Zobrazeno 1 - 10
of 41
pro vyhledávání: '"RICARDO T. LOPES"'
Autor:
Manuella Folly, Thais H. Condez, Davor Vrcibradic, Carlos F. D. Rocha, Alessandra S. Machado, Ricardo T. Lopes, José P. Pombal Jr.
Publikováno v:
Vertebrate Zoology, Vol 74, Iss , Pp 1-21 (2024)
Abstract Brachycephalus is a genus of small ground-dwelling anurans, endemic to the Brazilian Atlantic Forest. Recent molecular analyses have corroborated the monophyly of three species groups within this genus (B. ephippium, B. ephippium, and B. eph
Externí odkaz:
https://doaj.org/article/6d225264ad11423791e6b02a9ce5daea
Autor:
Giovanni E. Gigante, Roberto Cesareo, Angel Bustamante, Arabel Fernandez, Régulo Franco, Soraia Azeredo, Ricardo T. Lopes
Publikováno v:
Heritage, Vol 6, Iss 9, Pp 6268-6290 (2023)
The authors studied forty-three beautiful nose ornaments from the Moche tomb of the Lady of Cao, located in the north of Peru, which has been dated to be around 300–400 d.C. Of these items, thirty-nine are composed of a sheet of gold alloy joined t
Externí odkaz:
https://doaj.org/article/c9e3ac3dbde945989ec8f0955fa0c046
Autor:
Francis A. C. R. A. Sanches, Raysa C. Nardes, Ramon S. dos Santos, Roberta G. Leitão, Catarine C. G. Leitão, Joaquim T. Assis, Elanie T. de Gusmão, Ricardo T. Lopes, Davi F. de Oliveira, Marcelino J. dos Anjos
Publikováno v:
Semina: Ciências Exatas e Tecnológicas, Vol 44 (2023)
In this {work}, the X-ray fluorescence technique was employed to characterize the pictorial materials used in two sculptures from the 18th. In addition, Raman spectroscopy was used to characterize the preparation layers used in the sculptures. {The a
Externí odkaz:
https://doaj.org/article/56d5f1e7c8304c949a63a23a02c6d593
Autor:
Guilherme O.A. da Silva, Simone Pennafirme, Daniella da Costa Pereira, Carolina C.C. Waite, Ricardo T. Lopes, Inayá C.B. Lima, Mirian A.C. Crapez
Publikováno v:
Biofilm, Vol 2, Iss , Pp 100034- (2020)
Microorganisms, such as bacteria, tend to aggregate and grow on surfaces, secreting extracellular polymeric substances (EPS), forming biofilms. Biofilm formation is a life strategy, because through it microorganisms can create their own microhabitats
Externí odkaz:
https://doaj.org/article/f3bac37c07274212ac0651b0a15e68ae
Autor:
Nivia G. V. Pinto, Rogério A. Figueiras, Leonardo Mendonça, Delson Braz, Regina C. Barroso, Ricardo T. Lopes
Publikováno v:
Revista Brasileira de Hematologia e Hemoterapia, Vol 30, Iss 2, Pp 132-135 (2008)
O aumento nas aplicações das radiações ionizantes pode produzir exposição de pessoas e objetos a campos de radiação, onde a intensidade depende do tipo da fonte e da atividade desenvolvida. Nesse trabalho, perfis de espalhamento de amostras l
Externí odkaz:
https://doaj.org/article/7d9f9fbcd89f4695b0ac4335bcafc69c
Autor:
Cristiane Calza, Marcelino J. Anjos I, Sheila M.F. Mendonça de Souza, Antonio Brancaglion Jr, Ricardo T. Lopes
Publikováno v:
Journal of Biological Research, Vol 80, Iss 1 (2005)
This work evaluates the chemical composition of pigments used in decorative paintings in the coffin cartonage fragments and linen wrappings of an Egyptian mummy, using X-ray microfluorescence with synchrotron radiation technique. The measures were ob
Externí odkaz:
https://doaj.org/article/84ed83f715e14ed78b066cc4adcb5286
Autor:
LÍLIAN P. BERGQVIST, PAULO VICTOR LUIZ G.C. PEREIRA, ALESSANDRA S. MACHADO, MARIELA C. DE CASTRO, LUIZA B. MELKI, RICARDO T. LOPES
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 91, Iss suppl 2
Abstract: Riostegotherium yanei from the Itaboraí Basin, Brazil, is the oldest known Xenarthra. This paper aims to describe the internal morphology of the osteoderms of Riostegotherium yanei from the perspective of histology and micro-CT approaches,
Externí odkaz:
https://doaj.org/article/a89db47a8a7a4a3c9e71e8bd429f5b19
Autor:
Luis Felipe C. Lima, Gabriella M. Pinto, Catherine C.O. da Silva, Dominique C. Fuser, Mauricio P. Gama, Cristian F. Griebler, Daniel A.B. Bonifacio, Lidia V. de Sá, Ricardo T. Lopes
Publikováno v:
Journal of Medical Imaging and Radiation Sciences. 53:374-383
Autor:
Ana Carolina A. C. Izidório, Ramon S. Santos, Hamilton S. Gama Filho, Marcelino J. Anjos, Roberta G. Leitão, Ricardo T. Lopes, Davi F. Oliveira
Publikováno v:
X-Ray Spectrometry.
Publikováno v:
International Journal of Image Processing and Vision Science. :105-113
This work analyses the soundness of two algorithms, Fishsint and Almexp to improve images using the Richardson-Lucy (RL) algorithm under a varying Point Spread Function (PSF) along the iterations. A plethora of methods based on Richardson-Lucy has be