Cette thèse a pour objet l'étude du comportement asymptotique des solutions des équations des fluides de grades 2 et 3. Dans le premier chapitre, on étudie les profils asymptotiques au premier ordre des solutions des équations des fluides de grade 2 en dimension 3. On démontre que les solutions des équations des fluides de grade 2 convergent vers des solutions particulières et explicites des équations de la chaleur, lorsque le temps tend vers l'infini. Ce résultat montre en particulier que les fluides de grade 2 se comportent asymptotiquement comme les fluides newtoniens régis par les équations de Navier-Stokes. Pour cette étude, on utilise les variables d'échelles (ou variables autosimilaires), et on effectue des estimations d'énergies dans divers espaces fonctionnels, en particulier dans des espaces de Sobolev à poids polynomiaux. La description des profils asymptotiques est obtenue sous des conditions de petitesse sur les données initiales de l'équation.Le second chapitre de cette thèse traite des profils asymptotiques à l'ordre 1 des solutions des équations des fluides de grade 3 en dimension 2. À l'instar des résultats du premier chapitre, on obtient ici aussi la convergence des solutions de ces équations vers des solutions explicites des équations de la chaleur. Les outils utilisés pour cette étude sont semblables à ceux utilisés pour les fluides de grade 2 en dimension 3, à savoir les variables autosimilaires et des estimations d'énergies. Dans ce cas aussi, on conclut que les fluides de grade 3 se comportent asymptotiquement comme les fluides newtoniens.Dans le dernier chapitre, on étudie l'existence d'un attracteur pour les équations des fluides de grade 3 en dimension 2 avec des conditions périodiques. On considère donc les solutions faibles de ces équations à données initiales dans l'espace de Sobolev H¹. Ces solutions faibles définissent un semi-groupe généralisé. Ensuite, on montre que les solutions à données initiales dans H² possèdent un attracteur global pour la topologie H¹. Pour ce travail, on utilise un schéma de Galerkin, des estimations a priori et une méthode de monotonie. Les principales difficultés que l'on rencontre sont liées au peu de régularité des données initiales et au fait que l'on ne sait par si les solutions des équations des fluides de grade 3 à données H¹ sont uniques. / This thesis is devoted to the study of the asymptotic behaviour of the solutions of the second and third grades fluids equations. In the first chapter, we study the asymptotic profiles to the first order of the solutions of the second grade fluids equations in dimension 3. We show that these solutions behave asymptotically (when the time goes to infinity) like explicit solutions to the heat equations. This result shows in particular that the asymptotic behaviour of the fluids of grade 2 is the same as the one of the Newtonian fluids, modelized by the classical Navier-Stokes equations. For this study, we use scaled variables (also called self-similar variables), and we perform energy estimates in several functions spaces, including weighted Sobolev spaces. Notice that the first order asymptotic expansion that we obtain holds under smallness assumptions on the initial data.In the second chapter of this thesis, we study the asymptotic profiles to the first order of the solutions of the third grade fluids equations in dimension 2. As in the previous chapter, we establish the convergence of these solutions to explicit solutions to the heat equations. The methods that we use are very similar to the ones used in the case of the second grade fluids equations on in dimension 3, namely scaled variables and energy estimates. We also conclude that the fluids of grade 3 behave asymptotically in time like Newtonian fluids.The last chapter is devoted to the study of the existence of an attractor for the third grade fluids equations in dimension 2 with periodic boundary conditions. We consider the weak solutions of these equations with initial data in H¹. These weak solutions define a generalized semiflow on H¹. Then, we show that the solutions with initial data in H² admit a global attractor for the H¹-topology. To this end, we use a Galerkin method, a priori estimates and a monotonicity method. The main difficulties come from the lack of regularity on the solutions and from the fact that these solutions are not known to be unique.

This thesis raises the question of what represents a "reading experience" in the didactic context. It focuses on both the mapping of didactical literature that is available in the Czech environment, and on how to work with the "reading experience" during the Czech language and literature classes. It further presents specific suggestions and comments about how to work on reading of selected texts in the classroom. Primarily, the thesis focuses on education in the sixth grade of primary schools.

