{{t.titulosHerramientas.nube}}

{{t.titulosHerramientas.numeros}}

Experimental evaluation of vibration based damage identification techniques on a pedestrian bridge

Abstract: Damage in civil structures such as bridges has generally been identified by visual inspections, however dynamic structural health monitoring has been proposed as an alternative. This paper presents the experimental evaluation of three damage identification te

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Design of a sodium-reduced preservative mixture for use in standard frankfurter sausages

Abstract: High sodium intake increases blood pressure, as well as the risks of heart disease and stroke. The objective of this research was to design a reduced sodium mixture for use in standard frankfurter sausages. A simplex experimental design with four salts was pe

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Comparison of alumina ball size distribution in two white cement grinding units using Swebrec function

Abstract: The results of characterizing the alumina ball size distribution in two mills of a crushing and grinding plant are shown. The mills were unloaded and the ball charge was screened in order to establish the ball size distribution. For both mills, the balls reta

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Rainfall rate and rain attenuation contour maps for preliminary “Simon Bolivar” satellite links planning in Venezuela

Abstract: Predicting precipitation rate and rainfall attenuation are key aspects in planning and dimensioning of wireless communication systems operating at frequencies above 10 GHz, such as satellite communication systems at Ku and Ka-bands. In this paper, contour map

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
A new scheme for multiple fault detection and isolation for rotational mechatronic systems, by means of analytical redundancy and adaptive filtering
Edwin Villarreal-López

Abstract: Although Fault Detection and Isolation systems have been widely studied in recent years, it is still a very active research field due to its relevance in industrial production systems. In this paper, a new approach for multiple fault detection by using residu

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Further experimental evidence that condensation is a major cause of airflow

Abstract: This paper further explores the physics of water condensation, using an experimental structure designed for that purpose. The data show a highly significant correlation (R 2 >0.94, p value <0.001) between observed airflows and partial pressure changes from co

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Synthesis and mechanical characterization of a non-woven nanofiber by the electrospinning technique

Abstract: A non-woven nanofiber or polymeric cover is synthesized with nylon-6 as the base polymeric material. Different acid relationships (formic/acetic) were tested in the electrospinning equipment, until defining by macroscopic observations and SEM Scanning Electro

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Clarification of the water of wetlands using a mixture of natural coagulants

Abstract: The purpose of this investigation was to evaluate the coagulant power of 5 natural combinations to clarify the water of a wetland. The clarification process was simulated with the jar test and a rapid agitation at 120 rpm was established for this test for 1 m

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
OntoAgile: an ontology for agile software development processes

Abstract: Currently, there is a broad portfolio of agile approaches to software development, however, in many cases their implementation is done informally and without a proper institutionalization of the agile values and principles. Although there are some proposals r

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Extraction of total carotenoids from peach palm fruit (Bactris gasipaes) peel by means of ultrasound application and vegetable oil

Abstract: Ultrasound-assisted extraction (UAE) technology was applied to extract total carotenoids from the dry peach palm peel using soybean oil as extraction solvent. The optimization of the parameters of total extraction of carotenoids from the dried peel was carrie

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Physicochemical and mineralogical properties of clays used in ceramic industry at North East Colombia

Abstract: General properties of clays from Ceramica Murano Mine, in the municipality of El Zulia, Norte de Santander, have been investigated. Five clay samples were collected from different mantles of the mine. All the samples were characterized using chemical and mine

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Lagoon trophic state determination. Case of study Tecocomulco´s lagoon, Hidalgo, Mexico

Abstract: Because of anthropogenic impacts on the trophic state of Tecocomulco´s lagoon in Hidalgo, Mexico, the quantities of nitrogen, phosphorus, and other biologically useful nutrients are being increased in spite of they are the primary determinants of a body of wa

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Application of the procedure of the ISO 50001: 2011 standard for energy planning in a company ceramic sector

Abstract: The present research consists in the application of statistical tools for the monitoring of the energy efficiency of indicators in productive processes that comply with the requirements of ISO 50001:2011. This paper presents the methodology and the results in

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Kinetics of mass transfer during osmotic dehydration of auyama (Caribbean pumpkin) in ternary solutions

Abstract: The aim of this study was to address the modeling of aspects such as weight reduction (WR), solid gain (SG) and weight-loss (WL) in Caribbean pumpkin samples osmotically dehydrated in ternary solutions. For this purpose, osmotic dehydration was carried out us

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Optimization of guacamole formulation made with avocado powder and fresh avocado

Abstract: Guacamole is a very desired product in the world market. This research aims to develop a formulation of guacamole prepared with avocado powder (AP), fresh avocado (FA) and spices as main ingredients, using response surface methodology. The independent variabl

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Applying SAXS to study the structuring of Fe3O4 magnetic nanoparticles in colloidal suspensions

Abstract: In this work, Small Angle X-ray Scattering (SAXS) patterns, obtained from two different aqueous colloidal suspensions of magnetite nanoparticles electrostatically stabilized with citric acid, were fitted using three different mathematical models in order to d

