When assessing and managing a patient with optic neuritis (ON), the risk of future development of multiple sclerosis (MS) is an important issue, as this can be the first presentation of the disease. Although the presence of lesions on baseline brain MRI is the strongest predictor of MS conversion, some patients with normal imaging also develop MS. We aimed to estimate MS risk in patients with ON and a normal ba...
This article reports a modelling and experimental work on all-optical clock extraction for high bit-rate systems using self-pulsation mechanisms in semiconductor lasers at 1300 nm. External cavity DFB semiconductor lasers have been used, of both bulk and multiple quantum-well (MQW) types. ; Este artigo descreve um trabalho de modelização e realização pr...
The goal of this research was to study the effect of the substitution of wheat starch by potato starch (PS) on the performance, health and digestion of growing rabbits. Three experimental diets were formulated with 0%, 7% and 14% PS (PS0, PS7 and PS14, respectively) and similar starch contents (22% dry matter basis), proteins and fibre. The three diets were administered to three groups of 48 rabbits from weanin...
The main purpose of this work is to present and to interpret the change of structure and physical properties of tantalum oxynitride (TaNxOy) thin films, produced by dc reactive magnetron sputtering, by varying the processing parameters. A set of TaNxOy films was prepared by varying the reactive gases flow rate, using a N2/O2 gas mixture with a concentration ratio of 17:3. The different films, obtained by this p...
Comunicação oral da qual só está disponível o resumo. ; Caracterização de azeite virgem coprocessado com citrinos.
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