Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Jurandir P. Pinto"'
Autor:
Diego Galvan, Juliane R. Orives, Rodolfo L. Coppo, Cezar Henrique F. Rodrigues, Kelly Roberta Spacino, Jurandir P. Pinto, Dionísio Borsato
Publikováno v:
Química Nova, Vol 37, Iss 2, Pp 244-248 (2014)
The quality of biodiesel is extremely important for its commercialization and use; oxidation of biodiesel is a critical factor because it decreases the fuel storage time. A commercial biodiesel was mixed with synthetic antioxidants, according to a si
Externí odkaz:
https://doaj.org/article/62a8cdf64bb442ae80d92eba624bd9f0
Autor:
Victor P. Piracelli, Ismael R. Amador, Fabio C. Sabino, Jurandir P. Pinto, Carlos R. Silva Jr., Maria Cristina Solci
Publikováno v:
Química Nova, Vol 43, Iss 4, Pp 404-412
Intensive use of asphalt generates pollutants into the atmosphere which are harmful to the environment and worrying for occupational health. The application of asphalt products leads to emissions of significant concentrations of polycyclic aromatic h
Externí odkaz:
https://doaj.org/article/19bcf08811a5486f893f1b3ec7f2dfda
Publikováno v:
Orbital: The Electronic Journal of Chemistry, Vol 8, Iss 3, Pp 189-193 (2016)
Atmospheric particulate matter (PM) is an important constituent of ambient air. The determination of its concentration and size distribution in different environments is essential because of its ability to penetrate deeply into animal and human respi
Externí odkaz:
https://doaj.org/article/bb0e0ae4cc5746e6bd60c65d14ba7526
Autor:
Fabio Cal Sabino, Jurandir Pereira Pinto, Victor Pontes Picarelli, Ismael R. Amador, Leila D. Martins, Thorsten Hoffmann, Maria Cristina Solci
Publikováno v:
Orbital: The Electronic Journal of Chemistry, Vol 7, Iss 3, Pp 245-252 (2015)
In order to verify the presence of polycyclic aromatic hydrocarbons (PAHs) and nitro-PAH (NPAH) associated with the fine fraction of particulate matter (PM1.0 and PM2.5) from the combustion of diesel/biodiesel mixture (B5), daily samples were carried
Externí odkaz:
https://doaj.org/article/725a21cd95454a3e834cec1807fb2a2a
Autor:
Jurandir Pereira Pinto, Leila Droprinchinski Martins, Fabio Cal Sabino, Ismael Rodrigues Amado, Maria Cristina Solci
Publikováno v:
Orbital: The Electronic Journal of Chemistry, Vol 6, Iss 2, Pp 75-81 (2014)
In order to investigate the concentration profile of PM in different aerodynamic sizes of the atmosphere threatened by light duty traffic, samples of PM (PM2.5 and PM10) were collected in a closed business parking lot, where only light duty vehicles
Externí odkaz:
https://doaj.org/article/b999b13a89414ac29765a75869c981dd
Autor:
Dayana Lacerda Custódio, Rafaela Pinheiro Burgo, Bárbara Moriel, Aneli de Melo Barbosa, Maria Ines Rezende, Juliana Feijó de Souza Daniel, Jurandir Pereira Pinto, Edmilson Bianchini, Terezinha de Jesus Faria
Publikováno v:
Brazilian Archives of Biology and Technology, Vol 53, Iss 6, Pp 1363-1369 (2010)
The present study describes the chemical composition and antimicrobial activity of essential oils obtained by hydrodistillation from the leaves of Pimenta pseudocaryophyllus (1.0% w/w) and Tynanthus micranthus (1.1% w/w). GC and GC/MS analysis demons
Externí odkaz:
https://doaj.org/article/e8b211bed85b4455a4622f8ac4893914
Autor:
Iuri Bezerra de Barros, Queli Cristina Fidelis, Juliana Feijo de Souza Daniel, Jurandir Pereira Pinto, Audrey Alesandra Stinhen Garcia Lonni, Gideão Silva Ribeiro, Raimundo Braz- Filho, Norton Resende de Araújo, Dalva Trevisan Ferreira
Publikováno v:
Semina: Ciências Exatas e Tecnológicas, Vol 31, Iss 2 (2010)
Coccoloba mollis é uma planta medicinal utilizada em Londrina, Paraná Brasil. O extrato das raízes apresentou maior atividade contra a Artemia salina (CL50 68.5 microg/mL) do que o extrato das folhas (CL50 1342 microg mL) e demonstrou boa atividad
Externí odkaz:
https://doaj.org/article/83ced21576074f84a24365bb0a3545f0
Autor:
Dionisio Borsato, Carmen Luisa Barbosa Guedes, Ivanira Moreira, Jurandir Pereira Pinto, Gabriel Henrique Dias, Kelly Roberta Spacino
Publikováno v:
Semina: Ciências Exatas e Tecnológicas, Vol 31, Iss 1 (2010)
A otimização do rendimento da reação de transesterificação de obtenção do biodiesel B100 foi estudada utilizando hidróxido de sódio, hidróxido de potássio, metóxido e etóxido de sódio como catalisadores. Foi aplicado o delineamento exp
Externí odkaz:
https://doaj.org/article/1e966d9f86fa42eeac4cd11cfcb5c7e1
Publikováno v:
Semina: Ciências Exatas e Tecnológicas, Vol 27, Iss 2 (2006)
Os constituintes da gasolina benzeno, tolueno, etilbenzeno e xilenos (BTEX) são freqüentemente encontrados em solos devido a vazamentos de tanques de estocagem de combustíveis e apresentam toxicidade crônica. Neste trabalho foi desenvolvida e val
Externí odkaz:
https://doaj.org/article/c2a97c97d2104e75a43ee7a94f940b8f
Autor:
Angelita Aparecida Ribeiro da Silva, Ilza Lobo, Carmen Luísa Barbosa Guedes, Jurandir Pereira Pinto
Publikováno v:
Semina: Ciências Exatas e Tecnológicas, Vol 27, Iss 2 (2006)
O aumento do número de postos de combustíveis no Brasil possibilitou-se também um aumento do risco de contaminação das águas subterrâneas devido aos derramamentos de combustíveis. Os hidrocarbonetos policíclicos aromáticos (HPAs), component
Externí odkaz:
https://doaj.org/article/620e7b88cb054bc9bbbe369d6de9aa98