983 resultados para Downs, Anthony
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Abstract: Why do people vote?
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Abstract: Rational individual in the bureaucratic organization: comparative observations on Downs', Niskanen's and Tullock's economics of administrative decision making
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Hecho de que las diferentes administraciones no hayan utilizado dentro de sus posibilidades a la Organización Tratado de Cooperación Amazónica, como elemento idóneo y pertinente dentro de la formulación y ejecución de la política de erradicación
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Gallaborane (GaBH6, 1), synthesized by the metathesis of LiBH4 with [H2GaCl]n at ca. 250 K, has been characterized by chemical analysis and by its IR and 1H and 11B NMR spectra. The IR spectrum of the vapor at low pressure implies the presence of only one species, viz. H2Ga(μ-H)2BH2, with a diborane-like structure conforming to C2v symmetry. The structure of this molecule has been determined by gas-phase electron diffraction (GED) measurements afforced by the results of ab initio molecular orbital calculations. Hence the principal distances (rα in Å) and angles ( α in deg) are as follows: r(Ga•••B), 2.197(3); r(Ga−Ht), 1.555(6); r(Ga−Hb), 1.800(6); r(B−Ht), 1.189(7); r(B−Hb), 1.286(7); Hb−Ga−Hb, 71.6(4); and Hb−B−Hb, 110.0(5) (t = terminal, b = bridging). Aggregation of the molecules occurs in the condensed phases. X-ray crystallographic studies of a single crystal at 110 K reveal a polymeric network with helical chains made up of alternating pseudotetrahedral GaH4 and BH4 units linked through single hydrogen bridges; the average Ga•••B distance is now 2.473(7) Å. The compound decomposes in the condensed phases at temperatures exceeding ca. 240 K with the formation of elemental Ga and H2 and B2H6. The reactions with NH3, Me3N, and Me3P are also described.
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The infrared and Raman spectra of monochlorogallane and its fully deuterated isotopomer are recorded and assigned on the basis of the dimeric structures. H2Ga(μ-Cl)2GaH2 and D2Ga(μ-Cl)2GaD2, conforming to D2 symmetry. The observed frequencies are corrected for anharmonicity and fitted to a potential function in which 19 of the 33 independent force constants are refined.
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As teorias sobre a burocracia governamental e seu comportamento fornecem diferentes abordagens te??ricas e diferentes interpreta????es. A partir da tipologia de agentes burocr??ticos criada por Anthony Downs (1967), esse trabalho analisa os servidores p??blicos federais brasileiros e sua postura face ao trabalho. Com a aplica????o de question??rios a um grupo de servidores, buscou-se verificar a exist??ncia e/ou pertin??ncia dos tipos descritos como alpinistas, conservadores, defensores, militantes e homens de Estado. Os dados obtidos foram tratados pela t??cnica de an??lise de aglomerados. Os resultados encontrados apontam que a tipologia possui limites fluidos entre um perfil de burocrata e outro, acenando para a necessidade de se repensar as concep????es sobre a burocracia governamental e aprofundar os estudos.
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Revista Lusófona de Ciências Sociais
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Dissertação apresentada para cumprimento dos requisitos necessários à obtenção do grau de Mestre em Estudos Portugueses (Área de Especialização em Estudos Literários)
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The association of achondroplasia and Down’s syndrome is very rare and only five cases have been reported in the literature so far. These two genetic alterations have overlapping features such as short stature, developmental delay or hypotonia that complicate management and follow up. We report the case of a girl that is unique since she was born from a mother with achondroplasia and a healthy father. Achondroplasia was dominantly inherited from the mother but at birth she had features of Down’s syndrome as well, confirmed later by kariotype. We review her evolution regarding physical health, cognitive problems and adaptive behavior during her eight years of life. To our knowledge this is the first report of the combination of both disorders in which the achondroplasia was inherited and not a “de novo” mutation. We address the problems resulting from the additional burden of having two disorders, and how they can be improved, aiming to help others in the future to deal with these cases.
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v.62:no.5(1974)
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n.s. no.4(1980)