Listar Artículos de investigación por título
Mostrando ítems 227-246 de 248
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The role of heterogenous environmental conditions in shaping the spatiotemporal distribution of competing Aedes mosquitoes in Panama: implications for the landscape of arboviral disease transmission
(BarranquillaBiologíaSede Norte, 2021-03-01)Monitoring the invasion process of the Asian tiger mosquito Aedes albopictus and its interaction with the contender Aedes aegypti, is critical to prevent and control the arthropod-borne viruses (i.e., Arboviruses) they ...
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The unreasonableness of the imperative: Macario by Juan Rulfo
(BarranquillaSede Norte, 2022-07-29)El artículo explica el funcionamiento del discurso dominante y su sistema de referencias en Macario (El llano en llamas, 1953) de Juan Rulfo (1917-1986). Se propone una lectura del cuento en tanto alegoría de la dominación ...
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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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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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Thermoeconomic modelling and parametric study of a simple orc for the recovery ofwaste heat in a 2 MW gas engine under differentworking fluids
(BarranquillaIngeniería MecánicaSede Norte, 2019-10-25)This paper presents a thermo-economic analysis of a simple organic Rankine cycle (SORC) as a waste heat recovery (WHR) systems of a 2 MW stationary gas engine evaluating different working fluids. Initially, a systematic ...
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Three new species of the spider genus Nopsma (Araneae, Caponiidae, Nopinae) from Colombia
(BarranquillaBiologíaSede Norte, 2021-07-13)Three new Colombian species of the spider genus Nopsma Sánchez-Ruiz, Brescovit & Bonaldo, 2020 are described and illustrated: Nopsma leticia sp. nov. (male) from Amazonas department, Nopsma macagual sp. nov. (male) from ...
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El Tiempo, uso y abuso
(BarranquillaArquitecturaSede Norte, 2020-02-01)Este artículo analiza y discute acerca de la razón fundamental por la que los estudiantes universitarios de la facultad de arquitectura de una universidad privada de Colombia, no utilizan bien el tiempo, en todas sus ...
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Time-reversal symmetry breaking in a square lattice
(BarranquillaSede Norte, 2021-04-06)The bulk conductivity of a two-dimensional system is studied assuming that time-reversal symmetry is broken by internal mechanisms. The study is carried out by direct diagonalization in order to explore the nonlinear-response ...
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Time-reversal symmetry breaking in a square lattice
(BarranquillaFísicaSede Norte, 2021-04-06)The bulk conductivity of a two-dimensional system is studied assuming that time-reversal symmetry is broken by internal mechanisms. The study is carried out by direct diagonalization in order to explore the nonlinear-response ...
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TiO2 thin films sensitization with natural dyes extracted from Bactris guineensis for photocatalytic applications: Experimental and DFT study
(BarranquillaQuímicaSede Norte, 2020-03-11)TiO2 thin films, sensitized by an anthocyanins-rich extract of a common species found in the Colombian Caribbean region (Bactris guineensis fruits), were used for the photocatalytic degradation of methylene blue. The ...
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Transcritical Bifurcations and Algebraic Aspects of Quadratic Multiparametric Families
(BarranquillaMatemáticasSede Norte, 2021-01-05)This article reveals an analysis of the quadratic systems that hold multiparametric families therefore, in the first instance the quadratic systems are identified and classified in order to facilitate their study and ...
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Transperiferismo, necropolítica y sufrimiento social. Etnografía experimental sobre las condiciones de vida de inmigrantes venezolanos en el Caribe colombiano
(BarranquillaLicenciatura en Ciencias SocialesSede Norte, 2020-06-21)Objetivos En este trabajo exploramos la crueldad y el sufrimiento que experimentan inmigrantes venezolanos que habitan en un asentamiento irregular llamado Villa Caracas, en la periferia de Barranquilla. Nuestro objetivo ...
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Trends in Research Focused on Hydrogen Production Based on the Web of Science
(BarranquillaIngeniería QuímicaSede Norte, 2022-07-19)In the present research, a bibliometric analysis is performed on the trends of research focused on hydrogen production. The analysis was performed through an electronic search of the Web of Science database for publications ...
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Uncoupled Majorana fermions in open quantum systems: On the efficient simulation of non-equilibrium stationary states of quadratic Fermi models
(BarranquillaFísicaSede Norte, 2021-01-14)A decomposition of the non-equilibrium stationary state of a quadratic Fermi system influenced by linear baths is obtained and used to establish a simulation protocol in terms of tensor states. The scheme is then applied ...
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Unveiling the age and origin of biogenic aggregates produced by earthworm species with their NIRS fingerprint in a subalpine meadow of Central Pyrenees
(BarranquillaSede Norte, 2020-08-12)In this study the near-infrared reflectance (NIR) spectra signals (750–2,500 nm) of soil samples was compared with the NIR signals of the biogenic aggregates produced in the lab by three earthworm species, i.e., Aporrectodea ...
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Use of sludge ash from drinking water treatment plant in hydraulic mortars
(BarranquillaIngeniería QuímicaSede Norte, 2020-01-13)The present study investigated the use of sludge ash from water treatment plants as supplementary cementing material, elaborating hydraulic mortars with different levels of cement replacement by sludge ash (10 wt% and 30 ...
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Using a Separable Mathematical Entropy to Construct Entropy-Stable Schemes for a Reduced Blood Flow Model
(BarranquillaLicenciatura en MatemáticasSede Norte, 2022-09-13)The aim of this paper is to derive a separable entropy for a one-dimensional reduced blood flow model, which will be used to treat the symmetrizability of the model in full generality and for constructing entropy ...
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Uso de las TIC en Arquitectura: experiencia de un programa tecnólogo de la Universidad del Atlántico, Barranquilla, Colombia
(BarranquillaArquitecturaSede Norte, 2020-12-01)Analizar los procesos de enseñanza basados en el uso de las Tecnologías de la Información y Comunicaciones (TIC) de los docentes del programa Tecnología en Gestión de la Construcción de Proyectos Arquitectónicos y su ...
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Virtual Education for All: Systematic Review
(BarranquillaSede Norte, 2020-06-15)This article deals with the systematic review of the literature on virtual education for all. Accurately, this work responds to questions such as: What are the technological and pedagogical considerations to implement ...
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Vulnerability of Special Agreements Signed by NonState Armed Groups in Non-International Conflicts*
(BarranquillaSede Norte, 2019-10-03)International law has recognized the existence and legal force of special agreements signed by non-state armed groups —NSAG — in the context of non-international armed conflicts -NIAC-. Nevertheless, considering the poor ...