Zobrazeno 1 - 10
of 15
pro vyhledávání: '"R.A. Filgueiras"'
Akademický článek
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Autor:
M. P. C. Medeiros, Jose Lopes, Ricardo Washington Dutra Garcêz, R.A. Filgueiras, W.F.R. Silva Júnior, Ademir Xavier da Silva, Jardel L. Thalhofer
Publikováno v:
Applied Radiation and Isotopes. 141:241-245
Self-absorption correction factors are fundamental in spectroscopy to correct the efficiency of the samples detection whose density is different from the radioactive standard. Mathematical simulations have been widespread as a tool to facilitate the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::19ed8e79ebcd0b4770e5bb9891b7d777
https://doi.org/10.1016/j.apradiso.2018.05.005
https://doi.org/10.1016/j.apradiso.2018.05.005
Publikováno v:
Food Science and Technology v.39 n.1 2019
Food Science and Technology (Campinas)
Sociedade Brasileira de Ciência e Tecnologia de Alimentos (SBCTA)
instacron:SBCTA
Food Science and Technology, Issue: ahead, Published: 11 OCT 2018
Food Science and Technology, Volume: 39, Issue: 1, Pages: 120-126, Published: 18 OCT 2018
Food Science and Technology, Iss 0 (2018)
Food Science and Technology (Campinas)
Sociedade Brasileira de Ciência e Tecnologia de Alimentos (SBCTA)
instacron:SBCTA
Food Science and Technology, Issue: ahead, Published: 11 OCT 2018
Food Science and Technology, Volume: 39, Issue: 1, Pages: 120-126, Published: 18 OCT 2018
Food Science and Technology, Iss 0 (2018)
This work presents an investigation of the activity concentration (AC) of naturally occurring radionuclides in 26 samples of seasoning and nuts utilized for Brazilian population. The samples were measured using gamma spectroscopy technique with a hig
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0f12460a1b6cd0c7de669fd77d2a559d
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612019000100120
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612019000100120
Autor:
Eduardo Paim Viglio, Jose Lopes, Leandro B. Silva, Ricardo Washington Dutra Garcêz, Ademir Xavier da Silva, Fernando Carlos Araujo Ribeiro, R.A. Filgueiras
Publikováno v:
Applied Radiation and Isotopes. 170:109607
Cesium 137 is present in worldwide. To evaluate its deposition in the Brazilian state of Alagoas a total of 41 samples were collected by the Geological Survey of Brazil, then processed and analyzed by gamma-ray spectrometry with hyperpure germanium d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c7bca1e97eb21b3c7a1ce53074fb362d
https://doi.org/10.1016/j.apradiso.2021.109607
https://doi.org/10.1016/j.apradiso.2021.109607
Akademický článek
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Autor:
D.C. Lauria, Eduardo Paim Viglio, Ademir Xavier da Silva, R.A. Filgueiras, Fernando Carlos Araujo Ribeiro
Publikováno v:
Radiation Physics and Chemistry. 167:108332
Soils consist of the result of several formation factors, such as the material of origin, climate, relief, living organisms etc. The natural radioactive elements 40K, 226Ra and 228Ra are present in the mineral material as well as in the organic matte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2c748e290c39fe6798caf3fad4742b8b
https://doi.org/10.1016/j.radphyschem.2019.05.022
https://doi.org/10.1016/j.radphyschem.2019.05.022
Autor:
Jose Lopes, Ricardo Washington Dutra Garcêz, R.A. Filgueiras, Ademir Xavier da Silva, Delson Braz
Publikováno v:
Radiation protection dosimetry. 181(2)
Annual effective dose due to the consumption of 40K, 226Ra, 228Ra and 228Th was estimated from high-resolution gamma spectrometry, food consumption data for the inhabitants of Rio de Janeiro City and dose coefficients published by the ICRP 119. A tot
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3d0fda90a138e4b0b3e6ec296561f943
https://pubmed.ncbi.nlm.nih.gov/29361110
https://pubmed.ncbi.nlm.nih.gov/29361110
Publikováno v:
Physica A: Statistical Mechanics and its Applications. 304:429-442
We employ a real-space renormalization-group (RSRG) approach to study a mixed-spin (spin- 1 2 and spin-1) antiferromagnetic Ising model on the square lattice. The model incorporates next-nearest-neighbor interactions which are relevant to describe fe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::448c08349f24d7f23a1dcffc75d5e993
https://doi.org/10.1016/s0378-4371(01)00560-x
https://doi.org/10.1016/s0378-4371(01)00560-x
Publikováno v:
Modern Physics Letters B. 14:749-758
We investigate the mixed-spin (spin-1/2 and spin-1) antiferromagnetic Ising model in two dimensions through a real-space renormalization group transformation. The model includes nearest and next-nearest neighbor interactions and is suitable to descri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7f9c28e8bd91db3e30db9c10a623e3c7
https://doi.org/10.1142/s0217984900000938
https://doi.org/10.1142/s0217984900000938
Akademický článek
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