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1
Tinsi, Laura. "Modeling and optimal strategies in short-term energy markets." Electronic Thesis or Diss., Institut polytechnique de Paris, 2021. http://www.theses.fr/2021IPPAG005.
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Cette thèse vise à fournir des outils théoriques pour soutenir le développement et la gestion des énergies renouvelables intermittentes sur les marchés court terme de l'électricité.Dans la première partie, nous développons un modèle d'équilibre exploitable pour la formation des prix sur les marchés infrajournaliers de l'électricité. Pour cela, nous proposons un jeu non coopératif entre plusieurs producteurs interagissant sur le marché et faisant face à une production renouvelable intermittente. En utilisant la théorie des jeux et celle du contrôle stochastique, nous dérivons des stratégies optimales explicites pour ces producteurs ainsi qu'un prix d'équilibre en forme fermée pour différentes structures d'information et caractéristiques des joueurs. Notre modèle permet de reproduire et d'expliquer les principaux faits stylisés du marché intraday tels que la dépendance temporelle spécifique de la volatilité et la corrélation entre le prix et les prévisions de production renouvelable.Dans la deuxième partie, nous étudions des prévisions probabilistes dynamiques sous la forme de processus de diffusion. Nous proposons plusieurs modèles d'équations différentielles stochastiques pour capturer l'évolution dynamique de l'incertitude associée à une prévision, nous dérivons les densités prédictives associées et nous calibrons le modèle sur des données météorologiques réelles. Nous l'appliquons ensuite au problème d'un producteur éolien recevant des mises à jour séquentielles des prévisions probabilistes de la vitesse du vent, utilisées pour prédire sa production, et prendre des décisions d'achat ou de vente sur le marché. Nous montrons dans quelle mesure cette méthode peut être avantageuse comparée à l'utilisation de prévisions ponctuelles dans les processus décisionnels.Enfin, dans la dernière partie, nous proposons d'étudier les propriétésdes réseaux de neurones peu profonds agrégés. Nous explorons le cadre PAC-Bayesien comme alternative à l'approche classique de minimisation du risque empirique. Nous nous concentrons sur les priors Gaussiens et dérivons des bornes de risque non asymptotiques pour les réseaux de neurones agrégés. Ces bornes donnent des vitesses de convergence minimax pour l'estimation dans des espaces de Sobolev.Cette analyse fournit également une base théorique pour le réglage des paramètres et offre de nouvelles perspectives pour des applicationsdes réseaux de neurones agrégés à des problèmes pratiques de haute dimension, de plus en plus présents dans les processus de décision liés à l'énergie et impliquant des moyens de production renouvelable ou du stockageThis thesis focuses on providing theoretical tools to help in the development and management of intermittent renewable energy in short term electricity markets.In the first part, we develop a tractable equilibrium model for price formation in intraday electricity markets. For this, we propose a non cooperative game between several producers interacting in the market and facing an intermittent renewable production. Using stochastic control and game theory, we derive explicit optimal strategies for these producers as well as a closed form equilibrium price for different information structures and player characteristics. Our model allows to reproduce and explain the main stylized features of the intraday market such as the specific time dependence of volatility and the correlation between the price and the renewable production forecasts.In the second part, we study dynamic probabilistic forecasts in the diffusion framework. We propose several stochastic differential equation models to capture the dynamic evolution of the uncertainty associated to a forecast, derive the associated predictive densities and calibrate the model on real meteorological data. We then apply it to the problem of a wind energy producer receiving sequential updates of the probabilistic forecasts of the wind speed used to predict her production and make trading decisions in the market. We show to what extent this method can outperform the use of point forecasts in decision-making processes.Finally, in the last part, we propose to study the propertiesof aggregated shallow neural networks. We explore thePAC-Bayesian framework as an alternative to the classicalempirical risk minimization approach. We focus on Gaussianpriors and derive non-asymptotic risk bounds for theaggregated neural networks. These bounds yield minimaxrates of estimation over Sobolev smoothness classes.This analysis also provides a theoretical basis for tuning theparameters and offers new perspectives for applicationsof aggregated neural networks to practical high dimensionalproblems increasingly present in energy decision problemsinvolving renewables or storage
2
Coneys, Matthew. "Mandeville in Italy : the Italian version of the Book of John Mandeville and its reception (c. 1388-1600)." Thesis, University of Warwick, 2016. http://wrap.warwick.ac.uk/91215/.
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This thesis examines the Italian version of the Book of John Mandeville and its reception in the fifteenth and sixteenth centuries. Although the Book has been the subject of much critical investigation, the Italian redaction of the text has been largely ignored. Similarly, previous research into the reception of the Book has focused largely on its circulation in northern Europe. This study therefore aims both to bridge a gap in Mandeville studies and to make a valuable contribution to scholarly understanding of the circulation of vernacular literature in the Italian Renaissance. Research has been conducted along two principal lines. A close material analysis of surviving manuscript and printed copies of the Book has allowed the influence of individual actors on the text’s highly mutable content and form to be charted, revealing their specific attitudes and concerns. In addition to this, a broader survey of the Book’s influence on vernacular and Latin literary production in a number of genres has provided further evidence of Mandeville’s cultural impact. Following an Introduction that gives a more detailed analysis of the study’s scope, methodology and structure, Chapter 1 offers a broad overview of the Italian text and its manuscript and print circulation. The four following chapters each address a key theme in the Book’s reception, combining analysis of surviving manuscript and printed copies of the Book with a survey of its cultural impact. A Conclusion draws together these individual themes, offering some general considerations of the Book’s impact on Italian Renaissance culture and the place of the Italian version within the broader Mandeville tradition.
3
Faulkner, Trudy. "Accurate spirometry assessment and interpretation for chronic disease management of chronic obstructive pulmonary disease in general practice : what are the barriers for practice nurses?" Thesis, Cardiff University, 2016. http://orca.cf.ac.uk/91215/.
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Spirometry (lung function assessment) is an essential tool for the chronic disease management of chronic obstructive pulmonary disease (COPD). Chronic disease monitoring for COPD was introduced in 2004 and included spirometry for target achievement and financial remuneration within the Quality and Outcomes Framework of the General Medical Services Contract. However, practice nurses have anecdotally struggled to gain competence and expertise with the spirometric procedure and interpretation post 2004, despite the successful achievement of financial targets within the general practice setting. A sequential exploratory mixed methods study (Tashakkori and Teddlie, 2003) was undertaken within a University Health Board in Wales to determine what, if any, barriers exist for practice nurses undertaking spirometry assessment and interpretation for the chronic disease management of COPD. Quantitative data were collected via an online questionnaire. Qualitative interviews were conducted and analysed using an analysis framework method (Ritchie et al, 2003). The methodological framework of the feminist transformative lens (Caracelli and Greene, 1997) was utilised to gain an understanding of the barriers practice nurses faced in the gaining of competence with spirometry assessment and interpretation within the wider professional context. The quantitative results confirmed the anecdotal reports of difficulty with spirometry and demonstrated that lack of training was the greatest reason for lack of confidence in spirometric interpretation, followed by lack of clinical time and lack of general practitioner (GP) support. The qualitative results demonstrated that practice nurses are commonly working as disenfranchised isolated practitioners within general practice teams, and are commonly undertaking a procedure in which they are not highly confident. Recommendations for development of future clinical practice are: mandatory training with assessment of competency to improve skills with spirometry, in addition to supervisory support and training of GP colleagues. Other recommendations include: a greater focus on inter-professional team working to reduce professional isolation and disenfranchisement of practice nurses, and for practice nurses to actively contribute to local and national initiatives to improve spirometry services in the long term.
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Bagnoli, Lucia. "Risolubilità delle equazioni polinomiali." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2015. http://amslaurea.unibo.it/9115/.
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Scopo di questo elaborato è studiare la risolubilità per radicali di un polinomio a coefficienti in un campo di caratteristica zero attraverso lo studio del gruppo di Galois del suo campo di spezzamento. Dopo aver analizzato alcuni risultati su gruppi risolubili e gruppi semplici, vengono studiate le estensioni radicali e risolubili. Viene inoltre dimostrato su un campo K di caratteristica zero il Teorema di Galois, che caratterizza i polinomi risolubili per radicali f a coefficienti in K attraverso la risolubilità del gruppo di Galois G(L/K), dove L è il campo di spezzamento di f. La tesi contiene anche un'esposizione sintetica del metodo introdotto da Lagrange per la risoluzione di equazioni polinomiali di cui si conosca il gruppo di Galois.
