Artículos Científicos: Envíos recientes
Mostrando publicaciones 661-680 de 3486
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A computational approach to identifiability analysis for a model of the propagation and control of COVID-19 in Chile
(2023)A computational approach is adapted to analyze the parameteridentifiability of a compartmental model. The model is intended todescribe the progression of the COVID-19 pandemic in Chile duringthe initial phase in early 2020 ...
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Measuring the length of the juvenile phase and corm growth in the chilean endemic geophyte Conanthera bifolia Ruiz et Pavon
(2023)The geophyte Conanthera bifolia is endemic to Chile and belongs to the family Tecophilaeaceae. When in flower, the plant produces an inflorescence with blue florets. Conanthera plants arise from underground structures ...
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Propuesta de valores de referencia para el cuestionario de evaluación del apego adulto: experiences in Close Relationships (ECR-12), en población adulta chilena
(2023)El cuestionario de Experiencias en Relaciones Cercanas (ECR) es un instrumento de auto-reporte ampliamente utilizado para evaluar el apego en la adultez, a partir de dos dimensiones: la ansiedad y la evitación asociadas ...
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Identificando las trayectorias de cambio terapéutico en psicoterapia breve en pacientes chilenos
(2023)Antecedentes: identificar subgrupos de pacientes que demuestren diferentes trayectorias de cambio terapéutico durante psicoterapia en contextos realistas es relevante para el desarrollo de procesos terapéuticos personalizados ...
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Spatial characterization of climatic variables for Arica-Parinacota and Tarapacá, Chile using topoclimatic analysis
(2023)In the present study, models were developed to determine the monthly and annual spatio-temporal variation of temperature, precipitation, and solar radiation based on topoclimatic analysis of Arica-Parinacota and Tarapacá ...
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Geographic variation in total phenol content and specific leaf area, as antioxidant indicators, of maqui in central Chile
(2023)The high content of antioxidants of maqui (Aristotelia chilensis (Mol.) Stuntz) has recently motivated an increase in the research on this species. This study evaluates the variation in phenolic antioxidants of maqui leaves ...
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Snow albedo reduction in the colombian Andes mountains due to 2000 to 2020 saharan dust intrusions events
(2023)This article investigates the snow albedo changes in Colombian tropical glaciers, namely, Sierra Nevada de Santa Marta (SNSM), Sierra Nevada del Cocuy (NSC), Nevado del Ruíz (NDR), Nevado Santa Isabel (NDS), Nevado del ...
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SoftVein-WELM: a weighted extreme learning machine model for soft biometrics on palm vein images
; ; Barrientos, Ricardo
(2023)
Contactless biometric technologies such as palm vein recognition have gained more relevance in the present and immediate future due to the COVID-19 pandemic. Since certain soft biometrics like gender and age can generate ...
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A VO2peak prediction model in older adults' patients with Parkinson's disease
(2023)Introduction: Cardiopulmonary function is compromised in people with Parkinson's Disease (PD) and might be related with mortality in advanced stages of the disease. Therefore, estimating the peak oxygen uptake (VO2peak) ...
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Evaluación del modelo de calidad de Donabedian en base a los criterios de Chinn y Kramer
(2023)INTRODUCCIÓN: La evaluación de teorías es un proceso crucial para el desarrollo del conocimiento enfermero, permite seleccionar y utilizar la teoría en función de los problemas y fenómenos del cuidado, sin embargo, es ...
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El desarrollo diacrónico de la construcción disponerse a + INF
(2023)En el presente artículo, se analiza el desarrollo histórico de la construcción disponerse a + INF, como portadora de un valor aspectual de inminencia. En concreto, se exploran aquellos criterios léxico-gramaticales que ...
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Effect of cellulose nanofibrils on vancomycin drug release from chitosan nanocomposite films
(2023)Overuse of antibiotic drugs usually leads to the further development of resistance to targeted bacteria. In this context, a controlled release system could be a solution to achieve higher drug efficiency without overdosing ...
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A comprehensive review of extreme learning machine on medical imaging
; Mora, Marco; ; ; ; (2023)
The feedforward neural network based on randomization has been of great interest in the scientific community, particularly extreme learning machines, due to its simplicity, training speed, and levels of accuracy comparable ...
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De lo explícito a lo implícito: lógicas morfológicas mapuches en los planos de colonización de Malleco y Cautín, 1916-1917
(2023)El Estado de Chile, durante la segunda mitad del siglo XIX, procede a radicar a las diferentes agrupaciones mapuches que quedaban en el territorio de la actual Araucanía. Posteriormente, en los años 1916 y 1917, el mismo ...
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Soluble interleukin-1 receptor type 2 plasma levels in Parkinson’s disease: relationship with cardiac autonomic profile before and after peripheral mechanical somatosensory stimulation
(2023)Introduction: Systemic inflammation promotes neurodegeneration in Parkinson’s disease (PD). Interleukin-1 receptor type 2 (sIL-1R2) plasma levels increase during inflammation. Data on sIL-1R2 in PD patients and its ...
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Analysis of pedagogical content knowledge in science teacher education: a systematic review 2011-2021
(2023)Pedagogical content knowledge (PCK) consists of a set of understandings, knowledge, skills, and dispositions necessary for effective performance in specific teaching and learning situations. Using Scopus, EBSCO, and Web ...
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Association between being breastfed and cardiovascular disease: a population cohort study of 320 249 participants
(2023)Background Being breastfed is associated with lower cardiovascular risk factors but, to date, no studies have demonstrated a protective effect on cardiovascular disease (CVD). This study aims to address the limitations of ...
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Estrategias asociativas de mejora de campesinos en mercados oligopsónicos: las organizaciones de viticultores certificadas Fairtrade en Chile
(2023)Por su trayectoria, relevancia económica, social y cultural, la vitivinicultura es una de las actividades económicas más importantes de la zona central de Chile. Los campesinos participan de este mercado como proveedores ...
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Desempeño físico en jóvenes futbolistas y escolares por edad cronológica y estado de madurez
(2023)Introducción: Durante el periodo de la adolescencia se producen cambios en el cuerpo, siendo importante identificar las diferencias individuales de madurez entre los adolescentes. En el caso de los futbolistas, esto puede ...
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Profiles of older adults according to their life and food-related life satisfaction during the COVID-19 pandemic: the importance of the social environment
(2023)Introduction: Older adults are a highly heterogeneous population, as individuals of the same age can show considerable variations in personal characteristics and living conditions. Risk and protective factors for older ...