Listar Artículos de investigación por título
Mostrando ítems 68-87 de 248
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Deep underground neutrino experiment (DUNE) near detector conceptual design report
(BarranquillaSede Norte, 2021-03-26)The Deep Underground Neutrino Experiment (DUNE) is an international, world-class experiment aimed at exploring fundamental questions about the universe that are at the forefront of astrophysics and particle physics research. ...
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Demanda de servicios y posgrados de salud en la Región Caribe de Colombia y en Bogotá D.C.
(BarranquillaSede Norte, 2022-02-06)El objetivo de este estudio es analizar la importancia que tienen los programas formativos de posgrado en el área de la salud para la satisfacción de la demanda de servicios de salud en Colombia. Se comparan la oferta de ...
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Dengue and COVID‐19, overlapping epidemics? An analysis from Colombia
(BarranquillaDoctorado en Medicina TropicalSede Norte, 2020-06-16)Coronavirus disease 2019 (COVID‐19), caused by severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2), has rapidly spread throughout Latin America, a region swept by multiple previous and ongoing epidemics. There ...
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El derecho natural en la constitución política de Colombia, una visión desde los postulados de Javier Hervada
(BarranquillaSede Norte, 2022-06-20)La pluralidad temática y la prolijidad de los textos y reconocimientos que se integran en la Constitución Política de Colombia de 1991 permiten que a esta se le estudie y considere desde diversas ópticas y criterios tanto ...
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Desarrollo integral de procesos de adaptación al cambio en pequeñas y medianas empresas
(BarranquillaAdministración de EmpresasSede Norte, 2020-10-01)El presente estudio estuvo orientado al análisis del desarrollo integral de procesos de adaptación al cambio en pequeñas y medianas empresas (pymes) de servicios tecnológico. Esta es una investigación descriptiva no ...
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Design, characterization and quantum chemical computations of a novel series of pyrazoles derivatives with potential anti-proinflammatory response
(BarranquillaQuímicaSede Norte, 2020-06-24)The synthesis and characterization of the full family of 11 pyrazoles were performed by means of UV–Vis, FTIR, 1 H NMR, 13C NMR, two-dimensional NMR experiments and DFT simulations. As pyrazoles are known for showing ...
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Design, construction and operation of the ProtoDUNE-SP Liquid Argon TPC
(BarranquillaSede Norte, 2022-01-04)The ProtoDUNE-SP detector is a single-phase liquid argon time projection chamber (LArTPC) that was constructed and operated in the CERN North Area at the end of the H4 beamline. This detector is a prototype for the first ...
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Development of a new educational package based on e-learning to study engineering thermodynamics process: combustion, energy and entropy analysis
(BarranquillaIngeniería MecánicaSede Norte, 2020-06-18)This paper presents a new educational package based on e-learning called TermolabUA integrated by three programs, which are VOLCONTROL focused on the analysis of steady-state flow devices, CarnotCycle aimed to analyze ...
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Digital gap of the colombian tourism sector
(BarranquillaSede Norte, 2020-04-13)The purpose of this research is to know the current situation of digitization that exists in the Colombian tourism sector. For this, the data of the Annual Survey of Service-2018 were used, to which the multivariate analysis ...
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Diseño de estructuras con alambres en artesanías de Usiacurí
(BarranquillaLicenciatura en MatemáticasSede Norte, 2021-02-09)El problema de investigación surge del interés por los conocimientos matemáticos presentes en la práctica artesanal del municipio de Usiacurí - Atlántico, Colombia, específicamente, en el diseño de estructuras con alambres. ...
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Diverging functional strategies but high sensitivity to an extreme drought in tropical dry forests
(BarranquillaMaestría en Ciencias AmbientalesSede Norte, 2020-12-14)Extreme drought events have negative effects on forest diversity and functioning. At the species level, however, these effects are still unclear, as species vary in their response to drought through specific functional ...
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Diversity of longhorned beetles (Coleoptera: Cerambycidae) in the Caribbean region of Colombia: temporal variation between two fragments of tropical dry forest
(BarranquillaBiologíaSede Norte, 2021-09-13)The tropical dry forest is under constant threat from many anthropic activities which are conducted indiscriminately, modifying the forest, and therefore, affecting species that are closely related to its phenology, ...
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Do-it-yourself methodology for calorimeter construction based in Arduino data acquisition device for introductory chemical laboratories
(BarranquillaSede Norte, 2020-03-10)Many experimental thermochemical laboratories require monitoring temperatures during a reaction or physical procedure. Nowadays, there are many alternatives to fulfill this requirement; however, they are expensive for basic ...
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Document details - Renormalization group improvement of the effective potential in a (1 + 1) dimensional Gross-Neveu model
(BarranquillaSede Norte, 2022-09-09)In this work, we investigate the consequences of the Renormalization Group Equation (RGE) in the determination of the effective potential and the study of Dynamical Symmetry Breaking (DSB) in an Gross-Neveu (GN) model with ...
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Economic and Exergo-Advance Analysis of aWaste Heat Recovery System Based on Regenerative Organic Rankine Cycle under Organic Fluids with Low GlobalWarming Potential
(BarranquillaIngeniería MecánicaSede Norte, 2020-03-12)The waste heat recovery system (WHRS) is a good alternative to provide a solution to the waste energy emanated in the exhaust gases of the internal combustion engine (ICE). Therefore, it is useful to carry out research ...
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Ecopathogenic complexes of American trypanosomiasis in endemic areas of Venezuela: Diagnosis and variability of Trypanosoma cruzi
(BarranquillaBiologíaSede Norte, 2019-08-21)Background & objectives: Trypanosoma cruzi, the causative agent of American trypanosomiasis, has been reported in 180 mammalian species and 154 triatomines species of Neotropic. This is a clonal parasite with variable ...
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Effect of Addition of Polyurea as an Aggregate in Mortars: Analysis of Microstructure and Strength
(BarranquillaLicenciatura en Ciencias NaturalesSede Norte, 2022-04-26)The addition of polymers in construction is a new tendency and an important step toward the production of structures with better functional properties. This work investigates the addition of polyurea (PU) as a polymeric ...
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Effect of Diesel Oil and Mixture of Alcohol-Glycol Ether on Colombian Ultrafine Coal Cleaning Using a Test-Rig Closed-Loop Flotation Column
(BarranquillaIngeniería MecánicaSede Norte, 2021-07-19)A test-rig closed-loop flotation column was used to observe the effect of diesel oil (collector) and Flomin F-425 (frother) on mass yield and ash content for two Colombian coals: Caypa (northern zone) and Guachinte ...
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Effect of Pretreatment with Low-Frequency Ultrasound on Quality Parameters in Gulupa (Passiflora edulis Sims) Pulp
(BarranquillaIngeniería QuímicaSede Norte, 2021-02-16)The Gulupa (Passiflora edulis f. edulis Sims) is an expression of South America’s tropics’ biodiversity, and a source of B vitamins and amino acids. It is a climacteric export fruit for which it is necessary to incorporate ...
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Effect of the Gallium and Vanadium on the Dibenzothiophene Hydrodesulfurization and Naphthalene Hydrogenation Activities Using Sulfided NiMo-V2O5/Al2O3-Ga2O3
(BarranquillaQuímicaSede Norte, 2020-08-07)The effect of Ga and V as support-modifier and promoter of NiMoV/Al2O3-Ga2O3 catalyst on hydrogenation (HYD) and hydrodesulfurization (HDS) activities was studied. The catalysts were characterized by elemental analysis, ...