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Anshari, Buan. "Structural behaviour of glued laminated timber beams reinforced by compressed wood." Thesis, University of Liverpool, 2012. http://livrepository.liverpool.ac.uk/9115/.
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As an engineered wood product, glued laminated timber (Glulam) is produced to minimise several natural weaknesses such as knots and non-uniform strength in order to enhance its stiffness and load carrying capacity. Many reinforcement methods have been tested, with promising results in increasing the strength and stiffness of beam. Recently, with increasing concern on environmental protection there is a growing trend in construction to use as many natural materials as possible. Therefore, conventional types of reinforcement using metals and/or synthetic materials do not fit well with this trend. A new approach to strengthen Glulam beams using pure natural materials has been established through this research. Glulam beams were strengthened by inserting compressed wood (CW) blocks into the pre-cut rectangular holes on the top of the beams. This practice was to make use of moisture-dependent swelling nature of the compressed wood. As a result, a pre-camber was produced in the mid-span of the beam reinforced. Significant initial tensile and compressive stresses were generated at both the top and the bottom extreme fibres of the beam, respectively. Material tests have been done to investigate material properties of compressed Japanese cedar with different compression ratios. Structural tests were undertaken for short and long Glulam beams strengthened by CW blocks after gained the pre-camber. 3-D finite element models have also been developed by using commercial code ABAQUS to simulate the pre-stressing behaviour of Glulam beams reinforced using compressed wood blocks. The finite element models were used to simulate the structural behaviour of the pre-stressed beams subjected to subsequent destructive bending tests. All computer models developed were validated against corresponding experimental results of the free moisture-dependent swelling, pre-stressing processes and the destructive tests for both the short and long beams. Reasonably good correlation was obtained in terms of the free swelling, the pre-camber, initial stress state of the Glulam beams reinforced and load-deflection relationships. Using validated computer models, parametric studies were further carried out to provide design information for such a reinforcing technique. The results have indicated that the reinforcing techniques using compressed wood blocks are very effective means to enhance the initial stiffness, bending strength and load carrying capacity of Glulam beams. The technology is ready to be applied in practice.
6
Holden, Daniel. "Modelling motivic processes in music : a mathematical approach." Thesis, University of Leeds, 2014. http://etheses.whiterose.ac.uk/9115/.
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This thesis proposes a new model for motivic analysis which, being based on the metaphor of a web or network and expanded using the mathematical field of graph theory, balances the polar concerns prevalent in analytical writing to date: those of static, out-of-time category membership and dynamic, in-time process. The concepts that constitute the model are presented in the third chapter, both as responses to a series of analytical observations (using the worked example of Beethoven’s Piano Sonata in F minor, Op. 2, No. 1), and as rigorously defined mathematical formalisms. The other chapters explore in further detail the disciplines and methodologies on which this model impinges, and serve both to motivate, and to reflect upon, its development. Chapter 1 asks what it means to make mathematical statements about music, and seeks to disentangle mathematics (as a tool or language) from science (as a method), arguing that music theory’s aims can be met by the former without presupposing its commonly assumed inextricability from the latter. Chapter 2 provides a thematic overview of the field of motivic theory and analysis, proposing four archetypal models that combine to underwrite much thought on the subject before outlining the problems inherent in a static account and the creative strategies that can be used to construct a dynamic account. Finally, Chapter 4 applies these strategies, together with Chapter 3’s model and the piece’s extensive existing scholarly literature, to the analysis of the first and last movements of Mahler’s Sixth Symphony. The central theme throughout – as it relates to mathematical modelling, music theory, and music analysis – is that of potential, invitation, openness, and dialogic engagement.
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Azevedo, Elizabeth Quirino de [UNESP]. "Ensino-aprendizagem das equações algébricas através da resolução de problemas." Universidade Estadual Paulista (UNESP), 2002. http://hdl.handle.net/11449/91015.
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azevedo_eq_me_rcla.pdf: 5218368 bytes, checksum: 48d4b3729b2c248f6e63e4d7f72e828e (MD5)Este trabalho tem como tema central de investigação o ensino-aprendizagem das equações algébricas através da resolução de problemas. Nesta abordagem buscaram-se respostas para a questão de seu ensino no final do 3 ano do Ensino Médio. O estudo levou a um aprofundamento teórico de temas como: o ensino-aprendizagem da matemática, a matemática necessária para um trabalho com equações algébricas e uma metodologia de ensino-aprendizagem da matemática através de resolução de problemas. Na pesquisa de campo a coleta de dados utilizou-se de entrevistas, questionário, análise de documentos legais, análise de livros didáticos e não didáticos. Os tópicos de análise foram: a importância do ensino-aprendizagem das equações algébricas no final do terceiro ano do Ensino Médio, a utilização das equações algébricas em cursos universitários e como o ensino das equações algébricas no final do Ensino Médio é visto por alguns autores de livros didáticos e pesquisadores em Educação Matemática. Ainda, o tema equações algébricas assume o papel de enfeixar um programa de ensino de matemática ao longo de doze anos de estudo. A metodologia adotada neste trabalho foi a Metodologia de Romberg.
This research has as central theme of investigation the teaching and learning of algebraic equations through problem solving. In this approach we have looked for answers to some questions about its teaching at the end of the third year of High School. The study took us to a theoretical deepening of themes like: the teaching and learning of mathematics, the necessary mathematics for a study with algebraic equations and a methodology of mathematics teaching and learning through problem solving. In the field research, we used interviews, questionnaires and analysis of legal documents and books. The topics of analysis were: the importance of teaching and learning of algebraic equations at the end of third year of High School, the use of algebraic equations in undergraduate courses and how the teaching of this topic at the end of High School is seen by some writers in mathematics education. So, the theme algebraic equations assumes the role of tying together the teaching of mathematics through twelve years of studying. As research methodology we adopted the Romberg's Methodology.
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Herminio, Paulo Henrique [UNESP]. "Matemática financeira: um enfoque da resolução de problemas como metodologia de ensino e aprendizagem." Universidade Estadual Paulista (UNESP), 2008. http://hdl.handle.net/11449/91115.
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herminio_ph_me_rcla.pdf: 1068176 bytes, checksum: 92277eb2432043302c8bf9010f3ac311 (MD5)Esta pesquisa é fruto de algumas muitas indagações sobre a Matemática Financeira ensinada na escola e dentre as quais destacamos: (1) Será que os alunos gostariam de adquirir conhecimentos sobre Matemática Financeira? (2) Como os professores abordam esse tema de estudo? Qual é a relevância desse trabalho para os alunos de acordo com a visão docente? Na pesquisa que se apresenta, fizemos um estudo introdutório sobre o início das relações comerciais e financeiras em nossa humanidade e procuramos abordar alguns aspectos sobre a história dessas relações em nosso país. Analisamos a maneira como os livros didáticos de Matemática traziam e trazem o conteúdo de Matemática Financeira no contexto da Matemática escolar, assim como a opinião dos professores com relação a esse conteúdo. Criamos um Projeto de Ensino que foi trabalhado através da Metodologia de Ensino-Aprendizagem de Matemática através da Resolução de Problemas, voltado para o trabalho com alunos em uma sala de aula de Ensino Médio, de forma investigativa e construtiva, sobre os conceitos de Matemática Financeira. Buscamos, através da aplicação desse projeto em sala de aula, tratar das reflexões sociais que envolvem os conceitos de Matemática Financeira. A Metodologia de pesquisa adotada foi a Metodologia de Romberg.
This research is fruit of some inquiries on the Financial Mathematics taught at school and among which we highlighted: (1) Would the students like to acquire knowledge on Financial Mathematics? (2) How do the teachers approach that study theme? Which is the relevance of that work for the students in agreement with the educational vision? In the research that comes, we made an introductory study on the beginning of the commercial and financial relationships in our humanity and we tried to approach some aspects on the history of those relationships in our country. We analyzed the way as the text books of Mathematics brought and bring the content of Financial Mathematics in the context of the school Mathematics, as well as the teachers' opinion regarding that content. We created a Project of Teaching that was worked through the Methodology of Teaching-Learning Mathematics through the Problem Solving, returned for the work with students in a High School classroom, in a investigative and constructive form, on the concepts of Financial Mathematics. We looked for, through the application of that project in classroom, to treat of the social reflections that involve the concepts of Financial Mathematics. The Methodology of adopted research was the Methodology of Romberg.
