Rev. acad. colomb. cienc. exact. fis. nat.

Table of contents
Rev. acad. colomb. cienc. exact. fis. nat. vol.38 no.148 Bogotá July/Sept. 2014

Natural sciences

	· *Optimization of the extraction of Salvia officinalis* L. antioxidants with supercritical CO₂** Martínez, Jairo René; Carlos, Ruiz; Arias, Ginna; Stashenko, Elena · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Two decades of study of the diversity of ants in Colombia Chacón de Ulloa, Patricia; Abadía, Juan Carlos · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Synopsis of the plant family Myrtaceae and key for the identification of the native and introduced genera in Colombia Parra-O., Carlos · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

Physical sciences

	· Removal of attenuation and dispersion in pre-stack gathers using inverse filter with quality factor estimated on instantaneous spectrum Corrales, Álvaro; Almanza, Ovidio; Montes-Vides, Luis · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

Chemistry

	· Mineralization and sorption of ¹⁴C-glyphosate in samples from three soil types collected in El Espinal, Colombia Cuervo, Jairo Leonardo; Fuentes, Cilia Leonor · abstract in English \| Spanish · text in English · English ( pdf )

Mathematics

	· Characteristics of two Competing Risks Models with Weibull Distributed Risks Yáñez, Sergio; Escobar, Luis A.; González, Nelfi · abstract in English \| Spanish · text in English · English ( pdf )

Earth sciences

	· State of the art of the early warning system in Colombia Domínguez-Calle, Efraín; Lozano-Báez, Sergio · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Metagabbros of Gran Roque Island (Venezuela). Geochemistry and petrography Toro-Toro, Luz Mary; Moreno-Sánchez, Mario; Gómez-Cruz, Arley de Jesús; Giraldo-García, Juliana · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )