Listar Artículos de investigación por título
Mostrando ítems 201-220 de 248
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Research Trends of Waste Heat Recovery Technologies: A Bibliometric Analysis from 2010 to 2020
(BarranquillaIngeniería MecánicaSede Norte, 2022-09-27)Waste heat recovery (WHR) technologies have become vital to promote efficient operation in energy systems. The present investigation presents a bibliometric analysis of the research trends in the WHR field in the last ...
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Resistencia antibiótica: el papel del hombre, los animales y el medio ambiente
(BarranquillaSede Norte, 2019-05-30)Los microorganismos, especialmente las bacterias, están distribuidos por todo el mundo, desde el suelo, los mares y los ríos hasta el sistema digestivo de los animales y los seres humanos; por lo tanto, las bacterias ...
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Resolución de problemas en química: descifrando métodos, errores, obstáculos, temáticas y aplicabilidad usando N-Vivo
(BarranquillaIngeniería IndustrialSede Norte, 2022-02-15)El alcance de esta investigación fue identificar los métodos, los errores y los obstáculos reconocidos por los estudiantes, y las temáticas y la aplicabilidad que los profesores le otorgan a la resolución de problemas en ...
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Responsabilidad Social: eje transversal en la formación gerencial de universidades venezolanas
(BarranquillaSede Norte, 2020-05-25)El objetivo de la investigación es analizar la responsabilidad social como eje transversal en la formación gerencial de universidades venezolanas. La investigación fue descriptiva, de diseño transversal, apoyada en la ...
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Respuesta de los escarabajos coprófagos (Scarabaeidae: Scarabaeinae) a la modificación del hábitat causada por un incendio forestal en la Reserva Bijibana, Atlántico-Colombia
(BarranquillaBiologíaSede Norte, 2019-10-16)El fuego como herramienta de preparación del suelo para actividades agropecuarias es una práctica comúnmente usada por los campesinos. Sin embargo, ésta puede causar incendios forestales de grandes repercusiones sobre la ...
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Una revista académica como estrategia pedagógica para el desarrollo de competencias genéricas y específicas de profesores de lenguas en formación
(BarranquillaSede Norte, 2019-07-12)Este trabajo presenta el impacto que tuvo la edición de una revista académica como estrategia pedagógica para el desarrollo de competencias genéricas y específicas (expresión escrita) de los profesores de lengua en formación ...
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Sea anemones (Cnidaria, Anthozoa, Actiniaria) in high sedimentation environments influenced by the Magdalena River (Colombian Caribbean)
(BarranquillaBiologíaSede Norte, 2022-05-23)Fifteen species of sea anemones (Cnidaria, Actiniaria) have been recorded so far in the Colombian Caribbean, comprising approximately 28% of the total number of known species in the Caribbean Sea. Most species recorded are ...
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Search for multimessenger signals in NOvA coincident with LIGO/Virgo detections
(BarranquillaSede Norte, 2021-05-06)Using the NOvA neutrino detectors, a broad search has been performed for any signal coincident with 28 gravitational wave events detected by the LIGO/Virgo Collaboration between September 2015 and July 2019. For all of ...
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Search for slow magnetic monopoles with the NOvA detector on the surface
(BarranquillaSede Norte, 2021-01-05)We report a search for a magnetic monopole component of the cosmic-ray flux in a 95-day exposure of the NOvA experiment’s Far Detector, a 14 kt segmented liquid scintillator detector designed primarily to observe GeV-scale ...
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Sergio Guerra Vilaboy, Alejo Maldonado Gallardo y Roberto González Arana, Tres Revoluciones que estremecieron el continente en el siglo xx. México, Cuba y Nicaragua. Santa Marta: Editorial Unimagdalena, Ediciones Uninorte, 2020
(BarranquillaHistoriaSede Norte, 2022-01-01)Sin duda el trabajo investigativo de los profesores Sergio Guerra Vilaboy, Alejo Maldonado y Roberto Gonzalez Arana, constituye un destacado aporte para una mejor comprensión sobre tres revoluciones en la historia ...
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SNAr Reactions on 2-Amino-4,6-dichloropyrimidine-5-carbaldehyde
(BarranquillaIngeniería QuímicaSede Norte, 2022-08-12)We report the experimental results of unexpected aromatic nucleophilic substitution reaction products on 2-amino-4,6-dichloropyrimidine-5-carbaldehyde. The isolated compounds are products of amination, solvolysis, and ...
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Socioeconomic determinants that influence the agricultural practices of small farm families in northern Colombia
(BarranquillaBiologíaSede Norte, 2021-12-06)Access to agricultural services promotes agricultural production and livelihoods of smallholders in most developing countries. The purpose of this study was to analyze the socioeconomic determinants that influence the ...
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Soil macrofauna, mesofauna and microfauna and their relationship with soil quality in agricultural areas in northern Colombia: ecological implications
(BarranquillaBiologíaSede Norte, 2022-07-15)Soil fauna is an essential component of the soil ecosystem for maintaining nutrient cycling and biological soil fertility. This study assessed the soil biodiversity (macrofauna, mesofauna, and microfauna) to define ...
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Statistical Wind Energy Analysis and Wind Persistence Assessment for Cordoba And Sucre Departments' Weather Stations in The Caribbean Region of Colombia
(BarranquillaSede Norte, 2020-06-01)A statistical analysis is carried out on the behavior of wind speed at meteorological stations located in the Caribbean Region of Colombia, in order to establish and identify the potential available in wind energy to be ...
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Study of the Piston Secondary Movement on the Tribological Performance of a Single Cylinder Low-Displacement Diesel Engine
(BarranquillaIngeniería MecánicaSede Norte, 2020-10-30)The present study aims to analyze the secondary movement of the piston considering the deformations present in the piston skirt, the hydrodynamic lubrication, and the effects of the clearances in the connecting rod ...
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Supernova neutrino burst detection with the Deep Underground Neutrino Experiment
(BarranquillaFísicaSede Norte, 2021-05-15)The Deep Underground Neutrino Experiment (DUNE), a 40-kton underground liquid argon time projection chamber experiment, will be sensitive to the electronneutrino flavor component of the burst of neutrinos expected from ...
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Supernova neutrino detection in NOvA
(BarranquillaSede Norte, 2020-10-05)The NOvA long-baseline neutrino experiment uses a pair of large, segmented, liquid-scintillator calorimeters to study neutrino oscillations, using GeV-scale neutrinos from the Fermilab NuMI beam. These detectors are also ...
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Synthesis and Application of a Cationic Polyamine as Yankee Dryer Coating Agent for the Tissue Paper-Making Process
(BarranquillaSede Norte, 2020-01-09)Tissue paper is of high importance worldwide and, continuously, research is focused on improvements of the softening and durability properties of the paper which depend specifically on the production process. ...
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Synthesis and Evaluation of the Fungal Activity of New Pyrazole-Carboxamides against Colletotrichum gloeosporioides
(BarranquillaQuímicaSede Norte, 2020-05-19)The pyrazole core has been recognized by their biological properties and included in the synthesis of modern agrochemicals. Part of these studies consists of making structural modifications to pesticides for commercial ...
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Synthesis and fabrication of films including graphene oxide functionalized with chitosan for regenerative medicine applications
(BarranquillaQuímicaSede Norte, 2021-06-12)Graphene oxide (GO) has recently gained attention as a scaffold reinforcing agent for tissue engineering. Biomechanical and biological properties through a synergistic effect can be strengthened when combined with other ...