Zobrazeno 1 - 10
of 65
pro vyhledávání: '"C. Calza"'
Autor:
Ana L. Oliveira, T.A. Lima, André Rocha Pimenta, Douglas S. R. Ferreira, C. Calza, Renato Pereira de Freitas, Rafaela Tavares Batista, P.C.L. Brito, Iohanna M. Ribeiro, Marcelino J. Anjos, Ricardo Tadeu Lopes, Valter Souza Felix, Marcelo O. Pereira, Elicardo A.S. Gonçalves
Publikováno v:
Vibrational Spectroscopy. 87:111-115
In this paper, nine beads from excavations in the Valongo Wharf, located in the harbor area of Rio de Janeiro, Brazil that were utilized as ornaments by Africans and Afrodescendants during the 19th century were analyzed by Raman and X-Ray Fluorescenc
Autor:
Maria D. Gaspar, C. Calza, Renato Pereira de Freitas, Iohanna M. Ribeiro, Valter S. Felix, Mariane Lucena Silva, Ricardo Tadeu Lopes, Douglas S. R. Ferreira, André Rocha Pimenta, Ana L. Oliveira, Felipe A. Coelho, Elanio A. Medeiros
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 163:140-144
In this study, twenty samples of clay smoking pipes excavated in an 18km(2) area between the Macacu and Caceribu rivers, in the municipality of Itaboraí, Rio de Janeiro, Brazil were analyzed by FT-IR technique. The samples, excavated in different ar
Autor:
Valter S. Felix, Ana L. Oliveira, Iohanna M. Ribeiro, Ricardo Tadeu Lopes, Douglas S. R. Ferreira, André Rocha Pimenta, Renato Pereira de Freitas, R. V. G. Pereira, Marcelo O. Pereira, C. Calza
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 154:67-71
In this study, samples were taken from the sculpture of Our Lady of Sorrows and analyzed by Raman spectroscopy and FT-IR. This sculpture has been dated to the early eighteenth century. Samples were also examined using optical microscopy and Energy Di
Autor:
D.F. Oliveira, J.R. Nascimento, Renato Pereira de Freitas, C. Calza, H.S. Rocha, Ricardo Tadeu Lopes
Publikováno v:
Radiation Physics and Chemistry. 116:326-331
This work reports the analysis of two sacred images on polychrome wood using X-ray Radiography and Energy Dispersive X-Ray Fluorescence. The first case is the analysis of a sculpture portraying Saint Sebastian, the patron saint of Rio de Janeiro, whi
Autor:
C. Calza, Gabriela R. Pereira, Ricardo Tadeu Lopes, I. Lima, Marcelino J. Anjos, Carlos A. Pérez, H.S. Rocha
Publikováno v:
X-Ray Spectrometry. 40:260-264
An X-ray transmission microtomography (CT) system combined with an X-ray fluorescence microtomography (XRFµCT) system was implemented in the Brazilian Synchrotron Light Laboratory (LNLS), Campinas, Brazil. The aim of this work was to determine the e
Autor:
Luis Chero, R. Rodriguez R., Angel Bustamante, Roberto Cesareo, M.J. dos Anjos, Marco F. Seclen, Julio Fabián, Walter Alva, Maria C. Del Carmen Espinoza, Ricardo Tadeu Lopes, C. Calza, R. Gutierrez
Publikováno v:
X-Ray Spectrometry. 40:37-46
On the north coast of present-day Peru flourished approximately between 50 and 700 AD the Moche civilisation. They were sophisticated metalworkers and are considered the finest producers of jewels and artefacts of the region. The Moche metalworking a
Publikováno v:
X-Ray Spectrometry. 39:307-310
In this work, 102 fragments of Marajoara ceramics, belonging to the National Museum collection (Rio de Janeiro, Brazil), were analyzed using energy dispersive X-ray fluorescence (EDXRF) and principal component analysis (PCA) in order to identify poss
Publikováno v:
X-Ray Spectrometry. 38:327-332
The pigments used in four of the most representative paintings of the Brazilian artist Rodolfo Amoedo were characterized by means of the EDXRF technique. The analyzed paintings were 'The Last Tamoyo' (1883), 'Study of a Woman' (1884), 'Bust of Mrs. A
Autor:
Ricardo Tadeu Lopes, Gabriela R. Pereira, Carlos A. Pérez, Marcelino J. Anjos, C. Calza, H.S. Rocha
Publikováno v:
IEEE Transactions on Nuclear Science. 56:1426-1429
An X-ray transmission microtomography (CT) system combined with an X-ray fluorescence microtomography (XRFCT) system was implemented in the Brazilian Synchrotron Light Laboratory (LNLS), Campinas, Brazil. The main of this work is to determine the ele