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Trends and emissions of six perfluorocarbons in the Northern Hemisphere and Southern Hemisphere
(Copernicus Gesellschaft, 2020)
Perfluorocarbons (PFCs) are potent greenhouse gases with global warming potentials up to several thousand times greater than CO2 on a 100-year time horizon. The lack of any significant sinks for PFCs means that they have ...
The stratigraphic characterization of cenozoic sedimentary deposits of the Sardinha River Basin, south portion of the Quadrilátero Ferrífero (MG), and the establishment of a geochemical backgroundCaracterização estratigráfica dos depósitos sedimentares cenozoicos da Bacia do Ribeirão Sardinha, porção sul do Quadrilátero Ferrífero (MG), e estabelecimento de background geoquímico
(Universidade de São Paulo, Instituto de Geociências, 2018)
Comparison of decomposition procedures for analysis of titanium dioxide using inductively coupled plasma optical emission spectrometry
(2002)
The determination of impurities in titanium dioxide pigments, such as Al, Cd, Cr, Fe, Mn, P, Zn and Zr, is relevant because trace elements affect pigment properties. The critical step in the analysis of this pigment is the ...
Internal combustion engines (ICE) fuelled usign ethanol-gasoline blends: ReviewMotores de combustión interna (MCI) operando con mezclas de etanol gasolina: revisión
(Universidad Militar Nueva Granada, 2016)