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Experimental Study of the Impact of Trace Amounts of Acetylene and Methylacetylene on the Synthesis, Mechanical and Thermal Properties of Polypropylene
(2022)
During the production of polymer-grade propylene, different processes are used to purify this compound and ensure that it is of the highest quality. However, some impurities such as acetylene and methyl acetylene are ...
Effect of Speckle Filtering in the Performance of Segmentation of Ultrasound Images Using CNNs
(2022)
The convolutional neural networks (CNNs) as tools for ultrasound image segmentation often have their performance affected by the low signal-to-noise ratio of the images. This prevents a correct classification and extraction ...
Sensitivity of Empirical Equation Parameters for the Calculation of Time of Concentration in Urbanized Watersheds
(2022-09-13)
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Sensitivity of Empirical Equation Parameters for the Calculation of Time of Concentration in Urbanized Watersheds
by Jamilton Echeverri-Díaz 1,Óscar E. Coronado-Hernández ...
ISeeU2: Visually interpretable mortality prediction inside the ICU using deep learning and free-text medical notes
(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 ...
Design of an Instrument to Evaluate Organizational Design Characteristics Based on the Organizational Configuration Model
(2022)
The purpose of this article was to design and validate an instrument to determine relevant variables of the business environment, demeanor, and organizational behaviors linked to the Organizational Configuration Model and ...
Climate anxiety, wellbeing and pro-environmental action: correlates of negative emotional responses to climate change in 32 countries
(2022)
This study explored the correlates of climate anxiety in a diverse range of national contexts. We analysed cross-sectional data gathered in 32 countries (N = 12,246). Our results show that climate anxiety is positively ...
Application of the Multiverse Optimization Method to Solve the Optimal Power Flow Problem in Alternating Current Networks
(2022)
In this paper, we solve the optimal power flow problem in alternating current networks to reduce power losses. For that purpose, we propose a master–slave methodology that combines the multiverse optimization algorithm ...
New Scenarios, Actors, and Educational Practices Where Coexistence, Diversity, and Culture Are Built
(2022)
Introduction. Colombia has a variety of territories, people, cultures, political, and religious affiliations; however, it has been affected by a history of violence, inequality, corruption, among other evils, associated ...
Informalidad laboral en 13 ciudades áreas metropolitanas de Colombia (2019-2020)
(2022)
Labour informality has major relevance on the world economy and Colombia is no exception; historically the country has been characterised by elevated rates of informality related to poverty indicator variables. The purpose ...
Design of a governance model for a specific phase of projects in the refining and petrochemical sector in Cartagena-Colombia
(2022)
This document proposes a governance model for one of the most critical phases of the life cycle of the refining and petrochemical sector projects, taking as a reference the best practices from the technical point of view ...
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.