The fast evolution of mobile computing equipment and the consequent raising mobility requirements has been the major drive of research in Wireless Local Area Networks. WLANs distinguishes from cabled networks at physical layer and MAC layer. This paper focus aspects of both layers: it presents transmissions technologies and discusses the requirements of a MAC (Medium Access Co...
In this study, it was investigated: 1) the b-adrenoceptor (AR) subtypes involved in the altered vascular reactivity induced by overactivation of b-AR using b1- or b2-adrenoceptor knock-out mice and respective wild-types treated for 7 days with isoproterenol or with vehicle; 2) gene and protein expression of vascular inflammatory mediators in aorta from 7-day isoproterenol-treated rats. In conclusion, the data s...
This research focuses on the relationship between theory and pedagogical practice, more specifically the so called Socio-Historical Psychology. Such study aims at bridging the gap between socio-historical theory, based on Vygotskys works, and Education, field of studies and practices, to verify how a college professor reflects upon this theory to analyze her own practice. To achieve this goal, a research method...
The main goal of this study was to investigate how the social support network and the resilience process work on the promotion and maintaining of psychological well-being (PWB) in elderly people who face adversity. The adversity situations analyzed were stressful life events and ageism. Thus it was aimed to identify potential risks and protection factors that may influence human development. Stressful life even...
Na presente comunicação são analisados os procedimentos cadastrais de imóveis, existentes em Portugal, a saber: o cadastro predial, a matriz predial e o registo predial. Para cada uma destas três bases de informação imobiliária é analisada a informação que detém relativamente a cada imóvel ou prédio, os objectivos a que se destina e o estado de desenvolvimento em que se encontra. É dado ênfase à necessidade de ...
A presente comunicação descreve os três principais métodos de avaliação imobiliária existentes que são o Método de Comparação, o Método do Rendimento e o Método do Custo. A partir de dados com valores de transacções de imóveis para habitação, cujo acesso foi autorizado pelo Instituto Nacional de Estatística (INE), fazem-se várias análises estatísticas comparativas de valores de mercado (preço por metro quadrado...
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