Browsing Investigaciones by Title
Now showing items 263-282 of 390
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Nanocomposite Films of Chitosan-Grafted Carbon Nano-Onions for Biomedical Applications
(BarranquillaSede Norte, 2020-03-07)The design of sca olding from biocompatible and resistant materials such as carbon nanomaterials and biopolymers has become very important, given the high rate of injured patients. Graphene and carbon nanotubes, for ...
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Neología política en Colombia durante los años Uribe (2002-2010)
(BarranquillaSede Norte, 2020-06-01)Este trabajo1 constituye un estudio de treinta y cuatro términos políticos neológicos, tomados de un corpus aleatorio de cincuenta y dos artículos periodísticos publicados en los portales digitales de El Tiempo y Semana. ...
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Neutrino interaction classification with a convolutional neural network in the DUNE far detector
(BarranquillaSede Norte, 2020-11-10)The Deep Underground Neutrino Experiment is a next-generation neutrino oscillation experiment that aims to measure CP-violation in the neutrino sector as part of a wider physics program. A deep learning approach based ...
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Neutrino Oscillation Analysis of 217 Live Days of Daya Bay and 500 Live Days of RENO
(BarranquillaSede Norte, 2020-01-22)We present a neutrino oscillation analysis of two particular data sets from the Daya Bay and RENO reactor neutrino experiments aiming to study the increase in precision in the oscillation parameters sin22θ13 and the effective ...
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NEW BIPARAMETRIC FAMILIES OF APOSTOL-FROBENIUS-EULER POLYNOMIALS OF LEVEL m
(BarranquillaMatemáticasSede Norte, 2020-10-27)We introduce two biparametric families of Apostol-Frobenius-Euler polynomials of level m. We give some algebraic properties, as well as some other identities which connect these polynomial class with the generalized ...
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NEW GENERALIZED APOSTOL-FROBENIUS-EULER POLYNOMIALS AND THEIR MATRIX APPROACH
(BarranquillaSede Norte, 2019-01-25)In this paper, we introduce a new extension of the generalized ApostolFrobenius-Euler polynomials H [m−1,α] n (x; c, a; λ; u). We give some algebraic and differential properties, as well as, relationships between this ...
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New records of eight species of ground beetles (Coleoptera, Carabidae) from Colombia
(BarranquillaBiologíaSede Norte, 2020-09-01)We report new records of eight species of ground beetles (Coleoptera, Carabidae) from Colombia originated from recent field trips and from museum specimens: Amblygnathus suturalis Putzeys, 1845 (Atlántico), Bembidion ...
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Non-Automatic Weighing Instruments Calibration: Parametric Methods for Outliers Assessments
(BarranquillaIngeniería MecánicaSede Norte, 2020-06-10)In the experimental calibration processes, several error of measure can be obtained. Usually, these values are called as outliers. The outliers impact in the instruments’ metrological reliability and, consequently, in the ...
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Notas de clase de pre-cálculo
(BarranquillaMatemáticasSede Norte, 2021-05-01)Las NOTAS DE CLASE DE PRE-CÁLCULO tienen el propósito de servir de guía tanto a profesores como a estudiantes en el desarrollo del curso de PRE-CÁLCULO del primer semestre. Pretende, asimismo, aclarar las dudas que se les ...
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Nuevos registros y estado del conocimiento de heterobranquios marinos (Mollusca: Gastropoda) en el departamento del Atlántico, Caribe colombiano
(BarranquillaLicenciatura en Ciencias NaturalesSede Norte, 2022-06-28)La subclase Heterobranchia es una de las más diversas entre los moluscos gasterópodos; está presente en ambientes marinos, de agua dulce y terrestres, e incluye babosas intersticiales, nudibranquios, lapas intermareales, ...
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Obtención y caracterización de harinas compuestas de Cucurbita moschata D. y Cajanus cajan L. como fuentes alternativas de proteína y vitamina A
(BarranquillaSede Norte, 2020-02-17)Se estudió la utilización de guandul (Cajanus cajan L.) y ahuyama (Cucurbita moschata D.) como alternativas nutricionales y tecnológicamente viables para la elaboración de harinas compuestas con destino a la preparación ...
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ON CONTRA Λ s I -CONTINUOUS FUNCTIONS AND THEIR APPLICATIONS
(BarranquillaMaestría en Ciencias MatemáticasSede Norte, 2021-04-13)In this work, we introduce and study the classes of contra Λ s I -continuous, contra quasi-Λ s I -continuous and contra Λ s I -irresolute functions in a topological space endowed with an ideal. We investigate the ...
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On nearly S-paracompactness
(BarranquillaMatemáticasSede Norte, 2021-08-12)- The objective of the present work is to introduce the notion of α-nearly S-paracompact subset, which is closely related to α-nearly paracompact and αS-paracompact subsets. Moreover, we study the invariance under direct ...
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On Soft b-w-Open Sets
(BarranquillaMatemáticasSede Norte, 2020-06-13)In this paper, it used the notions of soft ω-open sets to introduce and study the concepts of soft b-ω-open sets. Moreover, some of their properties are shown. Furthermore, the concepts of soft b-T1 and soft b-T2 spaces ...
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Optical limiting phenomenon study in oils of vegetable origin
(BarranquillaLicenciatura en MatemáticasSede Norte, 2020-12-31)The optical limiting effect was analyzed in two oils of vegetable origin, extra virgin olive oil and virgin avocado oil; which are materials that have a large amount of organic components and excellent physicochemical ...
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Optimization and Preliminary Physicochemical Characterization of Pectin Extraction from Watermelon Rind ( Citrullus lanatus) with Citric Acid
(BarranquillaIngeniería MecánicaSede Norte, 2022-01-06)Watermelon rind was used for the pectin extraction with citric acid as the extractant solvent. The effects of pH (2.0-3.0), extraction time (45-75 min), and liquid-solid ratio (10 : 1 to 40 : 1 mL/g) on the pectin yield, ...
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Optimization by Central Composite Experimental Design of the Synthesis of Physically Crosslinked Chitosan Spheres
(BarranquillaQuímicaSede Norte, 2020-11-20)Chitosan (CS) has special properties such as biocompatibility, biodegradability, antibacterial, and biological activity which make this material is currently studied in various applications, including tissue engineering. ...
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Optimization of Chitosan Glutaraldehyde-Crosslinked Beads for Reactive Blue 4 Anionic Dye Removal Using a Surface Response Methodology
(BarranquillaQuímicaSede Norte, 2021-01-25)The use of dyes at an industrial level has become problematic, since the discharge of dye effluents into water disturbs the photosynthetic activity of numerous aquatic organisms by reducing the penetration of light and ...
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Optimization of mechanical and setting properties in acrylic bone cements added with graphene oxide
(BarranquillaIngeniería QuímicaSede Norte, 2021-06-03)The extended use of acrylic bone cements (ABC) in orthopedics presents some disadvantages related to the generation of high temperatures during methyl methacrylate polymerization, thermal tissue necrosis, and low mechanical ...
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Opuntia Ficus y Moringa oleifera, y sus efectos como clarificantes en aguas turbias
(BarranquillaSede Norte, 2020-06-01)En este trabajo de investigación sobre clarificantes usted podrá encontrar información actualizada sobre la innovación en procesos de clarificación de aguas; dicha innovación busca que estos sean más económicos, eficientes ...