Listar por tema "Oro"
Mostrando ítems 1-4 de 4
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A theoretical approach of the ethanol adsorption on Au(100), Au(110) and Au(111) surfaces
(Elsevier, 2019)Acceso restringidoThe adsorption of ethanol on Au(100), Au(110) and Au(111) surfaces was studied using electronic structure calculations under the scheme of the density functional theory (DFT) with van der Waals corrections, vdW-DF2 and PBE ... -
Estudio de prefactibilidad para la instalación de una planta productora de bisutería bañada en oro y plata en Lima Metropolitana
(Universidad de Lima, 2022)This research studies the feasibility of installing a plant to produce gold- and silver-plated copper imitation jewelry in Metropolitan Lima in order to commercialize through a virtual platform. The imitation jewelry ... -
El rugoso carrusel metálico del dólar y el oro
(América Economía, 2019)Acceso abiertoEn el caso de los metales preciosos (oro, plata, platino y similares), el mercado es distinto y su precio solo se compone por la oferta y demanda de los bancos centrales (europeos, americanos y asiáticos), además de las ... -
The use and meaning of gold in ancient Peru
(Springer, 2022)Acceso restringidoGold as a native metal is found in nature in quartz veins with pyrite and other sulfurous minerals from epigenetic mineral deposits, or in secondary deposits, known as placers, the gold from which is called alluvial gold ...