O presente estudo tem como objetivo identificar como ocorreu o processo histórico da prática do automobilismo de rua em Porto Alegre, no período de 1926 a 1956. A pesquisa foi sustentada em fontes impressas e orais, bem como na apresentação de fotografias disponibilizadas pelo acervo do Museu Brasileiro do Automobilismo, localizado na cidade de Passo Fundo, Rio Grande do Sul. Os resultados obtidos demonstram que o automobilismo de rua contribuiu para construir uma representação de modernidade, a partir do cenário esportivo, delineado em Porto Alegre. Esta prática teve seu início em meados da década de 1920, registrando a realização de um grande número de provas automobilísticas, na década de 1930, com a criação da segunda equipe de competição do Brasil, a Escuderia Galgos Brancos. Os gaúchos sofreram influência, nos traçados das provas e nos modelos de carro – as carreteras - dos países vizinhos Uruguai e Argentina, não só técnico, mas de pilotagem. No período de 1950, o Rio Grande do Sul torna-se polo do automobilismo nacional, com o maior número de provas realizadas e destaque para os pilotos gaúchos nas provas automobilísticas. O automobilismo estimulou a indústria nacional automobilística e de autopeças, estabelecendo em seus regulamentos a obrigatoriedade dos competidores usarem, em seus carros, componentes de fabricação nacional. Por fim, evidenciou-se que, no período estudado, o automobilismo estava inserido no imaginário dos gaúchos como uma prática de modernidade, paixão e vitórias dos ases do volante. / This study aims to identify how the historical process of street racing took place in Porto Alegre, from l926 to l956. The research is supported in printed and oral sources as well as in the display of photographs provided by the Brazilian Automotive Museum, located in the city of Passo Fundo, Rio Grande do Sul, a southern state of Brazil. The results achieved demonstrate that street racing has contributed to build a representation of modernity departing from the sports setting outlined in Porto Alegre. This practice began in the mid-l920 decade and, in the 1930 decade, a large number of motor racing was recorded due to the creation of a second competition team in Brazil, the White Greyhounds racing cars owners pool – Escuderia Galgos Brancos. The so-called gaúchos – people from the southern state of Brazil – have been influenced on competition layout and car models – carreteras – by Uruguai and Argentina, neighboring countries, not only in technical, but also in piloting aspects. In the 1950 decade, Rio Grande do Sul became the main center of Brazilian motor sport because it was the state where the largest number of car competitions took place and also because of the oustandingly performances of the southern pilots in them. Car racing has stimulated the national motoring and auto parts industry by establishing in its regulation a basic requisite: the competitors had to use components, manufactured in Brazil, in their cars. Finally it became evident that during the period that has been studied car racing was inserted into the imagination of the gaúchos as a practice of modernity, passion and victories of the the steering wheel aces.

