Facultad de Ciencias Físicas y Matemáticas: Recent submissions
Now showing items 7721-7740 of 21995
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(Universidad de Chile, 2019)En el desarrollo de las industrias de manufactura se busca acelerar los procesos, en este punto la manufactura aditiva ha ayudado al progreso de la industria gracias a la creación de prototipos rápidos, con precisión, y ...
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(Universidad de Chile, 2019)Al agotarse los depósitos ricos en cobre, ha sido necesario explotar aquellos de leyes más bajas, minerales más complejos, y mayores volúmenes para mantener constante la producción de cobre fino. Lo anterior ha significado ...
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Mecanismos alternativos de financiamiento propuesta para el desarrollo de proyectos mineros en Chile (Universidad de Chile, 2019)El presente trabajo presenta una serie de mecanismos alternativos para el financiamiento de proyectos mineros, con el objeto de entregar herramientas y alternativas para la toma de decisiones. Los mecanismos para el ...
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(Universidad de Chile, 2019)El transporte y la movilidad en las grandes ciudades está cambiando vertiginosamente, cada día más los gobiernos propenden a desincentivar el uso del vehículo particular, bajo el supuesto de que es el modo de transporte ...
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(Universidad de Chile, 2019)Las empresas y personas naturales que invierten capital de riesgo en el negocio minero, que es intrínsecamente de largo plazo, deben definir el valor justo del proyecto minero o activo minero a transar comercialmente, monto ...
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(Universidad de Chile, 2019)En la actualidad la confiabilidad tiene un papel preponderante en la gestión organizacional, haciendo indispensable el apego a la estrategia sobre los activos disponibles, y con ello garantizar condiciones adecuadas de ...
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(Universidad de Chile, 2019)Con la publicación de la Ley 20.971 de reajuste del sector público del año 2016, se introdujo una importante innovación en materia de empleo público en Chile, y particularmente en el Instituto Nacional de Propiedad Industrial ...
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(Institute of Electrical and Electronics Engineers Inc., 2019)A lot of image processing research works focus on natural images, such as in classification, clustering, and the research on the recognition of artworks (such as oil paintings), from feature extraction to classifier design, ...
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(International Union against Tubercul. and Lung Dis., 2019)BACKGROUND: Tuberculosis (TB) diagnosis in human immunodeficiency virus (HIV) positive persons is difficult, particularly in resource-limited settings. The relationship between TB culture status and mortality in HIV-positive ...
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(Universidad CES, 2019)This paper aims to make a discourse analysis of the processes that reverse memories of the Colombian conflict in national newspapers. The research adopts a theoretical approach that describes reversed memory as a narratological ...
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(Elsevier B.V., 2019)Landscape composition and heterogeneity are considered important factors for enhancing biodiversity and their associated ecosystem services in human-modified landscapes. Despite their roles in pest suppression in agricultural ...
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(MDPI AG, 2019)This paper proposes underwater acoustic time delay estimation based on the envelope differences of correlation functions (EDCF), which mitigates the delay estimation errors introduced by the amplitude fluctuations of the ...
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(Seismological Society of America, 2019)Displacement waveforms derived from Global Navigation Satellite System (GNSS) data have become more commonly used by seismologists in the past 15 yrs. Unlike strong-motion accelerometer recordings that are affected by ...
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(Elsevier B.V., 2019)The intensive management of tree plantations has replaced and fragmented native forests worldwide. A direct consequence of this activity is the creation of new edges, which generate changes in microclimatic conditions in ...
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(American Society for Enology and Viticulture, 2019)Crimson Seedless is one of the most important table grape cultivars in the world, but often exhibits uneven berry color when grown in warm climates. Deficit irrigation is used extensively by growers during the ripening ...
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(Public Library of Science, 2019)Mesenchymal stem cells (MSCs) can trans/differentiate to neural precursors and/or mature neurons and promote neuroprotection and neurogenesis. The above could greatly benefit neurodegenerative disorders as well as in the ...
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(American Chemical Society, 2019)Polycyclic aromatic compounds (PACs) can have multiple sources in the Athabasca Oil Sands Region (AOSR). The current study was designed to identify and explore the potential of nitrogen heterocyclic PACs (NPACs) as source ...
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(Public Library of Science, 2019)Human presence at intertidal areas could impact coastal biodiversity, including migratory waterbird species and the ecosystem services they provide. Assessing this impact is therefore essential to develop management measures ...
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(Elsevier B.V., 2019)The “blooming desert”, or the explosive development and flowering of ephemeral herbaceous and some woody desert species during years with abnormally high accumulated rainfall, is a spectacular biological phenomenon of the ...
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(Society for Industrial and Applied Mathematics Publications, 2019)In this paper we establish that the set of Lipschitz functions f : U → R (U a nonempty open subset of ` 1 d ) with maximal Clarke subdifferential contains a linear subspace of uncountable dimension (in particular, an ...
