FRM - I+D+i - Artículo Publicado: Materiales subidos recientemente
Mostrando ítems 101-120 de 199
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Avances de integración energética en Mendoza de vehículos eléctricos y sistemas de generación distribuida : modelo LEAP
(2021-01-01)Este trabajo presenta herramientas tendientes hacia la evaluación de oportunidades y amenazas que enfrenta el sector energético, para la posterior toma de decisiones basadas en evidencia. Mediante el ejercicio de proposición ... -
A literature review of eutrophication in Life Cycle Assessment. Relevance for pampean agroecosystems in Argentina
(2022-06-01)The tools that operate within the framework of life cycle thinking have acquired great relevance, since they make it possible to determine the environmental profile of the system being evaluated. One of the risks deriving ... -
Life cycle and environmental assessment of calcium looping (CaL) in solar thermochemical energy storage
(2022-04-01)Calcium looping is a promising thermochemical energy storage process to be integrated into concentrating solar power plants. This work develops for the first time a comprehensive life cycle assessment of the calcium ... -
Estudio de carbones activados para el uso en sistemas de refrigeración solar por adsorción
(2017-01-01)El objetivo de este trabajo es evaluar diferentes carbones activados, tres de origen local y uno de origen internacional, y compararlas con las correspondientes al carbón activado de referencia CNR 115. Se busca un carbón ... -
Síntesis y caracterización de pinturas selectivas de CoCuMnOx para pinturas absorbentes solares
(2015-01-01)En este trabajo se propone estudiar la obtención de óxidos mixtos tipo espinela como CoMnCuOx mediante síntesis por combustión estequiométrica originales de un solo paso utilizando ácido aspártico como combustible y la ... -
Síntesis y caracterización de nanopartículas Co3O4 para uso como pigmento en pinturas absorbedoras solares
(2010-01-01)El objetivo de este trabajo es presentar una caracterización físico-química de los polvos de Co3O4 obtenidos mediante una vía de combustión estequiométrica utilizando dos combustibles, Lisina y ácido aspártico, y demostrar ... -
Síntesis y caracterización de pinturas selectivas de Co3O4 para superficies selectivas en colectores solares de baja temperatura
(2009-01-01)Para aumentar el rendimiento energético de los calefones solares se recubre su colector con superficies selectivas siendo las pinturas selectivas una alternativa económica, empleandose como pigmento para fabricarlas ... -
Combustion synthesis of Co-Cu-Mn oxides deploying different fuels
(2015-01-01)Ternary spinel-like oxides such as CuFeMnO4, CoCuMnOx and CuCr2O4 are attractive materials due to their absorbent properties when used as pigments for selective surfaces thus improving solar heaters efficiency. These ... -
Combustion synthesis of ultrafine powders of Co3O4 for selective surfaces of solar collectors
(2015-01-01)Solar selective paints, with the addition of Co3O4 as a pigment, are used to improve energetic efficiency in solar collectors. Although Co3O4 has been obtained by different methods, references about combustion synthesis ... -
Formulación, implementación y validación de un modelo de daño escalar para materiales frágiles aplicado a elementos sólidos tridimensionales
(2018-03-01)La mecánica del daño continuo describe el deterioro progresivo de las propiedades mecánicas de los materiales a partir de un modelo fenomenológico. En este trabajo se presenta la formulación, implementación y validación ... -
Ensayos de puesta a punto para estudios de difusión de arsérnico en Daucus carota sp
(2017-01-01)La propuesta a desarrollar en el presente trabajo es parte de una investigación sobre fenómeno de difusión de arsénico en Daucus carota sp., A partir de un cultivo varietal predominante en la Provincia de Mendoza se hizo ... -
Mathematical modelling of mass transfer phenomena for sucrose and lactitol molecules during osmotic dehydration of cherries
(2022-01-01)The diffusion phenomena of sucrose and lactitol in cherries using different proportions during osmotic dehydration was quantified by means of a mathematical model based on Fick's second law. The average effective diffusion ... -
Combustion Syntheses of Co3O4 Powders Using Different Fuels
(2015-01-01)Co3O4 powders are used as pigment in solar selective paints. In this work, two new gel-combustion processes for the synthesis of Co3O4 nanopowders with lysine (Lys) or ethylenediaminetetraacetic acid (Edta) as fuel are ... -
Combustion Syntheses of CoAl2O4 Powders Using Different Fuels
(2015-01-01)This research intends to analyse the potential use of CoAl2O4 as an opaque pigment for solar collector selective paints. The opacity of the pigment occurs when the average crystallite size is micrometric. The CoAl2O4 ... -
Combustion synthesis of Co3O4 nanoparticles : fuel ratio effect on the physical properties of the resulting powders
(2012-01-01)Co3O4 nanoparticles have been obtained by stoichiometric combustion synthesis: in particular 4 nitrates-aspartic routes each with different fuel ratio (ranging 0.5-2.5) have been studied. It has been determined through ... -
Nanostructured aluminium oxide powders obtained by aspartic acid–nitrate gel-combustion routes
(2009-10-01)In this work, two new gel-combustion routes for the synthesis of Al2O3 nanopowders with aspartic acid as fuel are presented. The first route is a conventional stoichiometric process, while the second one is a non-stoichiometric, ... -
Cerezas en conserva elaboradas con lactitol : una alternativa para reducir su valor calórico
(2020-06-01)Introducción: los polialcoholes son usados en la industria alimentaria como edulcorantes nutritivos y muy conocidos por tener aspecto de jarabe (sirope) al disolverlos en agua. Tienen además, propiedades prebióticas. ... -
Effect of biostimulation in the bioremediation of waters coming from debittering olives process
(2022-11-01)The potential bioremediation of native microorganisms presents in lye waters, produced during the industrial debittering of green table olives was studied in this work. Two treatments, T1 and T2, as well as the corresponding ... -
Alternative sugar substitutes in canned cherries with improved nutritional value suitable for special diet consumers
(2014-11-01)Cherries in syrup were developed with an improved nutritional profile, which can be a healthier choice for people with special diets by the partial and total replacement of sucrose with less caloric polyols as alternative. ... -
Archaeometalurgical and manufacturing procedures. Studies of two ancient copper coins 1851 and 1853
(2022-03-03)The coins presented in this study belong to the Republic of Chile, Independence stage, and their values are One cent (1851) and Half cent (1853). The 1851 coin belongs to a private collector and the 1853 coin was rescued ...