Made available in DSpace on 2016-04-27T16:33:42Z (GMT). No. of bitstreams: 1 Maria Aparecida da Silva Cabral.pdf: 8435420 bytes, checksum: a6670484e98229ce24ec28a496193dbf (MD5) Previous issue date: 2008-09-12 / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior / This research is concerning the process of building the curriculum of the City First Gymnasium, and has as goal the teaching practices analysis and valuation put into effect in the second grade, in the early years of the First Republic. It concentrated itself in the analysis of the teaching programs organized by the gymnasium s professors and the valuations made by the students. Are also a inspected the collision happened during the process of renerical of the public instruction, in São Paulo since 1890, in order to rebuilt the benefits or usefulness proposed for this educating institution. Since Republic Proclamation, the republican people of the São Paulo began a succession of the renovations in the public teaching, and among them that of the Normal School is emplasied and the same way, the low n. 88, september promulgacion. From the 1890 constituition the federative states could create and sustain its schools of second grade, since they accompanied the directions of the federal government referring to the fulfilment of teaching programs and the rule of the National Gymnasium. In this stage, in 1894, the Gymnasium of the Capital, was inaugurated in the paulistan capital, and it was the first state institution of teaching implanted in the state of São Paulo. In the year of 1896 by n. 2.251 decree, of inland business Mimstry and of the Union, this institution got to put in igual level to the National Gymnasium, having this wary he right to issue diplom / Esta investigação trata do processo de construção do currículo do Primeiro Gymnasio da Capital e tem por objetivo a análise das práticas de ensino e de avaliação ocorridas no ensino secundário nos anos iniciais da Primeira República. A pesquisa está centrada na análise dos programas de ensino organizados pelos professores do Gymnasio e nas avaliações realizadas pelos alunos. São examinados, também, os embates ocorridos no processo de reforma da instrução pública em São Paulo a partir de 1890, com o intuito de interpretar as finalidades projetadas para a referida instituição educativa. A partir da Proclamação da República, os republicanos paulistas iniciaram uma série de reformas na educação pública, dentre elas destacam-se a reforma da Escola Normal e a promulgação da lei n. 88, de 09 de setembro de 1892. A partir da Constituição de 1890, os estados da federação poderiam criar e manter as suas escolas de ensino secundário, desde que seguissem as orientações do governo federal quanto ao cumprimento dos programas de ensino e do regulamento do Ginásio Nacional. Nesse cenário, em 1894, o Gymnasio da Capital foi inaugurado na capital paulista, sendo a primeira instituição estadual de ensino a ser implantada no Estado de São Paulo. No ano de 1896, por meio do decreto n. 2.251 do Ministério dos Negócios Interiores da União, essa instituição conseguiu a equiparação ao Ginásio Nacional, adquirindo, portanto, o direito de expedir diplomas

The diploma thesis deals with teaching regional geography of Canada at the second stage of Primary school. The main aim is to create a Czech-English textbook (that is a combination of a textbook and a workbook) which corresponds to the principles of the current educational documents (Framework Educational Programme for Elementary Education), modern educational tendencies and tries to maximize the connection among subjects, especially English language. There is a methodological guide for teachers as well. The theoretical part focuses also on the didactic analysis of current educational textbooks and workbooks of geography and English language which include the subject matter. To get a notion of the volume and methods used in teaching ?region Canada?, a research was made by a controlled discussion with Geography and English teachers of the selected schools.

This diploma thesis is focused on solution of educational problem of students. Its character is theoretically-empirical. The first part is theoretical and is focused on explaining technical terms of this thesis topic. Furthermore it summarizes theoretical knowledge from area of teachers, especially junior, in addition education of schoolmasters and law regulation, regarding to their work. The last part of theoretical part is dedicated to authority, its establishing, education and practices in case of unappropriate student behaviour. Furthermore to discipline, its causes and to most common discipline problems in elementary schools. In the empirical part is described procedure of qualitative research investigation of this diploma thesis. There are also listed research questions as well as description of data collection and its analysis. Methodological part is followed by research investigation and answer to question, if junior teacher are ready to deal with educational problem of their students.