Listar E. Revistas por fecha de publicación
Mostrando ítems 1-20 de 419
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Indicadores de alerta temprana de vulnerabilidad macroeconómica
(Revista EIA - Fondo EditorialAdministrativa, Financiera, Sistemas y ComputaciónEnvigado (Antioquia, Colombia), Universidad EIA, 2008, 2008)Las crisis financieras generan efectos macroeconómicos nocivos que terminan por afectar el nivel de vida de la mayoría de la población. La identificación, prevención o minimización de sus efectos es tarea de las ... -
Desarrollo de un sistema de audición vibrotáctil para el acceso a la música: Fase I
(Biomédica, Mecatrónica y MecánicaFondo Editorial EIAUniversidad CES, 2013-09-26)The sense of touch transmits not only isolated tactile sensations also information that can be processed at the cerebral cortex in a similar way as it is in the brain areas for audition or vision. Both vibratile and ... -
Lecciones del concurso de puentes EIA
(Unidad Académica Civil, Ambiental Geológica e IndustrialFondo Editorial EIA, 2013-10-21)The history, evolution and experience of the bridge contest carried out every year by the Antioquia School of Engineering (EIA) is exposed. The basic structural systems used for bridges are described, the weak points of ... -
Tecnologías de tratamiento para la tierra Fuller contaminada con aceite dieléctrico
(Fondo Editorial EIA, 2013-10-22)In recent years, Colombia has been implementing agreements and regulations for the proper handling and final disposal of hazardous waste, because the amount generated each time is increasing and the adverse impact that ... -
Implementación de un sistema de medición de temperatura empleando fibra óptica para el estudio térmico de transformadores de distribución inmersos en aceite mineral y vegetal
(Fondo Editorial EIA, 2013-10-22)Transformers are elements of the utmost importance in the layout of power grids. Their usable lifespan depends on various factors, amongst them, the temperature within their own interior, specially the localized temperature ... -
Remoción de níquel y DQO presentes en las aguas residuales de la industria automotriz mediante electrocoagulación
(Fondo Editorial EIA, 2013-10-22)By means of this study was determined if the electrocoagulation technique helps to minimize the nickel and organic matter, chemical oxygen demand (COD) concentration, present in wastewaters from automotive industry. A ... -
Why animals come together, with the special case of mixed-species bird flocks
(Fondo Editorial EIA, 2013-10-23)El comportamiento de agrupamiento es un fenómeno biológico global y ubicuo en el reino animal que ha atraído considerable atención en muchos contextos. Los dos factores principales que se cree favorecen la vida en grupo ... -
Determinación del color del exocarpio como indicador de desarrollo fisiológico y madurez en la guayaba pera (psidium guajava cv. guayaba pera), utilizando técnicas de procesamiento digital de imágenes
(Fondo Editorial EIA, 2013-10-23)The colorimetric coordinates analysis of digital images in samples pear guava fruits (Psidium guajava cv. Pear guava) was performed for three times of harvest: traditional harvesting at 120 days after flowering (T1), early ... -
Desarrollo e implementación de un modelo de teoría de restricciones para sincronizar las operaciones en la cadena de suministro
(Fondo Editorial EIA, 2013-10-23)This paper presents a methodological and practical proposal to synchronize the logistic operations and decisions in a Colombian ceramic tile supply chain. For doing so, we used two tools from the Theory of Constraints ... -
Impacto del material reciclado en los inventarios de materias primas de una empresa manufacturera
(Fondo Editorial EIA, 2013-10-23)In this paper, a system dynamics model is designed. This model, together with some management indicators is used to measure the impact of recycled material in an industry. This, in order to provide best elements in decision ... -
Evaluación ambiental para procesos que usan residuos de la industria de los biocombustibles como materias primas
(Fondo Editorial EIA, 2013-10-24)The industry of biofuels generates a lot of amounts of residues, which could be used to produce added-value products. In this work, a Life Cycle Assessment (LCA) methodological approach was used in the cases of glycerol ... -
Síntesis y caracterización de óxidos mixtos de sílice-titania preparados por método sol-gel y tratamiento hidrotérmico
(Fondo Editorial EIA, 2013-10-25)Mixed oxides SiO2-TiO2 were prepared of different compositions by the sol-gel method combined with hydro-thermal treatment (HT), using tetraethylorthosilicate and titanium tetraisopropoxide as precursors of the sources ... -
Laboratory evaluation of compactability and performance of warm mix asphalt
(Fondo Editorial EIA, 2013-10-25)Mezclas asfálticas tibias (MAT) es el término empleado para describir el conjunto de tecnologías que permiten la fabricación de mezclas asfálticas a menores temperaturas que las especificadas para mezclas asfálticas en ... -
Influencia de la relación masa/área en las propiedades de cerámicas de PZN-5PT-5BT
(Fondo Editorial EIA, 2013-10-28)0,90Pb(Zn1/3Nb2/3)O3–0,05PbTiO3-0,05BaTiO3 (PZN-5PT-5BT) ceramic powders, with majority perovskite phase, were synthesized using the columbite method. These powders were shaped into cylindrical pellets, which had two ... -
Control de fasciola hepatica en el agua de consumo animal a través de filtración rápida y lenta
(Fondo Editorial EIA, 2013-10-28)The bovine fasciolosis is a zoonosis caused by Fasciola hepatica transmitted by consuming water and / or vegetables contaminated with the digenea. This disease causes significant economic losses in the dairy producer regions ... -
Influencia de los recubrimientos dúplex sobre las propiedades mecánicas y resistencia al desgaste del acero AISI 4140 bonificado
(Fondo Editorial EIA, 2013-10-28)The AISI 4140 steel is a low chrome/molybdenum alloyed steel with high tensile strength and good toughness, which is normally used for the manufacture of machine parts such as gears, crank shafts, camshafts, etc. However, ... -
Metodología basada en los algoritmos Vega y Moga para solucionar un problema multiobjetivo en un sistema de producción job shop
(Fondo Editorial EIA, 2013-10-29)This paper presents a methodology that aims to minimize simultaneously, in a “Jo b Shop” production system the following variables: process time (makespan time), cost of direct labor and also the fraction defective generated ... -
Modelo de laboratorio de prospectiva en gerencia para la Escuela de Ingeniería de Antioquia —EIA—
(Fondo Editorial EIA, 2013-10-29)This paper presents a proposal of a model for the creation of a center of foresight in management at EIA. This proposition is based on the identification of the needs of organizations to understand the future, as a result ... -
Resistencia al desgaste erosivo-corrosivo de aceros austeníticos fermanal
(Fondo Editorial EIA, 2013-11-05)We obtained austenitic alloys of the Fe-Mn-Al, Fe in the range (4.9~11.0 wt% Al) - (17.49~34.3 wt% Mn) -(0, 43 ~ 1.25 wt% C), which were melted in an induction furnace from high purity materials. The alloys were evaluated ... -
Efecto del contenido de carbono sobre la resistencia al desgaste abrasivo de recubrimientos de CrC depositados por pulverización catódica magnetrón
(Fondo Editorial EIA, 2013-11-05)Chromium carbide coatings on steel are a good candidate for applications on forming and molding dies. The high mechanical strength, chemical resistance and high temperature stability of Cr3C2 phase can be compatible with ...