Investigaciones: Envíos recientes
Mostrando ítems 681-700 de 1465
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Optimal placement and sizing of PV sources in distribution grids using a modified gradient-based metaheuristic optimizer
(Cartagena de Indias, 2022-03-11)The problem of the optimal placement and sizing of renewable generation sources based on photovoltaic (PV) technology in electrical distribution grids operated in medium-voltage levels was studied in this research. This ... -
A two-stage approach to locate and size PV sources in distribution networks for annual grid operative costs minimization
(Cartagena de Indias, 2022-03-21)This paper contributes with a new two-stage optimization methodology to solve the problem of the optimal placement and sizing of solar photovoltaic (PV) generation units in mediumvoltage distribution networks. The ... -
Effects of orifice sizes for uncontrolled filling processes in water pipelines
(Cartagena de Indias, 2022-03-12)The sizing of air valves during the air expulsion phase in rapid filling processes is crucial for design purposes. Mathematical models have been developed to simulate the behaviour of air valves during filling processes ... -
Application of the hurricane-based optimization algorithm to the phase-balancing problem in three-phase asymmetric networks
(Cartagena de Indias, 2022-03-14)This article addresses the problem of optimal phase-swapping in asymmetric distribution grids through the application of hurricane-based optimization algorithm (HOA). The exact mixedinteger nonlinear programming (MINLP) ... -
APPMAR 1.0: A Python application for downloading and analyzing of WAVEWATCH III® wave and wind data
(Cartagena de Indias, 2022-03-10)This work presents APPMAR 1.0, an application written in the Python programming language that downloads, processes, and analyzes wind and wave data. This application is composed of a graphical user interface (GUI) that ... -
Commodity price shocks and the gender wage gap: Evidence from the metal mining prices super-cycle in Chile
(Cartagena de Indias, 2022-02-04)This paper analyzes the local impact of a natural resource shock on female and male wages as well as the gender wage gap. We contrast three hypotheses using the Dutch disease theory and gender-based segregation patterns ... -
Agro-smart Caribe: Soil moisture measurement system
(Cartagena de Indias, 2021-09-29)Advances in information and communication technologies provide precision agriculture with more efficient tools for agricultural monitoring systems and the possibility of crop irrigation automation. This paper presents the ... -
Smart UTB: An IoT platform for Smart Campus
(Cartagena de Indias, 2021-09-29)The Internet of Things (IoT) aims to create applications to improve people’s quality of life using novel protocols, sensor networks, cloud computing, middlewares and other technologies. These applications can be used in ... -
Eleven years of cyberattacks on Chinese supply chains in an era of cyber warfare, a review and future research agenda
(Cartagena de Indias, 2021-08-10)Purpose – The contribution of this study aims to twofold: First, it provides an overview of the current state of research on cyberattacks on Chinese supply chains (SCs). Second, it offers a look at the Chinese Government’s ... -
Perchlorate Contamination: Sources, Effects, and Technologies for Remediation
(Cartagena de Indias, 2021-12-10)Perchlorate is a persistent pollutant, generated via natural and anthropo genic processes, that possesses a high potential for endocrine disruption in humans and biota. It inhibits iodine fixation, a major reason for ... -
Phakopsora pachyrhizi is the major pathogen associated with soybean rust in Colombia
(Cartagena de Indias, 2021-03-26)Soybean crops grown in the plains of eastern Colombia have been affected by the incidence of rust. This disease, still officially regarded as American soybean rust (caused by Phakopsora meibomiae) by the Colombian Department ... -
Design Of a Strategic Planning for The Company MetalProffice S.A.S in Cartagena-Colombia
(Cartagena de Indias, 2021-04-05)The following research work proposes the creation and implementation of a strategic planning for the company Metal Proffice S.A.S. For which a methodology was used that allowed to collect integral information of the company, ... -
Proposal of a Salary Structure for Positions at Productos Caribe S.A.S in Cartagena-Colombia
(Cartagena de Indias, 2021-04-05)The main resource of a company is its human talent, since it is thanks to the cooperation and contribution of employees and the performance of their roles that it is possible to achieve its objectives. Among the factors ... -
Diseño del sistema de gestión del conocimiento para la gestión de proyectos de una Cámara de Comercio en la región Caribe-Colombia
(Cartagena de Indias, 2021-07-21)Knowledge management is one of the most important aspects within the organizational development since its function allows the growth and improvement of the company. This research is oriented to the design of a knowledge ... -
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 ... -
Marco de Buenas Prácticas para la Iniciación y Planeación en Gestión de Proyectos de viviendas de interés social en Corvivienda, Cartagena de Indias D.T y C
(Cartagena de Indias, 2021-07-21)This research contributes to the solution of the evaluation of the management of projects in the Housing Fund for Social Interest and District Urban Reform (Corvivienda), of the city of Cartagena de Indias D.T. and C., ... -
Design of the competitive advantage & strategic plan for the microenterprise chepas Franciscanas in Bolívar-Colombia
(Cartagena de Indias, 2021-07-21)This article presents a proposal for the competitive advantage and strategic plan to boost the growth of the microenterprise Chepas Franciscanas S.A.S, located in Carmen de Bolívar, this was carried out on the basis of ... -
Desarrollo de documentos vivos y experimentación con el mundo físico como estrategias para la retención y la atracción de estudiantes de pregrado en los cursos de programación
(Cartagena de Indias, 2021-07-19)Este artículo describe las estrategias pedagógicas que fueron planeadas al interior del programa de Ingeniería de Sistemas y Computación adjunto a la Facultad de Ingeniería de la Universidad --- antes de la pandemia, para ... -
Who Participates in Popular Feasts and Festivals? An Empirical Approach from Cultural Economics Applied to the Carnival of Barranquilla (Colombia)
(Cartagena de Indias, 2021-12-02)The empirical analysis of individual participation in local and popular feasts and festivals is a field little explored by cultural economists. This article proposes a methodological scheme to analyse the profile of the ... -
Skin prick test wheal detection in 3D images via convolutional neural networks
(Cartagena de Indias, 2021-10-01)The skin prick test (SPT) is performed to diagnose different types of allergies. This medical procedure requires measuring the size of the skin wheals that appear when the test is performed. However, the manual measurement ...
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.