Investigaciones: Envíos recientes
Mostrando ítems 361-380 de 1465
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Recursive convex approximations for optimal power flow solution in direct current networks
(Cartagena de Indias, 2022-08-12)The optimal power flow problem in direct current (DC) networks considering dispersal generation is addressed in this paper from the recursive programming point of view. The nonlinear programming model is transformed into ... -
Identification and Quantification of Bioaerosols in a Tropical Coastal Region: Cartagena de Indias, Colombia
(Cartagena de Indias, 2018) -
II Workshop on Modeling and Simulation for Science and Engineering
(Cartagena de Indias, 2020)II Workshop on Modeling and Simulation for Science and Engineering (II WMSSE) was a conference conducted at Universidad Tecnológica de Bolívar, in the city of Cartagena de Indias, Colombia, on September 24, 25 and 26, ... -
Recovery of (Z)-13-Docosenamide from Industrial Wastewater and Its Application in the Production of Virgin Polypropylene to Improve the Coefficient of Friction in Film Type Applications
(Cartagena de Indias, 2023-01-09)Additives play an important role in the production of plastic materials through their application, in which the mechanical, thermal, and physical properties of polymers are improved, making them last longer and be more ... -
Impact of emotional states on the effective range of electric vehicles
(Cartagena de Indias, 2023)Over the last decade, a large interest in reducing transportation dependence on fossil fuels as well as the cost reduction in battery technologies, have driven the electric cars market uptake. However, information is scarce ... -
Implementation model of Digital Transformation projects in Boutique Hotels
(Cartagena de Indias, 2020)Digital transformation has become an imperative of competitiveness for companies. However, there is a knowledge gap on the subject mainly in countries like Colombia and more in industry sectors where the use of information ... -
Implementation of an Annual Goal´s Plan for the improvement of scientific production in a Colombian university. Positives and negatives aspects
(Cartagena de Indias, 2020)We present in the following investigation, a detailed descriptive analysis of the high-impact scientific production (defined this as all research indexed in the Scopus) database of a Colombian private university, the ... -
Rapid Filling Analysis with an Entrapped Air Pocket in Water Pipelines Using a 3D CFD Model
(Cartagena de Indias, 2023-02-21)A filling operation generates continuous changes over the shape of an air–water interface, which can be captured using a 3D CFD model. This research analyses the influence of different hydro-pneumatic tank pressures and ... -
Indexing of Colombian psychology journals in Spanish scientific databases: an exploratory study
(Cartagena de Indias, 2021)An exploratory work that analyzes the relevance of the principal Colombian psychology journals [those that are indexed in the most important national (Publindex) and international (Web of Science and Scopus) indicators], ... -
Influence of Family Communication on Perceived Stress during the COVID-19 Pandemic
(Cartagena de Indias, 2021)Objective: This descriptive-correlational study analyzed the relationship between family communication and perceived stress during the Covid-19 pandemic in Colombia. Methods: The participants were 800 Colombians, between ... -
Influence of survey engagement and multiple-choice heuristics in the estimation of the value of a statistical life
(Cartagena de Indias, 2023)Estimating the value of non-market goods, such as reductions in mortality risks due to traffic accidents or air pollution, is typically done using stated choice (SC) data. However, issues with potential estimation biases ... -
Information and Communication Technologies (ICT) in the processes of distribution and use of knowledge in Higher Education Institutions (HEIs)
(Cartagena de Indias, 2021)This research aims to relate Information and Communication Technologies (ICT) in the processes of distribution and use of knowledge in Higher Education Institutions (HEI). The methodology used was based on the quantitative ... -
Public policy for early childhood and social determinants of Acute Respiratory Diseases in under-five children in Colombia. A multi-level analysis
(Cartagena de Indias, 2021-12-30)Introduction: Despite having public policies, Acute Respiratory Diseases (ARD) continues to cause a high level of childhood morbidity in the least developed territories of Colombia. These inequities and others due to ... -
Integration of PV Distributed Generators into Electrical Networks for Investment and Energy Purchase Costs Reduction by Using a Discrete–Continuous Parallel PSO
(Cartagena de Indias, 2022)The problem of optimally integrating PV DGs into electrical networks to reduce annual costs (which include energy purchase and investment costs) was addressed in this research by presenting a new solution methodology. For ... -
Interaction of Ciprofloxacin with Arabinose, Glucosamine, Glucuronic Acid and Rhamnose: Insights from Genetic Algorithm and Quantum Chemistry
(Cartagena de Indias, 2022)A theoretical study of the ciprofloxacin interactions with glucuronic acid, arabinose, glucosamine, and rhamnose is presented. The most stable complexes were obtained through genetic algorithms starting from the neutral ... -
Pseudomonas strains from the Livingston Island, Antarctica: a source of cold-active hydrolytic enzymes
(Cartagena de Indias, 2022-07)Pseudomonas spp. is considered one of the most successful bacterial genera due to its plasticity and metabolic versatility, which has allowed it to colonize different ecosystems, including Antarctica. The ability of ... -
Inventory Models in a Sustainable Supply Chain: A Bibliometric Analysis
(Cartagena de Indias, 2022)This paper presents a bibliometric analysis of inventory models in a sustainable supply chain. The methodology contains reviewing previous research with a performance evaluation, network analysis, and science mapping to ... -
Iron Oxide Powder as Responsible for the Generation of Industrial Polypropylene Waste and as a Co-Catalyst for the Pyrolysis of Non-Additive Resins
(Cartagena de Indias, 2022)For the synthesis of polymeric resins, it is of great importance to review the raw materials and the equipment to be used to avoid the presence of compounds that may affect the effectiveness of the polymerization and the ... -
ISeeU2: Visually interpretable mortality prediction inside the ICU using deep learning and free-text medical notes
(Cartagena de Indias, 2022)Accurate mortality prediction allows Intensive Care Units (ICUs) to adequately benchmark clinical practice and identify patients with unexpected outcomes. Traditionally, simple statistical models have been used to assess ... -
Pseudo asymptotic solutions of fractional order semilinear equations
(Cartagena de Indias, 2013)Using a generalization of the semigroup theory of linear operators, we prove existence and uniqueness of mild solutions for the semilinear fractional order differential equation [mathematical equation] with the property ...
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.
