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Concentrations of available heavy metals in Mediterranean agricultural soils an...

Nunes, José Rato; Ramos-Miras, José; Lopez-Pineiro, António; Loures, Luís; Gil, Carlos; Coelho, José; Loures, Ana

The characterization of the content of trace metals in soils is an instrument in many programs of environmental protection, including the establishment of regional-level standards to detect sites affected by contamination. The objectives of the present study were to study the available levels of Cd, Cr, Cu, Ni, Pb, and Zn in surface horizons of agricultural soils in a typical European Mediterranean region, to e...


Concentrations of available heavy metals in Mediterranean agricultural soils an...

Nunes, José Rato; Ramos-Miras, José; Lopez-Piñeiro, António; Loures, Luís; Gil, Carlos; Coelho, José; Loures, Ana

The characterization of the content of trace metals in soils is an instrument in many programs of environmental protection, including the establishment of regional-level standards to detect sites affected by contamination. The objectives of the present study were to study the available levels of Cd, Cr, Cu, Ni, Pb, and Zn in surface horizons of agricultural soils in a typical European Mediterranean region, to e...


Concentrations of available heavy metals in mediterranean agricultural soils an...

Nunes, Jose Rato; Ramos-Miras, Jose; Lopez-Pineiro, Antonio; Loures, Luis; Gil, Carlos; Coelho, Jose; Loures, Ana

The characterization of the content of trace metals in soils is an instrument in many programs of environmental protection, including the establishment of regional-level standards to detect sites affected by contamination. The objectives of the present study were to study the available levels of Cd, Cr, Cu, Ni, Pb, and Zn in surface horizons of agricultural soils in a typical European Mediterranean region, to e...




Estudo do comportamento ao fogo de uma asna metálica: comparação entre o método...

Vila Real, Paulo M.M.; Piloto, P.A.G.; Gil, Carlos

Fez-se um estudo comparativo do comportamento ao fogo de uma asna metálica utili7ando-se para o efeito um método avançado e um método simplificado de cálculo. No primeiro utilizou-se o programa SAFIR que é um programa de elementos finitos para análise não-linear geométrica e material especialmente desenvolvido para cálculo de estruturas sujeitas acção do fogo e no segundo usaram-se as fórmulas preconizadas na p...

Date: 2001   |   Origin: Biblioteca Digital do IPB


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