Browsing by Issue Date, starting with "2008-10"
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- Confissão trinitária e antropologia relacional em Santo AgostinhoPublication . Rosa, José Maria SilvaA exegese relacional das teofanias trinitárias do Antigo Testamento, realizada nos primeiros quatro livros de De Trinitate, e a superação do dilema eunomiano quanto à natureza de Deus (ou a substância ou a relação), realizada nos livros V a VII, apesar de terem criado as condições de possibilidade de uma ontologia da relação, acabaram por se revelar frágeis quanta à natureza da pessoa («quid tres?»). De facto, a cerrada discussão terminológica em torno das noções de substância e de relação acabou por exigir uma noção - a pessoa - que as sobre-assumisse. Todavia, em virtude da distância entre o 'homem e Deus', tal noção em âmbito trinitário tem apenas um valor aproximativo.
- Overview of Progress in Smart-Clothing for Health Monitoring and Sport ApplicationsPublication . Borges, Luís M.; Rente, Andreia; Velez, Fernando José; Salvado, Luísa R.; Lebres, António S.Smart-Clothing is a project that combines research in textiles materials and wireless sensor and actuator networks in the context of human body monitoring with statistical methods for the data analysis and treatment. This project aims mainly to aid in the monitoring of the foetal movement in the last four weeks of pregnancy. Besides the integration of sensors in the garment there will be needed a hierarchical communication system that allows the delivery of the data collected from the garment that the pregnant is wearing to the doctor. The pregnant can be either at home or in the hospital. In the first stage of the project tests are being made using several types of sensors integrated in a belt in order to choose the one that is more reliable for the detection of foetal movement. Another sensing task is the manufacture of the electrodes for the electrocardiogram (ECG) system. At this point, the electrodes for the ECG are already made and working. The testing of the sensor for the detection of foetal movement is still being done.
- Longitudinal dispersion in a horizontal subsurface flow constructed wetland: a numerical solutionPublication . Araújo, A.; Sousa, Ercilia; Albuquerque, AntonioWe present a numerical solution for the dead zone model which describes the solute transport in a subsurface and horizontal flow constructed wetland. This model is a system of two mass balance equations for two conceptual areas: the main channel and the storage zone. We use finite difference schemes to determine the numerical solution of the system and we study its convergence by presenting properties related to the stability and accuracy of the schemes. Concerning the experimental results, the magnitude of the longitudinal dispersion and the extension of dead volumes is estimated for clean conditions and after a certain operating period under organic loading conditions. The results showed a considerable amount of longitudinal dispersion through the bed, which was very strong near the feeding point, indicating the occurrence of mixing and significant presence of dead zones and short-circuiting.