O desenvolvimento de aplicações de forma a atingir níveis de desempenho próximos aos níveis teóricos de uma determinada plataforma é uma tarefa que exige conhecimento técnico do ambiente de hardware, uma vez que o software deve explorar detalhes específicos da plataforma em questão. Pelo fato do software ser específico à plataforma, caso ela evolua ou se altere, as otimizações realizadas podem não explorar a nova arquitetura de forma eficiente. Auto-tuners são sistemas que surgiram como um meio automatizado de adaptar um determinado software a uma arquitetura alvo. Essa adaptação ocorre através de uma busca empírica de valores ótimos para parâmetros específicos de uma aplicação, a fim de ajustá-los às características do hardware, ou ainda através da geração de códigofonte otimizado para a plataforma. Este trabalho propõe um módulo auto-tuner orientado à adaptação parametrizada de uma aplicação paralela, que trabalha variando os fatores da dimensão do domínio bidimensional, o número de processos e a extensão das regiões de sobreposição. Para cada variação dos fatores, o auto-tuner testa a aplicação na arquitetura paralela de forma a buscar a combinação de parâmetros com melhor desempenho. Para possibilitar o auto-tuning, foi desenvolvida uma classe em linguagem C++ denominada Mesh, baseada no padrão MPI. A classe busca abstrair a decomposição de domínios de uma aplicação paralela por meio do uso de Orientação a Objetos, e facilita a variação da extensão das regiões de sobreposição entre os subdomínios. Os resultados experimentais demonstraram que o auto-tuner explora o ganho de desempenho pela variação do número de processos da aplicação, que também é tratado pelo módulo auto-tuner. A arquitetura paralela utilizada na validação não se mostrou ideal para uma otimização através do aumento da extensão das regiões sobrepostas entre subdomínios. / Achieving the peak performance level of a particular platform requires technical knowledge of the hardware environment involved, since the software must explore specific details inherent to the hardware. Once the software is optimized for a target platform, if the hardware evolves or is changed, the software probably would not be as efficient in the new environment. This performance portability problem is addressed by software auto-tuning, which emerged in the past decade as an automated technique to adapt a particular software to an underlying hardware. The software adaptation is performed by an auto-tuner. The auto-tuner is an entity that empirically adjusts specific application parameters in order to improve the overall application performance, or even generates source-code optimized for the target platform. This dissertation proposes an auto-tuner to optimize the domain decomposition of a parallel application that performs stencil computations. The proposed auto-tuner works in a parameterized adaptation fashion, and varies the dimensions of a 2D domain, the number of parallel processes and the extension of the overlapping zones between subdomains. For each combination of parameter values, the auto-tuner probes the application in the parallel architecture in order to seek the best combination of values. In order to make auto-tuning possible, it is proposed a C++ class called Mesh, based on the Message Passing Interface (MPI) standard. The role of this class is to abstract the domain decomposition from the application using the Object Orientation facilities provided by C++, and also to enable the extension of the overlapping zones between subdomain. The experimental results showed that the performance gains were mainly due to the variation of the number of processes, which was one of the application factors dealt by the auto-tuner. The parallel architecture used in the experiments showed itself as not adequate for optimizing the domain decomposition by increasing the overlapping zones extension.

Cette thèse est divisée en trois chapitres distincts, ayant comme dénominateur commun l'analyse stochastique de certains champs gaussiens. Les processus stochastiques multiparamétriques qui apparaissent dans ce manuscrit sont généralement auto-similaires. L'auto-similarité est la propriété qu’un processus stochastique préserve sa loi après un changement d'échelle du temps. Dans une première partie, nous avons mis en évidence des nouveaux aspects du drap brownien fractionnaire en utilisant essentiellement la notion de la transformation de Lamperti. Un focus sur l'équation différentielle stochastique vérifiée par cette transformée, a été aussi évoqué. Dans une deuxième partie, nous avons analysé le comportement asymptotique en loi des variations quadratiques spatiales des processus qui sont des solutions de deux types d'équations différentielles stochastiques partielles des ondes perturbées par deux sortes des bruits gaussiens auto-similaires. L'outil principal de notre raisonnement était des nouveaux critères basés sur le calcul stochastique de Malliavin et combinés avec la méthode classique de Stein. En guise d'application, nous avons construit un estimateur de l'indice de Hurst H du bruit fractionnaire en se basant sur les variations quadratiques étudiées. / This thesis is divided into three distinct chapters with a common denominator which is the stochastic analysis of some Gaussian fields. The multi-parameter stochastic processes that appeared in this manuscript are generally self-similar. Self-similarity is the property that a stochastic process preserves its law after a scaling of time. Firstly, we deduced new aspects of the fractional Brownian sheet, using essentially the notion of the Lamperti transform. A Focus on the stochastic differential equation verified by this transform sheet was also mentioned. Secondly, we analyzed the asymptoticbehavior of the spatial quadratic variations of processes that are solutions of two types of stochastic wave equations perturbed by two kinds of self-similar Gaussian noises. The main tool in our reasoning was new criteria based on the Malliavin calculus and combined with the classical method of Stein. As an application, we constructed, by the aid of the quadratic variations, an estimator of the Hurst index H of the fractional noise.

