Browsing Artículos, Comunicaciones, Libros by Title
Now showing items 4407-4426 of 11843
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f (R) Gravity Modifications: From The Action To The Data
(Springer, 2018-03-13)It is a very well established matter nowadays that many modified gravity models can offer a sound alternative to General Relativity for the description of the accelerated expansion of the universe. But it is also equally ... -
Fabiani, J.-L. Pierre Bourdieu. Un structuralisme héroïque
(Universidad Nacional de Colombia, 2017-08)... -
Fabrication and characterization of active polymer optical fibers with a ring-doped structure
(Elsevier, 2023-01)This paper employs the solution-doping technique for the fabrication of polymer optical fibers (POFs) doped with two perylene derivatives, Lumogen Yellow 083 and Lumogen Red 305, in different combinations. With the ... -
Fabrication and Characterization of Polymer Optical Fibers Doped with Perylene-Derivatives for Fluorescent Lighting Applications
(MDPI, 2017-08)Four different dye-doped polymer optical fibers (POFs) have been fabricated following a two-step fabrication process of preform extrusion and fiber drawing, using poly-(methyl methacrylate) (PMMA) as host material and dye ... -
Fabrication and Magneto-Structural Properties of Co2-Based Heusler Alloy Glass-Coated Microwires with High Curie Temperature
(MDPI, 2022)[EN] In this work, we were able to produce Co2FeSi Heusler alloy glass-covered microwires with a metallic nucleus diameter of about 4.4 µm and total sample diameter of about 17.6 μm by the Taylor–Ulitovsky Technique. This ... -
Fabrication and optimization of perovskite-based photoanodes for solar-driven CO2 photoelectroreduction to formate
(Elsevier, 2024)The photoelectrochemical reduction of CO2 to value-added products represents a promising strategy for mitigating CO2 emissions. However, further research efforts need to be undertaken to enable the technology for scale-up, ... -
Fabrication of a Novel Magnetic Topological Heterostructure and Temperature Evolution of its Massive Dirac Cone
(Nature, 2020-09-24)Materials that possess nontrivial topology and magnetism is known to exhibit exotic quantum phenomena such as the quantum anomalous Hall effect. Here, we fabricate a novel magnetic topological heterostructure Mn4Bi2Te7/Bi2Te3 ... -
Fabrication of Active Polymer Optical Fibers by Solution Doping and Their Characterization
(MDPI, 2018-12-31)This paper employs the solution-doping technique for the fabrication of active polymer optical fibers (POFs), in which the dopant molecules are directly incorporated into the core of non-doped uncladded fibers. Firstly, ... -
Fabrication of high-performance dual carbon Li-ion hybrid capacitor: mass balancing approach to improve the energy-power density and cycle life
(Nature, 2020-07-02)Most lithium-ion capacitor (LIC) devices include graphite or non-porous hard carbon as negative electrode often failing when demanding high energy at high power densities. Herein, we introduce a new LIC formed by the ... -
Fabrication of multifunctional composite nanofibers by green electrospinning
(Wiley, 2023-08)The present work takes advantage of green electrospinning to create novel composite multifunctional nanofibers (NFs) bearing inorganic nanoparticles (NPs), more specifically quantum dots (QDs), cerium oxide nanoparticles ... -
Fabrication Quality Assessment Based on the Coupling of a Dual-Core Microstructured Polymer Optical Fiber
(MDPI, 2021-11-09)In this paper we report on the theoretical analysis and fabrication of a dual-core microstructured polymer optical fiber (mPOF) and demonstrate how the coupling characteristics of a dual-core mPOF may be a key factor to ... -
Face Presentation Attack Detection Using Deep Background Subtraction
(MDPI, 2022-05-15)Currently, face recognition technology is the most widely used method for verifying an individual’s identity. Nevertheless, it has increased in popularity, raising concerns about face presentation attacks, in which a photo ... -
Face to face vs interface digital (2018). Una experiencia de desarrollo de competencias comunicativas en el entorno universitario a través de Moodle
(Servicio Editorial de la Universidad del País Vasco/Euskal Herriko Unibertsitatearen Argitalpen Zerbitzua, 2020)[ES] Podría parecer que las competencias del espacio físico son muy diferentes de las del espacio virtual. Sin em- bargo, la hipótesis de este ejercicio con el alumnado es que las competencias imaginadas para ambos espacios ... -
Fachadas ventiladas activas para reducir la demanda de calefacción en los edificios de oficinas. El caso de España
(CSIC, 2012-12-20)En este artículo se analiza la eficiencia energética de una Fachada Ventilada Activa –FVA– aplicada a edificios de oficinas en España para reducir la demanda de calefacción. El sistema de fachada consiste en una hoja ... -
Facilitating and automating usability testing of educational technologies
(Wiley, 2024-05)Usability evaluation is a key element to ensure a positive user experience with any software and it is especially important in educational software tools where there are many different actors involved (lecturers, students, ... -
Facilitating complex assessment using Moodle
(Taylor & Francis, 2022-06-26)Assessment is a key element in any course, and providing students with a balance between formative and summative assessments is crucial. Defining such a process is a complex task for teachers and often entails a great ... -
Facilitators and barriers to participation in population-based colorectal cancer screening programme from the perspective of healthcare professionals: Qualitative research study
(Wiley, 2021-11)Objective High participation determines the success of colorectal cancer screening programmes in reducing incidence and mortality. The factors that determine participation must be studied from the perspective of professionals ... -
Factibilidad de la utilización de la inteligencia artificial para el cribado de pacientes con COVID-19 en Paraguay
(Pan American Health Organization, 2022)Objective. Study the feasibility of using artificial intelligence as a sensitive and specific method for COVID-19 screening in patients with respiratory conditions, using chest CT scan images and a telemedicine platform. ... -
Factores asociados a la prevalencia de hipovitaminosis D en mujeres embarazadas y sus recién nacidos
(Elsevier, 2018)Introducción El hallazgo de hipovitaminosis D en el embarazo ha impulsado el debate acerca de su suplementación. El objetivo del estudio fue medir la prevalencia de hipovitaminosis D en gestantes y recién nacidos. Mé ... -
Factores asociados a la respuesta a la violencia del compañero íntimo en atención primaria de salud en España
(Elsevier, 2018-10)Objetivo Analizar la capacidad de respuesta a la violencia del compañero íntimo (VCI) de profesionales sanitarios/as españoles/as en atención primaria e identificar posibles determinantes que puedan favorecer una mejor ...