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Mostrando ítems 11-20 de 116
Prueba de eficiencia débil en el mercado accionario colombiano
This paper proves the weak efficiency hypothesis when proving the maritingala hypothesis on return differences for the General Index of the Colombian Stock Exchange (IGBC) . A first order conditional dependency structure ...
Tratamiento de lodos generados en el proceso convencional de potabilización de agua
Waterworks sludge from sedimentation process in conventional drinking water treatment plant, recovery tests under aluminum adding H2SO4, thickening and settling properties were investigated. Using H2SO4, was recovered ...
Políticas de mercado y políticas ambientales: el caso del consejo en la elección del objetivo de reducir la carga contaminante vertida en el río Medellín en el período 2006–2011
This article describes the agents participating in the process of implementing the remuneration rate due to the use of water, through negotiating the global goal of reducing the contaminating load, in the Metropolitan Area ...
Contribuciones de la capacitación en el área de materiales
This article sustains that knowledge of materials and their processing are key factors of technological and industrial development. The industrial revolutions of the past centuries are evidence of the relationship between ...