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Silva, Cláudia da [UNESP]. "Eficácia de um Programa de remediação fonológica e leitura em escolares com distúrbio de aprendizagem." Universidade Estadual Paulista (UNESP), 2009. http://hdl.handle.net/11449/91215.
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silva_c_me_mar.pdf: 672543 bytes, checksum: 7bb45e582442ec02c8aa08741f19e790 (MD5)Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
A aprendizagem pode ser definida como um processo que ocorre no sistema nervoso central, em que são produzidas mudanças mais ou menos permanentes, que se traduzem em uma modificação funcional ou de comportamento, permitindo uma melhor adaptação do indivíduo ao meio como resposta a uma ação ambiental. O distúrbio de aprendizagem é uma expressão genérica que se refere a um grupo heterogêneo de alterações que manifestam dificuldades significativas na aquisição e no uso da audição, fala, leitura, escrita, raciocínio ou habilidades matemáticas. O objetivo deste estudo consiste em verificar a eficácia terapêutica de um programa de remediação fonológica e leitura em escolares com distúrbio de aprendizagem. Participaram deste estudo 40 crianças de 2ª a 4ª séries de ensino fundamental do município de Marília-SP, de ambos os gêneros, na faixa etária de 8 a 12 anos de idade, sendo distribuídos nos seguintes grupos: GI: composto de 20 escolares sem dificuldades de aprendizagem da rede municipal de ensino público, subdividido em GIE (10 escolares que foram submetidos ao programa de remediação fonológica e leitura) e GIC (10 escolares que não foram submetidos ao programa de remediação fonológica e leitura), e GII: composto de 20 escolares com diagnóstico interdisciplinar de distúrbio de aprendizagem, subdivididos em GIIE (10 escolares que foram submetidos ao programa de remediação fonológica e leitura) e GIIC (10 escolares que não foram submetidos ao programa de remediação fonológica e leitura). Em situação de pré e pós-testagem, todos os sujeitos deste estudo foram submetidos à aplicação do Teste de Desempenho Cognitivo-Lingüístico nas versões coletivo e individual, seguido de avaliação da leitura oral e da compreensão de textos. Os resultados foram analisados estatisticamente, utilizando o Teste de Mann- Whitney com o objetivo de verificar...
Learning is a process that occurs in the central nervous system in which permanent changes happen, provoking functional or behavioural change. It allows an individual to adapt in the environment he makes part. Learning difficulty is a generic expression regarding to heterogeneous groups of modification that manifest relevant difficulty in acquiring and using hearing, talking, reading, writing and mathematical aptitude. Thus, this research aims verifying therapeutic effectiveness of the phonological and reading program of remediation in students with learning difficulty 40 students of both gender and ranging 8 to 12 years old, of the elementary school of Marília, SP, Brazil, participated of this study. They were divided in groups: GI – 20 students without learning difficulty subdivided in GIE (10 students that have being submitted to the program of remediation) and GIC (10 students that have not being submitted to the program of remediation); and GII: 20 students with learning difficulty subdivided in GIIE (10 students that have being submitted to the program of remediation) and GIIC (10 students that have not being submitted to the program of remediation). In previous and post testing situation, all subjects of this study have being submitted to the Cognitive-Linguistic Performance Test in the collective and individual version and submitted to oral reading and text comprehension tasks. The results were statistically analyzed using the Mann- Whitney Test aiming at verifying differences of the groups of previous and post testing. They were also statistically analyzed using the Wilcoxon Test aiming at verifying differences of both moment, previous and post testing, considered in the assessment of each group. Data were analyzed using Friedman Test aiming at verifying differences of the variables of each group. The results highlighted that GI presented inferior development comparing... (Complete abstract click electronic access below)
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Santos, Laís da Conceição dos [UNESP]. "Bioecologia e capacidade predatória de Coccinellidae (Insecta: Coleoptera) alimentado com Schizaphis graminum (Rondani) (Hemiptera: Aphididae)." Universidade Estadual Paulista (UNESP), 2012. http://hdl.handle.net/11449/91315.
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santos_lc_me_jabo.pdf: 472882 bytes, checksum: 925de04697f816564416eec71082d5d8 (MD5)Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
O objetivo deste trabalho foi avaliar os aspectos biológicos, o potencial de predação e obter tabelas de vida de fertilidade do coccinelídeo Harmonia axyridis (Pallas) em comparação à Cycloneda sanguinea (Linnaeus) e Hippodamia convergens (Guérin-Meneville) tendo como presa Schizaphis graminum (Rondani). Larvas recém-eclodidas de cada uma das espécies de joaninhas foram individualizadas e alimentadas diariamente com ninfas e adultos de S. graminum à vontade. Na fase adulta foram separados dez casais, mantidos em copos de plástico transparentes de 350 mL e alimentados diariamente com o pulgão S. graminum, sendo os tratamentos representados pelas espécies de joaninhas. Comparando-se os três coccinelídeos, o período larval e ovo-adulto de H. axyridis foram os mais longos, 10,2 dias e 16,5 dias, respectivamente, enquanto o de C. sanguinea foi o menor. Adultos de H. axyridis apresentaram peso médio significativamente maior, 29,9 mg . Essa espécie apresentou a maior capacidade de predação, 1.493,7 pulgões na fase larval e 2.159,8 pulgões durante 10 dias da fase adulta. A capacidade total de oviposição e longevidade de H. axyridis, foi de 716,1 ovos e 135,0 dias, respectivamente, foram semelhantes àquelas apresentadas por C. sanguinea e H. convergens. A viabilidade dos estágios imaturos foi igual ou superior a 70%, indicando que a temperatura e a presa oferecida foram favoráveis ao desenvolvimento dessas três espécies. Harmonia axyridis se destacou pela maior capacidade de predação de pulgões S. graminum tanto na fase larval como na fase adulta. O valor de T (intervalo de tempo entre cada geração) para H. axyridis foi de 18,24 dias, o de C. sanguinea e H. convergens, foi, respectivamente, de 20,35 e 9,80 dias. Os resultados obtidos evidenciam o potencial de C. sanguinea, H. axyridis e H. convergens como agentes de controle biológico
The objective of this study was to evaluate the biological aspects and predatory potential of the coccinellid Harmonia axyridis (Pallas) in comparison to Cycloneda sanguinea (Linnaeus) and Hippodamia convergens (Guérin-Meneville) fed Schizaphis graminum (Rondani). Newly hatched larvae of each species of ladybugs were individualized and fed daily with nymphs and adults of S. graminum. In the adult stage were separed ten couples , kept in 350 mL clear plastic cups and fed daily with the aphid S. graminum, being the treatments represented by the species of ladybugs. Comparing the three coccinellids, the larval and egg-adult period of H. axyridis were the longest, 10.2 days and 16.5 days, respectively, while C. sanguinea had the shortest. Adults of H. axyridis showed significantly greater weight, on average 29.9 mg. This species showed the highest capacity of predation, consuming 1493.7 larval stage aphids and 2159.8 adult aphids during 10 days of adult stage. The total capacity of oviposition and longevity presented by H. axyridis, average of 716.1 eggs and 135.0 days, respectively, were similar to those presented by C. sanguinea and H. convergens. The viability of the evaluated stages was equal or higher than 70%, indicating that the temperature and prey offered were favorable to the development of these three species. H. axyridis showed the highest predation capacity of S. graminum aphids in both larvae and adult stages. The value of T (time interval between each generation) to H. axyridis was 18.24 days, of C. sanguinea and H. convergens was, respectively 20.35 and 9.80 days. The results showed the potential of C. sanguinea, H. axyridis and H. convergens as biological control agents
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Yagi, Benjamim Shiro [UNESP]. "Estudo da interface e aplicação dos materiais mimétricos ao design de produto e segurança do trabalho." Universidade Estadual Paulista (UNESP), 2006. http://hdl.handle.net/11449/91415.
