Browsing by Title Artículos de revistas
Now showing items 1836-1855 of 4967
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(Elsevier, 2020)This research presents the first pliosaur remains from the Upper Jurassic of the Atacama Desert, in northern Chile. Two specimens recovered from Oxfordian levels, are represented by a fragmentary mandibular ramus and by ...
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(Elsevier, 2017)Density Functional Theory (DFT) has been used to study structural and electronic properties of new compounds based on V-implanted Si and their potential as infrared photodetectors. Effects derived from the implantation of ...
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(Inst Paleobiologii Pan, 2021)We describe partial remains of a non-pterodactyloid pterosaur from Upper Jurassic levels of the Atacama Desert in northern Chile. The material includes a left humerus, a possible dorsal vertebra, and the shaft of a wing ...
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(Universidad de Tarapaca, 2017)© 2017, Universidad de Tarapaca. All rights reserved. The Variable Hawk (Geranoaetus polyosoma) is a raptor species distributed throughout Chile. In Atacama Desert it feeds particularly lizards and on a littleproportion ...
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(Inst Paleobiologii Pan, 2021)This study presents two specimens of Chimaeriformes from Upper Jurassic strata of central Chile. The material was recovered from Tithonian levels of the Baños del Flaco Formation and includes two different individuals, ...
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(EDICIONES UNIV, CONCEPCION, COMITE DE PUBLICACION, 2008)Se reporta la presencia de Xylocopa splendidula para Santiago, Chile. En Marzo de 2007, hembras fueron observadas nidificando en Acacia dealbata Link y entre diciembre 2007 y febrero 2008 fueron observadas forrajeando ...
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(UNIV AUSTRAL CHILE, FAC CIENCIAS FORESTALES, 2010-04-05)We record for the first time arboreal habits in amphibians from the temperate rainforests of southern South America. In April 2006 we collected an individual of Eupsophus calcaratus at 16 m height, in a large Eucryphia ...
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(Taylor & Francis, 2015)In this study, we report the first record of mites of the genus Leptus (Latreille, 1796) (Trombidiformes: Erythraeidae) found on the triatomine Mepraia spinolai (Maza, Gajardo and Jorg, 1940) (Hemiptera: Rudiviidae), one ...
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(Elsevier, 2020)We describe fragmentary ichthyosaur skull remains of a single individual recovered from Lower Jurassic marine strata in northern Chile. The preserved teeth display distinctive features such as a very long, robust and ...
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(Amer Physical Soc, 2016)The role of oxygen doping in CdTe is addressed by first-principles calculations. Formation energies, charge transition levels, and quasiparticle defect states are calculated within the DFT + GW formalism. The formation of ...
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(Royal Soc Chemistry, England, 2021)A theoretical study of the Mn trimer adsorbed on the noble metal surfaces Au(111) and Cu(111) is reported. The calculations were performed using first-principles methods within the density functional theory and the generalized ...
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(2012)A theoretical investigation of the adsorption of Mn single atoms and dimers on the (111) surface of Cu, Ag, and Au, within the framework of the density functional theory, is presented. First, the bulk and the clean ...
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(2002)We examined the interaction between vertical and horizontal distribution of fish larvae off Mejillones Peninsula (23°S), northern Chile, under conditions of active coastal upwelling. An oceanographic survey covered spatial ...
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(Wiley Periodicals, Inc., 2013)A new procedure is described to visualize the spatial pattern of expression of proteins and mRNAs in cryosections or whole-mounted leech, Drosophila, zebrafish, and chick embryos. Our principal contribution is in the use ...
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(Nature Publishing Group, 2017)We experimentally study a Stub photonic lattice and excite their localized linear states originated from an isolated Flat Band at the center of the linear spectrum. By exciting these modes in different regions of the ...
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(American Physical Society, 2015)We examine the effect of adding PT-symmetric gain and loss terms to quasi-one-dimensional lattices (ribbons) that possess flat bands. We focus on three representative cases: the Lieb ribbon, the kagome ribbon, and the stub ...
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(Pergamon Press Ltd., 1992-08-21)The rare dihydroquercetin 3-0-/3-0-xyloside, caryatin 7-0-/3-0-glucoside and the previously unknown 6-methoxylated flavonoid glycoside jaceidin 5-0-/3-0-glucoside were isolated from twigs of Eucryphia glutinosa where they ...
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(1982)
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(Swiss Botanical Society, 2012-11-20)In the alpine life-zone, increasingly slower and unpredictable pollination at the higher altitudes predict an increase in floral investment in strongly outcrossing, pollenlimited biotically pollinated plant species, but ...
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(2011)Floral damage can reduce flower attractiveness for pollinator service. However, the reproductive impact of flower herbivory may be contingent on a petal that is damaged. Flowers having nectar guides are expected to suffer ...