samples containing the antioxidants of extracts of senna leaves, hi
Autor:
Lívia Ramazzoti Chanan Silva, Patricia M. Sanchez, Paulo Rogério Catarini da Silva, Emerson Schwingel Ribeiro, Maria Teresa Araujo Silva, Mariana Gava Segatelli, César Ricardo Teixeira Tarley
Publikováno v:
Journal of the Brazilian Chemical Society.
This work deals on the preparation of silicon oxycarbide (SiOC) and silicon boron oxycarbide (SiBOC) ceramics from pyrolysis involving alkoxysilanes with different organic groups. Boron content, organic substituent and annealing time were evaluated o
Autor:
Dionísio Borsato, Lívia Ramazzoti Chanan Silva, Edmilson Antonio Canesin, Érica Signori Romagnoli, Daniele Lumi Mateus Tashima
Publikováno v:
Biofuels. :1-7
Biodiesel is being increasingly used as an alternative energy source to reduce the dependence on derived petroleum fuels. However, sources of raw material for its production may contain substances ...
Autor:
Lívia Ramazzoti Chanan Silva, Letícia Thaís Chendynski, Karina Gomes Angilelli, Dionísio Borsato, Paulo Rogério Catarini da Silva
Publikováno v:
ChemistrySelect. 2:5453-5457
Most commercial biodiesel is produced with homogeneous basic catalyst however, environmental and economically, the use of heterogeneous catalysis is potentially advantageous since they can be reused. This work aimed to evaluate the influence of homog