408 resultados para tempo cíclico


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This essay aims to grasp the historical and contemporary issues related to the military personnel who were persecuted, their struggles and motivations over the period 1946-1988. Advocates as hypothesis that its political intervention is a legitimate expression of a presence in the defense of democracy in Brazil. But not only: the militant intervention of this group for national causes also refers to a diagnosis, which represents a challenge to many working groups of the Comissão Nacional da Verdade, especially when taking into account the number of military personnel persecuted or the selective specifi city of the repression that fell on them.

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By understanding art as a particular form of knowledge is possible to think that sociology has much to learn from it. One thesis that we share in this essay is that the art is able to perform the synthesis of the historical time for its specifi c capacity to be in the world, because, while scientifi c knowledge search universal categories, intending to reduce as much the infl uence of human and social aspects in the apprehension of phenomena, aesthetic knowledge, even if it seeks abstract referentials, can not get rid of the experience and the world around it. This premise, based on the reading of Fredric Jameson, worth as much to the art authorial as for the one performed in series, this is, the production of the cultural industry. Both one and another, in their own way, translates the social time, task that fi ts to criticism unravel.

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A pesquisa foi realizada mediante procedimentos de levantamento e análises bibliográfica e documental, e teve como objetivo analisar as principais alterações sofridas pelo Ensino Médio e Educação Profissional decorrentes da aprovação do ordenamento legal vigente: Constituição Federal de 1988, Lei de Diretrizes e Bases da Educação Nacional – Lei nº. 9.394/96 e Decreto nº. 2.208/97, revogado pelo Decreto nº. 5.154/04. Parte de breve retrospectiva histórica acerca do surgimento e organização de tal escolaridade e, na sequência, examina as principais alterações sofridas pelo Ensino Médio e Educação Profissional trazidas pelo atual conjunto legal, consoante às orientações de reforma e racionalização do Estado, hegemônicas a partir dos anos 1990. Os resultados da pesquisa indicam que, até o momento, não foi possível ainda superar a dualidade histórica que tem prevalecido na etapa final da educação básica. Conclui, que o “Ensino Médio Inovador” pode ser um caminho viável para integração Ensino Médio e Educação Profissional.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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O objetivo deste estudo in vitro foi comparar os efeitos da fotoativação pelos sistemas luz halógena e LED na adesão de braquetes ortodônticos em diferentes tempos pós-colagem (imediato, 24h e 7d). Braquetes com adesivo pré-aplicado (Gemini series; APC adhesive precoated brackets; 3M Unitek, USA) foram colados na superfície vestibular de dentes bovinos. O esmalte dos dentes foi condicionado utilizando-se o primer auto-condicionante (Transbond SEP, 3M Unitek, USA) em todos os espécimes, conforme recomendações do fabricante. Setenta e dois dentes foram divididos em 2 grupos (n=36), conforme o sistema de fotoativação (luz halógena ou LED) e sub-divididos (n=12) de acordo com o tempo pós-colagem. Para os grupos luz halógena, o tempo de fotoativação foi de 20s e para os grupos LED foi de 10s. O teste de resistência ao cisalhamento foi realizado com auxílio de uma máquina de ensaios universal nos diferentes tempos pós-colagem: imediato, 24h e 7d. O valor médio de adesão para os grupos luz halógena foi de 20,01±5,24MPa e, para os grupos fotoativados pelo sistema LED 17,35±5,07MPa, sendo estes resultados estatisticamente diferentes. Quando comparado o efeito do tempo pós-colagem, os resultados revelaram que os valores de adesão foram significantemente maiores para o tempo de 7d. O resultado do teste ANOVA 2 – fatores revelou não existir diferença estatística entre a interação sistema de fotoativação e tempos pós-colagem. O teste de Tukey mostrou que para as 4 condições experimentais nos tempos imediato e 24h, os resultados não diferiram estatisticamente, independentemente do sistema de fotoativação. Somente com relação ao grupo luz halógena-7d, os resultados mostraram diferenças estatisticamente significantes. O grupo LED-7d desempenhou comportamento intermediário entre os grupos. O índice de adesivo remanescente não revelou diferenças... (Resumo completo, clicar acesso eletrônico abaixo)

