PRODUCCIÓN EDITORIAL: Envíos recientes
Mostrando ítems 101-120 de 1455
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Particle size distribution of iron tetracarboxifenilporfirina (III) adsorbed on silicon dioxide by dynamic light scattering
Particle size distribution is a critical property for characterizing particles in suspension systems. Porphyrins are sensitizers essential for different photo-chemical applications, however these compounds form aggregates ... -
Degree of Compliance and Knowledge of the Resolution 371, 2009 Regarding the Handling of Expired Medications in the City of Bogotá
This paper aimed to establish –through direct observation, surveys (to consumers, distributors, and producers of medications) and data analysis– the compliance and knowledge percentage of the Resolution 371 of 2009, through ... -
Nondimensionalization of a differential equation in a practical engineering problem
This work shows an application of Buckingham Pi theorem to obtain dimensionless parameters from a differential equation used to model an elastic damper system attached to the bumper of a car. Although the original problem ... -
The effects of temperature on the structure and morphology of (Ti,Al)N coatings
(Ti,Al)N films were grown on a susbtrate of stainless steel by means PAPVD by controlled pulsed cathodic arc technique usinga target of TiAl (50/50 % atomic) in an Ar + N atmosphere. The coatings were deposited at different ... -
Sobre las reacciones de eliminación de compuestos contaminantes de aguas por fotocatálisis con TiO2/UV: caso azul de metileno
Dada la gran importancia que la fotocatálisis heterogénea y los procesos avanzados de oxidación actualmente tienen alrededor del mundo entero en cuanto a la descontaminación de aguas se refiere, es necesario entender los ... -
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 ... -
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 ... -
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 ... -
Reliability engineering of Computing Systems thorugh EMSI
All systems are comprised by a series of interconnected devicesin such way that they are capable of performing particular functions. These functional blocks may be constituted by a single component or complex subsystems, ... -
Characterization of materials through SEM measures
SEM is an image generation technique widely used on materials researchdue its high-resolution capabilities and proven aptitude to unveil morphological, structural and even chemical features of a given sample.This paper ... -
Obtaining fatty acids from biomass microalgal grown under differemt lightining conditions
It is considered that microalgae fatty acids have the potential to be used as raw material for the production of biofuels such as biodiesel or food supplements. The experimental treatment consisted in the exposure of the ... -
Boosting in the PAC leatning model
A review on the idea of Boosting in the PAC learning model is presented. Also a review of the first practical Boosting method, the adaptative boosting (Adaboost) is provided, giving details concerning theoretical garantees ... -
HPC in simulation and large scale control
The simulation and control of phenomena arising in microelectronics, micromechanics, electromagnetism, *uid dynamics and in general in many industrial processes, is a very challenging task; mainly because they require a ... -
Enseñanza de programación en el Politécnico Grancolombiano. Situación actual y aplicación de TIC como alternativa de mejora
La enseñanza de programación resulta central en los procesos de formación de los programas relacionados con las ciencias de la computación, la ingeniería de sistemas y la ingeniería de software. La formación en esta área ... -
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 ... -
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 ... -
Editorial. Elementos 3
La Facultad de Ingeniería y Ciencias Básicas presenta la nueva edición de la revista. -
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 ... -
Aplicación de la lógica difusa en el ámbito de las energías renovables
Enesteartículosepresentalaaplicacióndeunadelastécnicas de Soft Computing, la lógica fuzzy o lógica difusa, al control de un sistema complejo y altamente no lineal como es un aerogenerador. Se describe el funcionamiento de ...
