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Mostrando ítems 1291-1300 de 1423
In-situ imaging and electrochemical monitoring of damaged thermal spray aluminium coating in synthetic seawater
(2023-07-14)
This paper presents the results of a study that combined electrochemical monitoring with in-situ imaging of Thermal Spray Aluminium (TSA) coating in synthetic seawater at room temperature in quiescent condition. The coatings ...
Analyzing traffic conflicts and the behavior of motorcyclists at unsignalized three-legged and four-legged intersections in Cartagena, Colombia
(2023-07-14)
Introduction: The global motorcycle market has grown significantly, with over 770 million vehicles estimated to be in use worldwide. Motorcycle-related road traffic deaths in low and middle-income countries (LMICs) like ...
Comparing Journalistic Role Performance Across Thematic Beats: A 37-Country Study
(2023-06-29)
Studies suggest that, at the routine level, news beats function as unique “micro-cultures.” Exploring this “particularist” approach in news content, we compare how the interventionist, watchdog, loyal, service, infotainment, ...
Statistical Approach for Computing Base Flow Rates in Gaged Rivers and Hydropower Effect Analysis
(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 ...
Different Experimental and Numerical Models to Analyse Emptying Processes in Pressurised Pipes with Trapped Air
(2023-06-29)
In hydraulic engineering, some researchers have developed different mathematical and numerical tools for a better understanding of the physical interaction between water flow in pipes with trapped air during emptying ...
Subordinación de la mujer en los libros educativos de Cartagena
(2023-05-22)
Introducción. El sexismo es un patrón cognitivo y comportamental en el cual la figura masculina atribuye a la femenina caracteres que reflejan vulnerabilidad e indefensión alrededor de todas las dimensiones del desarrollo. ...
Effect of pyrolysis, impregnation, and calcination conditions on the physicochemical properties of TiO2/Biochar composites intended for photocatalytic applications
(2023-06-02)
Biochars are outstanding materials obtained from the pyrolysis of biomass, possessing unique physicochemical properties that are attractive for many environmental applications, including photocatalysis. In this work, we ...
Applying a Green Solvent with Microwave, Ultrasound, and Soxhlet Extraction Techniques to Quantify the Slip Additive Cis-1,3-docosenamide and Nine Oxidative Degradation Byproducts in Polypropylene Samples
(2023-08-18)
Erucamide is used as an important slip agent for polymers. However, erucamide can
degrade during processing and long-term storage, forming various oxidation products. These degra dation products can affect the recovery ...
Rethinking environmental news coverage through Agenda-Setting and the normative function of attributes
(2023-05-07)
Examinamos los atributos sustantivos y afectivos dominantes en 358 noticias relacionadas con la gestión del agua y los residuos en Colombia durante cinco años. Los resultados revelaron que los textos estudiados se centraron ...
Parts per Million of Propanol and Arsine as Responsible for the Poisoning of the Propylene Polymerization Reactio
(2023-09-01)
Polypropylene synthesis is a critical process in the plastics industry, where control of
catalytic activity is essential to ensure the quality and performance of the final product. In this study,
the effect of two ...
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.