Listar Investigaciones por título
Mostrando ítems 11-30 de 390
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A new Colombian species of Liodessus diving beetles from the Páramo de Sumapaz (Coleoptera, Dytiscidae, Bidessini)
(BarranquillaBiologíaSede Norte, 2021-09-08)Liodessus picinus sp. nov. is described from the Páramo de Sumapaz near Bogota D.C. at 3,500 m above sea level. The species can be distinguished from the other Colombian Liodessus species by its dark coloration, discontinuous ...
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A New Educational Thermodynamic Software to Promote Critical Thinking in Youth Engineering Students
(BarranquillaSede Norte, 2019-12-22)This article presents the application of a new educational thermodynamic software called MOLECULARDISORDER, based on graphical user interfaces created in Matlab® to promote critical thinking in youth engineering students, ...
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A NOTE ON PRESERVATION OF SPECTRA FOR TWO GIVEN OPERATORS
(BarranquillaSede Norte, 2019-03-06)We study the relationships between the spectra derived from Fredholm the- ory corresponding to two given bounded linear operators acting on the same space. The main goal of this paper is to obtain sufficient conditions ...
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A NOTE ON SEMI-OPEN SETS IN TRICLOSURE SPACES
(BarranquillaSede Norte, 2020-12-29)In this paper, we used the notion of triclosure spaces to introduce and study the concept of semi-open set in triclosure spaces. Besides, we show some of their properties. Moreover, the notions of semi-continuous ...
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El acorde que muere cuando nace. Alteridad y ética del cuerpo sin órganos en la improvisación de jazz
(BarranquillaSede Norte, 2019-09-06)Nos adentramos en esos procesos de subjetivación en los que el músico de jazz experimenta en sí otras formas de corporalidad, que se dirimen entre sujeción a esquemas (Bourdieu) y ruptura de los corsés por una teatralidad ...
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Acrylic Bone Cement Incorporated with Low Chitosan Loadings
(BarranquillaSede Norte, 2020-07-21)Despite the potential of acrylic bone cement (ABC) loaded with chitosan (CS) for orthopedic applications, there are only a few in vitro studies of this composite with CS loading ≤ 15 wt.% evaluated in bioactivity tests ...
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Acrylic Bone Cements Modified with Graphene Oxide: Mechanical, Physical, and Antibacterial Properties
(BarranquillaSede Norte, 2020-08-07)Bacterial infections are a common complication after total joint replacements (TJRs), the treatment of which is usually based on the application of antibiotic-loaded cements; however, owing to the increase in ...
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Activated carbon from cassava peel: a promising electrode material for supercapacitors
(BarranquillaIngeniería QuímicaSede Norte, 2019-08-10)Supercapacitors are conventional devices in electrical circuits that produce electrical pulses at high power levels in short periods. Electrodes for supercapacitors were prepared with activated carbon. Activated carbon was ...
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Actividad anticoagulante in vitro del extracto etanólico de las hojas de dos especies de la familia Euphorbiaceae
(BarranquillaQuímicaSede Norte, 2021-12-06)Las enfermedades cardiovasculares (ECV) son un conjunto de trastornos del corazón y de los vasos sanguíneos, que constituyen la principal causa de mortalidad en el mundo. En la búsqueda de alternativas para esta problemática, ...
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Los acuerdos y la idealización del palenque en la provincia de Cartagena: el caso del Totumo (1714-1767)
(BarranquillaSede Norte, 2019-03-07)Si bien la vía militar ha sido el mecanismo más publicitado con el cual se intentó resolver los conflictos que se presentaron entre los cimarrones y las autoridades coloniales, no fue el único. Prueba de esto, el presente ...
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ADHD Endophenotypes in Caribbean Families
(BarranquillaSede Norte, 2018-03-28)Objective: The aim of this study is to contrast the genetics of neuropsychological tasks in individuals from nuclear families clustering ADHD in a Caribbean community. Method: We recruited and clinically characterized 408 ...
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Adjusting Neutrino Interaction Models and Evaluating Uncertainties using NOvA Near Detector Data
(BarranquillaSede Norte, 2020-12-14)The two-detector design of the NOvA neutrino oscillation experiment, in which two functionally identical detectors are exposed to an intense neutrino beam, aids in canceling leading order effects of cross-section ...
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Advance Exergo-Economic Analysis of aWaste Heat Recovery System Using ORC for a Bottoming Natural Gas Engine
(BarranquillaIngeniería MecánicaSede Norte, 2020-01-05)This manuscript presents an advanced exergo-economic analysis of a waste heat recovery system based on the organic Rankine cycle from the exhaust gases of an internal combustion engine. Di erent operating conditions were ...
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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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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 ...
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An Analysis of Mobility Influence in Optoelectronics Parameters in an InGaN/GaN Blue LED
(BarranquillaFísicaSede Norte, 2022-08-08)Simulations on mobility influence in optoelectronics parameters from an InGaN/GaN blue LED using the Nextnano++ software arepresented in this paper. These simulations were performed by changing the hole and electron mobility ...
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An update on the spider genus Caponina Simon (Araneae: Caponiidae) with descriptions of three new six-eyed species from Colombia
(BarranquillaBiologíaSede Norte, 2022-04-14)Three new six-eyed species of the spider genus Caponina Simon, 1891 are described, photographed, diagnosed and illustrated: C. alejandroi sp. nov. (male and female) from the Boyacá Department, C. bochalema sp. nov. (male) ...
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Analysis of Energy Consumption in Colombia Using the Holt Method
(BarranquillaSede Norte, 2020-06-08)Energy production is constantly facing major challenges today, because despite initiatives to promote the insertion of renewable energy, electricity consumption has shown considerable growth in recent years. In order to ...
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Análisis de los factores asociados a las tasas de retorno de los egresados universitarios en el mercado laboral colombiano
(BarranquillaEconomíaSede Norte, 2021-06-16)El presente trabajo tiene como objetivo analizar los factores asociados a las tasas de retorno de los egresados universitarios en el mercado laboral colombiano. La metodología aplicada es descriptiva y econométrica, ...
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Análisis del éxito en las secuencias de finalización de los playoffs del fútbol profesional colombiano
(BarranquillaSede Norte, 2022-06-21)El objetivo del presente estudio fue examinar la influencia de las variables categóricas y el componente de éxito en las secuencias de finalización durante los playoffs del fútbol profesional colombiano (FPC) clausura 2017. ...