979 resultados para Practice as Curricular Component
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Mestrado em Educação Pré-Escolar
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Mestrado em Educação Pré-Escolar
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Mestrado em Educação Pré-Escolar e Ensino do 1.º Ciclo do Ensino Básico
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Relatório de Estágio para obtenção do grau de Mestre em Engenharia Civil na Área de Especialização em Edificações
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Timeliness guarantee is an important feature of the recently standardized IEEE 802.15.4 protocol, turning it quite appealing for Wireless Sensor Network (WSN) applications under timing constraints. When operating in beacon-enabled mode, this protocol allows nodes with real-time requirements to allocate Guaranteed Time Slots (GTS) in the contention-free period. The protocol natively supports explicit GTS allocation, i.e. a node allocates a number of time slots in each superframe for exclusive use. The limitation of this explicit GTS allocation is that GTS resources may quickly disappear, since a maximum of seven GTSs can be allocated in each superframe, preventing other nodes to benefit from guaranteed service. Moreover, the GTS may be underutilized, resulting in wasted bandwidth. To overcome these limitations, this paper proposes i-GAME, an implicit GTS Allocation Mechanism in beacon-enabled IEEE 802.15.4 networks. The allocation is based on implicit GTS allocation requests, taking into account the traffic specifications and the delay requirements of the flows. The i-GAME approach enables the use of one GTS by multiple nodes, still guaranteeing that all their (delay, bandwidth) requirements are satisfied. For that purpose, we propose an admission control algorithm that enables to decide whether to accept a new GTS allocation request or not, based not only on the remaining time slots, but also on the traffic specifications of the flows, their delay requirements and the available bandwidth resources. We show that our approach improves the bandwidth utilization as compared to the native explicit allocation mechanism defined in the IEEE 802.15.4 standard. We also present some practical considerations for the implementation of i-GAME, ensuring backward compatibility with the IEEE 801.5.4 standard with only minor add-ons. Finally, an experimental evaluation on a real system that validates our theoretical analysis and demonstrates the implementation of i-GAME is also presented
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Relatório Final de Estágio apresentado à Escola Superior de Dança, com vista à obtenção do grau de Mestre em Ensino de Dança.
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Purpose: Evaluate the type of breast compression (gradual or no gradual) that provides less discomfort to the patient. Methods and Materials: The standard projections were simulated [craniocaudal/(CC) and mediolateral-oblique/(MLO)] with the two breast compressions in 90 volunteers women aged between 19 and 86. The women were organised in groups according to the breast density. The intensity of discomfort was evaluated using the scale that have represented several faces (0-10) proposed by Wong Baker in the end of each simulation. It was also applied an interview using focus group to debate the score that were attributed during pain evaluation and to identify the criteria that were considered to do the classification. Results: The women aged between 19-29y (with higher breast density) classified the pain during no gradual compression as 4 and the gradual compression as 2 for both projections. The MLO projection was considered the most uncomfortable. During the focus group interview applied to this group was highlighted that compression did not promoted pain but discomfort. They considered that the high expectations of pain did not correspond to the discomfort that they felt. Similar results were identified for the older women (30-50y; > 50y). Conclusion: The radiographers should considerer the technique for breast compression. The gradual compression was considered for the majority of the women as the most comfortable regardless of breast density. The MLO projection was considered as uncomfortable due to the positioning (axila and inclusion of pectoral muscle) and due to the higher breast compression compared to the CC projection.
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Mestrado em Ensino Precoce do Inglês
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OBJECTIVE To understand the job function of caregivers of older adults and contribute to the debate on the consolidation of this professional practice. METHODOLOGICAL PROCEDURES This is a descriptive, qualitative, and exploratory study. Four focal group sessions were performed in 2011 with 11 elderly companions, formal caregivers of older adults in the Programa Acompanhante de Idosos (Program for Caregivers of Older Adults), Sao Paulo, SP, Southeastern Brazil. These sessions, guided by a semi-structured script, were audio-recorded and fully transcribed. Data were analyzed using the Content Analysis technique, Thematic Modality. RESULTS In view of considering the caregivers of older adults as a new category of workers, it was difficult to define their duties. The elderly companions themselves as well as the care receivers, their families, and the professionals that comprised the team were unclear about their duties. The professional practice of these formal caregivers has been built on the basis of constant discussions and negotiations among them and other team members in Programa Acompanhante de Idosos during daily work. This was achieved via a recognition process of their job functions and by setting apart other workers’ exclusive responsibilities. CONCLUSIONS The delimitation of specific job functions for elderly companions is currently one of the greatest challenges faced by these workers to develop and consolidate their professional role as well as improve Programa Acompanhante de Idosos.
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Dissertation presented for the PhD Degree in Education Science – Curricular Theory and Science Teaching, by Universidade Nova de Lisboa, Faculdade de Ciências e Tecnologia
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Uma grande parte do tempo de uma organização é despendida em atividades que não criam qualquer tipo de valor. Este tipo de atividades são consideradas como desperdícios, pois consomem recursos e tempo, como é o caso de deslocações, controlos, ajustes, armazenamento de materiais, resolução de problemas, entre tantos outros, levando a um elevado custo dos produtos disponibilizados. Em 1996 a designação de Lean Thinking foi usada, pela primeira vez, por Womack e Jones, onde é falada como uma filosofia de gestão, que tem como principal objetivo reduzir os desperdícios num processo produtivo. Reduzindo os desperdícios aumenta-se a qualidade e diminui-se os tempos de processamento e, consequentemente, os custos de produção. É nesta base que assenta o documento aqui presente, que tem o objetivo de criar e desenvolver um jogo de simulação onde seja possível aplicar várias ferramentas Lean. O jogo de simulação é uma continuação de uma pesquisa e estudo teórico de um aluno de erasmus e faz parte de um projeto internacional do Lean Learning Academy (LLA). Criou-se um processo produtivo de montagem de canetas que fosse o mais semelhante ao que se encontram nas empresas, com todos os acessórios para o pleno funcionamento da simulação, como é o caso de instruções de montagem, procedimentos de controlo e ordens de produção, para assim posteriormente ser possível analisar os dados e as dificuldades encontradas, de modo a aplicar-se as ferramentas Lean. Apesar de serem abordadas várias ferramentas Lean neste trabalho, foram trabalhadas mais detalhadamente as seguintes: - Value Stream Mapping (VSM); - Single Minute Exchange of Dies (SMED); - Balanceamento da linha. De modo a ser percetível o conteúdo e as vantagens das três ferramentas Lean mencionadas no trabalho, estas foram aplicadas e simuladas, de forma a existir uma componente prática no seu estudo, para mais fácil compreensão e rápida aprendizagem.
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Dissertation submitted in partial fulfilment of the requirements for the Degree of Master of Science in Geospatial Technologies
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Relatório da Prática Profissional Supervisionada Mestrado em Educação Pré-Escolar
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Apresenta-se o trabalho realizado na oficina de formação Língua e literacia nos primeiros anos de escolaridade. A oficina de formação favoreceu o trabalho colaborativo entre educadores de infância e professores do 1º ciclo, do mesmo agrupamento, e implicou os docentes em diálogo e análise de propostas de trabalho em conjunto para promover a reflexão e o questionamento crítico de práticas, crenças e pressupostos acerca da atuação em sala de aula. Ao centrar a discussão sobre as crianças, o seu trabalho e as suas potencialidades, fez emergir um novo contexto epistémico na escola e nas salas de aula.