Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Nivaldo Carlos Da Silva"'
Autor:
Ubirani Otero, Nivaldo Carlos Da Silva, Tarcisio Neves da Cunha, Barbara Geraldino, Berenice Navarro Antoniazzi
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 12, Iss 2 (2024)
Ionizing radiation, particularly radon exposure, constitutes a significant risk factor for lung cancer, with the World Health Organization identifying radon as the second major contributor to this malignancy. This study investigates radon levels in d
Externí odkaz:
https://doaj.org/article/7598e8d2235d41ed92927573103c8237
Autor:
Danila Carrijo da Silva Dias, Nivaldo Carlos da Silva, Wanilson Luiz Silva, Marcos Vinícius Rodrigues
Publikováno v:
Brazilian Journal of Radiation Sciences, Vol 9, Iss 2 (2021)
The study presents the results of indoor radon monitoring of 342 public kindergarten rooms of a Brazilian municipality within a region featuring high natural radioactivity. Facility characterization local perception assessment were also conducted. Ro
Externí odkaz:
https://doaj.org/article/d4cd4cc3564b4f4ea551561d245b50db
Autor:
Heliana de Azevedo Gomes, Yannick Nouailhetas, Nivaldo Carlos da Silva, Arnaldo Mezrahi, Carlos E. Bonacossa de Almeida, Geraldo Stachetti Rodrigues
Publikováno v:
Brazilian Archives of Biology and Technology, Vol 45, Iss 3, Pp 301-307 (2002)
The objective of the present study was to apply a highly sensitive botanical test of mutagenicity (the Tradescantia stamen-hair mutation bioassay) to assess in situ the biological responses induced by naturally occurring radiation in the Poços de Ca
Externí odkaz:
https://doaj.org/article/f392cc7bd18149b8bd48115157da266d
Autor:
Leonardo Bastos Lage, Leonardo Ribeiro Soares, Ruffo Freitas-Junior, Eliane Eugenia dos Santos, Rosangela da Silveira Corrêa, Nivaldo Carlos da Silva, Nilson Clementino Ferreira
Publikováno v:
Sao Paulo Medical Journal, Issue: ahead, Published: 14 AUG 2020
São Paulo Medical Journal, Vol 138, Iss 4, Pp 297-304 (2020)
Sao Paulo Medical Journal, Volume: 138, Issue: 4, Pages: 297-304, Published: 14 AUG 2020
Sao Paulo Medical Journal v.138 n.4 2020
São Paulo medical journal
Associação Paulista de Medicina
instacron:APM
São Paulo Medical Journal, Vol 138, Iss 4, Pp 297-304 (2020)
Sao Paulo Medical Journal, Volume: 138, Issue: 4, Pages: 297-304, Published: 14 AUG 2020
Sao Paulo Medical Journal v.138 n.4 2020
São Paulo medical journal
Associação Paulista de Medicina
instacron:APM
BACKGROUND: The largest radiological accident to occur in any urban area happened in Goiânia, Brazil, in 1987. OBJECTIVE: To evaluate the association between breast cancer incidence and ionizing radiation levels. DESIGN AND SETTING: Ecological study
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1c5b528012f258138ba409e672149de1
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-31802020005017201&lng=en&tlng=en
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-31802020005017201&lng=en&tlng=en
Autor:
Daniela de Assis Bocóli, Rodrigo Leandro Bonifácio, Maria Helena Tirollo Taddei, M.R.L. Nascimento, Danila Carrijo da Silva Dias, Nivaldo Carlos da Silva
Publikováno v:
Brazilian Journal of Radiation Sciences. 6
This paper describes the implementation process of a Quality Management System (QMS) at the Laboratory of Poços de Caldas (LAPOC) in Brazil, aiming for ISO/IEC 17025 accreditation. Due to the governmental nature of the entity, all accreditation effo
Autor:
Peter Marshall Fleming, Flavio Henrique de Souza Moreira, Heber Luiz Caponi Alberti, Maria Helena Tirollo Taddei, Nivaldo Carlos da Silva
Publikováno v:
Revista Águas Subterrâneas, Vol 32, Iss 1, Pp 114-120 (2018)
Este estudo é uma comparação de métodos para determinar a concentração de radônio (222Rn), que foi realizado em fontes de água natural utilizadas pela população das cidades de Poços de Caldas e Águas da Prata no Planalto de Poços de Cald
Autor:
Glauco Arnold Tavares, José Roberto Ferreira, Carlos Emanuel de Carvalho Magalhães, Nivaldo Carlos da Silva, Maria Helena Tirollo Taddei
Publikováno v:
AMBIO: A Journal of the Human Environment. 32:47-51
Autor:
A. L. Ferreira Filho, S A Paschuk, Elisabeth Mateus Yoshimura, Peter Bossew, Alcides Pereira, L H S Veiga, T F C Campos, M P Campos, D M Bonotto, Nivaldo Carlos da Silva, Z Rocha
Publikováno v:
Radiation protection dosimetry. 160(1-3)
Recently, the idea of generating radon map of Brazil has emerged. First attempts of coordinating radon surveys--carried out by different groups across the country--and initial discussions on how to proceed on a larger scale were made at the First Bra
Autor:
Peter Marshall Fleming, Dina L. López, E. G. L. Chagas, O. Branco, D. C. S. Dias, Nivaldo Carlos da Silva, M. L. Braz, Heber Luiz Caponi Alberti, C. B. Abreu, E. T. Z. Guerreiro
Publikováno v:
Radiation protection dosimetry. 160(1-3)
Acid mine drainage (AMD) has been identified as the main cause for outflow of acid water and radioactive/non-radioactive contaminants. AMD encompasses pyrites oxidation when water and oxygen are available. AMD was identified in uranium waste rock pil
Publikováno v:
Journal of environmental radioactivity. 86(2)
Comprehensive understanding of (222)Rn exhalation from phosphogypsum-bearing building material and its accumulation in indoor air is likely to rely on numerical simulation, particularly if transient effects, three-dimensional domains and convection a