Browsing by Title
Now showing items 53729-53748 of 91980
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(Springer Verlagservice@springer.de, 2020)
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(American Chemical Society, 1981-11-20)The seeds of Sophora mcrcrocarpo Sm. (Fabaceae) are a promising source of edible oil (l), and contain matrine, N-methylcytisine and baptifoline (2). Glc analyses of the leaves of this species suggested that matrine is ...
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(2016)Green synthesis of nanoparticles (NPs) from plant extracts have emerged as a promising methodology for the fabrication of metallic NPs, as it involves an easy, fast, low-cost, and environmentally friendly bioprocess. In ...
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(Blackwell Publishing, 2019)Although regeneration of recalcitrant-seeded tree species can be affected by prolonged drought, especially in Mediterranean regions, little is known about the response of such species to varying site conditions. A field ...
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(Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria, España, 2020)Aim of study: Seed removal may be a determining filter for regeneration. Factors such as leaf litter, tree cover and seed density affect seed removal. This aims to assess three aspects involving on post dispersal seed ...
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(Ministerio de Agricultura Pesca y Alimentacion, 2020)
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(Copernicus Gesellschaft MBH, 2018)Pouteria splendens (A. DC.) Kuntze, the Chilean lucumo, is an endemic tree and the only member of the Sapotaceae family in Chile. It is considered an endangered species as a consequence of its restricted distribution and ...
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(SPRINGER, 2007-05)Leaf litter accumulation can have either positive, negative or neutral effects on seed germination and seedling recruitment. In montane woodlands of the Mediterranean zone of central Chile, large amounts of leaf litter ...
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(Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, 2015)Species of fleshy-fruited Myrtaceae are generally associated with humid environments and their vegetative anatomy is mainly mesophytic. Myrceugenia rufa is an endemic and rare species from arid zones of the coast of central ...
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(Elsevier, 2012)The genus Drimys is distributed in Chile from semi-arid zones to sub-Antarctic forests; there are three species of this tree, D. andina, D. confertifolia and D. winteri, the latter with varieties chilensis and winteri. ...
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(Universidad de Chile, 2008)
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(2007)Fragmentation of the Maulino forest implies significant habitat loss, as well as the modification of the microclimatic conditions of the remaining forest patches. Fragments are drier, hotter and receive more light than the ...
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Leaf traits and leaf herbivory variation between centre and north-edge populations of Drimys winteri (Universidad de Chile, 2017)
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(Universidad de Chile, 2007-01)Este estudio pretende a través de sus diferentes etapas indagar en cómo los conceptos de marketing, lealtad y satisfacción pueden orientarse y aplicarse en un terreno nunca antes explorado, nos referimos a los aparatos ...
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(Jorge Gregoire, 2002)En este trabajo se analiza la audiencia leal y la herencia que reciben los programas de noticias de la televisión chilena. El estudio considera datos del sistema People Meter para medir la audiencia leal de distintos ...
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(Universidad de Chile, 2014)El objetivo de este trabajo es modelar las dinámicas de lealtad y reputación entre clientes y un monopolista. En un contexto de incertidumbre sobre la capacidad de ofrecer un buen servicio, la firma debe optar entre cubrir ...
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(2010)The article reviews some of the problems faced by teacher education in general and in Chile specifically, and on this basis, presents the results of a study focused on the effects of six teacher education programmes on ...
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(Springer, 2021)In a context where learning mediated by technology has gained prominence in higher education, learning analytics has become a powerful tool to collect and analyse data with the aim of improving students' learning. However, ...
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(Elsevier, 2017)We use learning in an equilibrium model to explain the puzzling predictive power of the volatility risk premium ( V RP) for option returns. In the model, a representative agent fol- lows a rational Bayesian learning process ...
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(Amer Statistical Assoc, 2020)Little is known about the economic sources that may generate the abnormal returns observed in put index options. We show that the learning process followed by investors may be one such source. We develop an equilibrium ...