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Mostrando publicaciones 5036-5055 de 5082
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Vías de exposición a plaguicidas en escolares de la Provincia de Talca, Chile
(2014)Objetivo: Describir la concentración de plaguicidas en diferentes matrices ambientales en dos períodos de tiempo (baja y alta producción agrícola local) y estimar la asociación entre la presencia de residuos de plaguicidas ...
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Vínculos afectivos en los adultos mayores institucionalizados en Fundación Las Rosas de Los Niches, Curicó
(Universidad Católica del Maule, Facultad de Ciencias de la Salud, 2017)El aumento en la esperanza de vida ha llevado a un incremento en la población Adulto Mayor y según las estadísticas, seguirá aumentando, situación que nos exige actualizar y mejorar el cuidado de este rango etario. ...
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Vocabulario receptivo en niños de preescolar: lectura de cuentos y niveles económicos
(2020)Esta investigación analiza el desarrollo de vocabulario que presentan niños y niñas de preescolar y su relación con el nivel económico de las familias y la lectura de cuentos en el hogar. Es un estudio cuantitativo no ...
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Vocación de carrera en académicos de una universidad pública en Argentina
(2021)Este estudio indaga las percepciones que un grupo de académicos argentinos tiene sobre el rol de la vocación en su carrera, con el objetivo de ofrecer reflexiones que ayuden a enriquecer nuestra comprensión de las dimensiones ...
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¿Vocación o profesión? :cinco razones para elegir la carrera de Pedagogía en Educación General Básica de la Universidad Católica del Maule en los alumnos del ingreso 2011
(Universidad Católica del Maule, Facultad de Ciencias de la Educación, Escuela de Pedagogía General Básica,, 2011)La investigación se inscribe en el amplio campo de la orientación vocacional y profesional. A partir de una concepción de orientación transversal y consustancial con la educación como realidad humana, se tratará de identificar ...
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La vocación pedagógica
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Vocal responses of austral forest frogs to amplitude and degradation patterns of advertisement calls
(2017)Degradation phenomena affecting animal acoustic signals may provide cues to assess the distance of emitters. Recognition of degraded signals has been extensively demonstrated in birds, and recently studies have also reported ...
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Volatiles from Lapageria rosea Ruiz et Pav. red flower
; abril, diana
; ; ; (2013)
The chemical composition of the volatile compounds isolated by simultaneous distillation–extraction with diethyl ether from red flowers of red copihue (Lapageria rosea) growing in Chile was investigated by gas ...
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Volatility spillover between the cryptocurrency market, financial markets and commodities
(2023)El objetivo de este trabajo es analizar el efecto spillover entre el mercado de las criptomonedas, los mercados financieros y commodities, utilizando índices de volatilidad realizada de las diez criptomonedas con mayor ...
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Vulnerabilidad del sistema financiero chileno, frente los últimos avances en la tecnología de la información y comunicaciones a nivel mundial, que facilitan el lavado de dinero
(Universidad Católica del Maule, Facultad de Ciencias Sociales y Económicas, 2009)Esta tesis presenta los antecedentes que explican la evolución del lavado de dinero en Chile. Además, analiza la información existente y, determina, qué tecnología de la información y las comunicaciones facilitan el lavado ...
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Waist circumferences of chilean students: Comparison of the CDC-2012 standard and proposed percentile curves
(2015)The measurement of waist circumference (WC) is considered to be an important means to control overweight and obesity in children and adolescents. The objectives of the study were to (a) compare the WC measurements of Chilean ...
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Walking behavior of older adults in Temuco, Chile: the contribution of the built environment and socio-demographic factors
(2022)The amount of walking for daily transport has decreased significantly over the last decades in Temuco, Chile. Moreover, the percentage of older adults (aged over 65) who did not meet the recommendations of at least 150 min ...
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Walking toward metro stations. The contribution of distance, attitudes, and perceived built environment
(2020)Walking as an active means of travel is important as a sustainable mode of transport. Moreover, the level of walking in the surrounding areas of metro stations would contribute to maintaining the minimum rate of physical ...
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Warm-up stretching exercises and physical performance of youth soccer players
(2023)This study aims to compare the effects of standard warm-up versus warm-up using stretching exercises on the physical performance of male youth soccer players. Eighty-five male soccer players (age: 10.3 ± 4.3 years; body ...
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Water and temperature ecophysiological challenges of forests plantations under climate change
(2024)Climate change has impacted the environmental conditions in which forest plantations grow worldwide. Droughts and extreme temperatures have compromised the survival and productivity of plantations, and the effects on carbon ...
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Water status estimation of cherry trees using infrared thermal imagery coupled with supervised machine learning modeling
Carrasco-Benavides, Marcos; ; ; ; ; Mora, Marco ; (2022)
The implementation of artificial intelligence (AI) in parallel with remote sensing could be a powerful tool to manage irrigation scheduling on crops with narrow thresholds between water stress levels, such as cherry trees. ...
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Web-based personal access control system using facial recognition with deep learning techniques
(2022)This paper presents a web application to control personnel access to a work area without contact; this makes it ideal to help combat the Covid-19 health emergency. For its implementation, deep learning and computer vision ...
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Weight, height and body mass index of children and adolescents living at moderate altitude in Colombia
(2018)Introduction. There is increasing concern over the study of physical growth in different regions of the world, although altitude is not considered an adjustment factor. Objectives. Compare physical growth variables and ...
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What are the factors explaining pesticide sprayings on grapevines? A comparison of 440 plots belonging to three wine valleys of Chile
(2021)Spraying pesticides on grape skins is a common practice in vineyards, which has negative impacts on the environment and generates public health challenges. This work aims to identify the factors that explain the intensity ...
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What can insects tell us about the use of pesticides? the detection and quantification of chlorpyrifos via QuEChERS and HEADSPACE-SPME methods using GC/MS/MS
(2024)The global use of pesticides, exceeding 4 million tons annually, poses substantial threats to public health and the environment. Numerous studies emphasize the correlation between pesticide exposure, genotoxicity, and ...