Ing. Investig. - vol.27 issue2

Table of contents
Ing. Investig. vol.27 no.2 Bogotá May/Aug. 2007

New knowledge papers

	· Experimental determination of bagasse stiffness coefficient Arzola de la Peña, Nelson · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· A predictive model of natural gas mixture combustion in internal combustion engines Espinoza, Henry; Patino, Luís; González, Yordy; Irving, Lezama · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Grade-two resistance screw shear connector behaviour for a 28 MPa concrete section Larrañaga Rubio, Sherley; Molina Herrera, Maritzabel · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Studying a new technique and implementing a pilot-line process for obtaining dextrins from cassava starch Aristizábal Galvis, Johanna; Moreno, Fabián Leonardo; Basto Ospina, Gustavo · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Ethyl ester production from (RBD) palm oil Martínez A., Óscar Mauricio; Sánchez C., Francisco José; Suárez P., Oscar Yesid · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Reaction parameter study for the chemical synthesis of adsorbent silica gel Sáenz, María Carolina; Báez Quintero, Carlos Andrés; Díaz Velásquez, José de Jesús; Rodríguez Niño, Gerardo · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· The impact of freeze-drying on strawberry quality Amrani, Mahacine; Brigui, Jamal · abstract in English \| French \| Spanish · text in French · French ( pdf )

	· SIM parameter-based security for mobile e-commerce settings Martínez Pabón, Francisco Orlando; Caicedo Guerrero, Jaime; Hernández Cuenca, Rodrigo; Caicedo Rendón, Óscar Mauricio; Hurtado Guaca, Javier Alexander · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Neural network fault diagnosis: Part II: flow recognition Tarifa, Enrique Eduardo; Martínez, Sergio Luis · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Collaborative evaluation as a mechanism for improving evaluation of classroom learning Collazos, César Alberto; Ochoa, Sergio F.; Mendoza, Jair · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

Academic discussion paper

	· Modelling, stability and biomechanical implications of 3 DOF passive bipedal gait Roa, Máximo Alejandro; Villegas, Camilo; Garzón-Alvarado, Diego Alexander · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Determining adjustment variables for rationalising a design for fleet operation in public passenger transport Flórez Valero, Carlos Fabian; Jiménez Póveda, Pedro Luís · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Nonlinear material influence on reinforced concrete beams immediate deflections Gómez Cassab, Alexander; Lizarazo Marriaga, Juan Manuel · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· A study of poly(vinyl alcohol) thermal degradation by thermogravimetry and differential thermogravimetry Barrera, Julián Esteban; Rodríguez, John Alexander; Perilla, Jairo Ernesto; Algecira, Néstor Arial · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· **Metaheuristics applied to vehicle routing: A case study. Part 3: Genetic Clustering and Tabu Routing** González-Vargas, Guillermo; González Aristizábal, Felipe · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Evaluating Colombian SMEs technological innovation: Part 2: problems and challenges in innovation Torres, Luz Marina; Castellanos, Oscar Fernando; Salgado, César Alberto · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )