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Mostrando ítems 61-70 de 339
Diseño de catalizadores RuxMoNi soportados en sílice mesoporosa SBA 15 y su aplicación en la hidrodesulfuración del dibenzotiofeno
(Universidad Michoacana de San Nicolás de Hidalgo, 2016-08)
Nowadays, oil is, along with natural gas and coal, the main source of primary energy worldwide, this represents a lot of challenges related to the separation of fractions that compose it and with the removal of elements ...
Estudo das propriedades elétro-óptica de dispositivos eletroluminescentes confeccionados com um compósito híbrido
(Universidade Estadual Paulista (UNESP), 2014)
Effect of sugar cane straw ash (SCSA) as solid precursor and the alkaline activator composition on alkali-activated binders based on blast furnace slag (BFS)
(2017-07-30)
Alkali-activated materials (AAM) comprise one of the solutions to diminish the use of Portland cement in building construction and, consequently, a reduction in the environmental problems related to CO2 emissions and energy ...
The Galactic disc distribution of planetary nebulae with warm dust emission features - I
(BLACKWELL SCIENCE LTD, 2001-02-01)
We investigate the Galactic disc distribution of a sample of planetary nebulae characterized in terms of their mid-infrared spectral features. The total number of Galactic disc PNe with 8-13 mum spectra is brought up to ...
White light emission of Eu3+-based hybrid xerogels
(1999-12-01)
The luminescence spectra and extended x-ray-absorption fine-structure (EXAFS) measurements of a series of Eu3+-based organic/inorganic xerogels were reported and related to the local coordination of the lanthanide cations. ...
Proton induced luminescence of mineralsProton induced luminescence of minerals
(Revista Mexicana de Física, 2009)
Evaluación por durabilidad en matrices de mortero base cemento portland con sustitución de residuos geotérmicos
(Universidad Michoacana de San Nicolás de Hidalgo, 2018-12)
Environmental pollution is not a new problem, nor is it a regional problem; It is a global problem associated with the growth of the population and the urbanization of the planet. Civil construction is one of the two sectors ...