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Mostrando ítems 121-140 de 390
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Thermodynamic, exergo-economic and exergo-environmental analysis of hybrid geothermal-solar power plant based on ORC cycle using emergy concept
(BarranquillaIngeniería MecánicaSede Norte, 2020-04-06)Design and optimization of the energy system with the efficient method is one the major problem in recent years. The combined emergy-exergy-economic-environmental analysis is one of new methods selected for the optimization of ...
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Synthesis, Characterization, and Histological Evaluation of Chitosan-Ruta Graveolens Essential Oil Films
(BarranquillaSede Norte, 2020-04-07)The development of new biocompatible materials for application in the replacement of deteriorated tissues (due to accidents and diseases) has gained a lot of attention due to the high demand around the world. Tissue ...
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Genome Sequence of the Siphoviridae Staphylococcus aureus Phage vB_SauS_BaqSau1
(BarranquillaBiologíaSede Norte, 2020-04-09)Here, we report the genome sequence of a Siphoviridae phage named vB_SauS_BaqSau1 (BaqSau1), infecting Staphylococcus aureus. Phage BaqSau1 was isolated from a sewage water treatment plant in Sahagún, Córdoba, Colombia. ...
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Characterization of chlorogenic acids (CGA) and nine isomers in an F2 population derived from Coffea arabica L.
(BarranquillaSede Norte, 2020-04-13)ABSTRACT Chlorogenic acids (CGA) and their isomers have been associated with sensory attributes of the coffee beverage such as acidity, astringency, and bitterness. They have been linked to coffee rust resistance and ...
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Digital gap of the colombian tourism sector
(BarranquillaSede Norte, 2020-04-13)The purpose of this research is to know the current situation of digitization that exists in the Colombian tourism sector. For this, the data of the Annual Survey of Service-2018 were used, to which the multivariate analysis ...
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Assessment of Chitosan-Rue (Ruta graveolens L.) Essential Oil-Based Coatings on Refrigerated Cape Gooseberry (Physalis peruviana L.) Quality
(BarranquillaIngeniería MecánicaSede Norte, 2020-04-13)Cape gooseberry (Physalis peruviana L.) is one of the main exotic fruits in demand throughout the world market. However, this fruit has problems with physical and microbial decay causing losses up to thirty percent during ...
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In vitro anti-leishmanial effect of metallic meso-substituted porphyrin derivatives against Leishmania braziliensis and Leishmania panamensis promastigotes properties
(BarranquillaSede Norte, 2020-04-19)In this study, a family of porphyrins based on 5,10,15,20-Tetrakis(4-ethylphenyl)porphyrin (1, Ph) and six metallo-derivatives (Zn2+(2, Ph-Zn), Sn4+(3, Ph-Sn), Mn2+ (4, Ph-Mn), Ni2+ (5, Ph-Ni), Al3+ (6, Ph-Al), and V3+ ...
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Air Conditioning Research Evolution from 2008 to 2019: A Scientometric Analysis
(BarranquillaIngeniería MecánicaSede Norte, 2020-04-28)Air conditioning is an essential topic in heat transfer phenomena because it is widely applied in homes and industries. It has an incredible amount of applications ranging from health care to food shelf life. With the ...
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Comparative Performance of a Hybrid Renewable Energy Generation System with Dynamic Load Demand
(BarranquillaSede Norte, 2020-04-29)This article presents the modeling and simulation of a hybrid generation system, which uses solar energy generation, wind energy, and the regulation of a proton exchange membrane (PEM) cell to raise the demanded load, ...
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Thermodynamic, Exergy and Environmental Impact Assessment of S-CO2 Brayton Cycle Coupled with ORC as Bottoming Cycle
(BarranquillaIngeniería MecánicaSede Norte, 2020-05-04)In this article, a thermodynamic, exergy, and environmental impact assessment was carried out on a Brayton S-CO2 cycle coupled with an organic Rankine cycle (ORC) as a bottoming cycle to evaluate performance parameters ...
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Article Comparative Study of ZnO Thin Films Doped with Transition Metals (Cu and Co) for Methylene Blue Photodegradation under Visible Irradiation
(BarranquillaSede Norte, 2020-05-11)We synthesized and characterized both Co-doped ZnO (ZnO:Co) and Cu-doped ZnO (ZnO:Cu) thin films. The catalysts’ synthesis was carried out by the sol–gel method while the doctor blade technique was used for thin film ...
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Article Synthesis of Chitosan Beads Incorporating Graphene Oxide/Titanium Dioxide Nanoparticles for In Vivo Studies
(BarranquillaQuímicaSede Norte, 2020-05-14)Sca old development for cell regeneration has increased in recent years due to the high demand for more e cient and biocompatible materials. Nanomaterials have become a critical alternative for mechanical, thermal, and ...
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Emerging contaminants as global environmental hazards. A bibliometric analysis
(BarranquillaSede Norte, 2020-05-18)This paper presents a bibliometric analysis of peer-reviewed scientific literature on emerging contaminants published from 2000 through 2019. A total of 4968 documents (among research articles and review papers) collected ...
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Synthesis and Evaluation of the Fungal Activity of New Pyrazole-Carboxamides against Colletotrichum gloeosporioides
(BarranquillaQuímicaSede Norte, 2020-05-19)The pyrazole core has been recognized by their biological properties and included in the synthesis of modern agrochemicals. Part of these studies consists of making structural modifications to pesticides for commercial ...
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Responsabilidad Social: eje transversal en la formación gerencial de universidades venezolanas
(BarranquillaSede Norte, 2020-05-25)El objetivo de la investigación es analizar la responsabilidad social como eje transversal en la formación gerencial de universidades venezolanas. La investigación fue descriptiva, de diseño transversal, apoyada en la ...
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Statistical Wind Energy Analysis and Wind Persistence Assessment for Cordoba And Sucre Departments' Weather Stations in The Caribbean Region of Colombia
(BarranquillaSede Norte, 2020-06-01)A statistical analysis is carried out on the behavior of wind speed at meteorological stations located in the Caribbean Region of Colombia, in order to establish and identify the potential available in wind energy to be ...
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Dinamización de la música como eje integrador de una Barranquilla saludable
(BarranquillaSede Norte, 2020-06-01)Encontrar los factores, causas y consecuencias que influyen significativamente en el contexto indagado se constituyó en la base de este estudio de complejidad metacognitiva que busca la comprensión interpretativa de dinamizar ...
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Imaginarios sociales sobre las lesbianas en Barranquilla
(BarranquillaSede Norte, 2020-06-01)El discurso de los derechos humanos y ciudadanía se ha constituido en un componente importante en las democracias en vía de desarrollo, pues legitima los derechos sociales, económicos y políticos a partir de reformas ...
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A comparative energy and exergy optimization of a supercritical-CO2 Brayton cycle and Organic Rankine Cycle combined system using swarm intelligence algorithms
(BarranquillaIngeniería MecánicaSede Norte, 2020-06-01)This article presents a multivariable optimization of the energy and exergetic performance of a power generation system, which is integrated by a supercritical Brayton Cycle using carbon dioxide, and a Simple Organic ...
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Ambientalización del derecho internacional público: Vía Parque Isla de Salamanca como modelo de gestión
(BarranquillaSede Norte, 2020-06-01)La ambientalización, o greening, es la acción de permear el medio natural y los problemas ambientales a toda la legislación y todas las relaciones del derecho, integrando los valores de respeto, responsabilidad y solidaridad ...