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Lutte biologique à base de champignons entomopathogènes du genre Beauveria en zone tropicale / Biological control based on entomopathogenic fungi of the genus Beauveria in tropical areaRohrlich, Clara 03 October 2018 (has links)
La lutte biologique à l’aide de champignons entomopathogènes est une des alternatives aux insecticides de synthèse. La thèse étudie la spécificité, la persistance et la dispersion de souches du genre Beauveria ainsi que le potentiel d’une stratégie d’utilisation innovante. À l’aide de tests de pathogénicité, un premier volet décrit le spectre d’hôtes physiologique de trois souches commerciales de B. bassiana et B. hoplocheli. Ces travaux révèlent des différences significatives entre souches. Néanmoins, elles possèdent toutes un large spectre d’hôtes, qui permet notamment d’envisager une extension d’usage pour lutter contre les mouches des fruits. Le second volet explore le potentiel d’une stratégie de lutte biologique ciblant spécifiquement les femelles de la mouche du melon, basée sur l’auto-dissémination de champignons entomopathogènes en utilisant les mâles comme vecteurs de spores. À l’aide d’un dispositif expérimental original, nous démontrons que la transmission de spores des mâles aux femelles lors de l’accouplement augmente significativement la mortalité des femelles. À la Réunion, depuis 30 ans, un programme de lutte contre un ver blanc de la canne à sucre est basé sur l’utilisation de B. hoplocheli. Le troisième volet étudie, à l’aide de marqueurs microsatellites, la diversité génétique de B. hoplocheli dans un réseau de parcelles de canne à sucre sur trois ans. La diversité génétique se relève très faible et nous identifions des génotypes de souches introduites dans les années 1980. Ces résultats suggèrent que les souches introduites au début de la lutte se sont maintenues et répandues dans l’agro-système réunionnais. / Biological control using entomopathogenic fungi is one of the alternatives to chemical insecticides. The thesis studies the specificity, persistence and dispersion of Beauveria strains and the potential of an innovative use strategy. Using pathogenicity tests, a first chapter describes the host range of three commercial strains of B. bassiana and B. hoplocheli. These studies reveal significant differences between strains. Nevertheless, they all have a broad host range, which allows considering extending their use against fruit flies. The second chapter explores the potential of a biocontrol strategy specifically targeting females of the melon fruit fly, based on the auto-dissemination of entomopathogenic fungi using males as spore vectors. Using an original experimental design, we demonstrate that spore transmission from male to female during mating significantly increases female mortality. In Reunion, for 30 years, a biocontrol program for a sugarcane white grub has been based on the use of B. hoplocheli. The third chapter investigates the genetic diversity of B. hoplocheli strains using microsatellite markers in a three years survey in sugarcane fields. We reveal a very low genetic diversity and identify genotypes of strains introduced in the 1980s. These results suggest that the strains introduced at the beginning of the biological control persisted and spread in the Reunion agro-ecosystem.
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Multifunctional photocatalytic substrates and textiles constructed via Layer-by-Layer self-assembly of Ag and TiO2 nanoparticles / Substrats et textiles multifonctionnels construits par assemblage couche-par-couche de nanoparticules d’Ag et TiO2Motay, Marvin 03 July 2018 (has links)
Des films multicouches à base de nanoparticules de TiO2 et d’Ag ont été construits sur des substrats modèles et des textiles via la technique du Layer-by-Layer (LbL). Les films à base de nanoparticules de TiO2 construits sur substrats modèles ont montré un comportement photocatalytique non conventionnel pour la minéralisation de l’acide formique en phase gaz sous irradiation UV-A, et une minéralisation très importante a été obtenue avec un film possédant une unique couche de nanoparticule de TiO2. Ces films ont également montré des propriétés biocides sous irradiation UV-A. La mise en œuvre d’une méthode one-pot, combinant la synthèse photo-induite des nanoparticules d’Ag et dépôt de la couche de TiO2 par LbL, a permis la synthèse de nanoparticules d’Ag directement au sein des films et une exaltation très importante des propriétés photocatalytiques des films. Les méthodes de constructions ont été transférées avec succès sur textiles. Les films restent photocatalytiquement actifs et biocides sous irradiation UV-A après plusieurs cycles de lavages. / TiO2 and Ag nanoparticle multilayered films were constructed on model substrates and textiles via Layer-by-Layer (LbL) assembly. The TiO2 nanoparticle based films constructed on model substrates showed a non-conventional photocatalytic behaviour for gas phase formic acid mineralisation upon UV-A irradiation, and a high mineralisation was obtained for a single layer TiO2 nanoparticle film. These films also showed biocidal properties upon UV-A irradiation. The elaboration of a one-pot method, combining the photo-induced synthesis of Ag nanoparticles and the LbL deposition of TiO2 nanoparticle layer, allowed the direct synthesis of Ag nanoparticles within the films and a high enhancement of the film photocatalytic properties. The construction methods were successfully transfered on textile surfaces. The films were photocatalytically active and biocidal under UV-A irradiation after several washing treatment cycles.
