1000 resultados para 11022328 CTD-001


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El presente trabajo tiene como objetivo mostrar los efectos del acto legislativo 01 de 2003, en las elecciones a la Cámara de Representantes de 2006 en el Departamento de Antioquia. Esto con el fin de mostrar el comportamiento de los partidos y movimientos políticos antes y después de entrar en vigencia la reforma. El objetivo principal de la investigación es identificar y entender la cotidianidad y las prácticas políticas a las que los partidos tradicionales y las nuevas organizaciones estaban acostumbradas después de la constitución de 1991. Estas reglas de juego planteadas por las Constitución Política, cambiaron el panorama político tanto para los partidos tradicionalistas, como para las nuevas organizaciones que querían y reclamaban reconocimiento, participación y poder. Reglas que se transformaron con la reforma política, y específicamente con el Acto legislativo 01 de 2003, cambiando el escenario político y por ende el comportamiento electoral.

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Materials and links related to staff workshop on using EdShare.

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Se presentan las principales fases del proyecto de implantación de un sistema de gestión ambiental de acuerdo con al normativa española, en el IES Ramón y Cajal de Valladolid. En una primera fase se procede al diagnóstico ambiental inicial y a la formación por objetivos y áreas de trabajo de los grupos establecidos. A continuación, se procede a la elaboración de la documentación necesaria, entre ella, la política ambiental del IES, y la implantación del sistema. La fase de seguimiento del sistema se realiza a través de auditorías internas y revisiones por parte de la dirección. Finalmente, se obtiene la certificación de la norma por parte de SGS.

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El presente trabajo pretende mostrar de manera objetiva y técnica, las motivaciones, contenidos y demás elementos de sustento utilizados por la Corte Constitucional ecuatoriana en el control abstracto de inconstitucionalidad por omisión normativa. Previo el análisis de la sentencia se presentan conceptos relativos al control de constitucionalidad por omisión en el derecho comparado y en la doctrina, además se hace un breve recorrido histórico del aparecimiento de la mencionada institución jurídica. Finalmente, se revisa la sentencia en cada una de sus partes y se van describiendo los aspectos más relevantes y conflictivos.

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This paper aims to analyze the decision issued by the Constitutional Court for Transition within the unconstitutionality presented against the Mining Act. Proponents, in the main, formal allege unconstitutional by the Mining Law have been issued by the Committee on Legislation and Oversight (National Assembly during the Transitional Period after the adoption of the 2008 Constitution) without the prior execution of a legislative pre query, this query being a collective right of national, indigenous peoples and communities recognized in Article 57 paragraph 17 of the Constitution of the Republic. The Constitutional Court ruled Transition to reject the unconstitutionality confirming the constitutionality of the regulatory body and the substantial and non-formal pre-legislative consultation.

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We have investigated the (001) surface structure of lithium titanate (Li2TiO3) using auger electron spectroscopy (AES), low-energy electron diffraction (LEED), and scanning tunneling microscopy (STM). Li2TiO3 is a potential fusion reactor blanket material. After annealing at 1200 K, LEED demonstrated that the Li2TiO3(001) surface was well ordered and not reconstructed. STM imaging showed that terraces are separated in height by about 0.3 nm suggesting a single termination layer. Moreover, hexagonal patterns with a periodicity of ∼0.4 nm are observed. On the basis of molecular dynamics (MD) simulations, these are interpreted as a dynamic arrangement of Li atoms.

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The abundance of heavy r-elements may provide a better understanding of the r-process, and the determination of several reference r-elements should allow a better determination of a star`s age. The space UV region (lambda < 3000 angstrom) presents a large number of lines of the heavy elements, and in the case of some elements, such as Bi, Pt, Au, detectable lines are not available elsewhere. The extreme ""r-process star"" CS 31082-001 ([Fe/H] = -2.9) was observed in the space UV to determine abundances of the heaviest stable elements, using STIS on board Hubble Space Telescope.

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Hybrid reflections (HRs) involving substrate and layer planes (SL type) [Morelhao et al., Appl. Phys. Len. 73 (15), 2194 (1998)] observed in Chemical Beam Epitaxy (CBE) grown InGaP/GaAs(001) structures were used as a three-dimensional probe to analyze structural properties of epitaxial layers. A set of (002) rocking curves (omega-scan) measured for each 15 degrees in the azimuthal plane was arranged in a pole diagram in phi for two samples with different layer thicknesses (#A -58 nm and #B - 370 nm) and this allowed us to infer the azimuthal epilayer homogeneity in both samples. Also, it was shown the occurrence of (1 (1) over bar3) HR detected even in the thinner layer sample. Mappings of the HR diffraction condition (omega:phi) allowed to observe the crystal truncation rod through the elongation of HR shape along the substrate secondary reflection streak which can indicate in-plane match of layer/substrate lattice parameters. (C) 2009 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

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The magnetic properties of Co nanostructures and a Co monolayer on W(001) have been studied in the framework of density functional theory. Different geometries such as planar and three-dimensional clusters have been considered, with cluster sizes varying between 2 and 13 atoms. The calculations were performed using the real-space linear muffin-tin orbital method (RS-LMTO-ASA). With respect to the stability of the magnetic state, we predict an antiferromagnetic (AFM) structure for the ground state of the planar Co clusters and a ferromagnetic (FM) state for the three-dimensional clusters. For the three-dimensional clusters, one of the AFM arrangements leads to frustration due to the competing FM and AFM exchange interactions between different atoms in the cluster, and gives rise to a non-collinear state with energy close to that of the FM ground state. The relative role of the Co-Co and Co-W exchange interactions is also investigated. (C) 2007 Elsevier B.V. All rights reserved.

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In this work the interaction of cyclopentene with a set of InP(001) surfaces is investigated by means of the density functional theory. We propose a simple approach for evaluating the surface strain and based on it we have found a linear relation between bond and strain energies and the adsorption energy. Our results also indicate that the higher the bond energy, the more disperse the charge distribution is around the adsorption site associated to the high occupied state, a key feature that characterizes the adsorption process. Different adsorption coverages are used to evaluate the proposed equation. Our results suggest that the proposed approach might be extended to other systems where the interaction of the semiconductor surface and the molecule is restricted to first neighbor sites. (C) 2011 Elsevier B.V. All rights reserved.

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In this work we employ the state-of-the-art pseudopotential method, within a generalized gradient approximation to the density functional theory, combined with a recently developed method for the calculation of HREELS spectra to study a series of different proposed models for carbon incorporation on the silicon (001) surface. A fully discussion on the geometry, energetics and specially the comparison between experimental and theoretical STM images and electron energy loss spectra indicate that the Si(100)-c(4 x 4) is probably induced by Si-C surface dinners, in agreement with recent experimental findings. (C) 2009 Elsevier B.V. All rights reserved.

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In this work we employ the state of the art pseudopotential method, within a generalized gradient approximation to the density functional theory, to investigate the adsorption process of furan on the silicon (001) surface. A direct comparison of different adsorption structures with x-ray photoelectron spectroscopy (XPS), ultra-violet photoelectron spectroscopy (UPS), high resolution electron energy loss spectroscopy (HREELS), near edge x-ray absorption fine structure (NEXAFS), and high resolution spectroscopy experimental data allows us to identify the [4 + 2] cycloaddition reaction as the most probable adsorbate. In addition, theoretical scanning tunnelling microscopy (STM) images are presented, with a view to contributing to further experimental investigations.

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Dissertação apresentada ao Programa de Pós-graduação em Administração da Universidade Municipal de São Caetano do Sul

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)