97 resultados para school to prison pipeline
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Pós-graduação em Educação - FFC
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Pós-graduação em Educação - FFC
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Pós-graduação em Música - IA
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Pós-graduação em Geografia - IGCE
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Pós-graduação em Educação Escolar - FCLAR
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Pós-graduação em Educação - FFC
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Pós-graduação em Saúde Coletiva - FMB
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Pós-graduação em Educação - FCT
Implicações da teoria histórico-cultural no processo de formação de professores da educação infantil
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Pós-graduação em Educação - FFC
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Pós-graduação em Música - IA
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Pós-graduação em Educação para a Ciência - FC
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The electromechanical impedance (EMI) technique has been successfully used in structural health monitoring (SHM) systems on a wide variety of structures. The basic concept of this technique is to monitor the structural integrity by exciting and sensing a piezoelectric transducer, usually a lead zirconate titanate (PZT) wafer bonded to the structure to be monitored and excited in a suitable frequency range. Because of the piezoelectric effect, there is a relationship between the mechanical impedance of the host structure, which is directly related to its integrity, and the electrical impedance of the PZT transducer, obtained by a ratio between the excitation and the sensing signals.This work presents a study on damage (leaks) detection using EMI based method. Tests were carried out in a rig water system built in a Hydraulic Laboratory for different leaks conditions in a metallic pipeline. Also, it was evaluated the influence of the PZT position bonded to the pipeline. The results show that leaks can effectively be detected using common metrics for damage detection such as RMSD and CCDM. Further, it was observed that the position of the PZT bonded to the pipes is an important variable and has to be controlled.
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
Processos de pesquisa e de estudo e a formação de professores: alguns aspectos teórico-metodológicos
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Both the research and the university extension projects and the experiences of the students have an important role for the training of the teachers. Bring these issues of the quotidian aspects in the school to be analyzed by students to favor closer relations between theory and practice considering a specific academics context, historicizing and contextualizing both of them. Added to this, it allows for analyzing didactic issues in the interrelationship between the organizational aspects and the school community aspects. From these aspects, and considering our practice in teaching and researching in the university, we intend to address in this article to analyze theoretical and methodological aspects of research processes and the study aspects which, in our view, are important and add quality in the role of teacher training in both the initial and continuing education. We use the research and the study terms, because we believe that the developments of the both are fundamental to the methodological emphasis of the study process.