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Redução do uso e do consumo de açúcar por merendeiras de escolas públicas : ensaio randomizado por conglomerado / Reducing the use and consumption of sugar by school lunch cooks in public schools: a cluster randomized trialRita Adriana Gomes de Souza 06 August 2010 (has links)
Conselho Nacional de Desenvolvimento Científico e Tecnológico / O Brasil é um dos maiores consumidores per capita de açúcar e estudos têm mostrado um papel específico do consumo excessivo de açúcar no ganho de peso. Com o aumento do ganho de peso observado em vários países, e também no Brasil, é importante testar quais mensagens, estratégias e propostas de intervenção seriam eficazes na prevenção dessa epidemia. Os dados reportados são referentes a um ensaio randomizado por conglomerado, controlado, conduzido em 20 escolas municipais na cidade metropolitana de Niterói no Estado de Rio de Janeiro, de março a dezembro de 2007, que testou a eficácia de orientações para merendeiras objetivando reduzir a disponibilidade de açúcar e de alimentos fontes de açúcar na alimentação escolar e no consumo delas. A intervenção consistiu em um programa de educação nutricional nas escolas usando mensagens, atividades e material educativo que encorajassem a redução da adição de açúcar na alimentação escolar pelas merendeiras e no consumo delas. A redução da disponibilidade per capita de açúcar pelas escolas foi analisada através de planilhas com dados da utilização dos itens do estoque. O consumo individual das merendeiras foi avaliado através de questionário de freqüência de consumo alimentar. As medidas antropométricas e bioquímicas foram realizadas de acordo com técnicas padronizadas. As escolas de intervenção apresentaram maior redução da disponibilidade per capita de açúcar quando comparadas às escolas controle (-6,0 kg vs. 3,4 kg), mas sem diferença estatisticamente significante. Houve redução no consumo de doces e bebidas açucaradas nas merendeiras dos dois grupos, mas o consumo de açúcar não apresentou diferenças estatisticamente significativas entre eles. Houve redução do consumo de energia total nos dois grupos, mas sem diferença entre eles, e sem modificação dos percentuais de adequação dos macronutrientes em relação ao consumo de energia. Ao final do estudo somente as merendeiras do grupo de intervenção conseguiram manter a perda de peso, porém sem diferença estatisticamente significante. A estratégia de redução da disponibilidade e do consumo de açúcar por merendeiras de escolas públicas não atingiu o principal objetivo de redução de adição de açúcar. Uma análise secundária dos dados avaliou a associação entre a auto-percepção da saúde e da qualidade da alimentação com o excesso de peso e concentração elevada de colesterol sérico das merendeiras na linha de base. As perguntas de auto-percepção foram coletadas por entrevista. Dentre as que consideraram a sua alimentação como saudável, 40% apresentavam colesterol elevado e 61% apresentavam excesso de peso vs. 68% e 74%, respectivamente, para as que consideraram a sua alimentação como não-saudável. Dentre as que consideraram a sua saúde como boa, 41% apresentavam colesterol elevado e 59% apresentavam excesso de peso vs. 71% e 81%, respectivamente, para as que consideraram a sua saúde como ruim. A maioria das mulheres que relatou ter alimentação saudável apresentou maior frequência de consumo de frutas, verduras e legumes, feijão, leite e derivados e menor freqüência de consumo de refrigerante. Conclui-se que perguntas únicas e simples como as utilizadas para a auto-avaliação da saúde podem também ter importância na avaliação da alimentação. / Brazil is one of the largest per capita consumers of sugar and several studies have shown a specific role of excessive consumption of sugar on weight gain. With the increased weight gain observed in several countries, including Brazil, it is important to test which messages, strategies and proposals for intervention would be effective in preventing this epidemic. The data reported are for an intervention study that tested the efficacy of guidelines for school lunch cooks aiming to reduce the added sugar in schools meals and their sugar intake. A cluster randomized controlled trial was carried out in twenty public schools in the metropolitan city of Niterói in Rio de Janeiro, Brazil, from March to December 2007, to assess the change in the availability and consumption of sugar. The intervention consisted of a nutrition educational program in schools using messages, activities and printed educational materials that encouraged the reduction of added sugar in the schools meals by the school lunch cooks and in their consumption. The reduction in per capita sugar availability by the schools was examined through spreadsheets with