Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Juan Estévez Álvarez"'
Publikováno v:
Nucleus, Vol 0, Iss 39 (2006)
Investigations on the concentration level of heavy metals in the sediments of Cienfuegos bay (Cuba) have been carried out, to reconstruct their “depositional history” by using radionuclide geochronology, to highlight the major changes occurred in
Externí odkaz:
https://doaj.org/article/11fcd3fbd8ed44a48c03f61ce8b63545
Autor:
Olegario Muñiz Ugarte, Juan Estévez Álvarez, José Araújo dos Santos Júnior, Maydel Rodríguez González, Iván Pupo González, Alfredo Montero Álvarez, Otavio Pereira Dos Santos Junior, Zahily Herrero Fernández, Mariana Brayner Cavalcanti Freire Bezerra
Publikováno v:
Food additivescontaminants. Part B, Surveillance. 14(1)
Mercury, lead, cadmium and arsenic are considered hazardous pollutants in the environment, which can result in a risk for human health. This study aimed to determine the contents of As, Cd, Cr, Cu, Hg, Ni, Pb and Zn by ICP-MS, CVAAS and ICP-AES in pa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5efafbda52accb08165ace4a254822db
https://pubmed.ncbi.nlm.nih.gov/33441053
https://pubmed.ncbi.nlm.nih.gov/33441053
Autor:
Romilton dos Santos Amaral, Jairo Dias Bezerra, José Araújo dos Santos Júnior, Juan Estévez Álvarez, José de Almeida Maciel Neto, Alberto Antônio da Silva, Rômulo Simões Cezar Menezes, Zahily Herrero Fernández, Josineide Marques do Nascimento Santos, Kennedy Francys Rodrigues Damascena
Publikováno v:
Ecotoxicology and Environmental Safety. 141:154-159
One of the main natural uranium deposits in Brazil is located in the municipality of Espinharas, in the State of Paraiba. This area may present high levels of natural radioactivity due to the presence of these radionuclides. Since this is a populated
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cc9be13fdf6fe66706ae0bc7bc0c061e
https://doi.org/10.1016/j.ecoenv.2017.02.004
https://doi.org/10.1016/j.ecoenv.2017.02.004
Autor:
Román Padilla Álvarez, Maydel Rodríguez González, Dennys Leyva Bombuse, José Araújo dos Santos Júnior, Alfredo Montero Álvarez, Iván Pupo González, Guillermo Mesa Pérez, Juan Estévez Álvarez, Nelis Blanco Hernández, Marvic Ortueta Milan, Nancy Alberro Macias, Zahily Herrero Fernández, Débora Hernández Torres
Publikováno v:
X-Ray Spectrometry. 45:77-84
This research presents the contents of Ca, Fe, Zn, Br, Rb, Sr and Pb in lichen samples used as biomonitors of air pollution collected in Havana. Statistical comparisons were made among the results obtained in three campaigns during three years. Two X
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a6003e26bd180d9778c211afd428b5a6
https://doi.org/10.1002/xrs.2657
https://doi.org/10.1002/xrs.2657
Autor:
Juan Estévez Álvarez, Lázaro Lima Carzola, Oscar Díaz Rizo, Clístenes Williams Araújo do Nascimento, Iván Pupo González, Jorge L. Gómez Pascual, Alfredo Montero Álvarez, Roberto Ayllón Torres
Publikováno v:
Environmental Monitoring and Assessment. 189
Epiphytic lichens, collected from 119 sampling sites grown over “Roistonea Royal Palm” trees, were used to assess the spatial distribution pattern of lead (Pb) and identify possible pollution sources in Havana (Cuba). Lead concentrations in liche
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::064a6d98ffe573c8012993460a49427e
https://doi.org/10.1007/s10661-016-5739-8
https://doi.org/10.1007/s10661-016-5739-8
Publikováno v:
Nucleus, Vol 0, Iss 50 (2011)
An epiphytic lichen (physcia alba sp.) grown over Royal Palm (Roystonea regia) tree was used as bioindicator of air quality in Havana City. A total of 225 lichen samples were collected in 181 selected sites according to traffic and industrial conditi
Externí odkaz:
https://doaj.org/article/a59c51cf8245470994a9c5264ebb8591