43 resultados para Espanya-Història-1843-1868 (Isabel II)
em Repositório Institucional UNESP - Universidade Estadual Paulista "Julio de Mesquita Filho"
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Ao interpretar o marxismo como unidade entre teoria e prática, Rosa Luxemburg lança os fundamentos da sua teoria da ação revolucionária, palavras com que poderíamos sintetizar o seu pensamento político, elaborado numa polêmica ininterrupta com o determinismo economicista da II Internacional.
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Pós-graduação em História - FCLAS
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
A história do ensino de física no Brasil n o século XIX: as academias militares e o colégio Pedro II
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Pós-graduação em Educação para a Ciência - FC
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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O presente trabalho de pesquisa consistiu em duas etapas: (i) produção de um Guia de Estudos em que a história das pesquisas sobre a febre amarela (1881-1903) foi usada como subsídio para a discussão de alguns importantes aspectos do processo de produção de conhecimentos na ciência; (ii) realização de experiência pedagógica em que o Guia de Estudos foi aplicado junto a alunos do ensino médio. Os resultados obtidos forneceram evidência da viabilidade do uso da História da Ciência no Ensino de Ciências.
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Objectives:The aim of this in vitro study was to assess the inter- and intra-examiner reproducibility and the accuracy of the International Caries Detection and Assessment System-II (ICDAS-II) in detecting occlusal caries.Methods:One hundred and sixty-three molars were independently assessed twice by two experienced dentists using the 0- to 6-graded ICDAS-II. The teeth were histologically prepared and classified using two different histological systems [Ekstrand et al. (1997) Caries Research vol. 31, pp. 224-231; Lussi et al. (1999) Caries Research vol. 33, pp. 261-266] and assessed for caries extension. Sensitivity, specificity, accuracy and area under the ROC curve (A(z)) were obtained at D(2) and D(3) thresholds. Unweighted kappa coefficient was used to assess inter- and intra-examiner reproducibility.Results:For the Ekstrand et al. histological classification the sensitivity was 0.99 and 1.00, specificity 1.00 and 0.69 and accuracy 0.99 and 0.76 at D(2) and D(3), respectively. For the Lussi et al. histological classification the sensitivity was 0.91 and 0.75, specificity 0.47 and 0.62 and accuracy 0.86 and 0.68 at D(2) and D(3), respectively. The A(z) varied from 0.54 to 0.73. The inter- and intra-examiner kappa values were 0.51 and 0.58, respectively.Conclusions:ICDAS-II presented good reproducibility and accuracy in detecting occlusal caries, especially caries lesions in the outer half of the enamel.
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O objetivo deste artigo é apresentar um perfil das praças que cerraram fileira na polícia de São Paulo entre 1868 e 1896. A partir de dados biográficos - altura, idade, local de nascimento, cor da pele, ofício anterior, situação familiar - buscamos identificar, na base da pirâmide hierárquica, pistas sobre o processo de formação do aparato policial paulista; ao mesmo tempo em que pretendemos traçar um recorte da população - pobre e masculina - num período de crise do escravismo, de inflexão do sistema de mão-de-obra, de incorporação de um importante contingente estrangeiro, e de mudança do paradigma político no país.
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OBJECTIVE: The aim of this study was to evaluate the resistance to fracture of intact and restored human maxillary premolars. METHOD AND MATERIALS: Thirty noncarious human maxillary premolars, divided into three groups of 10, were submitted to mechanical tests to evaluate their resistance to fracture. Group 1 consisted of intact teeth. Teeth in group 2 received mesio-occlusodistal cavity preparations and were restored with direct resin composite restorations. Teeth in group 3 received mesio-occlusodistal cavity preparations and were restored with ceromer inlays placed with the indirect technique. After restoration, teeth were stored at 37 degrees C for 24 hours and then thermocycled for 500 cycles at temperatures of 5 degrees C and 55 degrees C. RESULTS: Statistical analysis revealed that group 3 (178.765 kgf) had a significantly greater maximum rupture load than did group 1 (120.040 kgf). There was no statistically significant difference between groups 1 and 2 or between groups 2 and 3. CONCLUSION: Class II cavity preparations restored with indirect ceromer inlays offered greater resistance to fracture than did intact teeth. The fracture resistance of teeth restored with resin composite was not significantly different from that of either the ceromer or intact teeth.
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Numerous functions have been attributed to the Edinger-Westphal nucleus (EW), including those related to feeding behavior, pain control, alcohol consumption and the stress response. The EW is thought to consist of two parts: one controls accommodation, choroidal blood flow and pupillary constriction, primarily comprising cholinergic cells and projecting to the ciliary ganglion; and the other would be involved in the non-ocular functions mentioned above, comprising peptide-producing neurons and projecting to the brainstem, spinal cord and prosencephalic regions. Despite the fact that the EW is well known, its connections have yet to be described in detail. The aim of this work was to produce a map of the hypothalamic sources of afferents to the EW in the rat. We injected the retrograde tracer Fluoro-Gold into the EW, and using biotinylated dextran amine, injected into afferent sources as the anterograde control. We found retrogradely labeled cells in the following regions: subfornical organ, paraventricular hypothalamic nucleus, arcuate nucleus, lateral hypothalamic area, zona incerta, posterior hypothalamic nucleus, medial vestibular nucleus and cerebellar interpositus nucleus. After injecting BDA into the paraventricular hypothalamic nucleus, lateral hypothalamic area and posterior hypothalamic nucleus, we found anterogradely labeled fibers in close apposition to and potential synaptic contact with urocortin 1-immunoreactive cells in the EW. On the basis of our findings, we can suggest that the connections between the EW and the hypothalamic nuclei are involved in controlling stress responses and feeding behavior. © 2013 The Authors.
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Pós-graduação em Educação - IBRC
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Pós-graduação em Educação Escolar - FCLAR