Repositorio Académico de la Universidad de Chile: Recent submissions
Now showing items 30481-30500 of 101786
-
(Universidad de Chile, 2020)Los glaciares de Campos de Hielo Sur (CHS) han presenciado una contracción generalizada desde el último avance registrado en esta área. Esta contracción sería consecuencia de los cambios en las tendencias climáticas ...
-
(Nature, 2020)The Andean continental arc is built upon the thickest crust on Earth, whose eruption products reflect varying degrees of crustal assimilation. In order to robustly model magma evolution and assimilation at subduction zones ...
-
(Wiley, 2020)Objective To develop and validate a brief screening instrument for postpartum depression in resource-constrained primary care settings. Method Secondary data analysis of a cohort of 305 mothers (Mdn(age) = 26) attending ...
-
(Elsevier, 2020)We study the problem of constructing bulk and surface embedded modes (EMs) inside the quasi-continuum band of a square lattice, using a potential engineering approach a la Wigner and von Neumann. Building on previous results ...
-
(Springer, 2020)Nile tilapia (Oreochromis niloticus) is the major fish species produced in Brazil, a country with a vast territory and great climate diversity. This study assessed the effects of the genotype x environment interaction on ...
-
(Elsevier, 2020)Introduction: The impact of pulmonary hypertension (PH) on exercise tolerance in chronic obstructive pulmonary disease (COPD) has not been fully elucidated. It is necessary to characterize pulmonary hemodynamics in patients ...
-
(Palgrave Macmillan, 2020)Over the past two decades, external influences over continuous curriculum improvement have increased, so universities have implemented centralized approaches to respond to external accountability demands, such as national ...
-
(Pan Amer Health, 2020)Objectives. To report the surveillance of COVID-19 pandemic in Chile and analyse the response to public health interventions implemented from 3 March to 30 June 2020 and to assess the risks of collapse of the health care ...
-
(Slovak Univ. Technology, 2020)Multiple sound source localization in noisy and reverberant conditions is one of the important challenges in the speech signal processing. The aim of this article is three-dimensional sound source localization in undesirable ...
-
(Springer, 2020)Representation formulas for faces and support functions of the values of maximal monotone operators are established in two cases: either the operators are defined on reflexive and locally uniformly convex real Banach spaces ...
-
(Nature, 2020)The matrilineal long-finned pilot whale presents an antitropical distribution and is divided into two subspecies, one in the temperate seas of the Southern Hemisphere and the other restricted to the North Atlantic and ...
-
(Soc. Chilena Química, 2020)A green ancient thread sample from a Chilean mummy turban was analyzed by plasmon-enhanced Raman scattering spectroscopy using a direct drop-colloidal method. The enhanced-Raman signals in the sample are associated with ...
-
(Universidad de Chile, 2020)El volcán Llaima corresponde a un estratovolcán de forma cónica, ubicado en la Región de la Araucanía, Chile, a 74 km al este de Temuco. Tiene una altura máxima de 3125 m.s.n.m., cubriendo un área basal de 490 km2 con un ...
-
(Universidad de Chile, 2020)Se sintetizaron nanopartículas de magnetita depositados en óxido de grafeno térmicamente reducidos a 600 y 1000°C en dos concentraciones de hierro en razones FeCl3 ⁄ TrGO de 2,5:1 y 9,6:1, por medio de un proceso de ...
-
(Universidad de Chile, 2020)La cuenca alta del río Mapocho (Andes de Chile Central) ha sido estudiada como caso representativo de un sistema hidrológico de alta montaña compuesto por tres subcuencas desarrolladas sobre rocas muy distintas una de otra ...
-
(Universidad de Chile, 2020)El presente trabajo de título tiene como objetivo generar un modelo simplificado del edificio Antígona. Este modelo simplificado corresponde a la construcción de una matriz de masa y una matriz de rigidez basado en un ...
-
(Universidad de Chile, 2020)El presente trabajo se focaliza en la investigación del método de excavación mecanizada utilizado en la construcción de túneles a gran profundidad, altos esfuerzos y roca dura. Estas condiciones desafiantes, se estudian ...
-
(Universidad de Chile, 2020)New technologies related to the mining industry have been developed in the last 50 years as the mining industry has expanded in depth. These technological developments have responded not only to production and planning ...
-
(Universidad de Chile, 2020)Las características geológicas y geomorfológicas de Chile, además de su disposición tectónica determinan la existencia de distintos peligros geológicos, incluidos terremotos, tsunamis, volcanismo y deslizamientos de terreno. ...
-
(Fundacao Universidade do Tocantins, 2020)This essay aims to discuss the text of the PNPG 2011-2020, especially when it addresses training, at the stricto sensu level, and the valorization of the basic education professional and, in particular, when it states that ...
