958 resultados para Frequência fundamental


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Four questions dominate normative contemporary constitutional theroy: What is the purpose of a constitution? What makes a constitution legitimate? What kinds of arguments are legitimate within the process of constitutional interpretation? What can make judicial review of legislation legitimate in principle? The main purpose of this text is to provide one general answer to the last question. The secondary purpose is to show how this answer may bear upon our understanding of the fundamental basis of constitutional law. These two purposes should suggest particular answers to the first three questions.

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Bien que plusieurs chercheurs aient analysé l'influence de divers facteurs sur l'intensité des conflits ethniques, il a été constaté que l'identité ethnique elle-même n'a jamais été correctement examinée. Ce phénomène est essentiellement dû à ce que nous croyons être une classification inexacte des groupes ethniques. Nous proposons une nouvelle méthode de catégorisation pour les identités ethniques présentant que la religion, la langue et la race forment les distinctions les plus précises et nous les classifions alors comme les identités ethniques fondamentales. Subséquemment, une étude comparative de ces identités ethniques a été entreprise avec l'utilisation de deux bases de données différentes: l’ensemble de données Battle Deaths qui est associé avec la base de données sur les conflits armés de l’UCDP/PRIO et la base de données Minorities at Risk. Les résultats, dans leur ensemble, ont indiqué que les identités ethniques avec des attachements émotifs plus intenses mènent à une plus grande intensité de conflit. Les conflits ethniques fondamentaux ont démontré une tendance à mener à des conflits plus intenses que les conflits ethniques non-fondamentaux. De plus, la similitude parmi les groupes ethniques tend à affaiblir l'intensité des conflits. En outre, l'étude a également conclu que plus le nombre d'identités ethnique fondamentales impliquées dans un conflit est grand, plus le conflit sera intense. Cependant, les résultats ne pouvaient pas déterminer une différence conséquente parmi l’influence relative des trois identités ethniques fondamentales.

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Tesis (Doctorado en Derecho) UANL, 2013

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Department of Applied Economics,Cochin University of Science and Technology

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Determining the morphological parameters that describe galaxies has always been a challenging task. The studies on the correlations between different photometric as well as spectroscopic parameters of the galaxies help in understanding their structure, properties of the stars and gas which constitute the galaxy, the various physical and chemical processes which determine the properties, and galaxy formation and evolution. In the last few decades, the advent of Charge Coupled Devices (CCDs) and near infrared arrays ha\·e provided quick and reliable digitized data acquisition, in the optical and near infrared bands. This has provided an avalanche of data, which can be processed using sophisticated image analysis techniques to obtain information about the morphology of galaxies. The photometric analysis performed in this thesis involve the extraction of structural parameters of early type gala.xies imaged in the near infrared K (2.2ttm) band, obtaining correlations between these, parameters and using them to constrain the large scale properties of galaxi,~s.

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The real-time dynamics of multiphoton ionization and fragmentation of molecules Na_2 and Na_3 has been studied in molecular beam experiments employing ion and electron spectroscopy together with femtosecond pump-probe techniques. Experiments with Na_2 and Na_3 reveal unexpected features of the dynamics of the absorption of several photons as seen in the one- and three-dimensional vibrational wave packet motion in different potential surfaces and in high laser fields: In Na_2 a second major resonance-enhanced multiphoton ionization (REMPI) process is observed, involving the excitation of two electrons and subsequent electronic autoionization. The possibility of controlling a reaction by controlling the duration of propagation of a wave packet on an electronically-excited surface is demonstrated. In high laser fields, the contributions from direct photoionization and from the second REMPI process to the total ion yield change, due to different populations in the electronic states participating in the multiphoton ionization (MPI) processes. In addition, a vibrational wave packet motion in the electronic ground state is induced through stimulated emission pumping by the pump laser. The 4^1 \summe^+_g shelf state of Na_2 is given as an example for performing frequency spectroscopy of highlying electronic states in the time domain. Pure wave packet effects, such as the spreading and the revival of a vibrational wave packet, are investigated. The three-dimensional wave packet motion in the Na_3 reflects the normal modes in the X and B states, and shows in addition the pseudorotational motion in the B state in real time.

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Antología de trabajos de alumnos recopilada por el autor durante más de nueve años de ejercicio docente en la asignatura de educación plástica y visual en el IES La Flota de Murcia. Se presenta la antología con una propuesta de actividades para los dos ciclos de la ESO, un resumen de las actividades realizadas en cada uno de los cuatro cursos, para terminar con una presentación en detalle de cada una de ellas..

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In this paper we examine the problem of compositional data from a different starting point. Chemical compositional data, as used in provenance studies on archaeological materials, will be approached from the measurement theory. The results will show, in a very intuitive way that chemical data can only be treated by using the approach developed for compositional data. It will be shown that compositional data analysis is a particular case in projective geometry, when the projective coordinates are in the positive orthant, and they have the properties of logarithmic interval metrics. Moreover, it will be shown that this approach can be extended to a very large number of applications, including shape analysis. This will be exemplified with a case study in architecture of Early Christian churches dated back to the 5th-7th centuries AD

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Epipolar geometry is a key point in computer vision and the fundamental matrix estimation is the only way to compute it. This article surveys several methods of fundamental matrix estimation which have been classified into linear methods, iterative methods and robust methods. All of these methods have been programmed and their accuracy analysed using real images. A summary, accompanied with experimental results, is given

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Resumen tomado de la publicaci??n

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El Renacimiento Africano de Thabo Mbeki es un discurso que liga los aspectos políticos y económicos, a través del cual Sudáfrica logra maximizar sus opciones de política exterior. Y así reinsertarse de forma efectiva en el escenario internacional como una potencia media emergente superando el pasado de aislamiento durante la época del apartheid.

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Se repasa uno de los acontecimientos fundamentales de la edad moderna en Mallorca, el episodio de las Germanies, y que nunca ha tenido un tratamiento adecuado en el aula. Se repasan las causas y hechos de este conflicto social, sus consecuencias y los principales hechos de armas acontecidos, de manera que puedan tener una utilización didáctica.