Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Paulo Renato P. Paiva"'
Autor:
Luiza Esteves, Paulo Renato Perdigão Paiva, Adolfo Kalergis do Nascimento Viana, Vanessa de Freitas Cunha Lins
Publikováno v:
Materials Research, Vol 20, Iss 1, Pp 30-35 (2016)
In this study, X-Ray Diffraction (XRD) and Rietveld Refinement were performed to identify and quantify the ferrite and austenite phase of cold and hot rolled duplex stainless steels (UNS S31803) and lean duplex stainless steels (UNS S32304). Electroc
Externí odkaz:
https://doaj.org/article/49c4881886bc4dabacc2a0898aa376fa
Autor:
Alberto C. de Campos Bernardi, Marisa Bezerra de Mello Monte, Paulo Renato Perdigão Paiva, Carlos Guarino Werneck, Patrick Gesualdi Haim, Fernando de Souza Barros
Publikováno v:
Revista Brasileira de Ciência do Solo, Vol 34, Iss 2, Pp 435-442 (2010)
Zeolites are hydrated crystalline aluminosilicate minerals of natural occurrence, structured in rigid third dimension net that can be used as slow release plant-nutrient source. The main objective of this study was to evaluate the effects of plant gr
Externí odkaz:
https://doaj.org/article/4cf852ef77ef4f54bac00ffaa2d53c49
Autor:
Alberto Carlos de Campos Bernardi, Carlos Guarino Werneck, Patrick Gesualdi Haim, Nélio das Graças de Andrade da Mata Rezende, Paulo Renato Perdigão Paiva, Marisa Bezerra de Mello Monte
Publikováno v:
Revista Brasileira de Fruticultura, Vol 30, Iss 3, Pp 794-800 (2008)
O objetivo do trabalho foi avaliar o efeito da adição de um concentrado zeolítico enriquecido com N, P e K ao substrato de cultivo sobre o crescimento, produção de matéria seca, área foliar, teores e extração de N, P e K e os teores de cloro
Externí odkaz:
https://doaj.org/article/055c18780c6d4f2d944fd19ce09eae33
Autor:
Nathalia C. Pissolati, Jorge L. López, Paulo Renato P. Paiva, Angela de Mello Ferreira, Gabriela Cordeiro Silva, Virginia S.T. Ciminelli
Publikováno v:
Materials Research Bulletin. 49:544-551
Degradation of methylene blue (MB) is investigated using Mn 3 O 4 as an oxidant. Discrete Mn 3 O 4 particles and Mn 3 O 4 /Fe 3 O 4 nanocomposites are synthesized via coprecipitation by using air as an oxidant in the absence and presence of previousl
Autor:
Virginia S.T. Ciminelli, Isabel Cristina Souza Dinóla, Maria Sylvia Silva Dantas, Paulo Renato P. Paiva, Gabriela Cordeiro Silva, Ana Pacheli Heitmann, Angela de Mello Ferreira
Publikováno v:
Water science and technology : a journal of the International Association on Water Pollution Research. 74(12)
In this study, a composite with magnetic properties has been successfully synthesized by a novel and environmentally friendly route and is applied to Cd(II) adsorption for water decontamination. The quantification of the phases obtained by Rietveld r
Autor:
Maria Sylvia Silva Dantas, Paulo Renato P. Paiva, G. Timò, João Trajano da Silva Neto, Angela de Mello Ferreira, Magnum Augusto Moraes Lopes de Jesus
Publikováno v:
Applied Adhesion Science. 3(1)
Self-cleaning surfaces have excelled in recent years in energy and environmental fields. In particular, in solar energy area, these surfaces are used to avoid soiling accumulation on photovoltaic (PV) modules. So far TiO2 has been widely used due to