Artículos de investigación: Envíos recientes
Mostrando ítems 121-140 de 248
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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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A COMPREHENSIVE STUDY OF BIOFILMS GROWING ON THE BUILT HERITAGE OF A CARIBBEAN INDUSTRIAL CITY IN CORRELATION WITH CONSTRUCTION MATERIALS
(BarranquillaSede Norte, 2020-02-01)Biodeteriogens growing on constructions belonging to the built heritage is one of the leading natural pathologies that cause aesthetical and in some cases, physical-geochemical problems in the materials. In this study, for ...
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La ética como etología. Naturalización de un problema filosófico
(BarranquillaFilosofíaSede Norte, 2022-03-07)Naturalizar ciertos problemas filosóficos no es tan problemático hoy como lo fue hace décadas. La excesiva especulación a la hora de reflexionar sobre ciertos temas, ha dado paso, paulatinamente, a una filosofía informada ...
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Estrategias tecnológicas en bibliotecas universitarias como centros de recursos para la investigación y el aprendizaje en la región Caribe de Colombia
(BarranquillaAdministración de EmpresasSede Norte, 2020-12-01)La presente investigación estuvo dirigida a caracterizar las estrategias tecnológicas utilizadas en bibliotecas universitarias como centros de recursos para la investigación y el aprendizaje en la región Caribe Colombiana. La ...
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Gestión de política de protección social en salud mental familiar en Colombia
(BarranquillaSede Norte, 2022-07-10)Las políticas de protección social son de carácter transitorio y sus objetivos son los de aminorar o regular los embates de las políticas económicas. El presente artículo científico tiene por objetivo, elaborar un análisis ...
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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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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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Fourier expansion and integral representation generalized Apostol-type Frobenius–Euler polynomials
(BarranquillaMatemáticasSede Norte, 2020-09-29)The main purpose of this paper is to investigate the Fourier series representation of the generalized Apostol-type Frobenius–Euler polynomials, and using the above-mentioned series we find its integral representation. ...
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A NOTE ON SEMI-OPEN SETS IN TRICLOSURE SPACES
(BarranquillaSede Norte, 2020-12-29)In this paper, we used the notion of triclosure spaces to introduce and study the concept of semi-open set in triclosure spaces. Besides, we show some of their properties. Moreover, the notions of semi-continuous ...
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Performance of Equilibrium FCC Catalysts in the Conversion of the SARA Fractions in VGO
(BarranquillaSede Norte, 2020-10-23)Two equilibrium FCC catalysts of the octane-barrel (ECAT-D) and resid (ECAT-R) types were used in the cracking of a typical vacuum gasoil (VGO) and its saturated (SF), aromatic (AF), and resin (RF) fractions. The experiments ...
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CLASSES OF ALGEBRAS AND CLOSURE OPERATIONS
(BarranquillaSede Norte, 2021-02-17)The calculus of classes and closure operations has proved to be a useful tool in group theory and has led to a deep theory in the study of finite soluble groups. More recently, parallel theories have started to be ...
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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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Evaluation of the Corrosion Resistance of AISI 316l Steel Subjected to Severe Deformation Using the Groove Pressing Technique
(BarranquillaSede Norte, 2019-11-25)In this investigation, samples of AISI 316L steel were subjected to severe plastic deformation by the groove pressing (GP) technique using 2 dies A2 type tool steel dies with dimensions of 96 mm X 96 mm, a corrugated die ...
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Effect of Thermal Cycling on Abrasive Wear Response of Cu-1.9Be-0.25(Co+Ni) Alloy
(BarranquillaSede Norte, 2020-08-24)Cu-Be alloys are considered high strength alloys when containing 0.2% to 2% of Be per weight, 0.2% to 2.7% of Co per weight, and up to 2.2% of Ni per weight, since they can present an elastic limit higher than 1380 MPa ...
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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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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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Virtual Education for All: Systematic Review
(BarranquillaSede Norte, 2020-06-15)This article deals with the systematic review of the literature on virtual education for all. Accurately, this work responds to questions such as: What are the technological and pedagogical considerations to implement ...
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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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CALIDAD DE VIDA LABORAL EN CARTAGENA, BARRANQUILLA Y SANTA MARTA
(BarranquillaSede Norte, 2020-01-10)Recientemente, las principales ciudades del Caribe colombiano han alcanzado las menores cifras de desempleo en el país. Sin embargo, presentan altas tasas de informalidad. Así, este artículo tiene como objetivo analizar ...
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Calidad de servicio como elemento clave de la responsabilidad social en pequeñas y medianas empresas
(BarranquillaAdministración de EmpresasSede Norte, 2020-08-01)El presente estudio analizó la calidad de servicio como elemento clave para cumplir con la responsabilidad social en pequeñas y medianas empresas (pymes). La metodología fue descriptiva, no experimental y de campo. La ...
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