PAULO TADEU MEIRA E SILVA DE OLIVEIRA
43 resultados
Resultados de Busca
Agora exibindo 1 - 10 de 43
Artigo IPEN-doc 22310 Mercury and methylmercury in the children hair and fish mostly consumed in Cubatão, São Paulo state, Brazil2014 - FARIAS, LUCIANA A.; FAVARO, DEBORAH I.T.; OLIVEIRA, PAULO T.M.S.; BRAGA, ELISABETE de S.Capítulo IPEN-doc 22199 Caracterización química de cerámicas del sitio Hatahara, Amazonia - Brasil2010 - NUNES, KELLY P.; MUNITA, CASIMIRO S.; OLIVEIRA, PAULO M.S.; NEVES, EDUARDO G.; TAMANAHA, EDUARDO K.En este trabajo se determinaron las concentraciones de As, Ba, Ce, Co, Cr, Cs, Eu, Fe, Hf, K, La, Lu, Na, Nd, Sb, Sm, U e Yb, Rb, Se, Ta, Tb, Th y Zn por medio del método de análisis por Activación Neutrónica Instrumental, AANI, en 127 muestras de cerámicas del sitio arqueológico Hatahara. El sitio se localiza en el município de lranduba, estado del Amazonas, Brasil. Los resultados de las concentraciones elementales fueron interpretados por media de análisis de agrupamiento y discriminante. Los estudios mostraron la existencia de tres grupos de cerámicas, que confirman las tres fases culturales distintas de ocupación, llamadas de Manacapuru, Paredón y Guarita.Artigo IPEN-doc 21004 Trace elements in livers of great egret (Ardea alba) from the São Paulo metropolitan region: a preliminary assessment of temporal trends2015 - SILVA, RITA de C.A.; SAIKI, MITIKO; MOREIRA, EDSON G.; OLIVEIRA, PAULO T.M.S.Resumo IPEN-doc 18669 Assessment of environmental trace element contamination in the São Paulo Metropolitan Region, Brazil, using the liver of the Great White heron ( ARDEA ALBA LINNAEUS( 1758)) as bioindicator2012 - SILVA, RITA de C.A.; SAIKI, MITIKO; MOREIRA, EDSON G.; OLIVEIRA, PAULO T.M. e S.Artigo IPEN-doc 13990 Normalizacao e padronizacao por meio da transformacao logaritmica em estudos arqueometricos de ceramicas2007 - SANTOS, J.O.; MUNITA, C.S.; VERGNE, C.; OLIVEIRA, P.M.S.Artigo IPEN-doc 13991 Aplicacao de analise procrustes em dados arqueometricos2007 - OLIVEIRA, PAULO T.M. e S. de; BARROSO, LUCIA P.; MUNITA, CASIMIRO S.Artigo IPEN-doc 12138 The utilization of trace chemical composition to correlate ceramics with clay deposits2007 - NUNES, KELLY P.; TOYOTA, ROSIMEIRI G.; MUNITA, CASIMIRO S.; OLIVEIRA, PAULO M.S.; NEVES, EDUARDO G.; SOARES, EMILIO A.A.In this work, 22 clay samples near Hatahara and Açutuba archaeological sites, and 135 ceramic samples were analyzed by means of Instrumental Neutron Activation Analysis. INAA is the most suitable technique because it does not require mineralization of samples and has high sensitivity, accuracy and precision. The samples were irradiated in IEA-R1 reactor at IPEN-CNEN-SP at thermal neutron flux of 8,92x10 12 cm -2 s -1 during one hour. The elementary concentration results were studied using multivariate statistical methods. The compositions group classification was done through cluster analysis and the similarity/dissimilarity among the samples was studied by means of discriminant analysis.Artigo IPEN-doc 10680 Preliminary study of chemical compositional data from amazon ceramics2005 - TOYOTA, R.G.; MUNITA, C.S.; NEVES, E.G.; LUZ, F.A.; OLIVEIRA, P.M.S.Artigo IPEN-doc 18772 Minor and rare earth elements as paleoenvironmental markers of late quaternary sediments in Marajo Island, Northern Brazil2012 - ROSSETTI, DILCE de F.; SEPULVEDA MUNITA, CASIMIRO; OLIVEIRA, PAULO M.S.Artigo IPEN-doc 16147 Aplicacao de metodo de imputacao para substituicao de dados discrepantes univariados obtidos em resultados exprimentais2010 - OLIVEIRA, PAULO T.M. e S.; SEPULVEDA MUNITA, CASIMIRO J.