Browsing B. Investigación by Title
Now showing items 1519-1538 of 1587
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Ultrasound irradiation effect on photosynthesis and transpiration of aquatic lirium plants
(International Journal of Radiation BiologyLondres, Reino Unido, 2021-08-23)To find possible causes of the photobaric response decrease in photoacoustic measurements on Aquatic Lirium plants after ultrasonic irradiations reported elsewhere contributing to understanding the effect of ultrasonic ... -
Una tendencia de la arquitectura moderna en América Latina, basada en la Geometría revolucionaria de la iglesia de San Francisco de Asís
(Eco MatematicoBogota , Colombia, 2021-07-01)Este artículo se deriva de la investigación en arquitectura sagrada, bajo la dirección de los programas de matemáticas y arquitectura de la Universidad Francisco de Paula Santander, cuyo objetivo, en este caso fue analizar ... -
Unburned bodies of mineral carbon coming from Colmena kilns placed in the metropolitan area of San José de Cúcuta, Colombia: Possibilities of reuse
(Journal of Physics: Conference SeriesReino Unido, 2019-11-19)In this work residues from the combustion process of the mineral coal used to generate energy in the kilns of the ceramic industry in the metropolitan area of San José de Cúcuta were collected and characterized. The material ... -
Underlying variables in the understanding of movement in engineering students
(Journal of Physics: Conference Series, 2021-08-26)This article describes the understanding of motion by active students taking Newtonian physics for engineering, supported by active learning, during the pandemic due to COVID-19; in addition, an unsupervised predictive ... -
Understanding of derivative as an essential part of the study of differential calculus
(Journal of Physics: Conference SeriesMadrid , España, 2019-09-30)The research aimed to design a teaching strategy and analyze benefits of its implementation in the use of technologies like GeoGebra and interactive materials that offers the web as enabling tools and teaching as mediation ... -
Universidad inteligente: Mapa estratégico desde la adopción de tecnología
(RISTI - Revista Ibérica de Sistemas e Tecnologías de InformaçãoPortugal, 2020-04)Se contextualiza desde el Internet de las Cosas y su vital importancia para el concepto emergente de universidad inteligente. El propósito de este documento es presentar una propuesta de mapa estratégico a partir del ... -
Universidad venezolana en tiempos de pandemia: ¿acción o reacción? Ante la nueva normalidad
(Utopia y Praxis LatinoamericanaVenezuela, 2020-11-26)La nueva normalidad impulsada por el COVID-19, conlleva a reflexionar sobre el estado actual de universidades públicas venezolanas ubicadas en ciudades fronterizas. Desde un enfoque cualitativo e interpretativo; se ... -
Unsaturated Hydraulic Conductivity in Composite Porous Media
(Applied SciencesSuiza, 2022-09-09)Determining the constitutive properties that describe the incipient hydraulic behavior of the materials, including the matrix domains and the distribution of macro and micropores, is crucial to analyzing the preferential ... -
Use of Bézier curves in the design of the displacement law of the cam-follower mechanism: Von Mises effective Stress
(Revista UIS IngenieríasColombia, 2020-07-01)Designing cams by Bézier Curves has become increasingly common, since the mathematical development of this method is less complex. Bezier curves are Bernstein-based polynomials under a unitary domain, and in that sense, ... -
Use of Lens culinaris Med test as environmental bioindicator to identify the cytogenotoxic effect of paraquat pesticide
(Environmental Science And Pollution ResearchBerlin , Alemania, 2021-05-12)Paraquat is the most widely used herbicide and the third most sold pesticide in the world, applied in more than 120 countries despite being banned in the European Union. It is a risk to ecosystems. The genotoxic effect of ... -
The use of mobile phones for the prevention and control of arboviral diseases: a scoping review
(BMC Public HealthReino Unido, 2021-01-09)Background: The rapid expansion of dengue, Zika and chikungunya with large scale outbreaks are an increasing public health concern in many countries. Additionally, the recent coronavirus pandemic urged the need to ... -
Use of Operational Training Simulation in the Study of Ethanol Operating Conditions: A Powerful Tool for Education and Research Performance Improvement
(Journal of PhysicsReino Unido, 2020-09)Currently, virtual education has reached a significant boom in higher education institutions. The latter, considering health emergency due to coronavirus pandemic, which makes it difficult to re-open physical infrastructures. ... -
Use of recycled diatomaceous earth from breweries as a means of transporting of macronutrients
(Revista UIS IngenieríasBogota , Colombia, 2019-09-16)Se reporta la caracterización físico-química de tierras diatomáceas recicladas de la industria cervecera, y su uso como medio de transporte de macronutrientes (Nitrógeno, Fósforo, Potasio (NPK)), con el fin de dar una ... -
Use of strontium aluminate powders in the photocatalytic removal of dyes present in water
(Reino Unido, 2021-06-04)The removal of Iris No. 17 fabric dye in water using strontium aluminate powders doped with europium and dysprosium, and the radiation from an ultraviolet C lamp during photocatalysis, is reported. The degradation of the ... -
Using concept maps to understand mechanical physics concepts in high school students
(Journal of Physics: Conference SeriesReino Unido, 2020-11-04)The work presents a didactic proposal on the use of concept maps, for the understanding of mechanical physics. A didactic intervention based on Ausubel's theory was applied with the following activities: design, ... -
Using multilayer fuzzy cognitive maps to diagnose autism spectrum disorder
(Applied Soft ComputingPaíses Bajos, 2019-02)Autism Spectrum Disorder (ASD) is comprised of a group of heterogeneous neurodevelopmental conditions, typically characterized by a triad of symptoms consisting of (1) impaired communication, (2) restricted interests, and ... -
Using the Response Surface Methodology to Treat Tannery Wastewater with the Bicarbonate-Peroxide System
(ChemEngineering, 2023-07-16)A bicarbonate-peroxide (BAP) system was evaluated to improve the quality of industrial tannery wastewater using an I-optimal experimental design with four variables (temperature, initial pH, bicarbonate, and H2O2 concentration). ... -
Uso de la cáscara de mamón (Melicoccus bijugatus) para el teñido de telas
(Avances en QuímicaVenezuela, 2016-12-30)Este trabajo tiene como objetivo mostrar que la cáscara de Melicoccus bijugatus puede ser utilizada para obtener un colorante para telas. Por el método de reflujo, con NaOH 0,25 N como solvente de extracción, se obtuvo un ... -
Uso de las Tecnología de Información y Comunicación como valor pedagógico en tiempos de crisis
(Revista Historia De La Educación LatinoamericanaColombia, 2021-07-10)Objetivo: El presente trabajo tiene como objetivo describir el uso de las Tecnologías de Información y Comunicación como valor pedagógico en tiempos de crisis. Originalidad: Consiste en abordar el uso de las TIC en tiempo ... -
Usos y efectos de la implementación de una plataforma digital en el proceso de enseñanza de futuros docentes en matemáticas
(Revista Virtual Universidad Católica Del NorteColombia, 2019-07-16)Esta investigación se propuso describir el uso que los docentes y estudiantes, adscritos a un programa académico para la formación de maestros en matemáticas, matriculados en una universidad pública, hacen de la plataforma ...