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Delineation of special economic zones using integer linear programming

Abstract: Special Economic Zones (SEZs) are delimited geographic areas located within the borders of a country with the objective of stimulating the local economy of a specific region. SEZs have multiple labor and fiscal benefits that allow them to enhance the economic

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Correlation between permeability and porosity for pervious concrete (PC)

Abstract: The aim of this study was to propose a correlation for the hydraulic parameters of pervious concrete (PC). Thus, three aggregates from civil construction waste and one basalt aggregate (reference) were used to produce PC. The ratio c/a (cement: aggregate) 1:3

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Six Sigma as a competitive strategy: main applications, implementation areas and critical success factors (CSF)

Abstract: In the search for competitiveness, organizations adopt strategies to increase the cost-effectiveness of their operations and improve its position in the market. Six Sigma (SS) that was initially developed as a methodology to eliminate defects in production sy

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Data decoding of integer orbital angular momentum beams based in straight edge diffraction nanometric film

Abstract: The orbital angular momentum revolutionized optical communications, since an OAM beam of light does not need to be interrupted for the transfer of data, provides immunity to electromagnetic interference, allows increase bandwidth, rate and transmission capaci

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Evaluation of dolomite as catalyst in the transesterification reaction using palm oil (RBD)

Abstract: In this study, the catalytic activity of dolomite was evaluated for the transesterification of Colombian RBD palm oil with methanol, carried out in a batch reactor at 333.15 K and 600 rpm. The activated dolomites (calcined at 1073.15 K for 2 hours) were chara

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Selection of a sustainable alternative for the reduction of chromium pollution in leather tanning wastewater

Abstract: Various solutions that have been proposed to address the contamination problem of leather tanning wastewater at El Cerrito (Valle del Cauca, Colombia) have generated conflicts between stakeholders. Therefore, with the purpose of selecting a sustainable altern

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Fingerprint analysis of FTIR spectra of polymers containing vinyl acetate

Abstract: The analysis of materials using Fourier transform infrared (FTIR) spectroscopy has a unique area called the fingerprint region for each compound. However, this area is almost never discussed because of its complexity due to the large number of signals that ap

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Detection and classification of changes in buildings by direct comparison of multi-temporal LIDAR Systems data

Abstract: This study consists in the detection of changes in buildings with LIDAR technology, for which, changes in buildings are identified, classified and quantified of two study areas mapped by LIDAR sensors, using the direct comparison of multi-temporal points clou

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Framework for Big Data integration in e-government

Abstract: This article describes research regarding Big Data integration in e-government decision-making, for instance, in areas such as solar energy provisioning, environmental protection, agricultural and natural resources exploitation, health and social care, educat

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Glow discharge effect on temperature and time of treatment for the synthesis of Mo-doped manganite

Abstract: We report the synthesis of CaMn0.9Mo0.1O3 manganite by glow discharge (GD) plasma treatment under Argon-Air atmosphere. The morphological, structural and magnetic properties were evaluated by scanning electron microscopy (SEM), X-ray diffraction (XRD) and mag

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Support vector machines applied to fast determination of the geographical coordinates of earthquakes. The case of El Rosal seismological station, Bogotá - Colombia

Abstract: The objective of this research was to determine the latitude and longitude of seismic events using support vector machines (SVMs) and seismic records from El Rosal station, which is located 40 kilometers northwest of Bogotá, Colombia. A total of 504 SVM model

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Point cloud saliency detection via local sparse coding

Abstract: The human visual system (HVS) can process large quantities of visual information instantly. Visual saliency perception is the process of locating and identifying regions with a high degree of saliency from a visual standpoint. Mesh saliency detection has been

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Water resources in urban systems: El Zapotillo dam as occasional negentropy in the metropolis of Guadalajara, Mexico

Abstract: Within urban system, there are relationships between the constituent elements, which function through the consumption of matter and Energy imported from the environment. This study reviews from the systems theory approach the decisions focused on pressing the

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Storage allocation optimization model in a Colombian company

Abstract: Storage allocation in the warehouse consists in deciding the corresponding areas in which the products must be allocated. It can be made using different techniques to establish a specific position for the products. Some applications provide solutions and eval

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
The effect of pressure filtration coffee preparation methods (Coffea arabica L. var. Castillo) on antioxidant content and activity, and beverage acceptance

Abstract: The majority of pressure filtration methods for coffee preparation constitute acceptable alternatives for the obtention of coffee with bitter notes and body. In this study, antioxidant metabolite retention, antioxidant activity, and cup profiles were determin

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Petrology and geochemistry of the Silgara Schists in the Silos area, Santander Massif, Colombia

Abstract: The Silgará Schists consist primarily of metapelites, metasemipelites, quartz-feldspathic rocks, pure carbonate rocks, and calc-silicate rocks. The REE content and patterns, the Zr/Sc and Th/Sc ratios, and the high contents of Hf and Zr point to a felsic uppe

