Artículos Científicos: Envíos recientes
Mostrando publicaciones 2801-2820 de 3929
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Reference values for fitness level and gross motor skills of 4-6-year-old chilean children
(2020)In childhood, fitness level is considered an important indicator of health, while gross motor skills are the basis of future motor competence. So far, no reference values have been found for the Chilean population. Therefore, ...
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Aplicabilidad del índice de masa corporal e índice ponderal en jóvenes deportistas que participan en la selección universitaria de Chile
(2019)Objetivos: comparar el perfil antropométrico de cuatro modalidades deportivas y verificar la aplicabilidad del Índice de masa corporal e Índice ponderal de jóvenes universitarios participantes de las selecciones universitarias ...
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Validation of fitbit charge 2 and fitbit alta HR against polysomnography for assessing sleep in adults with obstructive sleep apnea
(2019)STUDY OBJECTIVES: Consumer wearable devices may be a helpful method of assessing sleep, but validation is required for their use in clinical practice. Our aim was to validate two models of Fitbit sleep trackers that rely ...
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Physical growth of children and adolescents at moderate altitudes
(2019)Las evaluaciones del crecimiento físico son útiles para monitorizar el estado nutricional y para medir las desigualdades del desarrollo humano entre diferentes poblaciones. Los objetivos de esta investigación fueron: a) ...
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Precision medicine and suicide: an opportunity for digital health
(2019)Purpose of Review: A better understanding of suicide phenomena is needed, and precision medicine is a promising approach toward this aim. In this manuscript, we review recent advances in the field, with particular focus ...
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Mining social networks to improve suicide prevention: a scoping review
(2020)Attention about the risks of online social networks (SNs) has been called upon reports describing their use to express emotional distress and suicidal ideation or plans. On the Internet, cyberbullying, suicide pacts, ...
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Diagnostic stability of schizophrenia: a systematic review
(2019)The objective is to systematically review previous literature on the diagnostic stability of schizophrenia, particularly to investigate prospective and retrospective consistency. We carried out a systematic literature ...
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Cambio de teorías subjetivas docentes ante sus primeras experiencias con estudiantes con síndrome de Down
(2020)Esta investigación, de carácter cualitativo, tuvo como objetivo describir, interpretar y contrastar las teorías subjetivas que sustentan dos profesoras que enseñan por primera vez a estudiantes con síndrome de Down, relevando ...
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Como un rapto de lejana luz: correspondencias fotográficas y literarias bajo la dictadura chilena
(2019)Este artículo reflexiona acerca de la producción artística y literaria chilena que surge en la década del 70, en la que se estrecha la relación entre fotografía y literatura, colaboración que se incrementa a mediados de ...
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Teorías subjetivas de docentes sobre la inserción laboral de sus alumnos con ceguera
(2020)La inserción laboral de las personas con ceguera ha sido investigada, pero no existen trabajos que indaguen sobre lo que piensan y conocen los docentes que forman a estas personas y sobre las dificultades de sus estudiantes ...
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Actitudes hacia la matemática en futuros profesores de educación primaria
(2020)Este estudio tiene por propósito describir las actitudes hacia las matemáticas de 239 futuros profesores de Educación Primaria de una universidad chilena, y la relación entre las actitudes y las variables de género, puntaje ...
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Effect of irrigation cut-off strategies on yield, water productivity and gas exchange in a drip-irrigated hazelnut (Corylus avellana L. cv. Tonda di Giffoni) orchard under semiarid conditions
(2020)An experiment was conducted to evaluate the effect of irrigation cut-off (ICO) strategies on yield components, water productivity (WP), and gas exchange in drip-irrigated hazelnut (Corylus avellana L., cv. Tonda di Giffoni) ...
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Valores profesionales de enfermería en el posmodernismo: una revisión sistemática
(2019)La sociedad postmoderna basada en un modelo neoliberal cuestiona el fuerte componente valórico característico del cuidado profesional de enfermería. Ante esta situación surge la interrogante: ¿Cómo se enfrenta la formación ...
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Green polymeric nanomaterials for the photocatalytic degradation of dyes: a review
(2020)Pure and drinkable water will be rarer and more expensive as the result of pollution induced by industrialisation, urbanisation and population growth. Among the numerous sources of water pollution, the textile industry has ...
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Rechazo in limine de recurso de casación (art. 782 inc. 2° CPC) y normas decisoria litis
(2020)Este estudio analiza la aplicación que hace la Corte Suprema del procedimiento casacional para el rechazo liminar del recurso de casación del art. 782 inc. 2° CPC, en relación con el concepto jurídico de normas decisoria ...
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The effect on the compressive strength of concrete produced by the incorporation of boiler-calcined biomass ash into sand from the Maule River, Chile
(2020)The pulp industry generates large amounts of wood biomass ash (WBA) as waste, which causes economic and environmental problems. However, WBA has pozzolanic and cementing properties that can complement cement in concrete ...
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Effect of freeze-thaw and wet-dry cycles on the mechanical and hydraulic characteristics of geothermal mortars
(2020)The appropriate performance of a vertical geothermal exchanger depends not only on the thermal properties of the elements that composed it, but also on the close contact between them to ensure the heat transfer. This contact ...
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Analysis of the carbonation in normal concrete with the addition of tire rubber aggregate
(2020)Tires are an industrial waste that has become a worldwide environmental problem. To minimize this effect, tire waste is used in construction as a concrete aggregate. Additionally, carbon dioxide in the atmosphere affects ...
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Effects on the compressive strength and thermal conductivity of mass concrete by the replacement of fine aggregate by mussel shell particulate
(2020)The behaviour of mussel shell particulate as fine aggregate for mass concrete has been analysed. The shells were washed and mechanically crushed to obtain a particle size similar to that of the natural aggregate (fine) to ...
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Evaluation of waste generation in a housing construction work to develop improvements in its final disposal
(2020)Construction is one of the productive sectors that generates the greatest environmental impact, on the one hand, there are high demands for raw materials and energy required for production, and on the other hand the large ...