| Table of contents Rev. ion vol.26 no.1 Bucaramanga Jan./June 2013 Editorial | | | | | | | Articles of Scientific and Technological Research | | | | · Influence of temperature during crude palm oil hydrotreating over NiMo/γ-Al2O3 catalysts Guzmán Castillo, Mónica; Viatcheslav, Kafarov; Guzmán, Alexander; Garzón, Laura
| | | | · Kinetic study of polyuretane syntesis produced from castor oil using Differential Scanning Calorimetry Fuentes, Luis Enrique; Ramírez, Silvia Stella; Coconubo, Angélica Liliana; Ramírez, Álvaro
| | | | · Microalgae based biorefinery: evaluation of oil extraction methods in terms of efficiency, costs, toxicity and energy in lab-scale González-Delgado, Ángel Darío; Kafarov, Viatcheslav
| | | | · Modelling of combustion in Diesel engines: a review of the state of the art García Sánchez, Gabriel Fernando; Chacón Velasco, Jorge Luis; Chaves Guerrero, Arlex
| | | | · Model chloride diffusion in concrete cylindrical specimens immersed in synthetic water Tejada Tovar, Candelaria; Villabona Ortiz, Angel; Villabona Durán, Yurley Paola
| | | | · Feasibility study, achira's starch use as fluid loss control agent in water-based muds drilling Ariza León, Emiliano; Castro Cely, Alba Liliana; Gómez Cañon, David
| | | | · Statistical relationships to estimate rheological properties of aged and non-aged asphalts Puello Méndez, Juliana; Afanasjeva, Natalia; Álvarez Cifuentes, Mario
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