991 resultados para Marquês de Pombal
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Relatório de Estágio apresentado para cumprimento dos requisitos necessários à obtenção do grau de Mestre em Ensino de Português e das Línguas Clássicas no 3º Ciclo do Ensino Básico e Secundário ou de Língua Estrangeira (Espanhol) nos Ensinos Básico e Secundário
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Tese de Doutoramento em Ciências Musicais na especialidade de Ciências Musicais Históricas
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Este relatório reflete a experiência vivida durante a Prática de Ensino Supervisionada efetuada no âmbito do Mestrado em Ensino da História e da Geografia, no 3.º Ciclo do Ensino Básico e no Ensino Secundário. Descreve as atividades desenvolvidas nas turmas de 2.º ano de Instalação e Operação de Sistemas Informáticos (Curso de Educação e Formação) e 9.º3 da Escola Secundária 2,3 de Alvide e 8.ºD e 9.º C na Escola Secundária da Quinta do Marquês, no ano letivo de 2013/2014. O presente relatório encontra-se estruturado em três capítulos essenciais. No primeiro são abordados os seguintes temas: i) uma breve contextualização da temática; i) uma reflexão acerca da importância da Educação para o Empreendedorismo para as necessidades de educação e formação do mundo atual; iii) exemplos de práticas no sistema educativo português; iv) reflexão acerca dos contributos de um ambiente construtivista de aprendizagem, como uma das várias estratégias a adotar numa formação orientada para as competências-chave da Educação para o Empreendedorismo, com ênfase no trabalho cooperativo, aplicado durante as práticas letivas. Nos dois capítulos seguintes são abordadas as Práticas de Ensino Supervisionadas em Geografia e em História, respetivamente. Nestes capítulos surgem: i) um breve enquadramento e caracterização das escolas e turmas onde decorreram as práticas letivas. As referidas caracterizações foram efetuadas com base em inquéritos por questionário, aplicados aos alunos, orientados para a temática e que permitiram traçar o seu perfil académico e familiar e conhecer os seus planos de futuro profissional; ii) Descrição das práticas letivas desenvolvidas, estratégias implementadas orientadas para a Educação para o Empreendedorismo, materiais utilizados e resultados obtidos. A Educação para o Empreendedorismo consiste na prática pedagógica central aplicada nas referidas turmas, tendo estas, pelas suas caraterísticas, contribuído para o desenvolvimento das competências-chave que estão na sua base, tais como: o trabalho em equipa, o espírito crítico e de iniciativa, a resolução autónoma de problemas, a responsabilidade e a criatividade.
Incorporações de azulejos pela Academia de Belas Artes no século XIX: a aquisição da vista de Lisboa
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Empenhado em enriquecer e diversificar o acervo da Academia de Belas Artes de Lisboa, o seu vice‑inspetor, marquês de Sousa Holstein, procurou incorporar objetos nos diferentes domínios das artes decorativas, no intuito de formar um núcleo museológico específico. A azulejaria não escapou aos seus interesses e é nesse contexto que ocorre a entrada nas coleções nacionais de um emblemático painel produzido entre nós, a Grande panorama de Lisboa, cuja aquisição se revestiu de um processo algo rocambolesco dado a conhecer no presente texto.
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Relatório de estágio de mestrado em Ensino de Música
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As modernas ideias científicas e tecnológicas da Europa mais desenvolvida transpoem fronteiras e institucionalizam-se em Portugal com a denominada Reforma Pombalina da Universidade de Coimbra (1770-72), no reinado de D. José. Mais: não só chega a Portugal o pensamento moderno da época como, antecipando a reforma do ensino universitário no resto da Europa, o ensino universitário português faz uma aposta clara nas ciências matemáticas, físicas e naturais, bem como num ensino experimental/laboratorial. Anos mais tarde, no reinado de D. Maria, surgem outros projectos educativos e científicos igualmente modernos tais como o da criação de uma Academia Real da Marinha (1779) ou o de uma Academia Real das Ciências (1779) e idealiza-se um projeto, porventura, ainda mais revolucionário: o da criação de uma instituição de ensino – também de ciências ditas superiores – destinada, na sua génese, a orfãos e desvalidos à qual se chamou Casa Pia de Lisboa (1780), e que alguns autores reportam como sendo uma “universidade plebeia”. Com base em documentação autógrafa, ainda inédita, recentemente descoberta nos Fundos Setecentistas do Arquivo da Casa de Mateus, exploraremos o papel fundamental que José Anastácio da Cunha (1744-1787) – militar, matemático e poeta – desempenhou na concepção do Plano de Estudos para a instituição; em particular para o colégio de S. Lucas, consagrado às classes científicas.