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Universidade Estadual Paulista (UNESP)
O desenvolvimento de produtos de uso pessoal que seguem o design antropomórfico nem sempre podem ser planejados em detalhes mínimos para adaptação em sujeitos que representam as extremidades estatísticas da antropometria. Atento a esse obstáculo, o projeto do produto necessita de recursos que permitam contornar essa limitação. O uso de materiais que possuem capacidade de deformação elástica / moldabilidade se torna viável no sentido de adaptar o produto ao usuário, de forma a otimizar seu desempenho, obtendo maiores índices de segurança, conforto e preferência subjetiva sem modificar sua estrutura básica em função de detalhes antropométricos. A aplicação de forma planejada em locais estratégicos onde exista maior contato com o corpo, sob pressão via peso ou força aplicada faz com que o material se molde aos contornos locais do corpo, proporcionando conforto, firmeza e segurança. São elementos primordiais para a ideal funcionalidade de um produto e que agregam valores preferenciais no poder de decisão do usuário. Dessa forma, é compilado o conceito dos Materiais Miméticos, cujo foco do presente estudo é a análise de preferência subjetiva de sujeitos por equipamentos de proteção individuais que possuem esses materiais moldáveis ao corpo como parte fundamental de sua estrutura; a constatação que a preferência está ligada às sensações produzidas através do material; os fatores decisivos para a escolha definitiva do usuário; análise de interface; e elementos secundários de design para contribuição referencial...
Development of products for personal use that follows the anthropomorphic design can not ordinarily be planned with meticulous details for the adjustment to subjects who represent the statistical extremes of anthropometry. Considering this obstacle, the productþs project demands resources that make it possible to hurdle this limitation. The use of material with flexible deforming capacity / capacity of shaping becomes something viable in a sense of adjusting product to user in order to enhance their performance, obtaining higher rates of safety, comfort and personal preference without modifying the basic structure in assignation of anthropometric details. The previously planned application in strategic areas where there is a greater contact with the body, under pressure by weight or employed strength, makes the material adapt to local contours of the body providing comfort, firmness and security. These are primal elements for the ideal functioning of a product and they aggregate preferential values to the userþs power of choice. This way, it is formulated the concept of Mimetic Materials, related to the aim of this study which are the analysis of subjectsþ personal preference for personal protection equipments that have this kind of material adaptable to the body as a fundamental part of their structure; the verification that preference is related to sensations produced by the material; decisive factors for userþs final choice; analysis of the interface; and secondary elements of design for referential contribuition... (Complete abstract, click electronic address below)
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Cerdas, Emerson [UNESP]. "A Ciropedia de Xenofonte: um romance de formação na Antiguidade." Universidade Estadual Paulista (UNESP), 2011. http://hdl.handle.net/11449/91515.
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
A Ciropedia de Xenofonte, escrita no século IV a.C., é uma obra de caráter híbrido, em que a ficção e a história se mesclam com muita liberdade. Em virtude disto, tem-se discutido qual seria a melhor classificação de gênero para a obra: romance biográfico, obra historiográfica, romance histórico. A presente dissertação investiga em que medida a Ciropedia de Xenofonte apresenta elementos narrativos que nos permitam reconhecer nela aspectos do gênero do romance, mais especificamente do “romance de formação” (Bildungsroman), gênero cujo paradigma se encontra na obra de Goethe, Os Anos de Aprendizagem de Wilhelm Meister (1795-1796). Primeiramente, procuramos definir em que medida nós podemos ler a Ciropedia como uma obra de ficção, e não como uma obra historiográfica, a partir de reflexões a respeito das relações entre Literatura e História, e, principalmente, por meio de uma análise comparativa entre a narrativa da Ciropedia com a narrativa das Histórias de Heródoto. Percebe-se que Xenofonte ficcionaliza a narrativa estabelecida por Heródoto, seja retomando temas, seja fazendo alusões à narrativa herodoteana. Em seguida, partindo-se da noção bakhtiniana de que todo gênero conserva, em sua estrutura, elementos formais da archaica, que não só caracterizam o gênero de forma distintiva, mas também permitem a sua renovação a cada nova manifestação literária, procuramos definir quais elementos essenciais presentes no Romance de Formação moderno encontramos na Ciropedia. Analisamos cenas em que são evidentes a partipação de mentores, a presença de uma instituição pedagógica, a visão teleológica da educação. Além disso, uma das características essenciais do “Romance de Formação” é a presença de uma personagem dinâmica e evolutiva, que se forma e educa...
The Xenophon’s Cyropaedia, written in the fourth century B.C., it is a work of hybrid character, in which fiction and history mingle with a lot of freedom. Because of this, it has been discussed what would be the best genre classification for the work: biographical novel, work of historiography, historical novel. This dissertation investigates the extent to which Cyropaedia Xenophon's narrative has elements that allow us to recognize aspects of her romance genre, specifically the “Novel of Education” (Bildungsroman), genre whose paradigm is in the work Goethe’s Wilhelm Meister's Apprenticeship (1795-1796). First, we looked to define to what extent we can read the Cyropaedia as a work of fiction, and not as a work of historiography, from reflections on the relationship between Literature and History, and mainly through a comparative analysis between the narrative of Cyropaedia and the narrative of Herodotus’ Histories. We realize that Xenophon fictionalizes the narrative established by Herodotus, whether taking up subjects, or alluding to the Herodotus' narratives. Then, starting from the Bakhtin's notion that every genre preserves, in the structure, formal elements of archaica, that not only characterize the genre in the form distinctive, but also allows its renewal every new literary manifestation, we tried to define which essential elements present in modern novel of education we can find in Cyropaedia. We analyze scenes where are evident the action of mentors, the presence of an educational institution, the theological view of education. Moreover, an important characteristic essential of the “Novel of Education” is the presence of a dynamic and evolutionary character, that get formation in the course of the narrative. We analyzed the construction and evolution of the main character of the narrative... (Complete abstract click electronic access below)
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Silva, Ana Carolina Alves de Paula e. [UNESP]. "Avaliação por métodos fenotípicos e proteômicos de galatos de alquila com atividade anti-complexo Paracoccidioides." Universidade Estadual Paulista (UNESP), 2012. http://hdl.handle.net/11449/91615.
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Universidade Estadual Paulista (UNESP)
Paracoccidioides brasiliensis e P. lutzii são fungos dimórficos, agentes etiológicos da paracoccidioidomicose, que é uma micose humana sistêmica geograficamente confinada na América Latina. Vários antifúngicos podem ser utilizados para o tratamento dessa doença, tais como anfotericina B, sulfamídicos e azólicos (itraconazol) e de maneira geral seu uso é prolongado. As limitações frequentes dos antifúngicos e o aumento na incidência das infecções fúngicas sistêmicas têm ressaltado a necessidade da descoberta e do desenvolvimento de novos fármacos. O objetivo deste estudo foi comparar a atividade antifúngica de anfotericina B, itraconazol e galatos de alquila anti-complexo de Paracoccidioides por métodos fenotípicos e proteômicos. Para tanto foi padronizado o teste de sensibilidade para selecionar o galato de maior potência, utilizando o documento M27-A2 (2002), modificado pela adição de Alamar Blue. Adicionalmente, análises proteômicas foram realizadas antes e após tratamento com o antifúngico selecionado para verificar o perfil das possíveis proteínas-alvo. A atividade antifúngica foi estudada contra isolados de P. brasiliensis (S1, S2 e PS3) e P. lutzii, (Pb01-like), e depois o teste foi estendido para mais seis isolados. O valor da CIM do ácido gálico variou de 31,25 a 0,250 mg/L para todos os isolados. Os galatos mostraram valores de CIM entre 16 a 0,004 mg/L. O menor valor de CIM foi observado para seis galatos que possuem uma substituição por uma cadeia relativamente longa de carbonos. O perfil proteico dos isolados Pl01 e Pb18 foi estudado por eletroforese 2D após contato com anfotericina B , itraconazol e o galato de decila (todos a uma concentração de 0,125 mg/L. Mais de 130 spots para ambos os fungos foram observados e a maioria destas proteínas...
