871 resultados para Universal behaviors
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Tres revoluciones. Hace sólo 550 años del libro impreso y ha marcado a la Humanidad multiplicando estratosféricamente la difusión del conocimiento. En la tercera es en la que estamos, aunque tendemos a exagerar diciendo que cada 2, 3 o 5 años hay una revolución tecnológica.
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Los países más desarrollados realizan crecientemente sus actividades bajo la forma de una sociedad de la información, que puede ser al mismo tiempo el embrión de una sociedad del conocimiento.
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Vivimos momentos de gran apelación verbal a principios éticos, (hay dinero ético y fondos de inversión éticos para tranquilizar la conciencia de vivir en sociedades de comportamiento poco ético) pero los hechos muestran que son malos tiempos para la ética (parafraseando la canción del grupo gallego Golpes Bajos, con el cantante Germán Coppini).
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The classical theory of intermittency developed for return maps assumes uniform density of points reinjected from the chaotic to laminar region. Though it works fine in some model systems, there exist a number of so-called pathological cases characterized by a significant deviation of main characteristics from the values predicted on the basis of the uniform distribution. Recently, we reported on how the reinjection probability density (RPD) can be generalized. Here, we extend this methodology and apply it to different dynamical systems exhibiting anomalous type-II and type-III intermittencies. Estimation of the universal RPD is based on fitting a linear function to experimental data and requires no a priori knowledge on the dynamical model behind. We provide special fitting procedure that enables robust estimation of the RPD from relatively short data sets (dozens of points). Thus, the method is applicable for a wide variety of data sets including numerical simulations and real-life experiments. Estimated RPD enables analytic evaluation of the length of the laminar phase of intermittent behaviors. We show that the method copes well with dynamical systems exhibiting significantly different statistics reported in the literature. We also derive and classify characteristic relations between the mean laminar length and main controlling parameter in perfect agreement with data provided by numerical simulations
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Letras iniciales con viñetas y frisos tip. decorativos
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A 3-year Project financed by the European Commission is aimed at developing a universal system to de-orbit satellites at their end of life, as a fundamental contribution to limit the increase of debris in the Space environment. The operational system involves a conductive tapetether left bare to establish anodic contact with the ambient plasma as a giant Langmuir probe. The Project will size the three disparate dimensions of a tape for a selected de-orbit mission and determine scaling laws to allow system design for a general mission. Starting at the second year, mission selection is carried out while developing numerical codes to implement control laws on tether dynamics in/off the orbital plane; performing numerical simulations and plasma chamber measurements on tether-plasma interaction; and completing design of subsystems: electronejecting plasma contactor, power module, interface elements, deployment mechanism, and tether-tape/end-mass. This will be followed by subsystems manufacturing and by currentcollection, free-fall, and hypervelocity impact tests.
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Port. con esc. xil
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La Declaración Universal de los Derechos Urbanos es un proyecto hermano de UrbanLeaks, desarrollado por zuloark.
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Segundo imp. tomado de colofón
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Texto fechado : "Real Isla de Leon 24 de Setiembre de 1810"
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Índice a dos col
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Índice a dos col