Evaluation of demineralization of semi-anthracites from mines located in Boyacá and Santander (Colombia)

Wilmer Alexander Lugo Martinez, Huber Yesid Avila Rios, Marley Cecilia Vanegas Chamorro, Alberto Albis Arrieta, Marco Antonio Ardila Barragán

Methodology for the geotechnical characterization of tropical soils derived from volcanic rocks

Alan Jaret Aparicio Ortubé, Lizeth Viviana Camelo Espinosa, Carlos Mario Henao Yepes, Ana María Londoño Luján, Eileen Carolina Salgado Correa, María Camila Sierra Hernández, Eduard Danilo Vanegas Chaverra, Yamile Valencia González




Comparative study of the thermal properties of Sesame oil and two mineral oils of different viscosity

Anny Astrid Espitia Cubillos, Arnoldo Emilio Delgado-Tobón, William Arnulfo Aperador Chaparro





A Harmony Search approach for the Manufacturing Cell Design Problem

Edwin Alberto Garavito Hernández, Leonardo Hernán Talero Sarmiento, Laura Yeraldín Escobar Rodríguez