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Mostrando publicaciones 61-70 de 920
Nectar secretion of floral buds of tococa guianensis mediates interactions with generalist ants that reduce florivory
(2020)
The specialised mutualism between Tococa guianensis and ants housed in its leaf domatia is a well-known example of myrmecophily. A pollination study on this species revealed that flowers in the bud stage exude a sugary ...
Attention deficit hyperactivity disorder and its association with heavy metals in children from northern Chile
(2020)
Introduction: Exposure to lead and arsenic has been associated with child behavior problems. In Arica, a northern city of Chile, the natural presence of arsenic in water has been registered. Also, the city has a history ...
Effect of socioeconomic status on the relationship between short-term exposure to PM2.5 and cardiorespiratory mortality and morbidity in a megacity: the case of Santiago de Chile
(2020)
This work analyzes the relationship between short-term exposure to fine particulate matter and its incidence of respiratory and cardiorespiratory diseases. It involved the socioeconomic status of the population distributed ...
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) ...
Desde una mirada global al contexto chileno: ¿qué factores han repercutido en el desarrollo de obesidad en Chile? (parte 2)
(2020)
Chile tiene una de las tasas de obesidad más altas del mundo. Se estima que para el año 2030 las muertes atribuidas a
esta enfermedad alcanzarían a 204 mil personas, incrementándose además los costos económicos asociados ...
Time course of autonomic symptoms in postural orthostatic tachycardia syndrome (pots) patients: two-year follow-up results
(2020)
Postural orthostatic tachycardia syndrome (POTS) is a multifactorial condition capable of chronically reducing the quality of life and the work ability of patients. The study aim was to assess the burden of autonomic ...
Characterization of an Alsodes pehuenche breeding site in the Andes of central Chile
(2020)
Alsodes pehuenche, an endemic anuran that inhabits the Andes of Argentina and Chile, is considered “Critically Endangered” due to its restricted geographical distribution and multiple potential threats that affect it. This ...
Pedestrian walkways for health in Shiraz, Iran, the contribution of attitudes, and perceived environmental attributes
(2020)
Walking is important for improving physical activity and public health. The pedestrian walkways called Walkways for Health in Shiraz, Iran, present a high standard of aesthetic and design features which attract many people ...
A review of convolutional neural network applied to fruit image processing
(2020)
Agriculture has always been an important economic and social sector for humans. Fruit production is especially essential, with a great demand from all households. Therefore, the use of innovative technologies is of vital ...
Sistema de creencias de los futuros maestros sobre educación para el desarrollo sostenible en la clase de matemática
(2020)
En este estudio se indaga en el sistema de creencias de futuros profesores chilenos de educación infantil y de educación primaria respecto de sus competencias para incorporar la Educación para el Desarrollo Sostenible (EDS) ...