Título original: Crenças de autoeficácia de profissionais do segmento fitness / Orientador: Roberto Tadeu Iaochite / Banca: Soely Aparecida Jorge Polydoro / Banca: Samuel de Souza Neto / Resumo: Apesar do grande número de academias ginásticas e da quantidade de egressos do curso de bacharelado em Educação Física, poucas contribuições investigaram como esses profissionais mobilizam os conhecimentos, habilidades e atitudes para atuação ligada à ginástica coletiva. O referencial da Teoria Social Cognitiva nos dá elementos para entender o papel das crenças nessa mobilização. Destacamos a crença de autoeficácia como uma variável importante para compreendermos o que os indivíduos fazem com as ferramentas que possuem. Assim, o objetivo desta pesquisa é caracterizar as percepções acerca da atuação profissional ligada à ginástica coletiva, identificando os conhecimentos, as habilidades, as atitudes e os desafios. E ainda, identificar as crenças de autoeficácia para atuação ligada à ginástica coletiva e suas fontes de constituição. Contamos com a participação de dez profissionais de ginástica divididos em dois grupos: Profissionais Formadores Experts (PFEs) e Profissionais Práticos (PPs). Trata-se de uma pesquisa descritivo-exploratória de caráter qualitativo que utilizou como instrumento de coleta de dados um roteiro de entrevista semiestruturado. Por meio de técnicas de análise do conteúdo e com o suporte do software Nvivo11, encontramos os seguintes resultados: a formação inicial foi reconhecida como um espaço de aquisição de conhecimentos (conceitual, procedimental), no entanto, PPs e PFEs atribuem as habilidades (planejamento, comunicação, incentivação e gestão) e as ... (Resumo completo, clicar acesso eletrônico abaixo) / Abstract: Despite the large number of gym centers and the number of graduates of the bachelor's degree in Physical Education, few contributions have investigated how these professionals mobilize knowledge, skills and attitudes working in the group exercise classes. The Social Cognitive Theory gives us elements to understand the hole of the beliefs at this mobilization. We highlight the self-efficacy belief as an important variable to understand what the individuals do with the tools they own. Thus, the goal for this research is to characterize the perceptions about the professional action related to the group gymnastics, identifying the knowledges, skills, attitudes and challenges. In addition, to identify the self-efficacy beliefs and their sources of constitution. There were ten Fitness professionals who were divided into two groups: Profissionais Formadores Experts (PFEs) e Profissionais Práticos (PPs). It is a descriptive-exploratory and qualitative research that used as instrument for data collection a semi-structured interview script. Through the content analysis techniques and, with the support of the software Nvivo11, we have found the follow results: a) the initial training was recognized as a knowledge acquisition space (conceptual, procedural), however, PPs and PEPs attribute the skills (planning, communication, encouragement and management) and attitudes (relational, personal, professionals) to professional experiences; b) PPs and PFEs highlighted three main challenges: the ... (Complete abstract click electronic access below) / Mestre

Estágio realizado na CIN - Corporação Industrial do Norte e orientado pelo Eng.ª Catarina Carneiro / Tese de mestrado integrado. Engenharia Química. Faculdade de Engenharia. Universidade do Porto. 2009

Tese de Mestrado Integrado. Engenharia Civil - Especialização em Estruturas. Faculdade de Engenharia. Universidade do Porto. 2011

