8 resultados para Fitness decoupling

em Universidade do Minho


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Relatório de estágio de mestrado em Ensino de Educação Física nos Ensinos Básico e Secundário

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Relatório de estágio de mestrado em Ensino de Educação Física nos Ensinos Básico e Secundário

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Relatório de estágio de mestrado em Ensino de Educação Física nos Ensinos Básico e Secundário

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In this paper, we propose an extension of the firefly algorithm (FA) to multi-objective optimization. FA is a swarm intelligence optimization algorithm inspired by the flashing behavior of fireflies at night that is capable of computing global solutions to continuous optimization problems. Our proposal relies on a fitness assignment scheme that gives lower fitness values to the positions of fireflies that correspond to non-dominated points with smaller aggregation of objective function distances to the minimum values. Furthermore, FA randomness is based on the spread metric to reduce the gaps between consecutive non-dominated solutions. The obtained results from the preliminary computational experiments show that our proposal gives a dense and well distributed approximated Pareto front with a large number of points.

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Aplicando Modelos de Equações Estruturais pretendeu-se avaliar os efeitos da teoria do comportamento planeado (TPB) na explicação do comportamento de exercício físico, mediada por um conjunto de variáveis psicológicas relacionadas com o modelo transteórico (TTM), o modelo de ação na saúde (HAPA) e as experiências subjetivas de exercício (SEE). O modelo teórico proposto foi avaliado numa amostra de 454 participantes que praticavam exercício num centro de fitness.

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Dissertação de mestrado em Design e Marketing

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Dissertação de mestrado em Plant Molecular Biology, Biotechnology and Bioentrepreneurship

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Recently it was demonstrated that for urinary tract infections species with a lower or unproven pathogenic potential, such as Delftia tsuruhatensis and Achromobacter xylosoxidans, might interact with conventional pathogenic agents such as Escherichia coli. Here, single- and dual-species biofilms of these microorganisms were characterized in terms of microbial composition over time, the average fitness of E. coli, the spatial organization and the biofilm antimicrobial profile. The results revealed a positive impact of these species on the fitness of E. coli and a greater tolerance to the antibiotic agents. In dual-species biofilms exposed to antibiotics, E. coli was able to dominate the microbial consortia in spite of being the most sensitive strain. This is the first study demonstrating the protective effect of less common species over E. coli under adverse conditions imposed by the use of antibiotic agents.