Results 1 to 10 of about 47,104 (257)

Mapa del Proceso de Internacionalización de las Instituciones de Educación Superior Colombianas , [PDF]

open access: yesSAPIENTIAE, 2020
El objetivo de la presente investigación estuvo orientado a estructurar el mapa del proceso de internacionalización de las Instituciones de Educación Superior Colombianas (IESC), de tal forma, se identificaron las actividades estratégicas, clave y de ...
Moises Briñez   +4 more
doaj   +1 more source

Detection of Vineyard Diseases Using the Internet of Things Technology and Machine Learning Algorithms. [PDF]

open access: yesAerul şi Apa: Componente ale Mediului, 2022
In recent years, the Internet of Things concept has rapidly spread in most fields because of the benefits it offers, motivating viticulturists to implement new technologies that increase crop production and quality, as well as streamline production ...
Roxana ROȘCĂNEANU   +6 more
doaj   +1 more source

Electropneumatic system for the simulation of the pulmonary viscoelastic effect in a mechanical ventilation scenario

open access: yesScientific Reports, 2023
The viscoelastic properties of the lung have important implications during respiratory mechanics in terms of lung movement or work of breathing, for example.
Jacobo Castaño   +5 more
doaj   +1 more source

Comunidades de energía para una transición energética: una revisión documental de los elementos, retos y tendencias del autoconsumo comunitario

open access: yesIngenierías USBMed, 2022
A medida que avanza la transición energética, los usuarios tradicionales de energía se empoderan produciendo, almacenando y gestionando energía proveniente, generalmente, de fuentes no convencionales de energías renovables. En el contexto latinoamericano,
Diana Estefanía Lawrence Pedroza   +2 more
doaj   +1 more source

Immobilization of DNA probes on a high frequency piezoelectric biosensor

open access: yesDyna, 2020
In recent years, researchers have taken to biosensors as effective tools for detection due to their portability, low-cost, fast response, and practicality. Piezoelectricity gave way to quartz crystal microbalances (QCM), of which high-frequency QCMs (HFF-
Camilo Ortiz Monsalve   +2 more
doaj   +1 more source

Fibras vegetales colombianas como refuerzo en compuestos de matriz polimérica

open access: yesTecnura, 2017
Contexto: Se realizó una búsqueda local de tejidos de fibras vegetales para determinar la composición de los grupos funcionales y morfología de su superficie antes y después de un tratamiento alcalino con miras a su empleo como refuerzo en compuestos de ...
José Luis Suárez Castañeda   +3 more
doaj   +1 more source

In-and-out-of plane mechanical properties of hand lay-up vegetal fiber reinforced polyester resin composites

open access: yesRevista Facultad de Ingeniería Universidad de Antioquia, 2019
The results presented in this paper belong to the mechanical characterization of vegetal woven fabric reinforced composites with polyester resin as the matrix and fabrics made of cotton, jute and flax fibers.
José William Restrepo-Montoya   +2 more
doaj   +1 more source

Performance evaluation of a novel force measuring device for Friction Stir Welding (FSW) of aluminum alloys

open access: yesDyna, 2019
Friction Stir Welding (FSW) has the advantage of generating sound welds on materials that generally present low weldability by traditional fusion welding processes, such as 2xxx and 7xxx aluminum alloys.
Elizabeth Hoyos Pulgarín   +2 more
doaj   +1 more source

El aporte de los Corresponsales No Bancarios CNB a la inclusión financiera

open access: yesDesarrollo Gerencial, 2020
Objetivo: Analizar el aporte que realizan los Corresponsales No bancarios (CNB) a la inclusión financiera (InF), considerando las diferentes dimensiones.
Carlos Sánchez-González   +2 more
doaj   +1 more source

Formulation and Characterization of a New Injectable Bone Substitute Composed PVA/Borax/CaCO3 and Demineralized Bone Matrix

open access: yesJournal of Functional Biomaterials, 2021
The occurrence of bone-related disorders and diseases has dramatically increased in recent years around the world. Demineralized bone matrix (DBM) has been widely used as a bone implant due to its osteoinduction and bioactivity.
Daniela Medrano-David   +3 more
doaj   +1 more source

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