Zobrazeno 1 - 10
of 147
pro vyhledávání: '"Frederico A. Genezini"'
Autor:
Marcio Luis de Paula, Maurício Moralles, Frederico Antônio Genezini, Paulo de Tarso Dalledone Siqueira, Iberê Souza Ribeiro Junior, Iremar Alves da Silva Júnior
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 12, Iss 3 (2024)
This work was developed with the aim of improving the current sample exchange system of the BH-3 irradiation channel of the IEA-R1 reactor at IPEN. The instrument's operating concept will provide a better use of the irradiation space as well as great
Externí odkaz:
https://doaj.org/article/74c1e81ec12b4d77bf063a21d5906fe1
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 12, Iss 1 (2024)
Radioactive thin films have a direct application in the development of beta-voltaic batteries. The main advantage of that kind of nuclear battery is its durability, which can range from a hundred years, depending on the half-life of the radioisotope
Externí odkaz:
https://doaj.org/article/2e3510ede7244e8281e3d8618575656b
Autor:
Alexandre Pinho dos Santos Souza, Luiz Paulo de Oliveira, Frederico Antonio Genezini, Adimir dos Santos
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 10, Iss 3B (2022)
The Brazilian Multipurpose Reactor (RMB) is a fundamental project that aims to turn Brazil into a self-sufficient country in the production of radioisotopes and radiopharmaceuticals to supply the Unified Health System (SUS) as much as the private ins
Externí odkaz:
https://doaj.org/article/2e0954d368404dd68ff15103f35b501b
Autor:
Giovanni Laranjo Stefani, Frederico Antônio Genezini, Thiago Augusto Santos, João Manoel de Losada Moreira
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 9, Iss 2B (2021)
In this work a parametric study was carried to increase the production of radioisotopes in the IEA-R1 research reactor. The changes proposed to implement in the IEA-R1 reactor core were the substitution of graphite reflectors by beryllium reflectors,
Externí odkaz:
https://doaj.org/article/af011f2d47614824bf0cf8ccae1b09d9
Autor:
Luiz Paulo de Oliveira, Alexandre Pinho dos Santos Souza, Fabiano Yokaichiya, Frederico Antônio Genezini, Margareth K.K.Dias Franco
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 9, Iss 1A (2021)
Monte Carlo simulations are performed for a vertical S-shaped neutron guide for the cold neutron sources of the FRM-II, HZB and PSI reactors through the McStas software. The aim of our study is investigate a relation between the cutoff in the cold ne
Externí odkaz:
https://doaj.org/article/9fb280c9a52c42b7a9b634bca53b7938
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 9, Iss 1A (2021)
The Research Reactor Center (CERPq) of IPEN-CNEN/SP has been developing a facility for Coincidence Neutron Activation Analysis (CNAA), a variation of the Neutron Activation Analysis technique in which gamma-gamma coincidence is used to reduce spectra
Externí odkaz:
https://doaj.org/article/95e971c1fda74f839276e0e4953eb855
Autor:
Alexandre Pinho dos Santos Souza, Luiz Paulo de Oliveira, Fabiano Yokaichiya, Frederico Antonio Genezini, Margareth Kazuyo Kobayashi Dias Franco
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 9, Iss 1A (2021)
High-resolution diffractometer is one of the first instruments of the set of 15 priority neutron scattering instruments to be installed at the Brazilian Multipurpose Reactor (RMB). A basic project of this instrument consists of the existence of three
Externí odkaz:
https://doaj.org/article/c0ea3412ca7c45e4add2fd108e1942c0
Autor:
Gleiser Rodrigues de Melo, Guilherme Soares Zahn, Frederico Antonio Genezini, Edson Gonçalves Moreira
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 9, Iss 1A (2021)
Neutron Activation Analysis (NAA) is a well-established nondestructive analytic technique where the gamma radiation emitted by an irradiated sample is analyzed using an HPGe detector. The Neutron Activation Laboratory (LAN) of IPEN-CNEN/SP has been p
Externí odkaz:
https://doaj.org/article/23ddbe3b122641e188f81af4de754277
Autor:
Guilherme Soares Zahn, Frederico Antonio Genezini, Paulo Sérgio Cardoso da Silva, Renata Mendes Nory, Edson Gonçalves Moreira, Paulo Sérgio Santiago
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 9, Iss 1A (2021)
Over the last years the 177Lu radioisotope has attracted great interest for the use in therapeutic and diagnostic procedures simultaneously, being what is now called a theranostic radioisotope. There are mainly two ways of producing this radioisotope
Externí odkaz:
https://doaj.org/article/736c4b062edf4183838c98cbc7edd282
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 9, Iss 1A (2021)
In this work the reproducibility of the efficiency of different HPGe detectors was analyzed under a series of different conditions. The detectors studied were plugged either to a regular analogical amplifier or to a digital signal processing (DSP) de
Externí odkaz:
https://doaj.org/article/bfd0fbd67e5b44c8b3a7b580cdb378a8