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Mostrando publicaciones 3444-3463 de 5127
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Nuevo coronavirus (COVID-19): un análisis bibliométrico
(2020)Objetivo: La pandemia del nuevo coronavirus (COVID-19) se ha extendido a 180 países, ocasionando más de medio millón de casos confirmados y más de 40.000 muertes. El objetivo principal de este estudio fue analizar la ...
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Number of COVID-19 cases in Chile at 120 days with data at 21/03/2020 and threshold of daily effort to flatten the epi-curve
(2020)Realizamos una prospectiva básica, con datos al 21/03/2020 de la evolución del número de casos COVID-19 diarios en Chile con datos del Ministerio de Salud. Asumiendo un crecimiento aritmético en la segunda variación de los ...
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Numerical simulation on supercritical CO2 fluid dynamics in a hollow fiber membrane contactor
(2019)This research answers the following question: What is the fluid dynamic behavior of a supercritical fluid (SCF) inside a membrane module? At this time, there is very little or no reported information that can provide an ...
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Numerical study of meteorological factors for tropospheric nocturnal ozone increase in the metropolitan area of São Paulo
(2021)One of the central problems in large cities is air pollution, mainly caused by vehicular emissions. Tropospheric ozone is an atmospheric oxidizing gas that forms in minimal amounts naturally, affecting peoples’ health. ...
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Nurses, do they perceive emotional labor?
(2018)El objetivo del manuscrito es reflexionar sobre el impacto del trabajo emocional en la prestación de cuidados para responder a la pregunta: ¿Cómo se manifiesta el trabajo emocional en los profesionales de enfermería?. Se ...
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Nutrient (N, P, K) use efficiency and nitrogen balance in a bioenergy plantation of populus deltoides clone lux in San Piero a Grado (Pisa), Italy
(2021)Los cultivos energéticos han demostrado ser una alternativa viable para la producción de energía a partir de la biomasa producida. Sin embargo, una alta producción de biomasa siempre significa que se eliminan grandes ...
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Nutritional status and aerobic fitness in Chilean adolescents
(2022)The purpose of this study was: (a) to analyze the nutritional status and aerobic fitness in Chilean adolescents; and (b) to verify the association between the two variables in a sample of Chilean adolescents. The study was ...
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O autoconceito é um atributo interveniente no estilo de liderança de treinadores de futsal de alto rendimento?
(2019)En el escenario deportivo, el autoconcepto ha sido señalado como un atributo psicológico fundamental para el desempeño de entrenadores y atletas, incidiendo sobre el control de las emociones y las expectativas de éxito o ...
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O processo de identização docente em um curso de educação física na perspectiva de seus discentes
(2019)Este artigo traz apontamentos sobre o processo de identização docente de um curso de Licenciatura em Educação Física de uma Universidade Pública do estado do Rio Grande do Sul/Brasil na percepção dos seus discentes. ...
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O2 Saturation predicted the ICU stay of COVID-19 patients in a hospital at altitude: a low-cost tool for post-pandemic
(2024)Background and Objectives: Patients at high altitudes with COVID-19 may experience a decrease in their partial oxygen saturation (PO2S) levels. The objective was to assess the association between PO2S and intensive care ...
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Obesidad en lactantes: efecto protector de la lactancia materna versus fórmulas lácteas
(2020)El objetivo del trabajo fue analizar el posible efecto protector de la lactancia materna respecto a la obesidad infantil versus fórmulas lácteas. Se consultaron las bases de datos PubMed, Web of Science y Scielo, considerándose ...
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Obesity as a risk factor for complications and mortality in individuals with SARS-CoV-2: A systematic review
(2024)This systematic review aimed to analyze the available studies that identified overweight and/or obesity as a risk factor for mortality, use of respiratory support, and changes in biochemical markers in adults hospitalized ...
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Objetos matemáticos ligados a la estadística y la probabilidad en educación infantil: un análisis desde los libros de texto
(2020)En este artículo se analiza cómo son abordados los contenidos de estadística y probabilidad en los libros de texto de Educación Infantil en Chile. Para ello, utilizamos herramientas teóricas del Enfoque Ontosemiótico del ...
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Observations on the biology and distribution of Uresiphita reversalis (Lepidoptera, Crambidae), a defoliator of the native tree Calia secundiflora in México
(2014)Observations on the biology and distribution of Uresiphita reversalis (Lepidoptera, Crambidae), a defoliator of the native tree Calia secundiflora in México. Uresiphita reversalis (Guenée, 1854) feeding on Calia secundiflora ...
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Observations on the emergence rates of Meteorus pulchricornis (Hymenoptera: Braconidae) and densities of Uresiphita polygonalis maorialis (Lepidoptera: Crambidae) larvae
(2011)Uresiphita polygonalis maorialis (the kowhai moth) is a well-known defoliator of Sophora spp. plants in New Zealand. Here data is presented from an experiment carried out between December 2007 and February 2008. The ...
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Obstacles to a favorable attitude towards reflective practices in preservice teachers in training
(2024)Reflective practices have been recognized as a predictor of professional development because they favor teaching changes that improve the students’ learning. The expressions reflection, practice, and reflective professionals ...