Paracoccidioides brasiliensis and P. lutzii are dimorphic fungi, etiological agents of paracoccidioidomycosis, which is a systemic human mycosis geographically restricted to Latin America. Various antifungal agents may be used to treat this disease, such as amphotericin B, sulfamidic agents and itraconazole, and these drugs are used in long-term therapies. The limitations of antifungals and increased incidence of systemic fungal infections has underscored the need for discovery and development of new drugs. The objective of this study was to compare the antifungal activity of amphotericin B, itraconazole and alkyl gallates anti-Paracoccidioides complex by phenotypic and proteomic methods. Thus, the susceptibility test was applied to select the most potent gallate, using the document M27-A2 (2002), modified by the addition of Alamar Blue. Finally, proteomic analyses was developed before and after the treatment with the antifungal agent selected, to study the protein profile after this treatment. The antifungal activity was evaluated against isolates of P. brasiliensis (S1, S2 and PS3) and P. lutzii (PB01-like), and after, the test has been extended to six isolates. The MIC values of gallic acid varied from 31.25 to 0.250 mg/L for all isolates. The gallates showed MIC values ranging from 16 to 0,004 mg/L. The lowest MIC value was observed for six gallates bearing a substitution for a long side chain. The protein profile of isolates Pb18 and Pl01 was studied by 2D electrophoresis after contact with amphotericin B, itraconazole and decyl gallate, all in the concentration of (0.125 mg/L ). More than 130 spots for both species were observed, and the most of these proteins... (Complete abstract click electronic access below)
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Carvalho, Túlio Camaçarí de [UNESP]. "Redução do volume de vinhaça através do processo de evaporação." Universidade Estadual Paulista (UNESP), 2010. http://hdl.handle.net/11449/91715.
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A perspectiva de aumento da produção de álcool combustível causa preocupação com relação à destinação da vinhaça, subproduto da destilação do etanol de cana. A vinhaça é um poluente com alto teor de orgânicos e inorgânicos e que precisa ser tratada. Atualmente, a utilização da vinhaça in natura no solo é comum, porém, há controvérsias sobre salinização do solo e contaminação de aquíferos subterrâneos. Dentre os processos de tratamento da vinhaça, encontram-se na literatura científica, vários trabalhos a respeito da fertirrigação e digestão anaeróbica, mas não a respeito da evaporação da vinhaça, que pode ser realizada através de evaporadores tipo filme descendente. o objetivo deste trabalho foi avaliar o potencial de redução da quantidade de vinhaça através da evaporação, o que não descarta a utilização da vinhaça concentrada como fertilizante. Para isto, elaborou-se o balanço de massa e energia de uma planta de múltiplos efeitos de evaporação de vinhaça localizada na cidade de Potirendaba, São Paulo. Os resultados obtidos foram comparados com os dados da planta. A unidade de evaporação tem capacidade de processar cerca de 100m³/h de vinhaça e recupera cerca de 80 m³/h de água para o processo de usina. o balanço foi elaborado através de um software comercial (Sugars ) sendo que os resultados obtidos pela simulação refletiram os dados coletados na planta. Os coeficientes de transferência de calor e a área dos evaporadores foram calculados a partir de correlações da literatura. Analisou-se também recuperação de água em uma usina fictícia que produz 1.000 m³/dia de etanol, visando avaliar a evaporação de vinhaça como possível tecnologia a ser empregada para se atingir os requerimentos da resolução nº 88 da Secretaria de Estado do Meio Ambiente, que determina o consumo de água nas usinas em até 1 m³ por...
The perspective of increase in ethanol fuel production causes a worry about the vinasse destiny, an industrial waste ethanol distillation. The vinasse is a pollutant with high concentrations in organic compounds and it needs to te treated. Nowadays, the use of vinasse in natura in the soil is a common practice; however there are controversies about increase in the salts concentration in soil and water table contamination. Among vinasse treatment processes, there are several scientific approaches about vinasse evaporation, that can be carry on in falling film evaporators. Te proposal of this work was to study the decrease in the vinasse amount with the evaporation process, what does not eliminate the use of concentrated vinasse as a fertilizer. For this, it was elaborated the mass and energy balance for a multiple effect evaporation plant of vinasse based in Potorendaba city, São Paulo State. The obtained results were compared with the plant data. The evaporation plant has a process capacity of around to 100 m³/h and it recovers around to 80 m³/h of water to the mill process. The balance will be obtained through process modeling and simulation software (Sugars), it being the results agreed with the plant information. The heat transfer coefficients and the areas for the evaporators were calculated from literature correlations. It also was analyzed the water recovery of a fictitious sugar and ethanol mill that produces 1,000 m³/day of ethanol, in order to evaluate the vinasse evaporation as possible technology to be employed to attend the requirements of the law number 88 of Environment State Department, which determines a maximum water consumption of 1 m³ per tons of sugar cane processed. Finally, it was analyzed the potential reduction of vinasse transport cost by tank trucks
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Meza, Luis Enrique Arroyo [UNESP]. "Modelos não lineares com campos escalares: ladrilhamento e mundos-brana." Universidade Estadual Paulista (UNESP), 2011. http://hdl.handle.net/11449/91815.
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Nesta dissertação começamos estudando modelos não-lineares com campos escalares reais em (1+1) dimensões do espaço-tempo plano no âmbito da teoria supersimétrica. Analisamos as implicações da preservação da simetria Z3 no âmbito de uma teoria que preserva a supersimetria. Procuramos por um possível ladrilhamento no plano das con - gurações, plano (Á; Â), ainda com supersimetria mas com uma maior riqueza em simetrias discretas. Para isso, propusemos o superpotencial W, cuja con guração dos mínimos do potencial e os setores topológicos BPS e não-BPS, no plano (Á; Â), apresentam uma estrutura com simetria discreta complexa, na qual está contida a simetria discreta Z2Z2. Além disso, estudamos o comportamento das soluções topológicas através da variação dos valores de um parâmetro c0 associado à equação da órbita. Também estudamos modelos não-lineares com campos escalares reais acoplados à gravidade em (4+1) dimensões do espaço-tempo deformado. Consideramos alguns modelos que geram branas espessas (defeitos topológicos) onde a gravidade pode ser localizada. Nós achamos o valor da energia do campo escalar para todo modelo que gera brana espessa. Também estudamos a energia do sistema e sua relação com as equações de Bogomol'nyi e as Equações de Einstein. Finalmente, ampliamos a análise de um modelo com dinâmica não-canônica no cenário de mundos-brana. Neste caso, constatamos que, embora o modelo possuí uma dinâmica não-canônica, ele admite branas espessas que suportam localização de férmions sem massa
In this dissertation we begin by studying non-linear models with real scalar elds in (1+1) dimensions of a space-time. Such models can be seen as the bosonic sector of a supersymmetric theory. We analyze the implications of the Z3 symmetry under a theory that preserves supersymmetry. We look for the necessary conditions to tile the con guration plane (Á; Â), by keeping the supersymmetry together with a great wealth of discrete symmetries. For this, we propose a superpotential W, whose con guration of minima of the potential and topological BPS and non-BPS solutions have a complex structure with discrete symmetry, as the Z2 Z2 symmetry. Furthermore, we study the behavior of solutions of the equations by means of the orbit equation. Moreover, we study non-linear models with real scalar elds coupled to gravity in (4+1) dimensions. We consider some models that generate thick branes (topological defects) where gravity can be localized. We analyze the implications of the metric AdS5 and the minimum of the energy associated to the scalar elds, particularly in the region of the extra space coordinate where the energy density of matter is negative. We also study the energy of the system and its relationship to Bogomol'nyi and Einstein equations. Finally, we nish the analysis of thick branes in warped space-time by introducing a model which engenders a generalized dynamics for the scalar eld. We show that despite the non-canonical dynamics, such models engenders thick branes which can support localized massless fermions
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Tavares, Danila Fernandes [UNESP]. "Conseqüencias do arrasto viscoso no modelo Fermi-Ulam." Universidade Estadual Paulista (UNESP), 2008. http://hdl.handle.net/11449/91915.
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Estudamos, neste trabalho, algumas propriedades dinâmicas do Modelo do Acelerador de Fermi, em três versões distintas: uma versão conservativa e duas versões dissipativas. A primeira versão dissipativa com amortecimento proporcional à velocidade da partícula e a segunda versão dissipativa com amortecimento proporcional ao quadrado da velocidade. Nas versões dissipativas, a força de dissipação é introduzida via arrasto viscoso e age ao longo de toda a trajetória da partícula. O modelo de Fermi é um modelo unidimensional que consiste de uma partícula clássica de massa m que move-se com velocidade constante e sofre colisões elásticas com duas paredes rígidas. Uma delas é fixa ao passo que a posição da outra é dependente do tempo. A descrição da dinâmica dos modelos é feita todas as vezes que a partícula colide com a parede móvel, de modo que o conhecimento dos valores da velocidade da partícula e do tempo no instante da colisões descrevem toda a dinâmica. O mapeamento que descreve a dinâmica é bidimensional, não linear e, para os casos dissipativos, obtidos via soluçãoo de equações diferenciais. Analisamos os modelos numericamente e apresentamos e discutimos nossos resultados.
