Facultad de Ciencias Físicas y Matemáticas: Recent submissions
Now showing items 4341-4360 of 22108
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(MDPI, 2021)Renewable generation technologies are rapidly penetrating electrical power systems, which challenge frequency stability, especially in power systems with low inertia. To prevent future instabilities, this issue should ...
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(Universidad de Chile, 2021)El objetivo de la presente tesis es estudiar hallazgos de osamentas, restos arqueológicos, paleontológicos o similares y los costos involucrados al retrasar el avance de una obra civil. Para esto se debe realizar una ...
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(Copernicus Gesellschaft MBH, 2020)We investigate the influence of regional atmospheric circulation on the evaporation of a saline lake in the Altiplano (also known as the Andean Plateau) region of the Atacama Desert. For that, we conducted a field experiment ...
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(Springer, 2021)The value of travel time savings (VTTS) representing the willingness to pay to reduce travel time, consists of two components: the value of liberating time [equal to the value of leisure (VoL)] and the value of time assigned ...
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(MDPI, 2021)The mineralogy and mineral chemistry of carbonates from various hydrothermal deposits, including volcanic-hosted Au-Cu epithermal, "Chilean Manto-type" Cu(-Ag), stratabound Mn, and Ag-Ba vein deposits from Spain and Chile, ...
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Seasonal variation in atmospheric pollutants transport in central Chile: dynamics and consequences (Copernicus, Germany, 2021)Central Chile faces atmospheric pollution issues all year long as a result of elevated concentrations of fine particulate matter during the cold months and tropospheric ozone during the warm season. In addition to public ...
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(Universidad de Chile, 2021)Las empresas de telecomunicaciones definen sus procesos de gestión y desarrollo con el fin de sistematizar y hacer repetible su forma de trabajo. De esa manera, buscan aumentar la eficiencia y eficacia en la construcción ...
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(Universidad de Chile, 2021)Un anclaje de tensión es un elemento estructural utilizado para transmitir car-gas de tracción al suelo que, típicamente, está formado por un número variable de torones (cable de 7 alambres de acero trenzados helicoidalmente) ...
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Relationship between subduction erosion and the up-dip limit of the 2014 Mw 8.1 Iquique earthquake (American Geophysical Union, USA, 2021)The aftershock distribution of the 2014 Mw 8.1 Iquique earthquake offshore northern Chile, identified from a long-term deployment of ocean bottom seismometers installed eight months after the mainshock, in conjunction with ...
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(Universidad de Chile, 2021)En este trabajo de investigación se estudió la actividad catalítica, selectividad y estabilidad de catalizadores de níquel, soportados en materiales de rGO funcionalizado, en la reacción de metanación de CO2. Este trabajo ...
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(Nature, 2021)The decrease in freshwater input to the coastal system of the Southern Andes (40-45 degrees S) during the last decades has altered the physicochemical characteristics of the coastal water column, causing significant ...
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(Springer, 2021)During the current COVID-19 pandemic, active testing has risen as a key component of many response strategies around the globe. Such strategies have a common denominator: the limited availability of diagnostic tests. In ...
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(Elsevier, 2021)Words are sequences of letters over a finite alphabet. We study two intimately related topics for this object: quasi-randomness and limit theory. With respect to the first topic we investigate the notion of uniform ...
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(MDPI, 2021)In this study, GMAW and CMT welding technologies were evaluated in terms of their technological lifecycles based on their patent datasets together with the S-curve concept, and the joints were evaluated in terms of their ...
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(MDPI, 2021)Clay minerals are the signature of hydrothermal alterations related to fluid circulation in volcanic and crystalline rocks. In the French part of the Upper Rhine Graben, in the deep-seated granites, illitic minerals ...
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(Universidad de Chile, 2021)Dado que las aplicaciones móviles han adquirido protagonismo en rubro de la ingeniería de software, siendo estas uno de los tipos de software más utilizados en todo el mundo, se han creado diversas herramientas para facilitar ...
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(Universidad de Chile, 2021)En esta tesis estudiamos los efectos de una inflación generada por múltiples campos (multifield inflation) en el escenario donde la materia oscura puede ser descrita, totalmente o en una fracción, como agujeros negros ...
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(Universidad de Chile, 2021)Los materiales compuestos o polímeros reforzados con fibra (FRP), son materiales compuestos por una matriz de resina, y el uso de fibras como refuerzo al conjunto, siendo la fibra de vidrio la más común. Estos materiales ...
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(Universidad de Chile, 2021)Agrosuper S.A. es un holding de empresas alimentarias Chilenas, dedicada a la producción, distribución y comercialización de alimentos frescos y congelados. Este trabajo de título se lleva a cabo en la Subgerencia de Revenue ...
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(MDPI, 2021)Eicosapentaenoic acid (EPA), docosahexaenoic acid (DHA), and carotenoids are needed as human dietary supplements and are essential components in commercial feeds for the production of aquacultured seafood. Microorganisms ...
