Listar por tema "LEMB"
Mostrando ítems 581-600 de 630
-
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 ... -
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 ... -
Social representations of media reception during the COVID-19 lockdown in Colombia: from messages to meanings
(Cartagena de Indias, 2020-07-14)Las investigaciones recientes sobre la COVID-19 se han centrado en los efectos de esta pandemia en la salud pública, así como en los controles de bio seguridad y sus implicaciones socioeconómicas. El presente estudio ... -
Solid-state photocatalysis for plastics abatement: A review
(Cartagena de Indias, 2022-06-17)The COVID-19 pandemic has caused a dramatic increase in plastic wastes associated with the use of single-use masks, gloves, gowns, and other personal protective equipment (PPE). The accumulation of PPE, especially single-use ... -
Solution of the Optimal Reactive Power Flow Problem Using a Discrete-Continuous CBGA Implemented in the DigSILENT Programming Language
(Cartagena de Indias, 2021-11-12)The problem of the optimal reactive power flow in transmission systems is addressed in this research from the point of view of combinatorial optimization. A discrete-continuous version of the Chu & Beasley genetic algorithm ... -
Solving the Optimal Reactive Power Dispatch Problem through a Python-DIgSILENT Interface
(Cartagena de Indias, 2022-07-25)The Optimal Reactive Power Dispatch (ORPD) problem consists of finding the optimal settings of reactive power resources within a network, usually with the aim of minimizing active power losses. The ORPD is a nonlinear and ... -
SPUD: Simultaneous phase unwrapping and denoising algorithm for phase imaging
(Cartagena de Indias, 2020-05-01)Recent methods for phase unwrapping in the presence of noise include denoising algorithms to filter out noise as a preprocessing stage. However, including a denoising stage increases the overall computational complexity ... -
Spurring or Blurring Journalism & Mass Communication Quarterly 1–32 © 2024 AEJMC Professional Standards? The Role of Digital Technology in Implementing Journalistic Role Ideals in Contemporary Newsrooms
(Cartagena de IndiasComunicación Social, 2024-06-22)This study examines the perceived relevance and implementation of competing normative ideals in journalism in times of increasing use of digital technology in newsrooms. Based on survey and content analysis data from 37 ... -
Stabilization of MT-HVDC grids via passivity-based control and convex optimization
(Cartagena de Indias, 2021-04-30)This paper presents a model for stabilizing multi-terminal high voltage direct-current (MT-HVDC) networks with constant power terminals (CPTs) interfaced with power electronic converters. A hierarchical structure of ... -
Statistical Approach for Computing Base Flow Rates in Gaged Rivers and Hydropower Effect Analysis
(Cartagena de Indias, 2023-06-27)The calculation of base flow rates in rivers is complex since hydrogeological and hydrological studies should be performed. The estimation of base flow rates in storm hydrograph associated to various return periods is ... -
Strategies for the improvement of research competences in the professional training of engineers
(Cartagena de Indias, 2021-11-01)The objective of this study is proposing strategies to strengthen research competencies needed by engineers in training. An analytical, situation research was conducted in four Engineering programs from a public university ... -
Studies of Endocrine Disruptors: Nonylphenol and Isomers in Biological Models
(Cartagena de IndiasCampus TecnológicoIngeniería Ambiental, 2023-04-14)Abstract Certain emerging pollutants are among the most widely used chemicals globally, causing widespread concern in relation to their use in products devoted to cleaniness and asepsis. Nonylphenol ethoxylate (NPEOn) is ... -
Study of early P91 dual corrosion in steam and simulated combustion gases from a gas-fired boile
(Cartagena de Indias, 2021-07-25)P91 ferritic steel pipes face dual environments during boilers operation: steam-side and fire-side. This P91 steel assessment differs from the dual studies performed to simulate coal-fired boilers -oxyfuel/steam atmospheres- ... -
Study of the Chemical Activities of Carbon Monoxide, Carbon Dioxide, and Oxygen Traces as Critical Inhibitors of Polypropylene Synthesis
(Cartagena de IndiasCampus Tecnológico, 2024-02-23)This study outlines the investigation into how the compounds CO2 , CO, and O2 interact with the active center of titanium (Ti) on the surface of MgCl2 and how these interactions impact the productivity of the Ziegler–Natta ... -
Substituted heterocycles as new candidates for liquid organic hydrogen carriers: In silico design from DFT calculations
(Cartagena de Indias, 2021-02-24)A new set of compounds based on N- and S-heterocycles were investigated through Density Functional Theory (DFT) for their use as liquid organic hydrogen carriers (LOHCs). The hydrogenated forms of these compounds could ... -
Suicide risk and media consumption in the COVID-19 pandemic in Colombia
(Cartagena de IndiasCampus TecnológicoComunicación Social, 2023-01-19)The media can play an important role in suicide prevention and mental health care, especially in a country like Colombia, affected by an internal armed conflict, and with worrying cases of suicide that increased during the ... -
SunspotCalc: Una aplicación basada en Web y Python para calcular la rotación diferencial del sol y su fotosfera
(Cartagena de Indias, 2023-04-22)En este manuscrito presentamos una aplicación web con soporte en lenguaje de programación PYTHON, REACTJS y JAVASCRIPT, libre y abierta, para el desarrollo de una actividad de enseñanza-aprendizaje de la astronomía, ... -
Supporting Sustainable Futures in Retail: An Exploratory Study on Worker Health, Safety and Wellbeing in Australia
(Cartagena de Indias, 2023-11-20)Health, safety, and wellbeing (HSW) have been studied widely in different contexts and are associated with social, organisational, and human sustainability. However, there is limited research about HSW in retail that ... -
Sustainability and women entrepreneurship through new business models: the case of microfranchises in post-peace agreement Colombia
(Cartagena de IndiasCampus TecnológicoAdministración de Empresas, 2023-10-02)Purpose – This study aims to analyze the establishment of sustainable microfranchises by women victims of the conflict (WVC) entrepreneurs who suffered the consequences and impacts of the longest-running internal conflict ... -
Sustainable engineering and Internet of Things (IoT): Trends and perspectives
(Cartagena de Indias, 2020-07)Internet of Things – IoT appeared in the forecast of engineering three decades ago. Since then, a vast range of applications has been developed in industrial, urban, and rural matters, where one of the most relevant issues ...
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.