Investigaciones: Envíos recientes
Mostrando ítems 1-20 de 1466
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Data augmentation via warping transforms for modeling natural variability in the corneal endothelium enhances semi-supervised segmentation
(Cartagena de IndiasIngeniería, 2024-11-12)Image segmentation of the corneal endothelium with deep convolutional neural networks (CNN) is challenging due to the scarcity of expert-annotated data. This work proposes a data augmentation technique via warping to enhance ... -
El oficio del reciclador y la educación ambiental: experiencias de recicladores en Cartagena, Colombia
(Cartagena de IndiasCiencias Sociales y Humanidades, 2024-10-10)Durante los últimos años el reciclaje y la educación ambiental en Colombia han tomado relevancia. Las campañas educativas han visibilizado la problemática de no gestionar de manera correcta los residuos, así como las ... -
Potential of caffeic acid as an effective natural antioxidant for polypropylene-polyethylene copolymers: A DFT and experimental study
(Cartagena de IndiasIngeniería, 2024-08-12)Caffeic acid (CAF) i is a polyphenolic compound commonly found in plants, valued for its ability to act as an antioxidant. This study focused on investigating the impact of a natural antioxidant, specifically caffeic acid ... -
Applied investigation of methyl, ethyl, propyl, and butyl mercaptan as potential poisons in the gas phase polymerization reaction of propylene
(Cartagena de IndiasIngeniería, 2024-10-10)The polypropylene (PP) synthesis process is crucial in the plastics industry, requiring precise control as it directly impacts the catalytic activity and the final product’s performance. This study investigates the effects ... -
A discrete-event simulation model with a collaborative and lean logistic approach application to a dairy industry
(Cartagena de IndiasIngenieríaCampus TecnológicoIngeniería Industrial, 2024-09-11)The research introduces a discrete-event simulation model that focuses on implementing a collaborative and lean logistic approach to enhance productivity and competitiveness within a supply chain. The model aims to improve ... -
Computational study on the inhibition mechanisms of the ziegler-natta catalyst in the propylene polymerization process: part 1 effects of acetylene and methylacetylene
(Cartagena de IndiasIngeniería, 2024-10-01)Acetylene and methylacetylene are impurities commonly found in the raw materials used for the production of polymers such as polypropylene and polyethylene. Experimental evidence indicates that both acetylene and methylacetylene ... -
Composite coatings of gellan gum and inulin with lactobacillus casei: enhancing the post-harvest quality of guava
(Cartagena de IndiasIngeniería, 2024-09-09)Guava is a highly sought-after tropical fruit in the market due to its high content of vitamins, minerals, antioxidants, and other phenolic compounds. However, due to its climacteric nature, it has a short post-harvest ... -
A study on the early degradation of the non-additive polypropylene–polyethylene composite sampled between the polymerization reactor and the deactivation-degassing tank
(Cartagena de IndiasIngenieríaCampus Tecnológico, 2024-08-09)The industrial production of polypropylene–polyethylene composites (C-PP-PE) involves the generation of waste that is not usable, resulting in a significant environmental impact globally. In this research, we identified ... -
Three-dimensional object texturing for visible-thermal fringe projection profilometers
(Cartagena de IndiasIngeniería, 2024-09-30)Conventional fringe projection profilometers utilize cameras and projectors in the visible spectrum. Nevertheless, some applications require profilometers with a complementary thermal camera for the infrared spectrum. Since ... -
Anatomy of the economic value generated by a cultural event
(Cartagena de IndiasInstituto IDEEASCampus TecnológicoEconomía, 2024-06-27)El artículo mide los efectos económicos de las decisiones tomadas por dos agentes del sector cultural y creativo. Los gestores de un evento cultural deciden producirlo: movilizan un flujo de artistas y creativos que ... -
QCL infrared spectroscopy combined with machine learning as a useful tool for classifying acetaminophen tablets by brand
(Cartagena de IndiasIngenieríaCampus Tecnológico, 2024-07-28)The development of new methods of identification of active pharmaceutical ingredients (API) is a subject of paramount importance for research centers, the pharmaceutical industry, and law enforcement agencies. Here, a ... -
Revised cross-correlation and time-lag between cosmic ray intensity and solar activity using chatterjee’s correlation coefficient
(Cartagena de IndiasCiencias Básicas, 2024)This study revisits the cross-correlation between cosmic ray intensity (CRI) and solar activity (SA) by comparing traditional Pearson correlation with Chatterjee’s correlation coefficient. Traditional analyses using Pearson ... -
Data collection
(Cartagena de IndiasCiencias Básicas, 2024-09)Data gathering, the first step in generating knowledge, is a process that must proceed in line with communities’ needs and peoples’ practices. In this chapter, authors present case studies showing how technology can expedite ... -
El acceso a internet como derecho humano con alcance socio-colectivo
(Cartagena de IndiasDerechoCampus Tecnológico, 2024-03-17)[Purpose] The article intends to determine if Internet access can be considered as a Human Right according to the postulates of the constitutional generations currently provided for in the Colombian Political Constitution ... -
Biblioburros: Retos educativos desde la Colombia
(Cartagena de IndiasDerecho, 2024-06-04)Colombia profunda es una denominación otorgada a aquellos centros poblados ubicados en territorios apartados y donde la actuación del Estado difícilmente puede materializarse. En consecuencia, en estos contextos se tienen ... -
Engineering the mangrove soil microbiome for selection of polyethylene terephthalate-transforming bacterial consortia
(Cartagena de IndiasIngeniería, 2024-09-20)Mangroves are impacted by multiple environmental stressors, including sea level rise, erosion, and plastic pollution. Thus, mangrove soil may be an excellent source of as yet unknown plastic-transforming microorganisms. ... -
Modelamiento y simulación de reactores fotocatalíticos de película descendente: uso de la dinámica computacional de fluidos (CFD) para análisis del sistema multifásico
(Cartagena de IndiasIngenieríaCampus TecnológicoIngeniería Ambiental, 2024-04-10)La dinámica computacional de fluidos (CFD) se perfila como una herramienta apropiada para el modelamiento de procesos fotocatalíticos heterogéneos, pues permite considerar simultáneamente los diferentes fenómenos físicos ... -
A multi-road user evaluation of the acceptance of connected and automated vehicles through the lenses of safety and justice
(Cartagena de IndiasIngenieríaIngeniería Industrial, 2024-09-27)As technological development towards connected and automated vehicles (CAVs) continues to rise, addressing the challenges associated with their integration is crucial, especially regarding public acceptance. This study ... -
Evolving Organizational Models: Microfranchises and the BOP 4.0 Paradigm in Post-Conflict Colombia
(Cartagena de IndiasEscuela de NegociosCampus TecnológicoAdministración de Empresas, 2024-09-26)Microfranchises (MFs), as an innovative organizational model, aim to enhance the productive capacity of the base of the pyramid (BoP) population in diverse contexts. We provide original insights into the underexplored role ...
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.