Some dynamic properties of the one-dimensional Fermi Accelerator Model under the presence and absence of frictional force are studied. We have considered three different versions, namely: a conservative and two dissipative versions. The first dissipative version consists in considering the damping to be proportional to the particle’s velocity while the second one assumes the damping to be proportional to the square particle’s velocity. For the dissipative versions, we have introduced dissipation via a drag force, like a gas, that act during all trajectory of the particle. The Fermi accelerator model consists of a classical particle of mass m that is confined in and suffers elastic collisions with two walls. One of them is fixed while the other is time dependent. The description of the dynamics of either models is made all the times the particle bounces the moving wall. It is made via a two dimensional non linear mapping. For the dissipative cases the mapping is obtained via differential equations. We investigate both models analytically and numerically, present and discuss our results.
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Yagi, Benjamim Shiro. "Estudo da interface e aplicação dos materiais mimétricos ao design de produto e segurança do trabalho /." Bauru : [s.n.], 2006. http://hdl.handle.net/11449/91415.
Abstract:
Orientador : Abílio Garcia dos Santos FilhoBanca: João Candido Fernandes
Banca: César Antunes de Freitas
Resumo: O desenvolvimento de produtos de uso pessoal que seguem o design antropomórfico nem sempre podem ser planejados em detalhes mínimos para adaptação em sujeitos que representam as extremidades estatísticas da antropometria. Atento a esse obstáculo, o projeto do produto necessita de recursos que permitam contornar essa limitação. O uso de materiais que possuem capacidade de deformação elástica / moldabilidade se torna viável no sentido de adaptar o produto ao usuário, de forma a otimizar seu desempenho, obtendo maiores índices de segurança, conforto e preferência subjetiva sem modificar sua estrutura básica em função de detalhes antropométricos. A aplicação de forma planejada em locais estratégicos onde exista maior contato com o corpo, sob pressão via peso ou força aplicada faz com que o material se molde aos contornos locais do corpo, proporcionando conforto, firmeza e segurança. São elementos primordiais para a ideal funcionalidade de um produto e que agregam valores preferenciais no poder de decisão do usuário. Dessa forma, é compilado o conceito dos Materiais Miméticos, cujo foco do presente estudo é a análise de preferência subjetiva de sujeitos por equipamentos de proteção individuais que possuem esses materiais moldáveis ao corpo como parte fundamental de sua estrutura; a constatação que a preferência está ligada às sensações produzidas através do material; os fatores decisivos para a escolha definitiva do usuário; análise de interface; e elementos secundários de design para contribuição referencial... (Resumo completo, clicar acesso eletrônico abaixo)
Abstract: Development of products for personal use that follows the anthropomorphic design can not ordinarily be planned with meticulous details for the adjustment to subjects who represent the statistical extremes of anthropometry. Considering this obstacle, the productþs project demands resources that make it possible to hurdle this limitation. The use of material with flexible deforming capacity / capacity of shaping becomes something viable in a sense of adjusting product to user in order to enhance their performance, obtaining higher rates of safety, comfort and personal preference without modifying the basic structure in assignation of anthropometric details. The previously planned application in strategic areas where there is a greater contact with the body, under pressure by weight or employed strength, makes the material adapt to local contours of the body providing comfort, firmness and security. These are primal elements for the ideal functioning of a product and they aggregate preferential values to the userþs power of choice. This way, it is formulated the concept of Mimetic Materials, related to the aim of this study which are the analysis of subjectsþ personal preference for personal protection equipments that have this kind of material adaptable to the body as a fundamental part of their structure; the verification that preference is related to sensations produced by the material; decisive factors for userþs final choice; analysis of the interface; and secondary elements of design for referential contribuition... (Complete abstract, click electronic address below)
Mestre
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Goldfine, Neil. "Process analysis and design for grinding robot tool holders." Thesis, Massachusetts Institute of Technology, 1985. http://hdl.handle.net/1721.1/91315.
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Vardouli, Rodanthi, and Kurt 1887-1948 Schwitters. "Performative autobiography as design attitude : the Merz-World of Kurt Schwitters." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/91415.
Abstract:
Thesis: S.M., Massachusetts Institute of Technology, Department of Architecture, 2014.Cataloged from PDF version of thesis. "June 2014."
Includes bibliographical references (pages 133-134).
At the end of the First World War, middle class bourgeois Kurt Schwitters retreated into his studio in Hanover to literally nail together the ruins of a world that had fallen to pieces. In doing so, he produced one of the most controversial works of the early 20th century artistic avant-garde, the Merzbau. In my thesis, I argue that in the construction of the Merzbau, Schwitters put forth a novel design attitude, which I coin "performative autobiography," and whose workings, I aspire to activate, by revisiting his activity from a present-centric perspective and with a designer's onlook. I examine Merz as a design attitude of world-creation, according to which the designer transforms personal disposition into the order of the work, which I believe presents affinities with image and affect based modes of operation within what cultural theorist Gregory Ulmer coins "electracy" to describe the technological, ideological and institutional apparatus of the contemporary epoch. I argue that Merz prefigured currently emerging modes of being, thinking, and creating, and presents potential for thinking about and engaging in design praxis in a world saturated with recording and communication technologies. Also, I suggest the artistic technique of assemblage as launched by Dada and recast by Schwitters, as a productive descriptive framework for discussing being and making sense of the world of digital recording and communication technologies. The implications of these two associations that I make refer broadly to the questions of who designs and what. I argue that assemblage as practiced by Schwitters expanded these questions to include potentially everyone as a designer and reality as a design project. Merz transcended the atemporal and impersonal aesthetics of combination and suggested a procedural attitude of creating by including the onlooker as an active agent in the signification of the whole. We can all be designers, Schwitters implicitly suggested, assembling fragments of a world that is constantly being recorded and turned into bits, not as fixed elementary units but as products of a subjective segmentation, into new material or immaterial realities. In this spirit, I set out to retell the story of the Merzbau in terms of Schwitters' account for the whole world with the vision to provide an intellectual scaffolding that will enable contemporary designers to invent new worlds, by directing, augmenting and putting to work their own "performative autobiographies."
by Rodanthi Vardouli.
S.M.
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Gopal, Vineet. "PhysioMiner : a scalable cloud based framework for physiological waveform mining." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/91815.
Abstract:
Thesis: M. Eng., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2014.Thesis: S.B., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2014.
Cataloged from PDF version of thesis.
Includes bibliographical references (pages 69-70).
This work presents PhysioMiner, a large scale machine learning and analytics framework for physiological waveform mining. It is a scalable and flexible solution for researchers and practitioners to build predictive models from physiological time series data. It allows users to specify arbitrary features and conditions to train the model, computing everything in parallel in the cloud. PhysioMiner is tested on a large dataset of electrocardiography (ECG) from 6000 patients in the MIMIC database. Signals are cleaned and processed, and features are extracted per period. A total of 1.2 billion heart beats were processed and 26 billion features were extracted resulting in half a terabyte database. These features were aggregated for windows corresponding to patient events. These aggregated features were fed into DELPHI, a multi algorithm multi parameter cloud based system to build a predictive model. An area under the curve of 0.693 was achieved for an acute hypotensive event prediction from the ECG waveform alone. The results demonstrate the scalability and flexibility of PhysioMiner on real world data. PhysioMiner will be an important tool for researchers to spend less time building systems, and more time building predictive models.
by Vineet Gopal.
M. Eng.
S.B.
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Su, Mingjuan. "Palladium-catalyzed C-N cross-coupling and application to the synthesis of delayed singlet emitters for OLED development." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/91115.
Abstract:
Thesis: Ph. D. in Organic Chemistry, Massachusetts Institute of Technology, Department of Chemistry, 2014.Cataloged from PDF version of thesis.
Includes bibliographical references.