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This written report narrates the process of writing the report “A caminho da cidade” (in English: “Going to the city”), submitted as Final Papers by Naomi Oliveira Corcovia, Journalism Student at UNESP. The author tries to elucidate how much the urbanization, the industrialization and other postmodern process have influenced São Paulo´s countrymen´s life and behavior. But before, the author studied the stereotype of the countrymen diffused by Media and Brazilian literature

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Measurement units are used almost automatically nowadays, but few people know the origin of the units of length (meter), mass (kilogram) and time (second). And do not care to know what were anciently units of which our ancestors used, the difficulties that existed to make a set of measures. The aim of this work is to make a historical approach, through various units of measure. They are old, unusual to others that have been forgotten since the standardization of meters, and is also discussed about the metric system Englih (Once and foot), AV system (eg pound grain) that are still used in some countries like United States and England, the Troy system consisting of units of measure for precious stones and metals (eg gold and diamond) are also cited some physical concepts as reference: inertial, non-inertial; mass: gravity, relativistic, inertial

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This paper presents an approach to time perception in the daily elementary school teachers. The research was conducted with five teachers from the public system of the Rio Claro City, São Paulo State. The methodology chosen for the preparation of the research was based on two factors: literature review and content analysis. For the literature search were used books and scientific articles, as content analysis, based on information collected from responses of teachers, research subjects, the questionnaire prepared by the researcher, also counted with the testimony in the form of narrative of these teachers (P1). In the final considerations points that all respondents have the perception of scarcity of time to carry out numerous tasks related to the practice of teaching. Also highlighted is the fact that all respondents can not separate work and personal life, as many of the jobs are taken home by integrating everyday of individual teachers, that is, their time outside the classroom

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The aim of this study was to verify through microtensile test the influence of time and concentration of surface conditioning with hydrofluoric acid and its interference in the adhesion of dual resin cement to porcelain.We used 32 bodies of glass-ceramic lithium disilicate system IPS e.max Press LT with dimensions of 6mm thick, 8 mm in length and 8 mm in length, which will be molded to obtain composite resin blocks corresponding to blocks ceramics. Ceramic and resin blocks were divided into 16 groups (n = 4) and numbered according to the concentration of hydrofluoric acid (2.5%, 5%, 7.5% and 10%) and conditioning time (20 seconds, 40 seconds, 1 minute and 2 minutes). The blocks were cleaned in ultrasonic apparatus with distilled water and dried with compressed air, subjected to acid etching and air-jet washed with water, dried with compressed air and received application of silane agent Monobond-S, followed by adhesive Excite ( Ivoclar Vivaden). Each ceramic block was bonded to the corresponding block of resin through the resin cement Multilink Automix. The specimens were cut to obtain nine micro samples for each set of ceramic-resin with 1 mm X 1 mm X 12 mm in length, which were submitted to microtensile test. The results were analyzed with descriptive statistics and analysis of variance with significance level of 5%, revealing that there were statistically significant (p = 0.000001 <0.05). From the Tukey test can be concluded that etching with hydrofluoric acid and 2.5% for 120 seconds gave the best bond strength, however, no statistical difference between the conditioning with the same acid in the concentration of 5.0% for 20 to 40 seconds

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In the current decade, inter modal transport is widely discussed. In Brazil road transport is used in excess whereas there could be more focus and investment towards water transport. Water transport presents many benefits like being low cost and low maintenance. Sea and river ports today aren't capable of supporting Brazil's transport needs. Therefore, with this obstacle, this paper consists of an attempt of modeling and simulation of the process of unloading grain cargo from trucks, through simulation with ProModel software, to verify the necessity of installing more tumblers at the cargo unloading station in Porto Murtinho, MS

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In this paper are compared two methods of deploying electrical substations, conventional type, when installed at open areas (Air Insulated Switchgear - AIS), and compact gas-insulated (Gas Insulated Switchgear - GIS) when installed inside buildings. With the expansion of urban centers, areas available for deployment of conventional substations become increasingly difficult to find in these locations. Also due to speculation in urban areas, it becomes feasible to install Gas Insulated Switchgear. This paper presents and evaluates criteria with advantages and disadvantages for application of the two methodologies, aiming to assist in decisionmaking moment of choice in deployment of Electric Power Substations in two scenarios. It is expected that at the end of this work, the criteria evaluated assist in this decision making