14 resultados para grounded theorizing

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 Inglês e de Espanhol no 3º Ciclo do Ensino Básico e no Ensino Secundário

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Tese de Doutoramento em Ciências da Educação - Especialidade em Política Educativa

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Tese de Doutoramento em Estudos da Criança (área de especialização em Educação Musical).

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Tese de Doutoramento em Tecnologias e Sistemas de Informação.

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Tese de Doutoramento em Tecnologias e Sistemas de Informação

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Liver diseases have severe patients’ consequences, being one of the main causes of premature death. These facts reveal the centrality of one`s daily habits, and how important it is the early diagnosis of these kind of illnesses, not only to the patients themselves, but also to the society in general. Therefore, this work will focus on the development of a diagnosis support system to these kind of maladies, built under a formal framework based on Logic Programming, in terms of its knowledge representation and reasoning procedures, complemented with an approach to computing grounded on Artificial Neural Networks.

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Este estudo procurou compreender as experiências das mães que regressam ao trabalho após o término da licença parental, com a finalidade de poder contribuir para a melhoria da qualidade dos cuidados de enfermagem prestados à família nesta etapa de transição no exercício da parentalidade. Foi realizado com recurso ao referencial metodológico da Grounded Theory, com a participação de cinco pais e cinco mães (casais), profissionalmente ativos, com idades compreendidas entre os 26 e 33 anos e com filho nascido de termo e saudável; recolha de dados através de entrevistas semiestruturadas (total de 30 entrevistas), antes e após o reinício da atividade laboral materna. Os resultados explanam a difícil e desafiadora coexistência de papéis desempenhados pela mulher trabalhadora quando se torna mãe e retratam o sofrimento vivido pela mãe por não poder estar constantemente com o filho ao retomar a atividade profissional, finda a licença parental. Desafiam os enfermeiros a dinamizarem estratégias que facilitem e promovam a saúde das mães trabalhadoras, com orientação antecipatória sobre as realidades do retorno ao trabalho no pós-parto.

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tThe main purpose of this work is to present and to interpret the change of electrical properties of TaxNyOzthin films, produced by DC reactive magnetron sputtering. Some parameters were varied during deposi-tion: the flow of the reactive gases mixture (N2and O2, with a constant concentration ratio of 17:3); thesubstrate voltage bias (grounded, −50 V or −100 V) and the substrate (glass, (1 0 0) Si or high speed steel).The obtained films exhibit significant differences. The variation of the deposition parameters inducesvariations of the composition, microstructure and morphology. These differences cause variation of theelectrical resistivity essentially correlated with the composition and structural changes. The gradualdecrease of the Ta concentration in the films induces amorphization and causes a raise of the resistivity.The dielectric characteristics of some of the high resistance TaxNyOzfilms were obtained in the sampleswith a capacitor-like design (deposited onto high speed steel, with gold pads deposited on the dielectricTaxNyOzfilms). Some of these films exhibited dielectric constant values higher than those reported forother tantalum based dielectric films.

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Tantalum oxynitride thin films were produced by magnetron sputtering. The films were deposited usinga pure Ta target and a working atmosphere with a constant N2/O2ratio. The choice of this constant ratiolimits the study concerning the influence of each reactive gas, but allows a deeper understanding of theaspects related to the affinity of Ta to the non-metallic elements and it is economically advantageous.This work begins by analysing the data obtained directly from the film deposition stage, followed bythe analysis of the morphology, composition and structure. For a better understanding regarding theinfluence of the deposition parameters, the analyses are presented by using the following criterion: thefilms were divided into two sets, one of them produced with grounded substrate holder and the otherwith a polarization of −50 V. Each one of these sets was produced with different partial pressure of thereactive gases P(N2+ O2). All the films exhibited a O/N ratio higher than the N/O ratio in the depositionchamber atmosphere. In the case of the films produced with grounded substrate holder, a strong increaseof the O content is observed, associated to the strong decrease of the N content, when P(N2+ O2) is higherthan 0.13 Pa. The higher Ta affinity for O strongly influences the structural evolution of the films. Grazingincidence X-ray diffraction showed that the lower partial pressure films were crystalline, while X-rayreflectivity studies found out that the density of the films depended on the deposition conditions: thehigher the gas pressure, the lower the density. Firstly, a dominant -Ta structure is observed, for lowP(N2+ O2); secondly a fcc-Ta(N,O) structure, for intermediate P(N2+ O2); thirdly, the films are amorphousfor the highest partial pressures. The comparison of the characteristics of both sets of produced TaNxOyfilms are explained, with detail, in the text.

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Dissertação de mestrado integrado em Engenharia e Gestão de Sistemas de Informação

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Relatório de estágio de mestrado em Ciências de Comunicação (área de especialização em Informação e Jornalismo)

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Endometriosis is a chronic condition affecting 10 to15% of women in childbearing age. Understanding the impact of this disease on women’s well-being is still a challenge, namely to intervene. Pain is the most current and troublesome symptom. Although medical treatments for pain relief are effective, recurrence rate remains significant, calling for a better understanding and development of new approaches for pain management. A group Cognitive Behavioral Therapy (CBT) for management of associated co-morbidities is suggested, paying special attention to Chronic Pelvic Pain (CPP). CBT design can be grounded on information collected from focus groups and a one-group exploratory trial. Evaluation of therapy effectiveness is possible to be performed by comparing group CBT to Usual Care (UC) and Support Group (SG) in a randomized controlled trial. Research in this area could represent an important step in providing a solution to the management of endometriosis and, to the best of our knowledge, the first national psychological approach for its understanding and treatment.

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Dissertação de mestrado integrado em Arquitectura (área de especialização em Território)