data from the use of inventory items. Individual food intake of the school lunch cooks was evaluated by a Food Frequency Questionnaire. Anthropometric and biochemical measurements were performed according to standard techniques and the variation in weight change was measured throughout the study. Per capita sugar availability reduced most markedly in the intervention schools compared to the control schools (-6,0 kg vs. 3,4 kg), however this difference was not statistically significant. Both groups of school lunch cooks showed a reduction in the consumption of sweets and sweetened beverages, but the difference in sugar intake was not statistically significant. A reduction in total energy consumption was observed in both groups, but there was no difference between them. Also, there was no difference in the percentage of adequacy of nutrients in relation to energy consumption. Sweetened beverages presented the most important consumption reduction. At the end of the study, only school lunch cooks in the intervention group were able to maintain weight loss, but not statistically significant. The strategy of reducing the availability and consumption of sugar by the school lunch cooks from public schools did not achieve the main goal of reducing added sugar. A secondary analysis examined the association between self-perceived health status and diet quality with overweight and high serum cholesterol concentration of the school lunch cooks at baseline. The self-perception questions were collected by interview. Among women who reported healthy diet, 40% presented high serum cholesterol and 61% were overweight. Among women who reported unhealthy diet, 68% presented high serum cholesterol and 74% presented overweight. Most women who reported healthy diet showed a higher frequency of consumption of sweets, fruits, vegetables, beans, dairy products and lower frequency of consumption of soft drink. In conclusion, single and simple questions, such as those used for self-perceived health status may also be important in assessing the diet.
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Evidência sobre o conteúdo informacional da estrutura a termo da taxa de juros no Brasil: relação entre a ETTJ e a dinâmica econômicaSantos, Daiane Rodrigues dos 06 May 2011 (has links)
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Previous issue date: 2011-05-06 / O presente trabalho pretende discutir a relação entre o spread, diferença entre a taxa de juros de longo e curto prazos, e a dinâmica econômica. Especificamente,
estudar como o spread influencia a taxa real de crescimento do PIB, ressaltado por autores como Harvey (1988), Sims (1972), Bernand e Gerlach (1996) e Estella (2004), entre outros. Verificou-se nas saídas do modelo VAR(6) que a Produção Industrial brasileira é apenas fracamente influenciada pelo spread. No entanto, verificou-se que o spread é fortemente influenciado pela Produção Industrial,
relação esta não realçada pelos autores do referencial teórico. Apurou-se também que o spread é fortemente influenciado pelo IPCA, que por sua vez ´e influenciado
fortemente pelo spread, confirmando a relação dinâmica ressaltada por Sims (1972), Shousha (2006), Nielsen (2006), entre outros. Nas saídas do modelo dinâmico, VAR(6), também se verificou que o IPCA é fortemente influenciado
pela Produção Industrial, que, por sua, vez é fracamente influenciada pela série composta pelo IPCA. / The work aims at identifying the relationship between the spread, difference of the long term interest rate in relation to the short term interest rate, and the economic dynamic. Specifically, it studies how the spread has impacted on
the gross domestic product real growth rate, phenomenon pointed out by authors such as Harvey (1988), Sims (1972), Bernard & Gerlach (1996) and Estrella (2004), among others. It was verified, in the model VAR (6), that the Brazilian industrial production is weakly influenced by the spread. However, it was observed that the last one is strongly determined through the industrial production. This result is not
found in the adopted theoretic approach. Additionally, it was verified that the spread is highly determined from the IPCA, which is, in its turn, strongly influenced through the spread, confirming the relations showed in Sims (1972), Shousha (2006), Nielsen (2006), among others. In the statistics of the dynamic model, VAR (6), it also presented an expressive effect from the industrial production on the IPCA, which, by
contrast, is not significantly determining the industrial activity in the sample period
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Caractérisation immunogénétique des cellules dendritiques non-conventionelles dans un contexte auto-immunPelletier, Adam-Nicolas 08 1900 (has links)
No description available.
