Investigaciones: Envíos recientes
Mostrando ítems 321-340 de 1465
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Presence of perchlorate in marine sediments from Antarctica during 2017–2020
(Cartagena de Indias, 2022-01-17)Perchlorate of natural origin is a persistent pollutant that affects thyroid function by inhibiting iodine uptake, and this pollutant is frequently detected in different ecosystems at concentrations that can harm human ... -
Resources and strategies for teaching statistics and data analytics in higher education
(Cartagena de Indias, 2022-06)The purpose of this study is to present a literature review analysis on the teaching of statistics and data analytics in higher education. The assessment includes examining the role played by specific factors as mediators ... -
Representations of ancient hellenist culture in the videogames civilization (1991-2018)
(Cartagena de Indias, 2020-01-31)The present scientific article deals with the representations of the ancient Hellenic world that a saga of videogames (of the genre of turn-based strategy) of enormous popularity and historical trajectory as Civilization ... -
Efficient PID Control Design for Frequency Regulation in an Independent Microgrid Based on the Hybrid PSO-GSA Algorithm
(Cartagena de Indias, 2022)Microgrids are a part of the power system that consists of one or more units of distributed generation and are expected to remain in operation after being disconnected from the system. Since they rely on overlying networks, ... -
Electricity retail market and accountability-based strategic bidding model with short-term energy storage considering the uncertainty of consumer demand response
(Cartagena de Indias, 2022)Electricity retailers participate in electricity markets as intermediaries between wholesale and retail markets. They acquire energy on the wholesale side by participating in next-day markets and the pool of power. On the ... -
Evaluation of Educational Quality Under a Six Sigma Approach to Engineering Degrees in Colombia
(Cartagena de Indias, 2022)In this research, a methodology is developed to measure the quality of the Colombian educational system by analyzing universities and their academic programs. For the above, a Six Sigma approach is used as a tool for ... -
Evaluation of ultrasound by direct contact on convective drying of banana (Musa paradisiaca) slices using Principal Component Analysis and Response Surface Methodology
(Cartagena de Indias, 2019)Conventional convective drying is one of the latest techniques used to reduce the amount of water in foods, however, due to the long times of exposure to high temperatures, these techniques can reduce the sensory quality, ... -
EXERGOECONOMIC ANALYSIS in A CEMENT PRODUCTION PLANT
(Cartagena de Indias, 2020)A dry-type Cement Production Plan of 151 Tons per hour was taken as a case of study to implement an exergoeconomic analysis. In this paper, the exergy destruction and the investment costs of the system's units were calculated ... -
Financial modelling in turbulent scenarios: A didactic for the financial valuation of companies and projects
(Cartagena de Indias, 2022)The actual professional needs to process large volumes of real information from companies and projects, to test and to validate various solution scenarios for the most successful decision making in difficult situations. ... -
IV Encuentro Matemático del Caribe - Memorias 2022
(Cartagena de IndiasCampus Tecnológico, 2023-07-18)El Encuentro Matemático del Caribe (Página Web IV Encuentro Matemático del Caribe) tiene como finalidad reflexionar sobre el quehacer matemático y la enseñanza de las Matemáticas en el Caribe colombiano. Así mismo, extender ... -
Religion as a coping stRategy in univeRsity students. a theoRetical Review
(Cartagena de Indias, 2022-07-01)This scientific article presents an analysis of the existing documentation obtained in Scopus (2012-2020) about the religious coping strategies possessed by university students and their usefulness. The study has as objective ... -
High impedance fault modeling and location for transmission line✰
(Cartagena de Indias, 2021)A fault in a power system generates economic losses, security problems, social problems and can even take human lives. Therefore, it is necessary to have an efficient fault location strategy to reduce the exposure time and ... -
Psychometric properties of the Questionnaire of Myths about Giftedness in the Colombian population
(Cartagena de Indias, 2022-05-25)INTRODUCTION: The present work shows the adaptation process and psychometric properties study of the Questionnaire of myths about Giftedness in the Colombian population. The initial version of the questionnaire consisted ... -
Experimental Study of the Impact of Trace Amounts of Acetylene and Methylacetylene on the Synthesis, Mechanical and Thermal Properties of Polypropylene
(Cartagena de Indias, 2022)During the production of polymer-grade propylene, different processes are used to purify this compound and ensure that it is of the highest quality. However, some impurities such as acetylene and methyl acetylene are ... -
Extended Feedback Linearization Control for Voltage Regulation in a Buck Converter with an Unknown Resistive Load
(Cartagena de Indias, 2023)This paper deals with the control problem in a buck converter while considering an unknown resistive load. The control design is based on extended feedback linearization (EFL) theory, which allows finding a general control ... -
Extended focused image in white light scanning interference microscopy
(Cartagena de Indias, 2019)We propose a method to obtain a fringe-free extended focused image in white light scanning interference microscopy based on processing the stack of images over a range within the coherence length of the source. © 2019 The ... -
Extraction of decision rules using genetic algorithms and simulated annealing for prediction of severity of traffic accidents by motorcyclists
(Cartagena de Indias, 2021)The objective of this study is to analysis of accident of motorcyclists on Bogotá roads in Colombia. For detection of conditions related to crashes and their severity, the proposed model develops the strategies to enhance ... -
Factors Associated with Urinary Tract Infection after Prostatectomy
(Cartagena de Indias, 2022)Introduction and Objective Prostate surgery is a common procedure among older men. There are different techniques, and the choice depends on the pathology to be treated, the experience of the specialist, and the technical ... -
Factors influencing demand for public transport in Colombia
(Cartagena de Indias, 2020)The article studies the demand for public transport in Colombian cities, identifying the main determinants explaining market shares for transit services. We used aggregated choice models to estimate overall price, income, ... -
Factors that affect quality of work life of the millennials linked to the commercial sector in Colombia
(Cartagena de Indias, 2021)The present investigation has two aims: (1) to empirically examine the factors that affect QWL among the millennials working in the commercial sector in Colombia and (2) to investigate the role of a set of individual ...
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.
