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    Effects of UV-Vis Irradiation on Vanadium Etioporphyrins Extracted from Crude Oil and the Role of Nanostructured Titania by Debra Jene Kirkconnell Reyes, Andrés García Saravia Ortiz de Montellano, Rudy Amilcar Trejo Tzab, Gerko Oskam, Juan José Alvarado Gil

    Published 2014-01-01
    “…In this paper, the influence of UV-Vis irradiation on vanadium etioporphyrins, extracted from crude oil from Dos Bocas, Tabasco, Mexico, is studied using UV-Vis spectrophotometry in the absence and presence of nanostructured TiO2 or nitrogen-doped TiO2 modified with copper (N-TiO2/Cu). …”
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    A Physically Based Runoff Model Analysis of the Querétaro River Basin by Carlos Javier Villa Alvarado, Eladio Delgadillo-Ruiz, Carlos Alberto Mastachi-Loza, Enrique González-Sosa, Ramos Salinas Norma Maricela

    Published 2014-01-01
    “…The results have been compared with five ETp different methodologies in the Querétaro river basin in central Mexico. With these results the main effort of the authorities should be directed to better control of land-use changes and to working permanently in the analysis of the related parameters, which will have a similar behavior to changes currently being introduced and presented in observed values in this basin. …”
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