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Macrofinance Modeling from Asset Allocation Perspective / Macrofinance Modeling from Asset Allocation PerspectiveKollár, Miroslav January 2006 (has links)
The dissertation dealt with the interaction between the macro-economy and financial markets. In the first part of the dissertation I laid down a general case for macro-based active asset allocation. In the main part of my dissertation, after a theoretical introduction to term structure models and macrofinance models, I developed a VAR macrofinance model of the term structure of interest rates for the Czech economy based on the dynamic interpretation of the Nelson-Siegel model, and showed the use of such modeling framework in bond-yield prediction and asset allocation.
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Využití systému plánů a rozpočtů v řízení odbytu ve společnosti ŠKODA AUTO a.s. / Steering of sales department using system of plans and budgets in ŠKODA AUTO a.s. company.Lebedzeva, Oleksandra Valerijivna January 2010 (has links)
The aim of this Master Thesis is to analyze using the system of plans and budgets in a steering of sales department in the company SKODA AUTO a.s. In the theoretical part are basically defined terms plans and budgets and also analyzed different point of views of scientific and professional public on using system of plans and budgets in business management. Then are characterized the basic approaches to budgeting and described in detail the proscedure of establishing the budget. In the practical part is described the analysis of using system of plans and budgets on example of SKODA AUTO a.s. company, during which obtained theoretical knowledge were applied. The analysis revealed a weakness in the steering of sales department and have been proposed the measures, aiming to eliminace this weekness.
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L'identité sociale des jeunes musulmans tunisiens et les stratégies identitaires de changement : cas d'étudiants garçons et filles, pratiquants et non pratiquants / The social identity of the young Tunisians Muslims and the strategies of identity changeSouissi, Kaouther 13 November 2013 (has links)
Les stéréotypes négatifs qu’émettent les Musulmans d’Orient à l’égard des Musulmans Tunisiens causent autant de souffrance aux Tunisiens d’avant la révolution et d'aujourd'hui. L’objectif de ce travail est de connaître jusqu’à quel point les jeunes tunisiens sont influencés par les méta-stéréotypes négatifs dans leurs définition de soi Musulman et comment ils réagissent au fait qu’ils appartiennent à un groupe de musulmans socialement dévalorisé. Nous travaillons sur des associations verbales et leurs valences de 208 étudiants pratiquants et non pratiquants, des deux sexes se prononçant sur l’Islam et le Musulman, d'abord en leur nom propre puis au nom du Musulman d’Orient. Dans cette perspective, quatre études comparatives inter et intra-sujets sont menées afin de repérer les prototypes du Musulman et le degré d'affirmation des jeunes interrogés de leur identité musulmane, les méta-stéréotypes du Musulman Tunisien et leur incidence sur l'identité endogroupe et les stratégies de restauration identitaire. Les résultats sont discutés en référence à la théorie du noyau, au modèle prototypique des catégories et à la fonction explicative des stéréotypes. Dans l'ensemble, ils montrent un grand décalage entre les traits prototypiques du Musulman et les traits les plus typiques du Musulman Tunisien, les jeunes définissent l'endogroupe "croyant" mais le décrivent "mécréant". Au niveau des représentations sociales de l'Islam, des biais de contraste de type faux consensus, fausse unicité et stéréotypie sont identifiés. Pour infirmer les méta-stéréotypes négatifs, les jeunes se représentent l'Islam en leur faveur. Le Musulman d'Orient est discriminé, il n'est plus un référent positif. / The negative stereotypes that the Muslim of East emit towards the Tunisian Muslims cause so much suffering to the Tunisian of front the revolution and today. The objective of this work is to know how much the young Tunisians are influenced by the meta negative stereotypes and how they react to the fact they belong a group of Muslims socially depreciated. We work on verbal associations and their valences of 208 students, practicing and non-practicing of both sexes, pronouncing at first on their proper name then in the name of the Muslim of East on the Islam and the Muslim. In this perspective, four comparative studies inter and intra-subjects are led, the spot the prototypes of the Muslim and the degree of attachment of the young to their Muslim identity, the meta-stereotypes of the Tunisian Muslim and their incidence on the identity endogroup; the cognitive and motivational strategies of identity change. The results are discussed in reference to the theory of the core, to the prototypical model of the categories and to justification function of stereotypes. So, altogether, they show a big gap between the prototypical lines of Muslim and the most typical lines of the Tunisian Muslim. the young people define their endogroup believer but describe him unbeliever. In the social representations of the Islam, biases of contrast of type false consensus, false uniqueness and stereotypy are identified to invalid meta negative stereotypes and differentiate positively and distinctively the Tunisian Islam. Muslim of East is not anymore a positive referent.
