Investigaciones: Envíos recientes
Mostrando ítems 341-360 de 1465
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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 ... -
Galvis, L. A., Rodríguez, G., & Ovallos, S. (2021). Quality of work life in Cartagena, Barranquilla, and Santa Marta. Cuadernos de Economía, 40(82), 307-338.
(Cartagena de Indias, 2021)The main cities of the Colombian Caribbean have recently reached the lowest unemployment figures in the country. However, they exhibit the highest informality rates. The objective of this paper is to analyse the situation ... -
Gender differences in math and reading: Performance, self-concept and expectations
(Cartagena de Indias, 2020)Previous studies show gender differences in math and language performance, mainly in adolescents. In this study, we aim to evaluate gender differences in self-concept, subjective value, expectations and academic performance, ... -
Generative Adversarial Networks for Cell Segmentation in Human Corneal Endothelium
(Cartagena de Indias, 2022)We generate synthetic images with a generative adversarial network (GAN) model trained with image patches from specular microscopy corneal endothelial cells. Preliminary results show it may be a suitable approach for ... -
Guidance and support of women in engineering programs at Universidad Tecnologica de Bolivar
(Cartagena de Indias, 2023)Gender equality is one of the sustainable development goals. In STEM areas, it is a requirement to expand and improve women's careers. To increase the participation of women in STEM it is not enough to attract more young ... -
Heterogeneous Photocatalytic Pilot Plant for Cyanide Decontamination: A Novel Solar Rotary Photoreactor
(Cartagena de Indias, 2022)During the gold extraction in opencast mining, many hazardous substances, such as cyanide, are spilled into the water bodies. This study’s aim was to develop a novel rotary photocatalytic TiO2-based reactor to remove cyanide ... -
Recursive Convex Model for Optimal Power Flow Solution in Monopolar DC Networks
(Cartagena de Indias, 2022-10-05)This paper presents a new optimal power flow (OPF) formulation for monopolar DC networks using a recursive convex representation. The hyperbolic relation between the voltages and power at each constant power terminal ... -
Highway Planning Trends: A Bibliometric Analysis
(Cartagena de Indias, 2022)An efficient highway infrastructure network is a determining factor in promoting the socio-economic development of countries and regions. Highway planning activities are highly important because their results ensure that ... -
Hybrid Materials Based on Nanoparticles Functionalized with Alkylsilanes Covalently Anchored to Epoxy Matrices
(Cartagena de Indias, 2022)In this work, the surface modification of zinc oxide nanoparticles (ZnO-NPs) with 3-glycidyloxy-propyl-trimethoxysilane (GPTMS) was investigated. The ZnO-NPs were synthesized using the physical method of continuous arc ...
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.
