Artículos Científicos: Envíos recientes
Mostrando publicaciones 1561-1580 de 3873
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Molecular dynamics simulation of surface phenomena due to high electronic excitation ion irradiation in amorphous silica
(2023)We studied by means of an atomistic model based on molecular dynamics the thermal evolution of surface atoms in amorphous silica under high electronic excitation produced by irradiation with swift heavy ions. The model was ...
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A pilot 1-year follow-up randomised controlled trial comparing metacognitive training to psychoeducation in schizophrenia: effects on insight
(2023)Poor insight in schizophrenia spectrum disorders (SSD) is linked with negative outcomes. This single-centre, assessor-blind, parallel-group 1-year follow-up randomised controlled trial (RCT) tested whether metacognitive ...
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¿Qué es el síndrome post-COVID-19? definición y actualización
(2022)Este trabajo aborda el origen y el desarrollo del síndrome pos-COVID-19, el cual consiste en la persistencia a través del tiempo de diferentes síntomas como consecuencia de la infección por SARS-CoV-2. A partir de una ...
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A general MIMO VLC channel model for underground mining environments
(2022)Underground Mining (UM) is a harsh environment that involves multiple threats to worker safety and needs adequate wireless communications to ensure worker well-being and optimize miner efficiency. While radio frequency ...
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Responsabilidad social universitaria y satisfacción laboral: percepción de profesores de cátedra en una universidad estatal y pública de Chile
(2022)Los estudios sobre la gestión universitaria consideran diversos desafíos que emanan de los retos propios de escenarios complejos y dinámicos. El objetivo de esta investigación es analizar la percepción de profesores de ...
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Hiperespecialización e imagenología: percepciones y reflexiones de un mundo laboral y académico
(2023)Objetivo. El propósito de la investigación fue analizar la percepción estudiantil, académica y profesional acerca de la hiperespecialización de la imagenología en Chile y la posible amenaza/oportunidad ...
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Aulas comunitarias dialógicas promotoras de motivaciones colectivas, desde la diversidad de contextos sociales
(2023)Introducción. Esta investigación aborda tres experiencias de aulas comunitarias dialógicas que trabajan desde la perspectiva de la pedagogía dialógica enlazando mundos, en Chile, en contextos culturales diferentes: ...
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Trastorno específico del lenguaje y retraso de lenguaje: un estudio sobre matrículas en escuelas de lenguaje en Chile
(2023)Introducción. El trastorno específico de lenguaje (TEL) y el retraso de lenguaje (RL) son dos categorías diagnósticas diferentes que presentan similitud en edades tempranas. Objetivo. ...
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Heart rate variability in individuals with down syndrome: a scoping review with methodological considerations
(2023)Individuals with Down syndrome (DS) present similar heart rate variability (HRV) parameters at rest but different responses to selected movement maneuvers in comparison to individuals without DS, which indicates reduced ...
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Relationship between cognition and suicidal behavior in recent-onset psychosis
(2023)Suicidal behavior (SB) is common in first-episode psychosis (FEP), and cognitive impairment has also been described in psychosis. Despite well-established risk factors for SB in psychosis, the role of cognition and insight ...
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Parallel training of a set of online sequential extreme learning machines
; Barrientos, Ricardo
; ; Mora, Marco (2022)
Size databases have constantly increased from advances in technology and the Internet, so processing this vast amount of information has been a great challenge. The neural network Extreme Learning Machine (ELM) have been ...
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Academic performance predicting model based on machine learning and keller's motivation measure
(2022)This article investigates a model for predicting the academic performance of university students using Machine Learning techniques based on the level of motivation achieved with the implementation of the ARCS instructional ...
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Deep learning models as an approach to nuclear fuel irradiation processes in pressurized water reactors
(2022)ANICCA is the nuclear fuel cycle code developed by the Belgian Nuclear Research Centre (SCK CEN). Nuclear Fuel Cycle codes are of special importance for the assessment of the scenarios and the study of nuclear reactor fleet ...
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Using heaps on GPU
Barrientos, Ricardo; ; ; Mora, Marco (2022)
Nowadays, searching algorithms are a key component in modern computer science applications. However, traditional approaches of exact search techniques are practicallyan unfeasible solution with the rise of data in ...
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A comparative analysis of massive finger-vein recognition algorithms: from energy consumption perspective
; ; ; ; Barrientos, Ricardo (2022)
The volume of data generated has grown exponentially in recent years worldwide. In general, parallel architectures such as clusters, multicores, and GPUs have reduced processing times compared to their sequential version. ...
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Engineering students' perception of the use of machine learning in accounting learning
(2022)This article investigates the effects on motivation and learning of topics related to the accounting subject, with theimplementation of Machine Learning as a pedagogical tool in the context of university education. A ...
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Síndrome Post COVID-19 en América Latina y el Caribe: un llamado de atención
(2022)El síndrome post COVID-19 ha sido reconocido como una afectación que puede tener un gran impacto en la salud de las personas, sus familias y la sociedad en general. Si bien se tiene conocimiento de numerosos ...
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Efecto de la incertidumbre de la política económica internacional sobre los mercados financieros latinoamericanos
(2022)El objetivo de este estudio fue analizar la relación entre los mercados financieros latinoamericanos y el índice de incertidumbre de política económica de Estados Unidos y China, a través de la coherencia de Wavelet. Los ...
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Therapeutic approach of complicated hydatid disease: role of endoscopic retrograde cholangiopancreatography in cholangiohydatidosis
(2023)BACKGROUND: Hydatid disease, a parasitic infestation caused by Echinococcus granulosus larvae, is an infectious disease endemic in different areas, such as India, Australia, and South America. The liver is well known as ...