982 resultados para Reinaldo Arenas
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Wireless communications had a great development in the last years and nowadays they are present everywhere, public and private, being increasingly used for different applications. Their application in the business of sports events as a means to improve the experience of the fans at the games is becoming essential, such as sharing messages and multimedia material on social networks. In the stadiums, given the high density of people, the wireless networks require very large data capacity. Hence radio coverage employing many small sized sectors is unavoidable. In this paper, an antenna is designed to operate in the Wi-Fi 5GHz frequency band, with a directive radiation pattern suitable to this kind of applications. Furthermore, despite the large bandwidth and low losses, this antenna has been developed using low cost, off-the-shelf materials without sacrificing quality or performance, essential to mass production. © 2015 EurAAP.
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The aim of this article is to analyse those situations in which learning and socialisation take place within the context of the Common Foreign and Security Policy (CFSP), in particular, at the level of experts in the Council Working Groups. Learning can explain the institutional development of CFSP and changes in the foreign policies of the Member States. Some scope conditions for learning and channels of institutionalisation are identified. Socialisation, resulting from learning within a group, is perceived as a strategic action by reflective actors. National diplomats, once they arrive in Brussels, learn the new code of conduct of their Working Groups. They are embedded in two environments and faced with two logics: the European one in the Council and the national one in the Ministries of Foreign Affairs (MFA). The empirical evidence supports the argument that neither rational nor sociological approaches alone can account for these processes.
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A passagem das mulheres do trabalho não pago para o trabalho remunerado, desde meados do século XX, como decorrência da reestruturação das economias capitalistas e, sobretudo, do crescimento do setor de serviços, acelerou o processo de desfamilização do cuidado das crianças pequenas, que vai sendo cada vez mais compartilhado com instituições públicas ou privadas. O objetivo deste artigo é examinar como funcionam alguns dos dispositivos de cuidado no Brasil, em particular a família, a legislação trabalhista e a educação infantil, privilegiando a ótica de gênero e classe social. Trata-se de compreender como tais arenas de cuidado influenciam a quantidade e a qualidade da participação das mães no mercado de trabalho.
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Este documento contiene la propuesta que la Escuela de Ciencias de la Salud, y sus grupos de investigación en Salud Pública y Rehabilitación e Integración Social de la Persona con Discapacidad, han construido con el fin de participar en la convocatoria institucional del Instituto Rosarista de Acción Social: Fines y medios de acción del instituto. Nuestra propuesta es el resultado de una serie de encuentros entre profesores y estudiantes de diferentes unidades académicas de la Universidad del Rosario. Representa el interés por ser agentes en los derroteros sociales que esta, en su calidad de institución de educación superior, promueve a través de un instituto que busca fundarse y convertirse en un recinto de pensamiento y acción, centrado en el valor del conocimiento, con sentido y utilidad en asuntos prioritarios para la sociedad. Con esta propuesta se busca dinamizar a la universidad en pleno en función del objeto de la convocatoria, pues los resultados de la investigación no dependerán de manera exclusiva de los investigadores, y en cambio favorecerán la participación de diferentes integrantes de la institución que harán del proyecto un asunto concerniente a todos.
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El presente trabajo realiza un análisis sobre los diferentes fundamentos que ante la falta de regulación legal, nuestra jurisprudencia ha invocado para atribuirle efectos retroactivos –ex tunc- o efectos a futuro –ex nunc- a las sentencias de nulidad de los actos administrativos, los cuales van desde la asimilación de éste con el acto jurídico civil, hasta la pretendida identidad del acto administrativo general con la ley, todo enmarcado dentro de lo que se ha entendido por situaciones jurídicas consolidadas. Este estudio demuestra que la retroactividad o no retroactividad, no es una condición necesaria o automática de las sentencias de nulidad de los actos administrativos, porque tal idea anula reflexiones importantes que tienen que ver con la ponderación de principios básicos como la garantía de eficacia de los derechos fundamentales, la seguridad jurídica, la justicia material, la confianza legítima y la igualdad. Se impone así entender que los efectos temporales de las sentencias no se derivan de alguna formalidad del proceso, ni de la naturaleza del acto administrativo, ni del tipo de sentencia; estos son más bien una de las herramientas para que el juez a través de la modulación en cada caso, pueda darle eficacia a su sentencia y cumplir con las obligaciones que le impone la Constitución y la ley, que no son otras que garantizar la protección de derechos fundamentales y preservar el orden jurídico.
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The existing literature on lean construction is overwhelmingly prescriptive with little recognition of the social and politicised nature of the diffusion process. The prevailing production-engineering perspective too often assumes that organizations are unitary entities where all parties strive for the common goal of 'improved performance'. An alternative perspective is developed that considers the diffusion of lean construction across contested pluralistic arenas. Different actors mobilize different storylines to suit their own localized political agendas. Multiple storylines of lean construction continuously compete for attention with other management fashions. The conceptualization and enactment of lean construction therefore differs across contexts, often taking on different manifestations from those envisaged. However, such localized enactments of lean construction are patterned and conditioned by pre-existing social and economic structures over which individual managers have limited influence. Taking a broader view, 'leanness' can be conceptualized in terms of a quest for structural flexibility involving restructuring, downsizing and outsourcing. From this perspective, the UK construction industry can be seen to have embarked upon leaner ways of working in the mid-1970s, long before the terminology of lean thinking came into vogue. Semi-structured interviews with construction sector policy-makers provide empirical support for the view that lean construction is a multifaceted concept that defies universal definition.