Investigaciones: Envíos recientes
Mostrando ítems 261-280 de 1465
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Design of Multilateral Wells for the Conditions of Guajira Offshore Basin in the Colombian Caribbean Sea
(Cartagena de Indias, 2022)This article proposes the design of a multilateral well on the Tayrona area conditions located in the Guajira Offshore basin that belongs to the Colombian Caribbean. This zone has a strategic importance for Colombia, because ... -
The current status of the sustainable development goals in the world
(Cartagena de Indias, 2023-02-03)Sustainable development goals (SDG) incorporate multiple dimensions to measure the progress made by nations in consolidating their economic and human development. Consequently, the main objective of this study is to explore ... -
Design of a Segmentation and Classification System for Seed Detection Based on Pixel Intensity Thresholds and Convolutional Neural Networks
(Cartagena de Indias, 2023)Due to the computational power and memory of modern computers, computer vision techniques and neural networks can be used to develop a visual inspection system of agricultural products to satisfy product quality requirements. ... -
The cultural approach to development and cultural rights as a proposal for the resizing of collective reparation
(Cartagena de Indias, 2020-05-18)To give superficial importance to the cultural aspect in the context of collective reparation, particularly to the effects caused in this area to groups and communities of victims, can have serious repercussions on the ... -
Detection and Analysis of ERPs for Social Cognition Evaluation
(Cartagena de Indias, 2022)This paper describes an approach for elicitation, acquisition, and analysis of event-related potentials (ERPs) for social cognition evaluation. We used images of emotional content that were classified into three groups ... -
La óptica en Colombia: introducción al número especial
(Cartagena de Indias, 2022)This special issue of Optica Pura y Aplicada (OPA) on Optics in Colombia compiles peer-reviewed articles by optics and photonics researchers from Colombia. The call for papers was made in May 2021 through a call published ... -
Prospective and territorial development in island areas: Empirical evidence from Bocachica-Colombia
(Cartagena de Indias, 2019-11-19)The objective of this article is the construction of future stages in the framework of territorial development for the Island of Bocachica in Colombia through collective construction among state community and participating ... -
Profiling inclusive primary school teachers: With focus on transforming teacher-training processes at public educational institutions in the district of cartagena, colombia
(Cartagena de Indias, 2021-04)The main objective of this study is to profile inclusive primary school teachers at educational institutions in the District of Cartagena, Colombia. The sample consists of 91 teachers from six public primary schools. This ... -
Probabilistic Approach to Determine the Spatial Distribution of the Antecedent Moisture Conditions for Different Return Periods in the Atlántico Region, Colombia
(Cartagena de Indias, 2022-04-10)Previous soil moisture conditions play an important role in the design of hydraulic structures because they are directly related to the runoff threshold associated with a return period. These represent one of the main ... -
Presidential preferences in Colombia through Sentiment Analysis
(Cartagena de Indias, 2022)This work carries out the sentiment analysis of the social network Twitter regarding the presidential debate on May 23, where a hashtag was left open so viewers could give their points of view on these three candidates: ... -
Optimal Power Flow Solution for Bipolar DC Networks Using a Recursive Quadratic Approximation
(Cartagena de Indias, 2023-01-04)settingsOrder Article Reprints Open AccessArticle Optimal Power Flow Solution for Bipolar DC Networks Using a Recursive Quadratic Approximation by Oscar Danilo Montoya 1,2,*ORCID,Walter Gil-González 3ORCID andJesus C. ... -
Potential dividends and actual cash flows in equity valuation. A critical analysis
(Cartagena de Indias, 2009-11-11)Practitioners and most academics in valuation include changes in liquid assets (potential dividends) in the cash flows. This widespread and wrong practice is inconsistent with basic finance theory. We present economic, ... -
Power Flow in Bipolar DC Distribution Networks Considering Current Limits
(Cartagena de Indias, 2022-09)Power electronics converters are equipped with current controls that protect the converter from over-currents. This protection introduces non-differentiable equations into the power flow problem. The conventional Newton's ... -
Potential dividends and actual cash flows.A regional Latin American analysis
(Cartagena de Indias, 2009-11-26)We examine the value market assigns to components of the cash flow to equity including potential dividends. We study non financial publicly traded firms from five Latin American countries. The model includes four variables: ... -
Chassis design for an autonomous electric vehicle for the city of Cartagena de Indias (Elevated Autonomous Transport System-Caribbean railway) using finite elements and the Shell technique
(Cartagena de Indias, 2020)SciVal Topics Metrics Abstract This document contains the chassis design for an autonomous electric vehicle. First, a fatigue failure analysis should be done to the underside of the chassis under fluctuating loads. ... -
Characterization of Microplastics in Total Atmospheric Deposition Sampling from Areas Surrounding Industrial Complexes in Northwestern Colombia
(Cartagena de Indias, 2022)In this study, the total atmospheric deposition of microplastics in places near an industrial complex in Cartagena, Colombia is evaluated by taking samples at three points at different distances from the industrial zone. ... -
Changes in journalism and its impact on professional autonomy: evidence from The Worlds of Journalism study in seven Latin American countries
(Cartagena de Indias, 2023)The debates on the future of journalism have led to a great deal of research on its changes in the new hyper-digitalized context. However, its impact on press freedom, specifically on editorial autonomy, is unknown. Using ... -
Caribbean Beauty
(Cartagena de Indias, 2022) -
Career Recommendation System for Validation of Multiple Intelligence to High School Students
(Cartagena de Indias, 2021)Career choice is a critical moment for any student. However, many students worldwide change of path during the first academic year. Vocational tests are tools to help students choose an upper education career by providing ... -
Calculated Torque Control of a Planar Parallel Robot 2-RR
(Cartagena de Indias, 2022)This paper introduces the design, structure and control method of a five-bar planar mechanism with five revolute joints and two degrees of freedom. The control is realized by calculating the torque in the joint space to ...
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.
