Search Results - "Lauria Dejanira da Costa"
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Spatial distributions of natural radionuclides in soils of the state of Pernambuco, Brazil: Influence of bedrocks, soils types and climates
Published in Journal of environmental radioactivity (01-01-2020)“…To investigate whether and in which extension the levels of natural radionuclides in soils vary with parent rock, soil type, and climatic condition factors, a…”
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2
Activity concentration and mapping of radionuclides in Espírito Santo State soils, Brazil
Published in Radiation physics and chemistry (Oxford, England : 1993) (01-02-2020)“…Soils exhibit a wide range of radioactive elements and, therefore, the knowledge of the radioactivity levels that the human being is exposed to is of great…”
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3
Assessement of doses to members of the public arising from the use of ornamental rocks in residences
Published in Journal of radiological protection (01-09-2016)“…The main pathways to human exposure associated with naturally occurring radionuclides in ornamental rocks are external irradiation and the inhalation of radon…”
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4
Instrumental neutron activation analysis, gamma spectrometry and geographic information system techniques in the determination and mapping of rare earth element in phosphogypsum stacks
Published in Environmental earth sciences (01-04-2016)“…Phosphogypsum is a by-product from the phosphate fertilizer industry, disposed in huge stacks in open-air storage areas. Its use in agriculture may be a…”
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5
Natural and man-made radionuclides in sediments of an inlet in Rio de Janeiro State, Brazil
Published in Marine pollution bulletin (15-06-2016)“…The distribution of natural radionuclides 226Ra, 228Ra, 40K and man-made radionuclides (54Mn, 60Co and 137 Cs) in the surface sediments of an inlet of Ribeira…”
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Baseline and Quality Reference Values for Natural Radionuclides in Soils of Rio de Janeiro State, Brazil
Published in Revista Brasileira de Ciência do Solo (01-01-2018)“…ABSTRACT A first large-scale systematic survey of natural radioactivity contents of soils of the state of Rio de Janeiro is presented, focused on the…”
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The potential radiological impact from a Brazilian phosphate facility
Published in Journal of environmental radioactivity (01-10-2014)“…In the semiarid region of Brazil, a facility for the production of phosphoric acid for fertilizer is in the last stages of the planning phase. The raw…”
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Influence of Phosphogypsum Stacks on the Distribution of Natural Radionuclides in Surface and Subsurface Waters in the City of Imbituba, SC, Brazil
Published in Water, air, and soil pollution (01-06-2013)“…This study aimed to chemically and radiologically characterize the water resources influenced by a phosphogypsum stack in Imbituba, SC, Brazil and to identify…”
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9
Naturally occurring radionuclides in food and drinking water from a thorium-rich area
Published in Radiation and environmental biophysics (01-11-2012)“…This paper focuses on a survey of uranium and thorium decay chain radionuclides in food and drinking water from the thorium-rich (monazite-bearing) region of…”
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10
Radioactive characterization of phosphogypsum from Imbituba, Brazil
Published in Journal of environmental radioactivity (01-12-2013)“…This research aims to characterize the content of natural occurring radionuclides in phosphogypsum stacks at Imbituba, Santa Catarina state, Brazil. 226Ra,…”
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11
Comportamento de Cs e Co em Sedimentos Marinhos da Enseada de Piraquara de Fora - Angra dos Reis
Published in Brazilian Journal of Radiation Sciences (19-10-2017)“… As a result of discharging of liquid effluents of the Angra dos Reis power plants, 137Cs and 60Co radionuclides are the greatest contributors to increasing of…”
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12
Concentration of fallout Cesium-137 in soils of the Rio de Janeiro State, Brazil
Published in Brazilian Journal of Radiation Sciences (23-11-2016)“…The distribution of fallout 137Cs in soil samples of the Rio de Janeiro State was investigated. Two-hundred sixty-two samples of soil were analyzed for 137Cs…”
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13
The legacy of monazite processing in Brazil
Published in Radiation protection dosimetry (01-01-2005)“…The exploitation of natural resources containing naturally occurring radionuclides may lead to enhanced levels of radioactive isotope and enhanced potential…”
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14
Relação entre as massas úmida, seca e de cinza em materiais biológicos - uma ferramenta para amostragens em campo e análise de amostras
Published in Química nova (01-01-1999)“…Little is known about the amount of water and ash in brazilian foodstuffs and plants. The relationships between fresh, dry and ash weight were determined in 40…”
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Relação entre as massas úmida, seca e de cinza em materiais biológicos - uma ferramenta para amostragens em campo e análise de amostras
Published in Química nova (01-12-1999)Get full text
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