Browsing by Author "XX676914"
Now showing items 1-20 of 85
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(Elsevier, 2017)Mixed integer optimization formulations are an attractive alternative to solve Stackelberg Game problems thanks to the efficiency of state of the art mixed integer algorithms. In particular, decomposition algorithms, such ...
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(Taylor & Francis, 2016)Traffic congestion is a significant social concern that is credited with considerable economic costs, wasted time, and associated public health risks. Efficient ridesharing solutions could help mitigate congestion. Some ...
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(Humana Press, 2016)The objective of the study is to determine the effect of copper (Cu) plus the reducing agent ascorbic acid (AA) on the absorption of non-heme iron (Fe). Experimental study with block design in which each subject was his ...
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(Universidad de Chile, 2013)El objetivo principal de este trabajo es proporcionar un algoritmo que resuelve instancias de gran tamaño para problemas de juegos de seguridad de Stackelberg con un énfasis en reducir el número de recursos necesarios ...
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(Universidad de Chile, 2014)En este trabajo se estudian problemas de programación de tareas en un entorno de máquinas paralelas. A diferencia de la literatura clásica, asumimos que los trabajos pueden ser divididos en distintas partes, cada una de ...
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(AMER SOC CLINICAL NUTRITION, 2006-10)Background: One of the strategies to control iron deficiency anemia is the fortification of food with iron. A mechanism for improving the bioavailability of iron is to add an iron absorption promoter. Objective: The ...
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(Universidad de ChileCyberDocs, 2009)
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(Springer, 2013)Iron fortification of foods continues to be one of the preferred ways of improving the iron status of the population. Dairy product is a common product in the diet; therefore, it is a plausible vehicle for iron ...
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(Elsevier, 2015)Background: The prevalence of obesity has increased at an alarming rate worldwide. Some studies have observed an association between iron (Fe) deficiency (ID) and obesity, however more research is needed. Objective: To ...
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(ELSEVIER SCIENCE INC, 2008-04)The limits of copper homeostatic regulation in humans are not known, making it difficult to define the milder effects of early copper excess. Furthermore, a robust assay to facilitate the detection of early stages of ...
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(Springer, 2008)Introduction Gastric bypass surgery (GBP) is increasingly used as a treatment option in morbid obesity. Little is known about the effects of this surgery on bone mineral density (BMD) and the underlying mechanisms. To ...
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(US DEPT HEALTH HUMAN SCIENCES PUBLIC HEALTH SCIENCE, 2004-07)We assessed gastrointestinal effects in 1,365 adults exposed to either < 0.01 (controls), 2, 4, or 6 mg copper/L of drinking water for 2 months in a randomized, double-blind community-based study. The risk of symptoms ...
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(Elsevier, 2015)It is estimated that 76% of commuters are driving to work alone while each of them experiences a 38-h delay annually due to traffic congestion. Ridesharing is an efficient way to utilize the unused capacity and help with ...
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(Universidad de Chile, 2014)El trabajo desarrollado en esta tesis se enmarca dentro del área de investigación de operaciones, en el campo de la optimización estocástica para un problema de planificación forestal, el cual se modela como un problema ...
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(Universidad de ChilePrograma Cybertesis, 2009)
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(Springer, 2013)Copper (Cu) deficiency has been reported to influence lipid metabolism, but the effects in humans are controversial. To evaluate the effects of 8 mg Cu/day supplementation (as copper sulfate) for 6 months on the lipid ...
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(Universidad de Chile, 2009)El problema abordado en este trabajo consiste en evaluar cuál es el mejor enfoque para enfrentar la planificación minera considerando el precio como un valor incierto. Lo anterior implica determinar la extracción óptima ...
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(Universidad de Chile, 2011)CODELCO, en su afán de aumentar su valor como empresa y sus reservas de minerales, está en una búsqueda constante de nuevos yacimientos y métodos de explotación. Por esto en la actualidad, se encuentra estudiando en conjunto ...
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(Universidad de Chile, 2006-10)Resumen La administración conjunta de Fe y Zn produce una inhibición de la biodisponibilidad del Fe (Bio Fe), sin embargo, no se conoce el tiempo que dura este efecto. Objetivo: determinar el tiempo que dura el efecto ...
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(Universidad de Chile, 2013)La co-fortificación de la harina de trigo con hierro (Fe) y zinc (Zn) es una estrategia utilizada para prevenir estas deficiencias en la población. Debido a que el zinc puede interactuar negativamente con el hierro, el ...
