Artículos Científicos: Envíos recientes
Mostrando publicaciones 2981-3000 de 3929
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Fast finger vein recognition based on sparse matching algorithm under a multicore platform for real-time individuals identification
; Barrientos, Ricardo
; ; ; Mora, Marco ; ; (2019)
Nowadays, individual identification is a problem in many private companies, but also in governmental and public order entities. Currently, there are multiple biometric methods, each with different advantages. Finger vein ...
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Land cover data of Upper Parana River Basin, South America, at high spatial resolution
(2019)This study presents a new land cover map for the Upper Paraná River Basin (UPRB-2015), with high spatial resolution (30 m), and a high number of calibration and validation sites. To the new map, 50 Landsat-8 scenes were ...
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Criterios asumidos por profesores cuando argumentan sobre la creatividad matemática
(2019)El propósito de este estudio fue identificar cuáles son los criterios asumidos por profesores en ejercicio cuando argumentan sobre el desarrollo de la creatividad en los procesos de enseñanza y aprendizaje de las matemáticas. ...
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Partial least squares models and their formulations, diagnostics and applications to spectroscopy
(2020)Partial least squares (PLS) models are a multivariate technique developed to solve the problem of multicollinearity and/or high dimensionality related to explanatory variables in multiple linear models. PLS models have ...
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On a partial least squares regression model for asymmetric data with a chemical application in mining
(2019)In chemometrical applications, covariates in regression models are often correlated, causing a collinearity problem that can be solved by partial least squares (PLS) regression. In addition, high dimensionality in the space ...
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Representaciones docentes en torno al concepto de vulnerabilidad educativa en el contexto de educación superior de Chile
(2019)Este estudio identifica creencias y representaciones de académicos en torno a la noción de vulnerabilidad en el contexto universitario. Participaron 120 académicos de distintas titulaciones en la región de la Araucanía, ...
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Panorama de la economía social en Chile: La brecha entre definiciones formales y sustantivas
(2019)El presente artículo busca dimensionar y caracterizar el sector de la economía social en Chile al año 2015, adaptando la tipología propuesta por EESC/CIRIEC para Europa. A partir de la sistematización de datos cuantitativos ...
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BER improvement using the better than double-jump 2 pulse in OFDM schemes prone to frequency offset
(2019)Orthogonal frequency division multiplexing (OFDM) is highly sensitive to frequency offset since it induces inter-carrier interference (ICI). Fortunately, the pulse shaping filter method has proven its potential to reduce ...
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Responsabilidad social en un centro público de salud en Chile
(2019)Este artículo examina las percepciones de directivos y empleados de un centro público de salud de Chile acerca del grado de presencia de prácticas socialmente responsables en dicha institución, explorando, además, potenciales ...
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Análisis bibliométrico de la producción científica sobre responsabilidad social en universidades chilenas
(2019)La responsabilidad social ha motivado al desarrollo de investigaciones considerando diversas áreas de aplicación. El objetivo de éste trabajo es analizar la producción científica desarrollada por estudiantes en conjunto ...
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Los marcos interpretativos en la política chilena de salud sexual y reproductiva
Cubillos Almendra, Javiera (2019)
El abordaje de la sexualidad en el ámbito de las políticas públicas suele ser controvertido. En este debate pueden identificarse diferentes discursos, expresados por distintos sectores y actores políticos. El propósito del ...
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Growth of radiata pine families in nursery and two years after field establishment
(2020)Pinus radiata D. Don is the most widely planted exotic species in Australia, Chile, New Zealand and Spain. In this study, growth and survival of P. radiata were compared in 30 open pollinated families grown under two ...
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Enhancing the synthesis of latex clearing protein by different cultivation strategies
(2019)In this study, we improved the synthesis of the latex clearing protein from Gordonia polyisoprenivorans VH2 (Lcp1VH2), a key enzyme for the initial cleavage of the rubber backbone. Cultivations using a recombinant strain ...
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Effectiveness of early rehabilitation on range of motion, muscle strength and arm function after breast cancer surgery: A systematic review of randomized controlled trials
(2019)Objective: The objective was to evaluate the effectiveness of early rehabilitation on arm range of motion (ROM), strength and function after breast cancer surgery (BCS). Data sources: PubMed, MEDLINE, Bireme, Embase, LILACS ...
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Impact of deep water running in interval training (DWR-IT) on body composition, functional capacity, and quality of life in overweight adults: Study protocol for a randomized controlled trial
(2019)Background: Interval training in deep water running (DWR-IT) is a training method to improve cardiovascular fitness, functional health, and quality of life and to help control body weight. Its main advantages are the ...
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Reconocimiento de trastornos de salud mental en adolescentes escolarizados: Estudio descriptivo
(2019)Objetivo: Describir el reconocimiento de seis trastornos de salud mental, en adolescentes escolarizados en enseñanza secundaria. Método: Estudio de tipo exploratorio, descriptivo y transversal. Los participantes fueron ...
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Letter to the editor: Cross-contaminated cell lines: there is no time to lose
Rojas, Armando; (2019)
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Interdisciplina y educación: La orientación deportiva como propuesta sistémica
Castillo Retamal, Franklin; ; (2019)
Se presentan resultados de una búsqueda bibliográfica basada en interrogantes relacionadas a las posibilidades de la práctica de la orientación deportiva como componente curricular pertinente en las aulas escolares. Se ...
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Marine debris occurrence along Las Salinas beach, Viña Del Mar (Chile): Magnitudes, impacts and management
(2019)Marine Debris (MD) magnitudes, impacts, and management were determined from samples collected along an urban coastal strip area of 95,015 m2 belonging to Las Salinas Beach, located in the famous touristic Chilean city of ...
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A study of the cis–trans isomerization preference of N-alkylated peptides containing phosphorus in the side chain and backbone
(2019)The current work provides a study on the cis–trans isomerization behaviour of N-alkylated peptides decorated with phosphonate ester groups. A Ugi four-component reaction was chosen for the synthesis of N-alkylated peptides, ...