Results 1 to 10 of about 32,744 (246)
Uncertainty evaluation in activity measurements with HPGe using two relative methods
Brazilian Journal of Radiation Sciences, 2022 Radionuclide metrology laboratories aim to provide radioactive standards for detector calibrations in nuclear safety areas with low uncertainties. Such standards are applied in nuclear industries, according to the requirements of monitoring programmes ...
Maria Candida Moreira de Almeida +5 more
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Development of multi-systems for measurement of radionuclide absolute activity
Brazilian Journal of Radiation Sciences, 2021 The development of a multi-systems triple-to-double coincidence ratio (TDCR) and coincidence 4pb-g methods, based on liquid scintillation to radionuclide standardization is presented in this work.
Paulo Alberto Lima da Cruz +5 more
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Brazilian Journal of Radiation Sciences, 2023 The Institute of Radiation Protection and Dosimetry (IRD) is a research and development institution, linked to the Brazilian Nuclear Energy Commission (CNEN), with a tradition of training human resources in the areas of radiation protection, dosimetry ...
Fernando Barcellos Razuck +7 more
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Brazilian Journal of Radiation Sciences, 2021 At the end of the nineteenth century, with the use of ionizing radiation for the benefit of humanity in various sectors of society, its effects on human health became evident.
Gabriel De Lima Gonçalves +2 more
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Brazilian Journal of Radiation Sciences, 2023 In a world where information has a high speed of propagation and is present in the most diverse media, it is essential to follow the news in order to keep the population informed about the actions taken, the real risks and the consequences of an alleged ...
Fernando Barcellos Razuck +2 more
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Lessons Learned: a knowledge management tool for learning about radiation accidents
Brazilian Journal of Radiation Sciences, 2021 According to the International Atomic Energy Agency (IAEA), the lessons learned (LL) in a radiation accident are extremely important in the building of learning about accidents, identifying best practices and preventing new accidents from occurring ...
Luis Carlos Jansen Silva +1 more
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Brazilian Journal of Radiation Sciences, 2022 Almost twenty years after the publication of Ordinance 453, the National Health Surveillance Agency (ANVISA) approved the Collegiate Board Resolution 330 (RDC 330), which establishes the basic guidelines for Radiation Protection (RP) in diagnostic and ...
GUSTAVO OLIVEIRA DA CONCEIÇÃO +1 more
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Brazilian Journal of Radiation Sciences, 2022 Undergraduate courses in technology were recognized in Brazil from the 1990s onwards, such as Technologist in Radiology (TR). According to the Ministry of Education (MEC), the TR carries out activities in Radiotherapy, Radiology and Nuclear Medicine, for
STEPHANIE NELASCO DA SILVA +2 more
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Brazilian Journal of Radiation Sciences, 2023 Nuclear Medicine (NM) is a medical specialty that, through non-invasive methods, uses radioactive materials for diagnostic and therapeutic purposes.
Maicon B. Clavery +1 more
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Measurements at laser materials processing machines: spectrum deconvolution including uncertainties and model selection [PDF]
Journal of Sensors and Sensor Systems, 2021 Laser materials processing of workpieces using ultra-short pulsed lasers can lead to unwanted X-ray emission. Their dose rate and spectral distribution have been precisely determined. The measurements were carried out using a thermoluminescence detector (
R. Behrens, B. Pullner, M. Reginatto
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