Browsing Investigaciones by Title
Now showing items 341-360 of 390
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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 ...
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Synthesis of 3-Aroyl-4-heteroarylpyrrole Derivatives by the Van Leusen Method
(BarranquillaSede Norte, 2022-02-15)The synthesis and structural diversification of N-heterocycles systems have attracted much attention because of their potential applications. Three 6-aryl-3-methyl-1-phenyl-1H-pyrazolo[3,4- b]pyridine-5-carbaldehyde 4 ...
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Synthesis, Characterization, and Histological Evaluation of Chitosan-Ruta Graveolens Essential Oil Films
(BarranquillaSede Norte, 2020-04-07)The development of new biocompatible materials for application in the replacement of deteriorated tissues (due to accidents and diseases) has gained a lot of attention due to the high demand around the world. Tissue ...
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Synthesis, Characterization, and Optimization Studies of Starch/Chicken Gelatin Composites for FoodPackaging Applications
(BarranquillaQuímicaSede Norte, 2022-03-31)The indiscriminate use of plastic in food packaging contributes significantly to environmental pollution, promoting the search for more eco-friendly alternatives for the food industry. This work studied five formulations ...
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El tamaño sí importa! Incidencia del tamaño del cebo en la captura de escarabajos coprófagos en el bosque seco tropical
(BarranquillaBiologíaSede Norte, 2022-01-03)Introducción: Típicamente, la investigación sobre escarabajos estercoleros en los Bosques Secos Tropicales (BDT) del Caribe Colombiano región, han aplicado metodologías diseñadas para zonas húmedas o andinas del país, que ...
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Tambó y Batería. Ejecución de la batería como instrumento complementario en los aires de chandé pascuero, fandango de lengua y son palenque
(BarranquillaSede Norte, 2019-06-01)Tambó y Batería es un libro dirigido a percusionistas experimentados o principiantes. En este se ofrece una herramienta de mucha utilidad, y encontrar esquemas rítmicos de acompañamiento en la batería del chandé pascuero, ...
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Técnicas de desarrollo organizacional para la actualización tecnológica del docente en instituciones de educación superior
(BarranquillaAdministración de EmpresasSede Norte, 2020-10-01)Esta investigación caracteriza las técnicas de desarrollo organizacional para la actualización tecnológica del docente en instituciones públicas de educación superior de la región caribe (Colombia). La metodología fue ...
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