Browsing by Title
Now showing items 39883-39902 of 91664
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(Universidad de Chile, 2020)La presente investigación abordará, mediante la recopilación y trabajo con entrevistas, significaciones y representaciones sobre el habitar las escuelas chilenas desde la mirada de personas que se identifiquen con identidades ...
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(Universidad de Chile, 2017)
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(Frontiers Media, 2020)With the arrival of the cognitive paradigm during the latter half of the last century, the theoretical and scientific bases of neurorehabilitation have been linked to the knowledge developed in cognitive neuropsychology ...
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(Universidad de Chile, 2000)Así como los avances científicos están brindando indudables beneficios a toda la humanidad en los campos más diversos de la ciencia, también han suscitado preocupantes situaciones éticas, como la ocurrida durante la Segunda ...
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(Wiley, 2021)1. Invasive species have the ability to rapidly adapt in the new regions where they are introduced. Classic evolutionary theory predicts that the accumulation of genetic differences over time in allopatric isolation may ...
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(Elsevier Ltd, 2019)© 2019 Elsevier Ltd Through long-term monitoring, modal parameters identified in-situ can provide important information about the safety state of civil buildings and infrastructures. Unfortunately, structures are subjected ...
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(Springer, 2014)In this paper we provide a description of the three-dimensional flow induced by a sequence of lateral obstacles in a straight shallow open-channel flow with flat bathymetry. The obstacles are modelled as rectangular ...
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(Elsevier, 2019)According to Chilean design practice, walls usually have complex geometries and discontinuities in height, mainly in the first story. However, the Chilean design code, similar to many design codes, does not provide special ...
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(Universidad de Chile, 2022)Los macareos pueden describirse como una transición rápida entre dos profundidades de flujo y suelen estar causados por las fuerzas de las mareas, pero también pueden ser consecuencia de terremotos, deslizamientos de tierra ...
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(Universidad de Chile, 2016)This thesis describes the work that I performed to analyse the data from the Atacama B-mode Search (ABS) experiment. The ABS experiment observed the Cosmic Microwave Background (CMB) radiation for three years using ...
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(2009)The synthesis and the experimental and theoretical characterization of ruthenium hydride complexes containing phosphorus and polypyridine ligands [RuH(CO)(N-N)(PPh3)2]+ with N-N = dppz 1, dppz-CH3 2 (2.1 isomer), dppz-Cl ...
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(Elsevier Ltd, 2018)Sunset yellow, Allura red and Ponceau 4R are azo-colorants with similar chemical structures. These colorants were studied by electrochemical methods at a glassy carbon electrode in phosphate buffer solution (pH 7.0), ...
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(Elsevier, 2017)Synthesis of Bixbyite phase nanocrystalline (Mn0.8Ni0.2)(2)O-3 is achieved by a sol-gel method. X-ray diffraction pattern of the sample reveals the formation of cubic lattice type nanocrystalline with Ia-3 space group. The ...
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(MDPI AG, 2017)The rational design of quinones with specific redox properties is an issue of great interest because of their applications in pharmaceutical and material sciences. In this work, the electrochemical behavior of a series of ...
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(Elsevier Ltd., 2013)A series of eight complexes with general structure [ARe(CO)3D]+, (A = NO2phen, NO2dppz; D = TBP, MOP, DMAP, PEPN) were synthesized and characterized by IR, NMR, UV–Vis spectroscopy and cyclic voltammetry. The donor and ...
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(Asoc Quimicos, Inst Quimico Sarria, 2015)The photophysical behavior of 7-amino-3-phenyl-2H-benzo[b][1,4]oxazin-2-one was studied in organic solvents and in aqueous solutions of beta-cyclodextrin using steady-state fluorescence and computational chemistry methods. ...
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(PERGAMON-ELSEVIER SCIENCE LTD, 2006-03-13)The reactions of quinuclidines with phenyl, 4-methylphenyl, and 4-chlorophenyl 2,4-dinitrophenyl carbonates are kinetically evaluated in aqueous solution. The Bronsted-type plots (log k(N) vs pK(a) of quinuclidinium ions) ...
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(2005)Aqueous or ethanol infusions of Azorella compacta (llareta) in common with many other plants have been used as antidiabetic in the popular medicine in the altiplanic region of Chile. In order to determine if the diterpenic ...
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(Universidad de Chile, 2015)En minería es cada vez más recurrente el desarrollo de operaciones a mayores profundidades. En particular, en la minería subterránea masiva explotada por el método de Block/Panel caving esto genera como consecuencia grandes ...
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(2011)The expression of phenotypically plastic traits in prey organisms, triggered by changes in the abundance of their predators, is customarily assumed to involve costs in some fitness components such as fecundity, growth or ...
