416 resultados para Boletim
Resumo:
In this paper we report a study on research in the field of History in Mathematics Education conducted in Brazil in the last five years. We evaluate studies that are theoretical or report experiences on the support found in history that can contribute to the situations of teaching and learning of mathematics, based on the Proceedings of Seminarios Nacionais de Historia da Matematica and Encontros Luso-Brasileiros de Historia da Matematica. Examining the interests, directions and focus of research in the field, we found that the vast majority of studies address specific issues of History of Mathematics, and the number of studies on History in Mathematics Education is still very low. We note that, in the last five years, the arguments in favor of the teaching potential of the History of Mathematics, which is very present in the speech of teachers and managers of public education, has not yet been materialized in experiments or investigations to promote this link effectively.
Resumo:
Functionalism, in its postulates and in its methods, can be seen not only as a reaction to geographical positivism and evolutionism but as a reflection of political tendencies and interests in the 20th century. Brazilian academic geography of the functionalist school showed itself resolute in attacking Darwinist interpretations, but concerned itself very little with theoretical systematization, methodology, discussion or reflection. -J.Naylon
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Examines the influence of class relations and political, ideological and structural shapes on international relations. Detente policy between the great world powers developed as a function of the basic interests of United States and Soviet Union. The analysis of underdeveloped countries' international policies is in accordance with processes of capitalistic accumulation and international labour division. -from English summary
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Reinterprets petrologic studies and their geologic significance in the light of recent literature on the calcretes in the world, and the recent revision of Bauru Group stratigraphy.-from English summary
Caracteristicas gerais e classificacao de solos basalticos da regiao Central do Estado de Sao Paulo.
Resumo:
Giving a special emphasis on soil classification relative to their positions in the landscape, five soil profiles in the Barra Bonita-Jau area were characterized through morphological, granulometric and chemical routine soil analysis. It was observed that the soil structure gradually changes from strong blocks with cutans (lowlands and smooth parts - Jau). In this direction, the silt/clay ratio and the base saturation is reduced, and the aluminium saturation increases. -from English summary
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This paper, having its conceptual basis in the Theory of Growth Poles, by F.Perroux, tests the effective existence of correlation between the spatial incidence and concentration of the 'propulsive' industrial groups and the industrial growth as a whole and the demographic increase. The selected case study was the state of Sao Paulo and data used was the 1970 census. As consequence of the techniques applied a industrial regionalization of the 'paulista' space was obtained, showing few areas of intense industrial concentration, especially of 'propulsive' groups, with multiple growth poles, and large areas with industrial rarefaction, with little or no poles.-after English summary
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Examines drainage density and networks in terms of methods of calculation, spatial and temporal variability, their relationship with hydrological basins and their paleoclimatic significance.-R.N.Gwynne
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Examines the relationship between commerce and distribution, consumption and production, before describing the spatial evidence of recent change in the commercial sector in the Campinas region, Chile. -R.N.Gwynne