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The breeding activity of Physalaemus signifer (Girard, 1853) was monitored from July 1999 to July 2000 in a temporary pond in Palmital, Municipality of Saquarema, State of Rio de Janeiro, Atlantic Rain Forest, Brazil. Males were sexually actives only in four nights, arriving at the pond on the early rainy season. Males in amplexus were larger and spent more nights in the reproductive aggregation than solitary ones. The number of nights was correlated with the mass of the males. Males adopted satellite behavior as alternative tactic for mate acquisition. Changes between calling and satellite tactics were observed in different nights. Calling males were not larger and heavier than satellite ones. Satellite behavior seemed to be related with the order of arrival on the pond. Size and mass of males did not influence the results of fights. Resident males won the majority of agonistics combats. Three types of vocalizations are described: advertisement, territorial, and encounter calls.
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From January, 1997 to April, 1998, we studied breeding activity in a population of Scinax centralis Pombal & Bastos, 1996, in the state of Goiás, inside the Cerrado Biome, Brazil. The behavior of males and females in the choruses, the relationships between environmental variables and the presence of individuals, the spatial distribution pattern, amplexus and clutches were analyzed. The breeding season occurred from November to May. The majority of males began to call when they entered the chorus; they were defending their calling sites against other males. We found a positive correlation between the number of females and males in the choruses, but no significant correlation was observed between the operational sexual ratio (OSR, number of reproducing females/number of reproducing males) and the number of calling males. OSR was highly male-biased; on average, there were 40 males for each female. The presence of individuals was positively correlated with air temperature of two previous days and negatively correlated with rainfall on the observation day. Generally, males were non-randomly distributed and satellite males were observed. Females were larger and heavier than males. Egg number, but not diameter of the egg, was correlated with the female size.
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This paper proposes a two-dimensional Strategic Performance Measure (SPM) to evaluate the achievement of sustained superior performance. This proposal builds primarily on the fact that, under the strategic management perspective, a firm's prevalent objective is the pursuit of sustained superior performance. Three basic conceptual dimensions stem from this objective: relativity, sign dependence, and dynamism. These are the foundations of the SPM, which carries out a separate evaluation of the attained superior performance and of its sustainability over time. In contrast to existing measures of performance, the SPM provides: (i) a dynamic approach by considering the progress or regress in performance over time, and (ii) a cardinal measurement of performance differences and its changes over time. The paper also proposes an axiomatic framework that a measure of strategic performance should comply with to be theoretically and managerially sound. Finally, an empirical illustration of the Spanish banking sector during 1987-1999 is herein provided by discussing some relevant cases.
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Projecte de recerca realitzat pel Grup de Recerca de Didàctica i Multimèdia (DiM) de la UAB, entre els mesos de gener i maig del 2005. L’objectiu ha estat fer un seguiment, en 22 centres pilot experimentadors de primària i de secundaria (públics i privats) de tot Catalunya, de l’ús que els professors fessin de la PD a les classes, amb la intenció d’avaluar el seu potencial d’innovació pedagògica i identificar les pràctiques docents més eficaces i innovadores. El projecte s'emmarca d'una banda en el paradigma socio-crìtic de recerca educativa, ja que pretén la innovació i millora de les metodologies didàctiques dels professors participants mitjançant uns processos de recerca-acció. Per altra banda, des d'una perspectiva tècnico-etnogràfica (a partir de qüestionaris, entrevistes i observacions directes), se cerquen dades objectives sobre les aportacions de la PD a la millora dels processos d'ensenyament i aprenentatge. Al llarg de la recerca s’han elaborat diversos recursos de suport al professorat que es poden consultar al portal de la pissarra digital &http://dewey.uab.es/pmarques/pdigital/ca/pissarra.htm&
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Résumé : Les progrès techniques de la spectrométrie de masse (MS) ont contribué au récent développement de la protéomique. Cette technique peut actuellement détecter, identifier et quantifier des milliers de protéines. Toutefois, elle n'est pas encore assez puissante pour fournir une analyse complète des modifications du protéome corrélées à des phénomènes biologiques. Notre objectif était le développement d'une nouvelle stratégie pour la détection spécifique et la quantification des variations du protéome, basée sur la mesure de la synthèse des protéines plutôt que sur celle de la quantité de protéines totale. Pour cela, nous volions associer le marquage pulsé des protéines par des isotopes stables avec une méthode d'acquisition MS basée sur le balayage des ions précurseurs (precursor ion scan, ou PIS), afin de détecter spécifiquement les protéines ayant intégré les isotopes et d'estimer leur abondance par rapport aux protéines non marquées. Une telle approche peut identifier les protéines avec les plus hauts taux de synthèse dans une période de temps donnée, y compris les protéines dont l'expression augmente spécifiquement suite à un événement précis. Nous avons tout d'abord testé différents acides aminés marqués en combinaison avec des méthodes PIS spécifiques. Ces essais ont permis la détection spécifique des protéines marquées. Cependant, en raison des limitations instrumentales du spectromètre de masse utilisé pour les méthodes PIS, la sensibilité de cette approche s'est révélée être inférieure à une analyse non ciblée réalisée sur un instrument plus récent (Chapitre 2.1). Toutefois, pour l'analyse différentielle de deux milieux de culture conditionnés par des cellules cancéreuses humaines, nous avons utilisé le marquage métabolique pour distinguer les protéines d'origine cellulaire des protéines non marquées du sérum présentes dans les milieux de culture (Chapitre 2.2). Parallèlement, nous avons développé une nouvelle méthode de quantification nommée IBIS, qui utilise des paires d'isotopes stables d'acides aminés capables de produire des ions spécifiques qui peuvent être utilisés pour la quantification relative. La méthode IBIS a été appliquée à l'analyse de deux lignées cellulaires cancéreuses complètement marquées, mais de manière différenciée, par des paires d'acides aminés (Chapitre 2.3). Ensuite, conformément à l'objectif initial de cette thèse, nous avons utilisé une variante pulsée de l'IBIS pour détecter des modifications du protéome dans des cellules HeLa infectée par le virus humain Herpes Simplex-1 (Chapitre 2.4). Ce virus réprime la synthèse des protéines des cellules hôtes afin d'exploiter leur mécanisme de traduction pour la production massive de virions. Comme prévu, de hauts taux de synthèse ont été mesurés pour les protéines virales détectées, attestant de leur haut niveau d'expression. Nous avons de plus identifié un certain nombre de protéines humaines dont le rapport de synthèse et de dégradation (S/D) a été modifié par l'infection virale, ce qui peut donner des indications sur les stratégies utilisées par les virus pour détourner la machinerie cellulaire. En conclusion, nous avons montré dans ce travail que le marquage métabolique peut être employé de façon non conventionnelle pour étudier des dimensions peu explorées en protéomique. Summary : In recent years major technical advancements greatly supported the development of mass spectrometry (MS)-based proteomics. Currently, this technique can efficiently detect, identify and quantify thousands of proteins. However, it is not yet sufficiently powerful to provide a comprehensive analysis of the proteome changes correlated with biological phenomena. The aim of our project was the development of ~a new strategy for the specific detection and quantification of proteomé variations based on measurements of protein synthesis rather than total protein amounts. The rationale for this approach was that changes in protein synthesis more closely reflect dynamic cellular responses than changes in total protein concentrations. Our starting idea was to couple "pulsed" stable-isotope labeling of proteins with a specific MS acquisition method based on precursor ion scan (PIS), to specifically detect proteins that incorporated the label and to simultaneously estimate their abundance, relative to the unlabeled protein isoform. Such approach could highlight proteins with the highest synthesis rate in a given time frame, including proteins specifically up-regulated by a given biological stimulus. As a first step, we tested different isotope-labeled amino acids in combination with dedicated PIS methods and showed that this leads to specific detection of labeled proteins. Sensitivity, however, turned out to be lower than an untargeted analysis run on a more recent instrument, due to MS hardware limitations (Chapter 2.1). We next used metabolic labeling to distinguish the proteins of cellular origin from a high background of unlabeled (serum) proteins, for the differential analysis of two serum-containing culture media conditioned by labeled human cancer cells (Chapter 2.2). As a parallel project we developed a new quantification method (named ISIS), which uses pairs of stable-isotope labeled amino acids able to produce specific reporter ions, which can be used for relative quantification. The ISIS method was applied to the analysis of two fully, yet differentially labeled cancer cell lines, as described in Chapter 2.3. Next, in line with the original purpose of this thesis, we used a "pulsed" variant of ISIS to detect proteome changes in HeLa cells after the infection with human Herpes Simplex Virus-1 (Chapter 2.4). This virus is known to repress the synthesis of host cell proteins to exploit the translation machinery for the massive production of virions. As expected, high synthesis rates were measured for the detected viral proteins, confirming their up-regulation. Moreover, we identified a number of human proteins whose synthesis/degradation ratio (S/D) was affected by the viral infection and which could provide clues on the strategies used by the virus to hijack the cellular machinery. Overall, in this work, we showed that metabolic labeling can be employed in alternative ways to investigate poorly explored dimensions in proteomics.