The studies in the present dissertation were aimed at developing and applying synthetic methods mediated by palladium catalysis. In Chapters 1 and 2, the palladium-catalyzed amidation and amination of five-membered heterocyclic bromides containing multiple heteroatoms are described. These methods provide efficient access to N-arylated imidazoles and pyrazoles in moderate to excellent yields. In Chapter 3, a series of novel triptycene-based compounds were synthesized using a palladium-catalyzed C-N, C-C, C-N cross-coupling sequence. Experimental results suggest that this series of compounds could potentially be used as delayed singlet emitters for organic light emitting devices. Chapter 1. Palladium-Catalyzed Amidation of Five-Membered Heterocyclic Bromides Palladium-catalyzed C-N cross-coupling between primary amides and five-membered heterocyclic bromides that contain multiple heteroatoms was achieved for the first time using the Pd/AdBrettPhos catalyst system. This system allows for efficient access to Narylated imidazoles, pyrazoles, thiazoles, pyrroles, and thiophenes in moderate to excellent yield. Experimental results and DFT calculations point to the need for electronrich and especially sterically demanding biaryl dialkylphosphine ligands to promote these difficult cross-coupling reactions. The same protocol was also extended to forming tertiary amides from secondary amides and five-membered heterocyclic bromides. Preliminary studies showed promising results using a Pd/AdRockPhos catalyst system. Chapter 2. Palladium-Catalyzed Amination of Unprotected Five-Membered Heterocyclic Bromides An efficient method for the palladium-catalyzed amination of unprotected bromoimidazoles and bromopyrazoles is presented. The transformation is facilitated by the use of our newly developed Pd-precatalyst based on the bulky biarylphosphine ligand, tBuBrettPhos. The mild reaction conditions employed allow for the preparation of a broad scope of aminoimidazoles and aminopyrazoles in moderate to excellent yields. Chapter 3. Synthesis of Delayed Singlet Emitters for OLED Development The development of novel thermally activated delayed fluorescence (TADF) materials for use in organic light emitting devices (OLEDs) is reported. A series of triptycenebased delayed singlet emitters have been synthesized using a palladium-catalyzed C-N, C-C, C-N cross-coupling sequence. Preliminary investigations have demonstrated that these compounds could serve as delayed singlet emitters at a range of wavelengths from orange to blue, which is highly desirable for organic electronics applications.
by Mingjuan Su.
Ph. D. in Organic Chemistry
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Tam, Lin Jennifer 1977. "Visualization of twin oscillating foils in the near wake of a model destroyer." Thesis, Massachusetts Institute of Technology, 2000. http://hdl.handle.net/1721.1/91715.
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Tavares, Danila Fernandes. "Conseqüencias do arrasto viscoso no modelo Fermi-Ulam /." Rio Claro : [s.n.], 2008. http://hdl.handle.net/11449/91915.
Abstract:
Orientador: Edson Denis LeonelBanca: Raimundo Nogueira da Costa Filho
Banca: Mario Roberto da Silva
Resumo: Estudamos, neste trabalho, algumas propriedades dinâmicas do Modelo do Acelerador de Fermi, em três versões distintas: uma versão conservativa e duas versões dissipativas. A primeira versão dissipativa com amortecimento proporcional à velocidade da partícula e a segunda versão dissipativa com amortecimento proporcional ao quadrado da velocidade. Nas versões dissipativas, a força de dissipação é introduzida via arrasto viscoso e age ao longo de toda a trajetória da partícula. O modelo de Fermi é um modelo unidimensional que consiste de uma partícula clássica de massa m que move-se com velocidade constante e sofre colisões elásticas com duas paredes rígidas. Uma delas é fixa ao passo que a posição da outra é dependente do tempo. A descrição da dinâmica dos modelos é feita todas as vezes que a partícula colide com a parede móvel, de modo que o conhecimento dos valores da velocidade da partícula e do tempo no instante da colisões descrevem toda a dinâmica. O mapeamento que descreve a dinâmica é bidimensional, não linear e, para os casos dissipativos, obtidos via soluçãoo de equações diferenciais. Analisamos os modelos numericamente e apresentamos e discutimos nossos resultados.
Abstract: Some dynamic properties of the one-dimensional Fermi Accelerator Model under the presence and absence of frictional force are studied. We have considered three different versions, namely: a conservative and two dissipative versions. The first dissipative version consists in considering the damping to be proportional to the particle's velocity while the second one assumes the damping to be proportional to the square particle's velocity. For the dissipative versions, we have introduced dissipation via a drag force, like a gas, that act during all trajectory of the particle. The Fermi accelerator model consists of a classical particle of mass m that is confined in and suffers elastic collisions with two walls. One of them is fixed while the other is time dependent. The description of the dynamics of either models is made all the times the particle bounces the moving wall. It is made via a two dimensional non linear mapping. For the dissipative cases the mapping is obtained via differential equations. We investigate both models analytically and numerically, present and discuss our results.
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Santos, Laís da Conceição dos. "Bioecologia e capacidade predatória de Coccinellidae (Insecta: Coleoptera) alimentado com Schizaphis graminum (Rondani) (Hemiptera: Aphididae) /." Jaboticabal : [s.n.], 2012. http://hdl.handle.net/11449/91315.
Abstract:
Orientador: Francisco Jorge CividanesCoorientador: Terezinha Monteiro dos Santos
Banca: Arlindo Leal Boiça Júnior
Banca: César Freire Carvalho
Resumo: O objetivo deste trabalho foi avaliar os aspectos biológicos, o potencial de predação e obter tabelas de vida de fertilidade do coccinelídeo Harmonia axyridis (Pallas) em comparação à Cycloneda sanguinea (Linnaeus) e Hippodamia convergens (Guérin-Meneville) tendo como presa Schizaphis graminum (Rondani). Larvas recém-eclodidas de cada uma das espécies de joaninhas foram individualizadas e alimentadas diariamente com ninfas e adultos de S. graminum à vontade. Na fase adulta foram separados dez casais, mantidos em copos de plástico transparentes de 350 mL e alimentados diariamente com o pulgão S. graminum, sendo os tratamentos representados pelas espécies de joaninhas. Comparando-se os três coccinelídeos, o período larval e ovo-adulto de H. axyridis foram os mais longos, 10,2 dias e 16,5 dias, respectivamente, enquanto o de C. sanguinea foi o menor. Adultos de H. axyridis apresentaram peso médio significativamente maior, 29,9 mg . Essa espécie apresentou a maior capacidade de predação, 1.493,7 pulgões na fase larval e 2.159,8 pulgões durante 10 dias da fase adulta. A capacidade total de oviposição e longevidade de H. axyridis, foi de 716,1 ovos e 135,0 dias, respectivamente, foram semelhantes àquelas apresentadas por C. sanguinea e H. convergens. A viabilidade dos estágios imaturos foi igual ou superior a 70%, indicando que a temperatura e a presa oferecida foram favoráveis ao desenvolvimento dessas três espécies. Harmonia axyridis se destacou pela maior capacidade de predação de pulgões S. graminum tanto na fase larval como na fase adulta. O valor de T (intervalo de tempo entre cada geração) para H. axyridis foi de 18,24 dias, o de C. sanguinea e H. convergens, foi, respectivamente, de 20,35 e 9,80 dias. Os resultados obtidos evidenciam o potencial de C. sanguinea, H. axyridis e H. convergens como agentes de controle biológico
Abstract: The objective of this study was to evaluate the biological aspects and predatory potential of the coccinellid Harmonia axyridis (Pallas) in comparison to Cycloneda sanguinea (Linnaeus) and Hippodamia convergens (Guérin-Meneville) fed Schizaphis graminum (Rondani). Newly hatched larvae of each species of ladybugs were individualized and fed daily with nymphs and adults of S. graminum. In the adult stage were separed ten couples , kept in 350 mL clear plastic cups and fed daily with the aphid S. graminum, being the treatments represented by the species of ladybugs. Comparing the three coccinellids, the larval and egg-adult period of H. axyridis were the longest, 10.2 days and 16.5 days, respectively, while C. sanguinea had the shortest. Adults of H. axyridis showed significantly greater weight, on average 29.9 mg. This species showed the highest capacity of predation, consuming 1493.7 larval stage aphids and 2159.8 adult aphids during 10 days of adult stage. The total capacity of oviposition and longevity presented by H. axyridis, average of 716.1 eggs and 135.0 days, respectively, were similar to those presented by C. sanguinea and H. convergens. The viability of the evaluated stages was equal or higher than 70%, indicating that the temperature and prey offered were favorable to the development of these three species. H. axyridis showed the highest predation capacity of S. graminum aphids in both larvae and adult stages. The value of T (time interval between each generation) to H. axyridis was 18.24 days, of C. sanguinea and H. convergens was, respectively 20.35 and 9.80 days. The results showed the potential of C. sanguinea, H. axyridis and H. convergens as biological control agents
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Silva, Ana Carolina Alves de Paula e. "Avaliação por métodos fenotípicos e proteômicos de galatos de alquila com atividade anti-complexo Paracoccidioides /." Araraquara : [s.n.], 2012. http://hdl.handle.net/11449/91615.