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Corporate governance practices in brazilian family construction companies

Abstract: In Brazil, family construction companies provide a significant share of goods and services in the construction industry. To protect themselves against fraud, crises and problems inherent to family organizations, these corporations need to implement at least b

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Spatial variability of soil pH sampled by two methodologies used in precision agriculture in farms under crop rotation

Abstract: This study aimed to characterize the spatial variability of pH in soils of two farms in the state of Paraná, Brazil, based on two different sampling methods used in precision agriculture, by means of geostatistical analyzes. The first method of sampling the p

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Assessing the effect of adding maize and rice brans in the development by twin-screw extrusion of a ready-to-eat cereal formulated with flours of quality protein maize and zinc biofortified rice

Abstract: A ready-to-eat cereal processed by a twin-screw extrusion was formulated, using flour and bran from a quality protein maize (QPM) variety and a zinc biofortified rice. The effect of variation of the content of bran in the formulation on the physical quality o

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Determinación experimental del equilibrio de fases en el sistema Ti-Nb-Mn a temperaturas entre 1150°C y 1200°C

Resumen: The aging and increase of the world population entails a progressive use of biomedical implants. Titanium base alloys, have been widely applied. Ti-Mn, Ti-Nb, Ti-Nb-Mn and Ti-Ta-Nb-Mn alloys have been postulates with potential biomedical use for the next gene

es en

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Cambio climático en la ciudad de Medellín - Colombia, en un periodo de cincuenta años (1960-2010)

Resumen: La evaluación del cambio climático es de gran interés para la comunidad científica y los entes gubernamentales ya que permite planear y realizar acciones correctivas a fin de mitigar sus efectos. El objetivo de este estudio fue comparar las variaciones de tem

es en

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Análisis de la eficiencia de reactores UASB en una planta de tratamiento de aguas residuales municipales

Resumen: Se evaluó la eficiencia de los reactores UASB (Upflow Anaerobic Sludge Blanket) en una planta de tratamiento de aguas residuales (PTAR) municipales durante un periodo de 9 años. La PTAR trató un caudal promedio de 500 l/s, con eficiencias de remoción de deman

es en

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
PCAindustrial: software libre para diseño de pavimentos industriales de concreto

Resumen: El método de diseño de la PCA para pavimentos y pisos industriales de concreto es uno de los más conocidos a nivel mundial, pero su aplicación se ha convertido en poco práctica por su complejidad y el uso de nomogramas como herramienta de diseño. Debido a est

es en

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Diseño geotécnico de pilares en minas subterráneas de vetas auríferas en casos de Colombia

Resumen: Se presenta un método empírico-analítico para el diseño de pilares de rocas en la minería subterránea de vetas auríferas en Colombia, que parte de la observación de casos en algunas de las condiciones geológicas de mayor producción en el país y otras experien

es en

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Red neuronal artificial aplicado para el pronóstico de eventos críticos de PM2.5 en el Valle de Aburrá

Resumen: Las grandes implicaciones que tiene en la salud humana la exposición a eventos de contaminación atmosférica, puede tener repercusiones en la calidad de vida, economía, y en la calidad de los ecosistemas de una ciudad. Con la posibilidad de prever un evento cr

es en

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Calidad de adhesión y propiedades reológicas de asfaltos residuales, no modificados y nano-modificados, obtenidos de crudos pesados de pavimentación

Resumen: Los crudos pesados de pavimentación (CPP) constituyen asfaltos líquidos naturales que pueden ser empleados en soluciones de pavimentación no convencionales para vías de tránsito bajo y medio por su menor costo en comparación con el de cementos asfálticos conv

es en

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Efecto del residuo de mampostería en la hidratación de pastas de cemento Portland

Resumen: En este artículo se presentan los resultados de un estudio experimental sobre el efecto de la incorporación del residuo de mampostería (RM) proveniente de residuos de construcción y demolición (RCD) en la hidratación de pastas de cemento. La cinética y las re

es en

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Propuesta de seguridad basada en el comportamiento para una empresa de transporte público en Colombia. Continuación de un caso de estudio
Fabián Alfredo Torres-Sandoval

Resumen: Se realizó un estudio observacional de corte transversal con enfoque descriptivo en una muestra probabilística de 127 conductores con el objetivo de realizar una propuesta de seguridad basada en el comportamiento para una empresa de transporte público en Colo

es en

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}

Criterios de Evaluación
Criterios Básicos de Admisión Criterios Básicos de Admisión
{{criterio.prioridadCriterio}}. {{criterio.observaciones}}
{{criterio.prioridadCriterio}}. {{criterio.observaciones}}
Criterios Altamente Valorados / Criterios Deseables Criterios Cualitativos
{{criterio.prioridadCriterio}}. {{criterio.observaciones}}
{{criterio.prioridadCriterio}}. {{criterio.observaciones}}
Criterios Altamente Valorados Cuantitativos
{{criterio.prioridadCriterio}}. {{criterio.observaciones}}