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TNF family ligands and receptors fulfill a number of functions, mainly in the immune system. For example, the ligands BAFF and APRIL control growth and survival of mature Β cells at various stages of differentiation. TNF family ligands usually form homotrimers, but heteromers have also been described for lymphotoxin α1β2 and for BAFF and APRIL. Interestingly, twenty BAFF homotrimers can assemble into virus-like particles coined BAFF 60-mer, which are superior to BAFF 3-mer regarding their ability to signal in primary Β cells. A screen was performed in 293T cells, by co-transfecting differently tagged ligands, to identify six novel heteromers. The specificity of these novel heteromers, however, did not correspond to that of orphan receptors in the TNFR family. Little is known about heteromers of BAFF and APRIL, in particular their receptor-binding specificity and their ability to signal. A method to produce and purify heteromers of defined stoechiometry was developed, and the resulting reagents were used to demonstrate that BAFF2APRIL, like BAFF, binds to all BAFF receptors - namely BAFFR, TACI and Β CM A -, while APRIL2BAFF and APRIL only binds to TACI and BCMA. Heteromers could signal via their cognate receptors, sometimes as potently and sometimes less potently than homomers, depending on the receptors. A promising system to measure the activity of single-chain homo- and heteromers in vivo was set up: it measures mature Β cell rescue upon administration of single-chain ligands into BAFF-ko mice. To tackle the question of the physiological importance of BAFF 60-mer, a point mutation that prevents assembly of mouse BAFF into 60-mer while retaining its ability to form trimers was identified. This mutation (E247K) was introduced by homologous recombination into mouse embryonic stem cells that are now being used to generate knock-in mice. Results obtained in this work will help to better understand the role of various BAFF and APRIL forms that are elevated in a several autoimmune diseases. - Les ligands et récepteurs de la famille du TNF joue un rôle prédominant dans le système immunitaire. Par exemple, les ligands BAFF et APRIL contrôlent la croissance et la survie des cellules Β matures à différents stades de différenciation. Ces ligands existent souvent sous forme d'homotrimères (3-mer), bien que des héteromères aient été décrits pour la lymphotoxine α1β2 et pour BAFF et APRIL. Dans le cas de BAFF, vingt trimères peuvent, telle une particule virale, s'assembler en 60-mer qui surpasse le 3-mer pour signaler dans des cellules Β primaires. Un crible effectué dans des cellules 293T, par co-transfection de ligands différemment marqués, a permis d'identifier six nouveaux heteromères dont la spécificité n'a, hélas, pas correspondu à celle d'un récepteur orphelin de la famille du TNFR. Les connaissances sur la spécificité de liaison aux récepteurs et la capacité à signaler des heteromères de BAFF et d'APRIL sont fragmentaires. Une méthode pour produire et purifier des heteromères "simple chaîne" de stoechiométrie déterminée a été mise au point, et les réactifs ainsi obtenus utilisés pour démontrer que BAFF2APRIL, comme BAFF, lie tous les récepteurs de BAFF - c'est-à-dire BAFFR, TACI et BCMA -, alors qu'APRIL2BAFF et APRIL ne lient que TACI et BCMA. Les héteromères peuvent transmettre des signaux, parfois aussi bien et parfois plus faiblement que les homomères, selon les récepteurs. Un système prometteur pour mesurer l'activité des ligands simple chaîne in vivo a été mis au point. Il mesure la réapparition de cellules Β matures dans des souris déficientes pour BAFF après administration des ligands. Pour s'attaquer à la question de l'importance physiologique du 60-mer de BAFF, ime mutation empêchant l'assemblage en 60-mer sans affecter la capacité à former des trimères a été identifiée. Cette mutation (E247K) a été introduite par recombinaison homologue dans des cellules souches embryonnaires de souris qui sont utilisées pour obtenir des souris déficientes en BAFF 60-mer. Les résultats de ces travaux contribueront à mieux cerner le rôle des différentes formes de BAFF et d'APRIL produites en excès dans plusieurs maladies auto-immunes.
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El 1696 el Marquès de L'Hôpital publicà el primer tractat sistemàtic sobre càlcul diferencial, l'"Analyse des infiniments petits", que es basava en les "Lectiones de calculo differentialium" de Johann Bernoulli. Però podem parlar d'aportacions originals per part de L'Hôpital? L'objectiu d'aquest treball de recerca és comparar el contingut i la forma de l'Analyse i de les Lectiones i detectar possibles influències d'altres autors per intentar, finalment, donar una resposta a aquesta qüestió.
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La Clínica Jurídica Ambiental (CJA) és una experiència de mètode clínic en l’àmbit del Dret Ambiental, iniciada el curs acadèmic 2005-2006. Formalment, la CJA s’integra en el Centre d’Estudis de Dret Ambiental de Tarragona (CEDAT) de la Universitat Rovira i Virgili (URV), i des del punt de vista de l’organització curricular, constitueix una matèria obligatòria del Màster en Dret Ambiental de la Facultat de Ciències Jurídiques de la URV. Així mateix, cada curs s’ofereixen algunes places per estudiants de la llicenciatura de Dret, que passen a treballar a la CJA formant equip amb els alumnes de Màster.