Browsing by Title Facultad de Ciencias
Now showing items 7300-7319 of 8186
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(2003)We analysed the residual resistivity data for more than 40 films of COSi2 reported by different groups using the available quantum theories of size effects in metal films. We found that the predictions of the model of ...
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(1999)We report an extension of the theory of Sheng, Xing and Wang (SXW) (Sheng L, Xing D Y and Wang Z D 1995 Phys. Rev. B 51 7325), which permits the calculation of size effects from the statistical properties that characterize ...
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(2002)We have extended the modified formalism of Sheng, Xing, and Wang [J. Phys.: Condens. Matter 11 L299 (1999)] to allow the calculation of the conductivity of a thin metallic film bounded by a rough fractal surface. We utilized ...
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(2002)We have extended the modified formalism of Sheng, Xing, and Wang [J. Phys.: Condens. Matter 11 L299 (1999)] to allow the calculation of the conductivity of a thin metallic film bounded by a rough fractal surface. We utilized ...
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(1999)We performed in situ experiments during the summer of 1995 and 1996 to assess the potential effect of solar ultraviolet B (UVB) radiation (290-320 nm) on the survival of Cyclops abyssorum tatricus Kozminski and Boeckella ...
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(Universidad de Chile., 2018)La Septicemia Rickettsial Salmonídea (SRS) es una enfermedad que afecta a las especies salmónidas, causada por la bacteria Piscirickettsia salmonis, y que causa pérdidas de millones de dólares en la industria salmonera ...
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(Universidad de Chile., 1984)Esta tesis consiste en poner en funcionamiento la técnica experimental para medir susceptibilidades magnéticas al variar la temperatura.
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(Pontificia Universidad Catolica de Chile, Facultad de Agronomia e Ingenieria Forestal, 2018)Canes obtained from one-year-old stems of the grapevine cultivars Cabernet Franc, Malbec, Merlot, Sauvignon Blanc and Syrah (all non-grafted) were used as models to test their susceptibility to Diplodia seriata and ...
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(1973)We have investigated the susceptibility of the Mattis Hamiltonian by means of Green's-function techniques and using a functional-integral formulation. It turns out that it is not possible to obtain an exact solution for ...
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(Universidad de Chile, 2017)El sistema nacional de investigación posee financiamiento a través de fondos concursables principalmente individuales como los proyectos FONDECYT y proyectos colaborativos (entre distintas instituciones de educación superior ...
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(2004)An effective method for controlling nonlinear switching of discrete solitons in arrays of weakly coupled optical waveguides was discussed. The key ideas of the array engineering by means of a steplike variation of the ...
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(Kluwer Academic Publishers, 2014)A genome of a living organism consists of a long string of symbols over a finite alphabet carrying critical information for the organism. This includes its ability to control post natal growth, homeostasis, adaptation to ...
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(American Chemical Society, 2012)Nonlocal exchange-correlation energy functionals are constructed using the accurate model exchange-correlation hole for the uniform electron gas developed by Gori-Giorgi and Perdew. The exchange-correlation hole is constrained ...
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(Società Italiana di Fisica, 1987)We introduce a new definition of symmetry transformations in quantum mechanics which contains the textbook definition as a special case. We find several conserved quantities associated with one (nonunitary) symmetry ...
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(2010)In this report, we explore the matching of structures to functional needs by comparing previously reported data of maximal oxygen consumption and the development of the lung in the leaf-eared mouse Phyllotis darwini in ...
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(Editura Stiintifica F. M. R., 1998)We report the syntheses and structural aspects of cyclodextrin host-guest inclusion compounds containing linear secondary alkylamines (dipropyl, dibutyl, dipentyl, dihexyl, and dioctyl) at 25°C. Elemental analysis, C CP-MAS ...
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(1988)p-Phenylene and p-biphenylene-bridged methylated cyclopentadienyl rings were prepared. Reaction of the dilithio salts of the ligands with (η5-C5Me5)Fe(acac) provides cleanly ferrocenes bridged by p-phenylene and p-biphenylene ...
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(Frontiers Media SA., 2018-05-15)Microbes are suitable candidates to recover and decontaminate different environments from soluble metal ions, either via reduction or precipitation to generate insoluble, non-toxic derivatives. In general, microorganisms ...
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(Elsevier, 2013)Some synthetic 1-azabenzanthrones (7H-dibenzo[de,h]quinolin-7-ones) are weakly to moderately cytotoxic, suggesting that they might also show antiparasitic activity. We have now tested a small collection of these compounds ...
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(Verlag der Zeitschrift fur Naturforschung, 2009)Tetrahydroquinoline (1), prepared by a traditional synthetic method, the imino Diels-Alder reaction, was biotransformed by Mortierella isabelina to afford a new compound, 2, characterized by spectroscopic methods. © 2009 ...