990 resultados para Francisco de Sales , Santo-Gravat


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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 assessments of sediment chemistry (exceedances of sediment quality guidelines), benthic assemblage structure and acute and chronic ecotoxicity. The results showed that the levels of metal contamination in sediments are not yet enough to cause deleterious effects to the biota. However, the ecotoxicity tests indicated the occurrence of chronic effects, demonstrating that other factors, as the use of fertilizers, could also be a source of contamination.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Contiene: Dissertacion historica II: que demuystra aver cursado el Patriarca Santo Domingo los estudios de artes, y de theologia en la ciudad de Palencia ... Obispado, y escritos de Idacio Galiciano el Historico ...

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Contiene : Dissertacion historica II: que demuestra aver cursado el Patriarca Santo Domingo los estudios de artes, y de theologia en la ciudad de Palencia ... Obispado, y escritos de Idacio Galiciano el Historico ... ; Dissertacion III : curiosa, sobre la patria, obispado, y escritos de Idacio Galiciano el Hitorico ..