Listar Productos de investigación por título
Mostrando ítems 431-450 de 1394
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Development of films based on chitosan, gelatin and collagen extracted from bocachico scales (Prochilodus magdalenae)
(Cartagena de IndiasCampus Tecnológico, 2024-01-24)Biodegradable biopolymers from species of the animal kingdom or their byproducts are sus tainable as ecological materials due to their abundant supply and compatibility with the envi ronment. The research aims to obtain a ... -
Development of heat transfer and pressure drop correlations in twisted tube heat exchangers
(Cartagena de Indias, 2020)Heat transfer in concentric twisted tubes exchangers has several applications in the chemical and food industry mainly due to its compact structure and high transport coefficients, however, its use has been limited as a ... -
Development of Living Documents and Experimentation with the Physical World as Strategies for the Retention and Attraction of Undergraduate Students in Programming Courses
(Cartagena de Indias, 2021)This article describes the pedagogical strategies planned within the Computer and Systems Engineering program attached to the Faculty of Engineering of the University - before the COVID-19 pandemic, to attract the attention ... -
Diagnosis of solidarity organizations of the artistic-cultural sector in Córdoba and Sucre
(Cartagena de Indias, 2020)This study from the creative and solidarity economy industries, aimed to diagnose the artistic-cultural solidarity organizations in the Colombia´s department Córdoba and Sucre, by reviewing external and internal factors, ... -
Diagnosis of the impact of work stress on construction project teams
(Cartagena de Indias, 2021)El estrés laboral afecta en diferentes niveles y severidad a los trabajadores del mundo sin importar la actividad que realicen, aunque claramente las reacciones de cada uno se manifiestan de diversas maneras. Por otra ... -
Diagnóstico de la madurez de la gestión de proyectos en el sector la construcción en la ciudad de Cartagena
(Cartagena de Indias, 2020-11)Esta investigación contribuye a la evaluación de la gestión de proyectos en el sector de obras civiles y metalmecánicas en la ciudad de Cartagena, determinando el nivel de madurez organizacional por empresas y del sector, ... -
Diagnóstico de las organizaciones solidarias del sector artístico-cultural en Córdoba y Sucre
(Administración de Empresas, 2020)Este estudio desde las industrias creativas y de economía solidaria, tuvo como objetivo diagnosticar las organizaciones solidarias artístico-culturales en los departamentos de Colombia, Córdoba y Sucre; para lo cual se ... -
Diagnóstico sobre el impacto del estrés laboral en los equipos de proyectos de construcción
(Cartagena de Indias, 2021-07-21)El estrés laboral afecta en diferentes niveles y severidad a los trabajadores del mundo sin importar la actividad que realicen, aunque claramente las reacciones de cada uno se manifiestan de diversas maneras. Por otra ... -
Didactic units in physics as learning enhancers for engineering students
(Cartagena de Indias, 2020)The aim of this study was to design and implement teaching units in classical physics and to measure their impact on the learning processes of engineering students. The design of the didactic units was based on knowledge ... -
Diferencias de género en matemáticas y lengua: Rendimiento académico, autoconcepto y expectativas
(Cartagena de Indias, 2020-04-22)Estudios previos muestran diferencias de género en el rendimiento de matemáticas y lengua, principalmente en adolescentes. Este estudio tiene como objetivo evaluar las diferencias de género en autoconcepto, valor subjetivo, ... -
Differences in health-related quality of life, neuropsychological functions and emotional state between children and adolescents with mild traumatic brain injury and healthy controls
(Cartagena de Indias, 2022)Little is known about the impact of mild traumatic brain injury (TBI) on the functioning of children in Latin America, especially regarding a broad construct called health-related quality of life (HRQoL). The objective of ... -
Different Experimental and Numerical Models to Analyse Emptying Processes in Pressurised Pipes with Trapped Air
(Cartagena de Indias, 2023-06-29)In hydraulic engineering, some researchers have developed different mathematical and numerical tools for a better understanding of the physical interaction between water flow in pipes with trapped air during emptying ... -
Differential diagnosis of dengue and chikungunya in colombian children using machine learning
(Springer Verlag, 2018)Dengue and chikungunya are vector borne diseases endemic in tropical countries around the world, with very similar clinical presentation, which makes it hard for physicians to tell them apart. Here we propose the use of ... -
Differential diagnosis of hemorrhagic fevers using ARTMAP
(Springer Verlag, 2012)The differential diagnosis of endemic hemorrhagic fevers in tropical countries is by no means an easy task for medical practitioners. Several diseases often overlap with others in terms of signs and symptoms, thus making ... -
Differential diagnosis of hemorrhagic fevers using ARTMAP and an Artificial Immune System
(2013)The differential diagnosis of endemic hemorrhagic fevers in tropical countries is by no means an easy task for medical practitioners. Several diseases often overlap with others in terms of signs and symptoms, thus making ... -
Diffuser in Fractional Fourier Optics
(OSA - The Optical Society, 2016)We propose a method for calculating a bandlimited diffuser with smooth spectrum in the Fresnel domain without any 2p phase ambiguities using the fractional Fourier transform. Such diffusers are necessary to avoid problems ... -
Difusión digital de objetos: expresiones culturales y turísticas en Colombia
(Cartagena de Indias, 2021-08-09)Los objetos y expresiones culturales hacen parte del turismo representativo de las regiones, por eso, este artículo tiene como propósito demostrar la visibilización de las mismas digitalmente ... -
Digital dissemination of objects: Cultural and tourist expressions in Colombia
(Cartagena de Indias, 2021)The objects and cultural expressions are part of the representative tourism of the regions, therefore, this article aims to demonstrate the visibility of them digitally assisted with technological tools supported by ... -
Digital social networks as site of memory: citizen dialogues through photography on Facebook
(Cartagena de Indias, 2022)This paper addresses the potential of social media as places for citizen dialogue around memory and cultural identity of territories and their inhabitants. From the perspective of cultural anthropology and memory studies, ... -
Dimethylformamide Impurities as Propylene Polymerization Inhibito
(Cartagena de IndiasCampus Tecnológico, 2023-09-18)This research study examined how the use of dimethylformamide (DMF) as an inhibitor af fects the propylene polymerization process when using a Ziegler–Natta catalyst. Several experiments were carried out using TiCl4/MgCl2 ...
Universidad Tecnológica de Bolívar - 2017 Institución de Educación Superior sujeta a inspección y vigilancia por el Ministerio de Educación Nacional. Resolución No 961 del 26 de octubre de 1970 a través de la cual la Gobernación de Bolívar otorga la Personería Jurídica a la Universidad Tecnológica de Bolívar.