Browsing Productos de investigación by Title
Now showing items 293-312 of 798
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Electrically tunable evanescent mode half-mode substrate-integrated- waveguide resonators
(2012)Electrically tunable evanescent mode half mode substrate integrated waveguide (HMSIW) resonators are implemented for S band applications. An HMSIW loaded with a complementary split ring resonator (CSRR) achieves forward ... -
Electromagnetic sources distributed on shells in a Schwarzschild background
(2011)In the Introduction we briefly recall our previous results on stationary electromagnetic fields on black hole backgrounds and the use of spin-weighted spherical harmonics. We then discuss static electric and magnetic test ... -
Element Free Galerkin (EFG) sensitivity study in structural analysis
(Institute of Physics Publishing, 2019)The present study shows a parametric analysis of the meshfree method, Element Free Galerkin (EFG), on the elastic analysis of a cantilever beam. This study allows us to determine the best convergence conditions of the ... -
Eleven years of cyberattacks on Chinese supply chains in an era of cyber warfare, a review and future research agenda
(Cartagena de Indias, 2021-08-10)Purpose – The contribution of this study aims to twofold: First, it provides an overview of the current state of research on cyberattacks on Chinese supply chains (SCs). Second, it offers a look at the Chinese Government’s ... -
Emptying operation of water supply networks
(MDPI AG, 2017)Recently, emptying processes have been studied in experimental facilities in pipelines, but there is a lack regarding applications in actual pipelines, which permits establishing the risk of collapse because of sub-atmospheric ... -
Energy consumption feedback devices' impact evaluation on domestic energy use
(Elsevier Ltd, 2013)Household energy accounts for one of the major contributors to the countries energy balances. It has been shown, that an effective way to achieve energy saving in that sector, is by providing consumers with information and ... -
Energy, economic, and environmental assessment of the integrated production of palm oil biodiesel and sugarcane ethanol
(Cartagena de Indias, 2021-05-26)The key objective of this study was to evaluate and compare, within the concept of integrated biorefining, the potential environmental gains of the life cycle, economic feasibility and energy balance of the production ... -
El enfoque cultural del desarrollo y los derechos culturales como propuesta para la redimensión de la reparación colectiva
(Cartagena de IndiasCampus Tecnológico, 2020-05-18)Otorgar una importancia superficial a lo cultural en el marco de la reparación colectiva, particularmente a las afectaciones causadas en este ámbito a grupos y comunidades de víctimas, puede generar serias repercusiones ... -
Enhancing higher education experience: The eMadrid initiative at UNED university
(Institute of Electrical and Electronics Engineers Inc., 2015)In this paper we focus on the achievements of eMadrid initiative in some fields of technology-enhanced learning, mainly involving the improvement of the mechanisms for open educational content retrieval from Internet, ... -
La enseñanza de la creatividad en alumnos de psicología de la Universidad Tecnológica de Bolívar (Cartagena, Colombia)
(Cartagena de Indias, 2021-03-10)Se presenta en el siguiente trabajo la experiencia pedagógica del programa de psicología de la Universidad Tecnológica de Bolívar (UTB), una universidad privada de Colombia (Cartagena de Indias) sobre cómo este programa ... -
Environmental life cycle assessment for a large-scale gold mining
(Cartagena de Indias, 2020-07)Mining, generally speaking, is an industry which consumes water in an intensive way, and when metal fineness is less and more mineral is extracted, it will also increase the consumption of this source. Just in the last 40 ... -
Ergonomic and biomechanical evaluation of the use of computers, tablets and smart phones by children. A pilot study
(Springer Verlag, 2017)The use of technological devices has widespread around the world. It is known that inappropriate or prolonged use of electronic devices can cause musculoskeletal discomfort or even illness. However, there are not many ... -
Ergonomic Portable Measuring System Designed to Assist Patients with Metacarpal Injuries
(Cartagena de Indias, 2020-12-24)Metacarpal injuries are a very widespread cause of consultations in emergency hospitals and are related to several types of injuries as well as, partial loss of mobility due to traffic, work or home accidents. After medical ... -
Estandarización Del Proceso Productivo Del Camarón Entero Por Plegadizas De Océanos S.A., Con El Fin De Mejorar La Productividad De La Empresa
(2021)Océanos S.A. con el pasar de los años ha logrado posicionarse como una marca de gran importancia internacionalmente, pues el entorno globalizado en el que se desarrolla le ha permitido orientar sus estrategias hacia ese ... -
Estimate of induced stress during filling and discharge of metallic silos for cement storage
(Universidad Nacional de Colombia, 2015)The present article show the structural analysis realized to metallic silo for storage cement through of the parametric model development in the finite element software ASNYS APDL, the fill and discharge pressures applied ... -
Estimation of PQ distance dispersion for atrial fibrillation detection
(Cartagena de Indias, 2021-05-03)Background and objective: Atrial fibrillation (AF) is the most common cardiac arrhythmia in the world. It is associated with significantly increased morbidity and mortality. Diagnosis of the disease can be based on the ... -
Estimation of soil resistivity by the assembly of a vertical electrical sounding equipment at a university campus at Turbaco, Bolivar
(Institute of Physics Publishing, 2019)A low-cost geoelectric equipment was implemented for academic purposes to carry out the Vertical Electrical Sounding method in order to determine the resistivity and depth of a point on the surface of a university zone and ... -
Estrategias de aprendizaje de estudiantes colombianos de grado y posgrado
(Cartagena de IndiasEconomía, 2020-01-01)Este artículo de investigación expone la importancia de la calidad del aprendizaje docente y analiza las estrategias de aprendizaje en estudiantes de grado y posgrado en educación.Se utilizó un muestreo no probabilístico ... -
Estudio exploratorio de la influencia emocional en la elección de productos alimenticios de los estudiantes de la Universidad Tecnológica de Bolívar, en la ciudad de Cartagena.
(2021)Dado que los estudiantes de la Universidad Tecnológica de Bolívar son clientes potenciales de la institución, es importante evaluar la calidad de los productos y servicios que se les ofrece. Alimentarse es una necesidad ... -
Ethnicity, space and human development in poor urban communities: Commune 6 in cartagena de indias, Colombia
(Campus TecnológicoEconomía, 2020-07)Cartagena de Indias has the highest social exclusion among the main cities in Colombia. This paper evaluates human development and the determinants of poverty in the commune 6, where the Afro-Colombian population predominates. ...
