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Diseño y dimensionamiento de plantas solares autónomas para viviendas típicas de la zona rural del Departamento de Córdoba
Se dimensionó un sistema fotovoltaico para que opere en forma autónoma y para que suministre potencia eléctrica a la carga típica de una vivienda en zonas rurales del departamento de Córdoba. En el dimensionamiento de un ... -
Simultaneous determination of Cu, Zn and Sn by using anodic stripping voltammetry film electrode Bismuth
It was shown the possibility to determine simultaneously the concentration of Zn and Cu in aqueous solution by Anodic Stripping Voltammetry Square Wave (SWASV) by in situ formation of a bismuth film electrode (BiFE) on a ... -
Analysis of the Porphyrin Additive Particle per Light Dynamic Dispersion
Porphyrins are essential compounds involved in a variety of processes,the formation of its aggregates received considerable interest dueto the different optical and electronic applications. The distribution of theparticle ... -
Proposal of a Linear Differential Equation of First Order that Shapes A Mixture Problem: Mobilization Difficulty among Representation Records and Natural and Algebraic Language
Although the notion of differential equation is present in fields such as mathematics and engineering , understanding by students and some teachers has been limited due to the algebraic approach that has focused teaching ... -
Multiplexing schemes for homomorphic cryptosystems
We present in this article two secure multiplexing and demul- tiplexing schemes that use homomorphic properties from known public key cryptosystems. One scheme is suitable for cryptosystems with addi- tive homomorphic ... -
Centrales fotovoltaicas: contexto colombiano frente a latinoamérica continental de habla hispana
Este artículo propone un análisis del sector fotovoltaico de cada uno de los países de habla hispana de América continental, haciendo un fragmento en regiones; Centro América y Sur América respectivamente. El crecimiento ... -
XPS study for CZTS thin films growth by PVD co-evaporation method
This study shows the preparation of different Cu2ZnSnS4 thin films, following the co-evaporation route of metals (Cu, Sn and Zn Zn) in sulfur atmosphere, in three steps sulfide formation. The best results were acquired by ... -
Industrial Maintenance Engineering and Knowledge Management. Improvement in Business Efficiency
This article demonstrates the strategic level involving managementof knowledge in industrial maintenance engineering for businesseswith physical assets. The peculiarities that occur normally in this type ofbasic activity ... -
Inflación colombiana pronosticada con un VAR bayesiano
En este trabajo se presentan los resultados de una aplicación de la estimación y pronóstico de modelos de Vectores Autorregresivos usando técnicas bayesianas (BVAR), para la inflación anual colombiana. Se comparan los ... -
Medición y evaluación de parámetros meteorológicos para el centro de Bogotá, Colombia
Mediante el empleo de instrumentación virtual, El Grupo de Procesos y Soluciones Energéticas (GP&SE) de la Universidad Central en Bogotá,adelantainvestigacionesrelacionadasconlamediciónyevaluación de radiación solar ... -
Editorial. Elementos 3
La Facultad de Ingeniería y Ciencias Básicas presenta la nueva edición de la revista. -
Synthesis of ZnS thin films by CBD for use as buffer layer in solar cells based on Cu2SnZnS4
ZnS thin films were deposited by CBD (chemical bath deposition) method using a solution containing thiourea and zinc acetate as sources of S and Zn and ammonium citrate as complexing agent. The samples were grown on soda ... -
Toxicidad aguda de una formulación comercial de glifosato sobre Poecilla reticulata (pisces:poecilidae) en condiciones de laboratorio
El glifosato es un herbicida ampliamente usado en Colombiatanto en actividades agrícolas como para la erradicación de cultivosilícitos. La deriva por viento en aspersiones aéreas y la lixiviación deeste producto pueden ... -
Revisión del estado del arte en modelos de localización y relocalización de vehículos para atención de emergencias
El presente artículo hace una revisión del estado del arte en modelos para la localización y relocalización de vehículos para la atención de emergencias entre los cuales se encuentran los sistemas de atención de emergencias ... -
Physicochemical Characterization of the mo/cuins2/zn(o,oh)s/zno System by Using Photoelectron Spectroscopy XPS and AES
Volume and surface spectroscopy techniques are reliable analytical methods to characterize thin films of different materials. This paper presents results related to the composition of the absorbing film (CuInS2) and the ... -
Redesign and optimization of a device small-scale composting to be used in urban agriculture projects
Small-scale composting on closed devices was one of the key research topics of the Bogota Botanical Garden (JBB) for the development of the Urban Agriculture Project 319 activities. Given the consolidation scenario of an ... -
Use of personalized academic text in Politécnico Grancolombiano
The assignment of personalized academic tests, aside from contributing to the eradication of fraud and plagiarism, make possible a better classroom climate. In this article we review some tools used to generate multiple ... -
Chemical Characterization of the Essential Oil and Preliminary Identification of Secondary Metabolites in Leaves Belonging to the Raputia Heptaphylla (Rutaceae) Species
In order to determine the chemical composition of the essential oil of leaves belonging to the R. heptaphylla species (Rutaceae family) and to search for the preliminary presence of some secondary metabolites existing in ... -
Human-computer interaction on educational and artistic scenarios. Kinect as a viable proposal
The possibilities and tools offered by a computer system are becoming more advanced, thorough and comprehensive. With these advancements, the potential for interaction with modern computer systems have been expanding and ... -
Design of a Bench-Scale Airlift Photobioreactor
En este trabajo se evaluó un Fotobiorreactor tipo Airlift (FBR) a escala banco para el cultivo y generación de biomasa microalgal. El proceso de evaluación se desarrolló en diferentes etapas desde el análisis de variables ...