Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Catia Heloisa Rosignoli Saueia"'
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 10, Iss 3B (2022)
The aim of the study was to determine the activity concentration of the natural radionuclides (226Ra, 210Po, 228Ra and 40K) and artificial radionuclide 137Cs in the muscle of the marine fish species most consumed in the city of São Paulo and to eval
Externí odkaz:
https://doaj.org/article/0a6434c870624750be667831c6afce7b
Autor:
Marcelo Bessa Nisti, Fernanda Cavalcante, Catia Heloisa Rosignoli Saueia, Barbara Paci Mazzilli
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 10, Iss 1 (2022)
All biota is exposed to natural radiation, the soil being the major source of radionuclides. Phosphogypsum is classified as a NORM residue of the phosphate fertilizer industry, often used in agriculture, as a soil conditioner. This residue is stored
Externí odkaz:
https://doaj.org/article/15f87aa9ebc949e9841306459112a010
Autor:
Marcelo Bessa Nisti, Marcelo Francis Máduar, Catia Heloisa Rosignoli Saueia, Fernanda Cavalcante, Barbara Paci Mazzilli
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 8, Iss 2 (2020)
This paper aims to propose an easy and fast method of optimization of the gamma-ray spectrometry counting time in determining natural radionuclides (Pb-210, Pb-212, Pb-214, Bi-212, Bi-214 and Ac-228) in order to minimize uncertainties in the concentr
Externí odkaz:
https://doaj.org/article/445e0cab88d44cf6ab1e43895fa4f48f
Autor:
Barbara Paci Mazzilli, Marcia Pires Campos, Marcelo Bessa Nisti, Cátia Heloisa Rosignoli Saueia, Marcelo Francis Máduar
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 8, Iss 1 (2020)
Phosphogypsum, a waste byproduct derived from the production of phosphoric acid, is being worldwide stockpiled, posing concerns about the environmental problems originating from this practice. Considerations about the viability of the safe reuse of t
Externí odkaz:
https://doaj.org/article/f39d98a949514352aeb842b744a4b7e2
Publikováno v:
Biblioteca Digital de Teses e Dissertações da USPUniversidade de São PauloUSP.
O fertilizante é considerado um componente essencial para a agricultura, pois sua utilização aumenta e repõe os nutrientes naturais do solo, perdidos por desgaste ou erosão. No processo de obtenção dos fertilizantes fosfatados, o concentrado d