Universidad Tecnológica de Bolivar UTB (Colombia): últimos ingresos
Mostrando ítems 241-260 de 11668
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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 ... -
Family school climate and its relationship with academic performance: Application in rural educational institutions
(Cartagena de Indias, 2022)Analyses that allow understanding the organizational behavior of the actors are very important. The objective of this article is to determine the relationship between family social climate and educational quality indicators ... -
Forecasting foreign exchange rates in Colombia assuming PPP conditions: Empirical evidence using VAR
(Cartagena de Indias, 2009)This document examines exchange rate forecasts during the 1995-2005 period, using a Purchasing Power of Parity Exchange Rate Model (PPPER). Our first finding is that the computed forecasts seem to validate the use of this ... -
Form and void in Severo Sarduy's poetry
(Cartagena de Indias, 2013)In this essay we will elevate models on simulated models and/or figures in Severo Sarduy's poetry which can reveal the relationship between form and void and the philological and philosophical implications of that correlation. -
Fotografía en América Latina. Imágenes e Identidades a Través del Tiempo y el Espacio.
(Cartagena de Indias, 2019)El Instituto de Estudios Peruanos publicó en el verano de 2018 -bajo la coordinación editorial de las antropólogas Gisela Cánepa Koch e Ingrid Kummels- esta recopilación de estudios de caso que exploran el redescubrimiento, ... -
Fractional Fourier transform method of chirped fringe pattern analysis for profilometry
(Cartagena de Indias, 2020)A method is proposed to obtain the 3D profile of an object or the shape of a wavefront. The analysis of linearly chirped cosenoidal fringes is performed in the fractional Fourier domain. © OSA 2020, © 2020 The Author(s) -
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)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., ... -
Francoist representations in the monetary issues of the reign of Juan Carlos I (1975-2014)
(Cartagena de Indias, 2021)This paper contains a review of all the legal tender coins that display an iconography associated with the Franco dictatorship during the reign of Juan Carlos I of Spain (1975-2014), except for collectible coins (commemorative ... -
Fray pedro of santa maría de ois'pilgrimage seen by the journal as 4 aldeas
(Cartagena de Indias, 2020)The following research article presents an exhaustive compilation of the news in the local journal As 4 aldeas related to the pilgrimage of Fray Pedro de Santa María de Ois (Coirós, A Corunna); a historic celebration of a ... -
Freedom and opportunity. Distributive justice considerations in amartya sen and philippe van parijs
(Cartagena de Indias, 2021)The purpose of this essay is to approach the conceptions of distributive justice in two contemporary economists: Amartya Sen and Philippe Van Parijs. To this end, the notion of capabilities that Martha Nussbaum presents ... -
Full State Feedback of DC-Motor Position and Speed Control Using LQR and Kalman Filter
(Cartagena de Indias, 2022)DC motors are used in various industrial, robotic and motion control applications, and generally angular position and speed are used as the main control variables. This paper presents the design of an LQR controller with ... -
Furan as Impurity in Green Ethylene and Its Effects on the Productivity of Random Ethylene–Propylene Copolymer Synthesis and Its Thermal and Mechanical Properties
(Cartagena de Indias, 2023)The presence of impurities such as H2S, thiols, ketones, and permanent gases in propylene of fossil origin and their use in the polypropylene production process affect the efficiency of the synthesis and the mechanical ... -
FUZZY GAIN SCHEDULING: COMPARISON OF THE CONTROL STRATEGY
(Cartagena de Indias, 2022)The use of better control strategies has a great interest in all kinds of industries in recent years since it allows better use of resources and therefore becomes an important factor in reducing costs associated with ...