Determina la efectividad de un programa educativo sobre el autocuidado en pacientes con quimioterapia ambulatoria en el Instituto Oncológico Miraflores durante el año 2016. Es un estudio de tipo cuantitativo, método descriptivo de corte transversal y cuasi experimental. La población está conformada por 90 pacientes de quimioterapia ambulatoria. La técnica utilizada es la encuesta y el instrumento un cuestionario estructurado. Encuentra que el nivel de conocimiento sobre el autocuidado en pacientes con quimioterapia ambulatoria; antes de la aplicación educativa, 60% (54) es bajo, 22.2% (20) alto y 17.8% (16) medio; y después de la aplicación educativa, 96.7% (87) es alto y 3.3% (03). En la alimentación, antes de la aplicación educativa, 52.2% (47) es bajo, 26.7% (24) alto y 21.1% (19) medio; y después de la aplicación educativa, 94.4% (85) es alto y 5.6% (05) medio. En la prevención de infecciones, antes de la aplicación educativa, 44.4% (40) es bajo, 30% (27) medio y 25.6% (23) alto; y después de la aplicación educativa, 91.1% (82) es alto y 8.9% (08) medio. En las medidas de higiene, antes de la aplicación educativa, 42.2% (38) es bajo, 40% (36) medio y 17.8% (16) alto; y después de la aplicación educativa, 100% (90) es alto. Para evitar complicaciones, antes de la aplicación educativa, 55.6% (50) es bajo, 35.6% (32) medio y 8.9% (08) alto; y después de la aplicación educativa, 100% (90) es alto. Concluye que un programa educativo sobre el autocuidado tiene una efectividad significativa en los pacientes con quimioterapia ambulatoria en el Instituto Oncológico Miraflores – 2016. / Trabajo académico

Los pacientes que reciben hemodiálisis, deben cambiar su estilo de vida para sobrevivir, aprendiendo y realizando actividades para cuidar de si mismo, con las modificaciones que le impone la enfermedad; todo ello le permitirá sentirse bien, mantenerse en su entorno social, laboral y familiar independientemente. El éxito de ésta terapia dependerá de la capacidad de autocuidado que tengan para desarrollar actividades de la vida cotidiana y los efectos que le impone la enfermedad; siendo ello un área que requiere de valoración y orientación del autocuidado. Es así que la presente investigación tuvo por objetivo determinar la capacidad de autocuidado en los pacientes que reciben hemodiálisis periódica, tomando como marco referencial a la Teoría general de autocuidado de Dorothea Orem. El estudio es descriptivo de corte transversal, realizado en 218 pacientes que recibían hemodiálisis en el Centro de Hemodiálisis de EsSalud, seleccionados por muestreo probabilístico. Se utilizó como instrumento: La Valoración de Capacidad de autocuidado. La cual fue clasificada en: alto, medio y bajo. Se hizo uso del software SPSS versión 13.0 y la prueba estadística no paramétrica del Chi cuadrado. Los resultados fueron: 59% muestra nivel alto de capacidad de autocuidado; dentro del cual el 79% presento nivel alto en la habilidad para realizar las actividades de la vida cotidiana, y 53% nivel medio en conocimientos para realizar acciones de autocuidado frente a la enfermedad; concluyéndose que los pacientes evidenciaron un alto nivel de capacidad de autocuidado; frente a las actividades de la vida cotidiana; sin embargo evidenciaron un nivel medio de conocimientos para hacer frente a la enfermedad. / --- Patients receiving haemodialysis must change their lifestyles in order to survive, by learning and doing activities to look after themselves, with the modifications imposed by the disease, all of this will allow them to feel good, staying in their social, family and work environment, as more independent. The success of this therapy will depend on the ability of self-care that they have, to develop activities of daily living and the complex effects that imposes the disease, it remains an area that requires assessment and guidance of self-care. Thus, the present investigation had as main objective the determination of self-care ability, in patients that receive periodically haemodialysis, taking as a frame of reference Dorothea Orem’s Self-care General Theory. The study is descriptive with a transversal cut, to 218 patients that receive haemodialysis at EsSalud’s Haemodialysis Centre, selected by probability sampling. We used an instrument of self-care valoration. The measurement was classified as: high, medium and low. It was using the SPSS software version 13.0 and the nonparametric statistical test of the Chi square. The results showed that 59% had high level in self-care ability, within which 79% were high in the ability to perform activities of daily life, and 53% average level in knowledge against disease and its self-care; concluding that patients showed a high level of capacity for self-care; compared with the activities of daily life, but showed an average level of knowledge to deal with the disease. / Tesis

