Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Helena Eugênia Leonhardt Palmieri"'
Autor:
Ricardo Gomes Passos, Stela Dalva Santos Cota, Maria Ângela de Barros Correia Menezes, Helena Eugênia Leonhardt Palmieri, Lúcia Maria Laboissière de Alencar Auler
Publikováno v:
Desenvolvimento e Meio Ambiente, Vol 58, Iss 0 (2021)
Despite their proven effectiveness in combating the pandemic of COVID-19, measures of social isolation, quarantines, and lockdowns have drastic consequences in the social and economic spheres. This paper presents results from an ongoing study in Belo
Externí odkaz:
https://doaj.org/article/ed2555ffbf8a4ff39c5981bd2f16dff8
Autor:
Vanessa Kelly Saraiva, Marcos Roberto Lopes do Nascimento, Helena Eugênia Leonhardt Palmieri, Vanusa Maria Feliciano Jacomino
Publikováno v:
Química Nova, Vol 32, Iss 8, Pp 1995-2002 (2009)
This study evaluated the environmental impact resulting from surface water and sediment contamination by metals in a watershed affected by a tailing basin that controls effluents coming from a zinc-ore beneficiation plant. The studies combined assess
Externí odkaz:
https://doaj.org/article/8143b23a898d451dbb7f9cf0a5b68eb8
Autor:
Cláudia Carvalhinho Windmöller, Regis Costa Santos, Maycon Athayde, Helena Eugênia Leonhardt Palmieri
Publikováno v:
Química Nova, Vol 30, Iss 5, Pp 1088-1094 (2007)
The concentration and thermodesorption speciation of mercury in sediments from four different Iron Quadrangle sites impacted by gold mining activity were determined. The mercury content of some samples was considerably high (ranging from 0.04 to 1.1
Externí odkaz:
https://doaj.org/article/a0a3448c9c6a49e5b9f6cfb014f6c6aa
Autor:
Maria Ângela de Barros Correia Menezes, Lúcia M.L.A. Auler, Helena Eugênia Leonhardt Palmieri, Ricardo Gomes Passos, Stela Dalva Santos Cota
Publikováno v:
Desenvolvimento e Meio Ambiente. 58
Despite their proven effectiveness in combating the pandemic of COVID-19, measures of social isolation, quarantines, and lockdowns have drastic consequences in the social and economic spheres. This paper presents results from an ongoing study in Belo
Autor:
Eliana Aparecida Nonato Knupp, José Bento Borba da Silva, Flávia Beatriz Custódio, Maria Beatriz Abreu Glória, Bruno M. Dala-Paula, Helena Eugênia Leonhardt Palmieri
Publikováno v:
Environmental Pollution. 242:383-389
Urban agriculture plays an important role in sustainable food supply. However, because of the atmospheric pollution and soil contamination associated with urban areas, this activity may be of concern. In fact, contamination of soil with metals and th
Autor:
A. C. O. Pelaes, L. M. L. de A. Auler, S. A. Bonfim, Helena Eugênia Leonhardt Palmieri, M. J. de S. F. Silva
Publikováno v:
Periódico Tchê Química. 15:210-220
This work focuses on drawing up the hydrochemical profile of water samples collected in five springs of the Tijuco stream. The evaluation was based on quantification of the elements Al, As, Ba, Be, B, Ca, Cd, Co, Cr, Li, Pb, Cu, Fe, Mg, Mn, Mo, Ni, S
Autor:
LúCIA Maria LABOISSIèRI De Alencar Auler, Maria OLíVIA Cordeiro Cintra, THAíS Annie Francisco De Almeida, FLáVIO ANTôNIO Fortes, Helena Eugênia Leonhardt Palmieri
Publikováno v:
Blucher Chemical Engineering Proceedings.
Autor:
Rubens Martins Moreira, Peter Marshall Fleming, Helena Eugênia Leonhardt Palmieri, Pedro Henrique Dutra, Carlos Alberto de Carvalho Filho, Igor Felipe Silva Moura, Otávio Eurico de Aquino Branco, Elizângela A. Dos Santos
Publikováno v:
Environmental Earth Sciences. 76
The Caldas Uranium Mine (CUM), located on the Pocos de Caldas Plateau in the southeastern region of Brazil, is presently undergoing a decommissioning process. The aim of the present investigation is to identify and characterize the effects of acid mi
Autor:
Talita Oliveira Santos, Francisco Javier Rios, E. Lara, Zildete Rocha, Helena Eugênia Leonhardt Palmieri, Arno Heeren de Oliveira
Publikováno v:
Radiation Physics and Chemistry. 116:317-320
The radon concentration in soil gas is directly dependent on the geological characteristics of the area, such as lithology, pedology and on geochemicals, physicals and mineralogicals parameters of the soil. This paper looks for correlations between r
Autor:
V. Vasconcelos, J. B. Siqueira, Zildete Rocha, V. A. Gouvea, Arno Heeren de Oliveira, E. Lara, Talita Oliveira Santos, Helena Eugênia Leonhardt Palmieri, P. Cruz
Publikováno v:
Radiation Physics and Chemistry. 116:377-380
Mineral processing releases long and short half-life radionuclides generating potential exposure to miners. They are internally exposed to radon, thoron and their short-life decay products and, externally, to the gamma emitters scattered in the rock