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Transformations de terpènes par catalyse au ruthénium / transformation of terpenes via ruthenium catalysisSahli, Zeyneb 16 April 2013 (has links)
L'utilisation des matières premières renouvelables dans la synthèse des molécules organiques ou les additifs alimentaires, les pesticides et les polymères a trouvé un intérêt croissant ces dernières années pour des raisons économiques aussi bien qu'écologiques. Au cœur des produits naturels on trouve les terpènes provenant essentiellement des bioressources et représentant une grande famille de molécules naturelles. Ils offrent un potentiel important pour l'accès à des produits à haute valeur ajoutée en utilisant des outils catalytiques sélectifs, tout en respectant le principe d'économie d'atomes. Les réactions cascades basées sur les processus d’(auto)transfert d'hydrogène, générant uniquement de l'eau et des sels non toxiques comme produits secondaires sont particulièrement propres, efficaces et attractives du point de vue de la valorisation durable des terpènes. Dans ce contexte, nous avons développé un nouveau système catalytique et efficace pour l’amination réductrice des alcools allyliques en présence de différentes amines en utilisant des complexes de ruthénium(II). Cette méthode a été appliquée à une large gamme d'alcools allyliques terpéniques tels que le géraniol, le nérol et le phytol, ce qui a permis leur valorisation d’une façon chimiosélective, ne générant que l’eau et le dioxyde de carbone comme sous produits bénins. La fonctionnalisation sp3 C-H des azaterpènes cycliques a été ensuite réalisée avec différents terpènes aldéhydes en présence de complexe de ruthénium(II). Ces transformations ont permis la production d'une petite librairie de N-et C-azaterpenes. Certains de ces terpènes alcaloïdes ont montré une bonne activité antibactérienne. Par la suite, la synthèse de nouveaux complexes chiraux [Ru(Cp’)] (IV) à partir de (+)-nopinone, un monoterpène issu de l’oxydation de β-pinène a été réalisée. L'application de ces complexes dans l'allylation asymétrique de carbonate de cinnamyle par le phénol a montré une bonne régio- et énantiosélectivité. / The use of renewable feedstock in the synthesis of organic molecules such as food additives, pesticides and polymers, has found increasing interest over recent years due to economic as well as ecological reasons. At the heart of natural products are terpenes derived essentially from bioresources and they represent a large family of natural molecules, which have a moderate cost. They offer a significant potential for the access to products with high added value using selective catalytic tools, respecting the principle of atom economy. Catalytic reactions involving hydrogen (auto)transfer, generating only water and non-toxic salts as byproducts are particularly clean, efficient and attractive methods from a sustainable point of view for the valorization of terpenes. In this context we have developed a new and efficient catalytic system for reductive amination of allylic alcohols in the presence of various amines using arene ruthenium(II) complex. The application of this method to a wide range of terpenic allylic alcohols like geraniol, nerol and phytol allowed the formation of new azaterpenes in good yield and high chemoselectivity generating only water and carbon dioxide as benign side products. The sp3 C–H functionalization of N-terpenylated cyclic amines was then performed with various terpenaldehydes without side alkene reduction in the presence of arene ruthenium(II) catalyst. These eco-friendly transformations enable the production of a small library of N- and C- terpenylated amines. Some of these terpene alkaloids showed good antibacterial activities. The synthesis of new chiral [Ru(Cp’)] (IV) complexes featuring a N,O chelate were successful, using a chiral ligand derived from commercially available (+)-nopinone, a monoterpene derived from oxidation of β-pinene. The application of these complexes in the asymmetric allylation of cinnamyl carbonate by phenol gave high regioselectivity and satisfactory enantioselectivity.