A survey of inventory systems was made of 15 randomly selected auto wrecking yards in northern Utah. The specific objectives were to determine what methods auto wrecking yards were using to keep track of their inventory, to determine the mangers' feelings toward inventory control and improvement of their present systems, and to determine the effectiveness of these systems in providing management information. This information was obtained through a questionnaire interview with managers of the yards sampled. The questionnaire was developed by the author using yards outside the sample area to pilot test and help develop the questionnaire. Results of this survey showed a continuum of systems ranging from the use of memory only up to an elaborate card sort system was being used in inventory control. All managers felt that inventory control was very important and that their present systems could be improved. Time was the limiting factor given for not making needed improvements. Only 60 percent of the mangers were keeping some form of written record. The management information provided by these records consisted mostly of physical information relating to the part available and the condition of these parts. Thirty percent of the managers had a record of capital invested and only 20 percent knew the cost of holding inventory in their yards. From this survey it was concluded that the majority of the inventory systems were inadequate when compared with the objectives of inventory control. More accurate cost information is needed to calculate and evaluate the profitability of the firm (return on invested capital).

Le travail de thèse a pour objectif la conception de micro-supercondensateurs tout-solide à base d’or nanoporeux, intégrés sur substrat de silicium. Dans un premier temps nous avons développé un procédé de formation de films d’or par réduction chimique auto-catalytique. Afin d’augmenter l’adhérence du film d’or sur le substrat de silicium, une couche d’accroche originale a été élaborée par procédé sol-gel. Il s’agit d’un film mince d’oxyde de zirconium (ZrO2) dopé par des nanoparticules d’or. La porosité de ces films d’or a été contrôlée par une méthode de templating à partir de microsphères de polystyrène (Ø ≈ 20 nm). Les films d’or nanoporeux peuvent atteindre 1,2 µm d’épaisseur en l’absence de délamination. La porosité est totalement interconnectée et la taille des pores (20 nm) a été choisie afin d’être compatible avec l’électrolyte utilisé. Le procédé fait uniquement intervenir des méthodes chimiques en solution et est totalement compatible avec les procédés classiques de micro-fabrication. Les films d’or nanoporeux constituant le matériau d’électrodes du micro-supercondensateur, ont été structurés par photolithographie sous la forme de peignes interdigités. L’imprégnation d’un électrolyte polymère gélifié (PVA / KOH) a permis de finaliser la fabrication du micro-supercondensateur tout-solide. Les caractérisations électrochimiques montrent que le micro-dispositif atteint une capacité surfacique de 240 µF/cm² à 20 mV/s, et peut endurer plus de 8000 cycles en ne perdant que 5% de sa capacité initiale. Ces performances sont comparables à celles des micro-supercondensateurs intégrés tout-solide reportées dans la littérature. / The thesis work aims at the design of nanoporous gold-based all-solid state micro-supercapacitors, integrated on a silicon substrate. In a first step, we have developed a process for the formation of gold films by auto-catalytic chemical reduction. In order to enhance the adhesion of the gold film to the silicon substrate, an original seed layer was produced by a sol-gel process. It consists in a thin film of zirconium oxide (ZrO2) doped with gold nanoparticles. The porosity of these gold films was controlled by a templating method using polystyrene microspheres (Ø ≈ 20 nm). Nanoporous gold films can reach a 1.2 μm thickness in the absence of delamination. The porosity is completely interconnected and the pore size (20 nm) was chosen in order to be compatible with the used electrolyte. The method only involves wet chemistry processes and is fully compatible with conventional micro-manufacturing processes. The nanoporous gold films constituting the electrode material of the micro-supercapacitor have been structured by photolithography in the form of interdigitated combs. The impregnation of a gelled polymer electrolyte (PVA / KOH) made it possible to finalize the manufacture of the all-solid state micro-supercapacitor. Electrochemical characterizations show that the micro-device reaches a surface capacitance of 240 μF/cm² at 20 mV/s, and can endure more than 8000 cycles, while losing only 5% of its initial capacitance. These performances are comparable to those of the all-solid state integrated micro-supercapacitors reported in the literature.