Results 51 to 60 of about 461 (169)

Dirty bomb radiological simulations: two explosion scenarios using the Rio 2016 Olympic games Athletes’ Village as a model

Brazilian Journal of Radiation Sciences, 2018
A historic moment in terrorist bombing in the world was the explosion of the twin towers in the USA, starting a new series of attacks. The bombing brought up many concerns for security authorities all over the world.
José Francisco Pereira, José Ubiratan Delgado   +1 more
doaj   +1 more source

Utilização e condições de proteção radiológica de medidores nucleares no Brasil

Brazilian Journal of Radiation Sciences, 2018
As indústrias de mineração, papel celulose, petrolífera, etc., que necessitam de um controle de qualidade nos processos, utilizam os medidores nucleares com fontes radioativas seladas acopladas a um detector de radiação que geram respostas precisas e ...
Elisabete França Guimarães, Camila Moreira Araújo de Lima, Francisco Cesar Augusto Da Silva   +2 more
doaj   +1 more source

Parameters for Validating a Spectrometric System with Itinerant NaI(Tl) in the Ativimeter’s Calibration

Brazilian Journal of Radiation Sciences
In radiopharmaceutical production centers and nuclear medicine services, short half-life radionuclides are essential. They have been used as radiotracers since their use increased significantly and aroused the interest of national metrology laboratories,
Dayana Azeredo Conceição, J. U. Delgado, O.L.T. Filho   +2 more
doaj   +1 more source

Validation of automated image co-registration integrated into in-house software for voxel-based internal dosimetry on single-photon emission computed tomography images. [PDF]

Radiol Bras, 2023
Leitão ALA, Fonda US, Buchpiguel CA, Willegaignon J, Sapienza MT.   +4 more
europepmc   +1 more source

Classificação de áreas considerando as doses equivalentes devido a radônio, em ambientes fechados no Instituto de Defesa Química, Biológica, Radiológica e Nuclear (IDQBRN)

Brazilian Journal of Radiation Sciences, 2019
O ser humano é sujeito diariamente a várias fontes de radiação natural, sendo um dos principais radiodifusores, pertencente à cadeia de decaimento radioativo do urânio e do tório [1].
Mayara Nascimento Arbach, Rex Nazaré Alves, Domingos D' Oliveira Cardoso, Walter José Guimarães Júnior, Alexandre Barbosa Soares   +4 more
doaj   +1 more source

Dosimetria Ocupacional em Radiodiagnóstico Equino

O uso de raios X em procedimentos de radiodiagnóstico veterinário, particularmente em equinos, pode apresentar riscos ocupacionais significativos, frequentemente exacerbados pela adesão insuficiente às diretrizes de radioproteção estabelecidas.
Alves Oliveira, Evely, Gonçalves de Souza, Lucas Wilian   +1 more
openaire   +2 more sources

New Optimization Strategies on Radiation Protection in Fluoroscopy-Guided Interventional Procedures in Pediatrics. [PDF]

Children (Basel), 2023
Ubeda C.
europepmc   +1 more source

Mapping the Critical Intellectual Capital of IRD

Brazilian Journal of Radiation Sciences, 2019
Currently, several studies that dealing with the subject of knowledge management aiming the preservation and transfer of intellectual capital, leading to the retention of knowledge retention in an institution or organization.
Danielle Monegalha Rodrigues, Jose Ubiratan Delgado, Aucyone Augusto Da Silva   +2 more
doaj   +1 more source

Diagnostic Reference Levels in Interventional Pediatric Cardiology: Two-Year Experience in a Tertiary Referral Hospital in Latin America. [PDF]

Children (Basel), 2023
Aristizabal AM, Gutiérrez JA, Ramirez E, Mejía-Quiñones V, Ubeda C, Mosquera WF, Mosquera W.   +6 more
europepmc   +1 more source

A study of a H2O-moderated 241AmBe source for neutron metrology

Brazilian Journal of Radiation Sciences
The update to ISO 8529-1 (2021) reduces the variety of neutron fields from sources. For neutron metrology, it is crucial to have a standard radiation field with known fluence and energy well-defined.
Angela Souza Gonçalves, Karla Cristina de Souza Patrão, Walsan Wagner Pereira   +2 more
doaj   +1 more source