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Narrativas de “alunas-professoras” sobre o Grupo de Aplicação do C.F.P.P. de Catalão/GO (1964-1983) / Narratives of "female teachers" on the C.F.P.P. Application Group of Catalão/GO (1964-1983)Vaz, Renata Cristine Santos 01 March 2018 (has links)
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Previous issue date: 2018-03-01 / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES / Studies on didactic culture and teacher training at the Primary Teachers' Training Center of Catalão/GO revealed ways of functioning, organization, practices and unique conceptions that somehow mark the life trajectories of teachers who in this institution attended the course. Magisterium and later worked professionally in the city of Catalão/GO and region. Taking as a starting point these references, we present this research that sought to answer the following guiding question: How is the history of the Application Group constituted from the life histories of teachers who attended the Magisterium at the Center for the Training of Primary Teachers in Catalão/GO, and practiced teaching between the years 1964 and 1983? The general objective is: to know the history of the Application Group of the Center for the Training of Primary Teachers of Catalão/GO from the teachers' narratives of the teachers who in this institution exercised the Magisterio between 1964 and 1983. The specific objectives are: a) to theoretically revise the narrative biographical method by deepening the studies on the main concepts regarding our research proposal; b) identify the Application Group within the context of the Training Center for Primary Teachers of Catalão and Brazilian Education in the period studied; c) understand the life history of teachers who worked in the Application Group and the aspects related to their insertion in the institution; d) analyze the history of the Application Group of the Center for the Training of Primary Teachers of Catalão from the narratives of the teachers who in this institution exercised the teaching between 1964 and 1983. For this, we resort to the narrative biographical method and try to glimpse through of the narratives of the female teachers an Institutional Biography (BOLÍVAR, 2014). For the production of data we conducted interviews / conversations with the female teachers and also took as narratives the documents and photos of the "Suely da Paixão" - Archive NEPEDUCA. We chose Passeggi et al (2017) to refer to our thematic analysis of narratives. By knowing the biography of these female teachers, it was possible to perceive the interweaving of individual and social aspects, as well as the institutional context of C.F.P.P.C. and the Application Group were determinants for the definition of a profile of professional performance that the teachers carried throughout their lives. In tracing the Institutional Biography of the Catalão CFPP Application Group, we sought to show how the singularities of the female teachers' life histories contain individual and collective dimensions, traits that express the social dimensions of a given space-time. This Institutional Biography is a possible version of the history of this school institution. It is valid because it deals explicitly with a story told in perspective: we thus know what this institution meant in the perspective of the teachers. / Estudos sobre a cultura didática e a formação de professores no Centro de Formação de Professores Primários de Catalão/GO evidenciaram modos de funcionamento e organização, práticas e concepções singulares que marcam, de algum modo, as trajetórias de vida de professoras que nesta instituição cursaram o Magistério e posteriormente atuaram profissionalmente na cidade de Catalão/GO e região. Tendo como ponto de partida estas referências, apresentamos esta pesquisa que pretendeu responder a seguinte questão norteadora: Como se constitui a história do Grupo de Aplicação a partir das histórias de vida de professoras que cursaram o Magistério no Centro de Formação de Professores Primários em Catalão/GO, e exerceram a docência entre os anos de 1964 e 1983? O objetivo geral é: conhecer a história do Grupo de Aplicação do Centro de Formação de Professores Primários de Catalão/GO a partir das narrativas das professoras que nesta instituição exerceram o Magistério entre os anos de 1964 e 1983. Os objetivos específicos são: a) revisar teoricamente o método biográfico narrativo aprofundando os estudos sobre os principais conceitos referentes a nossa proposta de pesquisa; b) identificar o Grupo de Aplicação dentro do contexto do Centro de Formação de Professores Primários de Catalão e da Educação Brasileira no período estudado; c) compreender a história de vida de professoras que atuaram no Grupo de Aplicação e os aspectos relacionados a sua inserção na instituição; d) analisar a história do Grupo de Aplicação do Centro de Formação de Professores Primários de Catalão a partir das narrativas das professoras que nesta instituição exerceram o magistério entre os anos de 1964 e 1983. Para tanto, recorremos ao método biográfico narrativo e procuramos vislumbrar através das narrativas das alunas-professoras uma Biografia Institucional (BOLÍVAR, 2014). Para a produção de dados realizamos entrevistas/conversas com as alunas-professoras e tomamos também como narrativas os documentos e fotos do Acervo “Suely da Paixão” – Arquivo NEPEDUCA. Elegemos Passeggi et al (2017) para referenciar a nossa análise temática das narrativas. Ao conhecer a biografia dessas alunas-professoras foi possível perceber o entrelaçamento dos aspectos individuais e sociais, e ainda como o contexto institucional do C.F.P.P.C. e do Grupo de Aplicação foram determinantes para a definição de um perfil de atuação profissional que as professoras levaram ao longo de toda sua vida. Ao traçar a Biografia Institucional do Grupo de Aplicação do CFPP de Catalão procuramos mostrar como as singularidades das histórias de vida das alunas-professoras contêm dimensões individuais e coletivas, traços que expressam as dimensões sociais de um espaço-tempo determinado. Esta Biografia Institucional é uma versão possível da história dessa instituição escolar. É válida por se tratar explicitamente de uma história contada em perspectiva: conhecemos assim o que significou esta instituição na perspectiva das professoras.
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