Production of spiked vegetation samples containing γ-emitting radionuclides for proficiency testing
de Souza, Poliana Santos, Clain, Almir Faria, Filho, Octávio Luiz Trindade, de Oliveira, Estela Maria, Delgado, Jose Ubiratan, Lopes, Ricardo Tadeu
Published in Journal of radioanalytical and nuclear chemistry (15.09.2019)
Published in Journal of radioanalytical and nuclear chemistry (15.09.2019)
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Journal Article
Uncertainty evaluation in activity measurements with HPGe using two relative methods
De Almeida, Maria Candida Moreira, Delgado, Jose Ubiratan, Silva, Ronaldo Lins, Poledna, Roberto, Gomes, Regio S, Ferreira Filho, Alfredo L
Published in Brazilian Journal of Radiation Sciences (20.12.2022)
Published in Brazilian Journal of Radiation Sciences (20.12.2022)
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Journal Article
Mapping the Critical Intellectual Capital of IRD
Rodrigues, Danielle Monegalha, Delgado, Jose Ubiratan, Da Silva, Aucyone Augusto
Published in Brazilian Journal of Radiation Sciences (04.07.2019)
Published in Brazilian Journal of Radiation Sciences (04.07.2019)
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Journal Article
Production of spiked vegetation samples containing [gamma]-emitting radionuclides for proficiency testing
de Souza, Poliana Santos, Clain, Almir Faria, Filho, Octávio Luiz Trindade, de Oliveira, Estela Maria, Delgado, Jose Ubiratan, Lopes, Ricardo Tadeu
Published in Journal of radioanalytical and nuclear chemistry (01.09.2019)
Published in Journal of radioanalytical and nuclear chemistry (01.09.2019)
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Journal Article
Proficiency tests in the determination of activity of radionuclides in radiopharmaceutical products measured by nuclear medicine services in 8 years of comparison programmes in Brazil
Tauhata, Luiz, Iwahara, Akira, de Oliveira, Antonio E., Rezende, Eduarda Alexandre, Delgado, José Ubiratan, da Silva, Carlos José, dos Santos, Joyra A., Nícoli, Ieda G., Alabarse, Frederico G., Xavier, Ana Maria
Published in Applied radiation and isotopes (01.06.2008)
Published in Applied radiation and isotopes (01.06.2008)
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Journal Article
Sum-peak method with two NaI(Tl) crystals: 68(Ge+Ga) standardization
Oliveira, Estela Maria, Iwahara, Akira, Poledna, Roberto, Da Silva, Carlos José, Da Cruz, Paulo Alberto Lima, Gomes, Regio Dos Santos, Delgado, José Ubiratan, Lopes, Ricardo Tadeu
Published in Brazilian Journal of Radiation Sciences (21.10.2019)
Published in Brazilian Journal of Radiation Sciences (21.10.2019)
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Journal Article
Standardizing by photon-photon coincidence technique to produce electron capture disintegrates radioactive sources
Loureiro, Jamir dos Santos, De Almeida, Maria Candida Moreira, Delgado, José Ubiratan, Iwahara, Akira
Published in Brazilian Journal of Development (27.05.2023)
Published in Brazilian Journal of Development (27.05.2023)
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Journal Article
Development of a methodology for the analysis of radionuclide impurities in radiopharmaceuticals by gamma-ray spectrometry
De Paula, Eduardo Bonfim, De Araújo, Miriam Tainá Ferreira, Poledna, Roberto, Delgado, José Ubiratan, Leiras, Anderson
Published in Brazilian Journal of Radiation Sciences (22.11.2017)
Published in Brazilian Journal of Radiation Sciences (22.11.2017)
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Journal Article
Gamma Spectrometry results for the 134Cs nuclear parameters / Resultados de espectrometria gama para os parâmetros nucleares 134Cs
Almeida, Maria Candida Moreira de, Delgado, José Ubiratan, Silva, Ronaldo Lins e, Poledna, Roberto
Published in Brazilian Journal of Development (05.05.2022)
Published in Brazilian Journal of Development (05.05.2022)
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Journal Article
Dose estimation and calculation of radiological hazard index at Doce River / Brazil due to Fundão dam rupture
Carmo, Roberto Ferreira, Evangelista, Heitor, Delgado, José Ubiratan, Trindade Filho, Octávio Luis, Ribeiro, Araceli Verónica Flores Nardy, Ribeiro, Joselito Nardy, Pereira, Madsom De Godoi, Licínio, Marcus Vinícius
Published in Brazilian Journal of Radiation Sciences (06.05.2018)
Published in Brazilian Journal of Radiation Sciences (06.05.2018)
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Journal Article
Radionuclide metrology: traceability and response to a radiological accident
Da Cruz, Paulo Alberto Lima, Tauhata, Luiz, Da Silva, Carlos José, Di Prinzio, Maria Antonieta Ramos Ribas, Delgado, José Ubiratan, De Oliveira, Antônio Eduardo, De Oliveira, Estela Maria, Poledna, Roberto, Loureiro, Jamir dos Santos, Ferreira Filho, Alfredo Lopes, Da Silva, Ronaldo Lins, Trindade Filho, Octávio Luiz, De Veras, Eduardo Vieira, Rangel, Johnny de Almeida, Gomes, Regio da Silva, Dantas, Vanessa Bonis, Quadros, André Luiz Lopes, De Almeida, Maria Candida Moreira, De Souza, Poliana Santos, Ruzzarin, Anelise, Conceição, Dayana Azeredo, De Araujo, Miriam Tainá Ferreira, Iwahara, Akira
Published in Brazilian Journal of Radiation Sciences (19.07.2018)
Published in Brazilian Journal of Radiation Sciences (19.07.2018)
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Journal Article
A SIMPLE AND CHEAPER SOLUTION TO CALIBRATE MICROCOMPUTER TIME BASE WITH NIST TOTALIZER METHOD / UMA SOLUÇÃO SIMPLES E MAIS BARATA PARA CALIBRAR A BASE DE TEMPO DO MICROCOMPUTADOR COM O MÉTODO TOTALIZADOR NIST
Quaresma, Daniel da Silva, Carvalho, Ricardo José de, Oliveira, Antônio Eduardo de, Silva, Carlos José da, Iwahara, Akira, Delgado, José Ubiratan, Peixoto, José Guilherme Pereira
Published in Brazilian Journal of Development (2021)
Published in Brazilian Journal of Development (2021)
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Journal Article
Determination of disintegration rates and γ-ray emission probabilities of 65Zn and 241Am
Iwahara, Akira, Aguiar Leobino da Silva, Mônica, Edsom Carvalho Filho, Antônio, Bernardes, Estela Maria de Oliveira, Delgado, José Ubiratan
Published in Applied radiation and isotopes (01.07.2005)
Published in Applied radiation and isotopes (01.07.2005)
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Journal Article
Obtenção das equações de taxa de contagem de pico descrevendo as coincidências-soma de gama e raios-X
Ferreira Filho, Alfredo Lopes, Gomes, Regio S., Da Silva, Ronaldo Lins, Da Cruz, Paulo Alberto Lima, Delgado, José Ubiratan, Lopes, Ricardo Tadeu
Published in Brazilian Journal of Radiation Sciences (21.10.2019)
Published in Brazilian Journal of Radiation Sciences (21.10.2019)
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Journal Article