Browsing by Title
Now showing items 33570-33589 of 94266
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(Universidad de Chile., 1982)En la presente introducción se intentará resumir los aspectos teóricos y experimentales más importantes de la micelización, de las interacciones entre detergentes o iones orgánicos y algunas características de los ...
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Energías libres de transferencias de moléculas aromáticas p-alquil sustituidas desde agua a micelas. (Universidad de Chile., 1980)En el presente trabajos se resumen los aspectos teóricos y experimentales más relevantes que tienen relación con tales interacciones y cuya base está planteada esta tesis. Uno de esos aspectos y talvez el más importante ...
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(Universidad de Chile, 1988)
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(Universidad de Chile, 2015)En la actualidad, Chile se encuentra en un proceso de cambio de la matriz energética conducente a una que cuente con mayor participación de Energías Renovables No Convencionales. La elección de ésta se basa en estudios ...
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(Universidad de Chile, 2017)Este trabajo analizará la promoción de Energías Renovables No Convencionales (ERNC) como un elemento estratégico en el sector eléctrico, a partir de la política pública y la regulación en el derecho nacional e internacional. La ...
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(Universidad de Chile, 2013)Las Energías Renovables No Convencionales (ERNC) conforman un concepto amplio, cuyo estudio puede ser abarcado desde variados y distintos puntos de vistas. La presente tesis explica y analiza los diferentes tipos de ...
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(Universidad de Chile, 2008)La política ambiental chilena comienza su desarrollo a partir de la consagración a nivel constitucional del derecho fundamental a vivir en un medio ambiente libre de contaminación (en el Art. 19 N° 8 de la CPR) y pasando ...
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Energy and exergy assessment in a perimeter cooled data center: the value of second law efficiency (Elsevier, 2017)The Data Center Industry remains in steady growth with worldwide energy consumptions in the order of hundreds of TWh, and yearly growth rates higher than the growth of global electricity consumption. Electronic cooling ...
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(Sage, 2017-06)Background: Early and optimal energy and protein delivery have been associated with improved clinical outcomes in the pediatric intensive care unit (PICU). Overweight and obese children in the PICU may be at risk for ...
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(MDPI, 2021)Energy and water have faced important levels of conflicts in the last 20–25 years in Chile. However, the way that they have been politically addressed in the last decade differs. These differences emerge from how these ...
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(2010)In the absence of comparable macroeconomic indicators for most of the Latin American economies before the 1930s, the apparent consumption of energy is used in this paper as a proxy of the degree of modernization of Latin ...
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(NATURE PUBLISHING GROUP, 2006-09)Objective: To evaluate energy balance and physical activity in obese preschool children attending day-care centres. Design: Cross-sectional study. Subjects: Twenty-four 3-5 years old obese children selected at random ...
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(Universidad de Chile, 2021)La soldadura es un método de unión de materiales que sobre metales es bastante usado en la industria. Es interesante notar que los que más entienden son los operarios, quienes regulan los parámetros iniciales. Para los ...
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(Blackwell Publishing Ltd, 2019)We calculate well-resolved corner frequencies and radiated energies for a set of 96 earthquakes divided into two clusters located in the same tectonic setting but with different depths in northern Chile. Fifty-three shallow ...
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(Elsevier, 2017)We present a methodology to obtain the energy distribution of the neutron flux of an experimental nuclear reactor, using multi-foil activation measurements and the Expectation Maximization unfolding algorithm, which is ...
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(Sociedad Medica de Santiago, 2008)Background: The effects of gastric bypass (GBP) on resting energy expenditure (REE) are not well known. Aim: To evaluate the changes in REE and its relationship with body composition in severe and morbid obese women before ...
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Energy expenditure and intake comparisons in Chilean children 4-5 years attending day-care centres (Aula Médica, 2015)Introduction: the doubly labelled water (DLW) method has an accuracy of 1% and within-subject precision of 5-8%, depending on subject’s age and environments issues. Energy intake assessment is prone to errors (>15- 20%) ...
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(Grupo Aula Medica S.A., 2015)© 2015 Grupo Aula Medica S.A. All rights reserved. Introduction: the doubly labelled water (DLW) method has an accuracy of 1% and within-subject precision of 5-8%, depending on subject’s age and environments issues. Energy ...
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(2011)The Na +/K + pump is a nearly ubiquitous membrane protein in animal cells that uses the free energy of ATP hydrolysis to alternatively export 3Na + from the cell and import 2K + per cycle. This exchange of ions produces a ...
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Energy management systems for microgrids: main existing trends in centralized control architectures (MDPI, 2020)This paper presents both an extensive literature review and a qualitative and quantitative study conducted on nearly 200 publications from the last six years (based on international experience and a top-down analysis ...