Abstract:
Orientador: Maria José Soares Mendes GianniniBanca: Luis Octávio Regasini
Banca: Eduardo Bagagli
Resumo: Paracoccidioides brasiliensis e P. lutzii são fungos dimórficos, agentes etiológicos da paracoccidioidomicose, que é uma micose humana sistêmica geograficamente confinada na América Latina. Vários antifúngicos podem ser utilizados para o tratamento dessa doença, tais como anfotericina B, sulfamídicos e azólicos (itraconazol) e de maneira geral seu uso é prolongado. As limitações frequentes dos antifúngicos e o aumento na incidência das infecções fúngicas sistêmicas têm ressaltado a necessidade da descoberta e do desenvolvimento de novos fármacos. O objetivo deste estudo foi comparar a atividade antifúngica de anfotericina B, itraconazol e galatos de alquila anti-complexo de Paracoccidioides por métodos fenotípicos e proteômicos. Para tanto foi padronizado o teste de sensibilidade para selecionar o galato de maior potência, utilizando o documento M27-A2 (2002), modificado pela adição de Alamar Blue. Adicionalmente, análises proteômicas foram realizadas antes e após tratamento com o antifúngico selecionado para verificar o perfil das possíveis proteínas-alvo. A atividade antifúngica foi estudada contra isolados de P. brasiliensis (S1, S2 e PS3) e P. lutzii, (Pb01-like), e depois o teste foi estendido para mais seis isolados. O valor da CIM do ácido gálico variou de 31,25 a 0,250 mg/L para todos os isolados. Os galatos mostraram valores de CIM entre 16 a 0,004 mg/L. O menor valor de CIM foi observado para seis galatos que possuem uma substituição por uma cadeia relativamente longa de carbonos. O perfil proteico dos isolados Pl01 e Pb18 foi estudado por eletroforese 2D após contato com anfotericina B , itraconazol e o galato de decila (todos a uma concentração de 0,125 mg/L. Mais de 130 spots para ambos os fungos foram observados e a maioria destas proteínas... (Resumo completo, clicar acesso eletrônico abaixo)
Abstract: Paracoccidioides brasiliensis and P. lutzii are dimorphic fungi, etiological agents of paracoccidioidomycosis, which is a systemic human mycosis geographically restricted to Latin America. Various antifungal agents may be used to treat this disease, such as amphotericin B, sulfamidic agents and itraconazole, and these drugs are used in long-term therapies. The limitations of antifungals and increased incidence of systemic fungal infections has underscored the need for discovery and development of new drugs. The objective of this study was to compare the antifungal activity of amphotericin B, itraconazole and alkyl gallates anti-Paracoccidioides complex by phenotypic and proteomic methods. Thus, the susceptibility test was applied to select the most potent gallate, using the document M27-A2 (2002), modified by the addition of Alamar Blue. Finally, proteomic analyses was developed before and after the treatment with the antifungal agent selected, to study the protein profile after this treatment. The antifungal activity was evaluated against isolates of P. brasiliensis (S1, S2 and PS3) and P. lutzii (PB01-like), and after, the test has been extended to six isolates. The MIC values of gallic acid varied from 31.25 to 0.250 mg/L for all isolates. The gallates showed MIC values ranging from 16 to 0,004 mg/L. The lowest MIC value was observed for six gallates bearing a substitution for a long side chain. The protein profile of isolates Pb18 and Pl01 was studied by 2D electrophoresis after contact with amphotericin B, itraconazole and decyl gallate, all in the concentration of (0.125 mg/L ). More than 130 spots for both species were observed, and the most of these proteins... (Complete abstract click electronic access below)
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Azevedo, Elizabeth Quirino de. "Ensino-aprendizagem das equações algébricas através da resolução de problemas /." Rio Claro : [s.n.], 2002. http://hdl.handle.net/11449/91015.
Abstract:
Orientador: Lourdes de la Rosa OnuchicBanca: Regina M.S.P. Tangredi
Banca: Romulo Campos Lins
Resumo: Este trabalho tem como tema central de investigação o ensino-aprendizagem das equações algébricas através da resolução de problemas. Nesta abordagem buscaram-se respostas para a questão de seu ensino no final do 3 ano do Ensino Médio. O estudo levou a um aprofundamento teórico de temas como: o ensino-aprendizagem da matemática, a matemática necessária para um trabalho com equações algébricas e uma metodologia de ensino-aprendizagem da matemática através de resolução de problemas. Na pesquisa de campo a coleta de dados utilizou-se de entrevistas, questionário, análise de documentos legais, análise de livros didáticos e não didáticos. Os tópicos de análise foram: a importância do ensino-aprendizagem das equações algébricas no final do terceiro ano do Ensino Médio, a utilização das equações algébricas em cursos universitários e como o ensino das equações algébricas no final do Ensino Médio é visto por alguns autores de livros didáticos e pesquisadores em Educação Matemática. Ainda, o tema equações algébricas assume o papel de enfeixar um programa de ensino de matemática ao longo de doze anos de estudo. A metodologia adotada neste trabalho foi a Metodologia de Romberg.
Abstract: This research has as central theme of investigation the teaching and learning of algebraic equations through problem solving. In this approach we have looked for answers to some questions about its teaching at the end of the third year of High School. The study took us to a theoretical deepening of themes like: the teaching and learning of mathematics, the necessary mathematics for a study with algebraic equations and a methodology of mathematics teaching and learning through problem solving. In the field research, we used interviews, questionnaires and analysis of legal documents and books. The topics of analysis were: the importance of teaching and learning of algebraic equations at the end of third year of High School, the use of algebraic equations in undergraduate courses and how the teaching of this topic at the end of High School is seen by some writers in mathematics education. So, the theme algebraic equations assumes the role of tying together the teaching of mathematics through twelve years of studying. As research methodology we adopted the Romberg's Methodology.
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Carvalho, Túlio Camaçarí de. "Redução do volume de vinhaça através do processo de evaporação /." Bauru : [s.n.], 2010. http://hdl.handle.net/11449/91715.
Abstract:
Orientador: Celso Luíz da SilvaBanca: Carlos Eduardo Vaz Rossell
Banca: Geraldo Luiz Palma
Resumo: A perspectiva de aumento da produção de álcool combustível causa preocupação com relação à destinação da vinhaça, subproduto da destilação do etanol de cana. A vinhaça é um poluente com alto teor de orgânicos e inorgânicos e que precisa ser tratada. Atualmente, a utilização da vinhaça "in natura" no solo é comum, porém, há controvérsias sobre salinização do solo e contaminação de aquíferos subterrâneos. Dentre os processos de tratamento da vinhaça, encontram-se na literatura científica, vários trabalhos a respeito da fertirrigação e digestão anaeróbica, mas não a respeito da evaporação da vinhaça, que pode ser realizada através de evaporadores tipo filme descendente. o objetivo deste trabalho foi avaliar o potencial de redução da quantidade de vinhaça através da evaporação, o que não descarta a utilização da vinhaça concentrada como fertilizante. Para isto, elaborou-se o balanço de massa e energia de uma planta de múltiplos efeitos de evaporação de vinhaça localizada na cidade de Potirendaba, São Paulo. Os resultados obtidos foram comparados com os dados da planta. A unidade de evaporação tem capacidade de processar cerca de 100m³/h de vinhaça e recupera cerca de 80 m³/h de água para o processo de usina. o balanço foi elaborado através de um software comercial (Sugars ) sendo que os resultados obtidos pela simulação refletiram os dados coletados na planta. Os coeficientes de transferência de calor e a área dos evaporadores foram calculados a partir de correlações da literatura. Analisou-se também recuperação de água em uma usina fictícia que produz 1.000 m³/dia de etanol, visando avaliar a evaporação de vinhaça como possível tecnologia a ser empregada para se atingir os requerimentos da resolução nº 88 da Secretaria de Estado do Meio Ambiente, que determina o consumo de água nas usinas em até 1 m³ por... (Resumo completo, clicar acesso eletrônico abaixo)
Abstract: The perspective of increase in ethanol fuel production causes a worry about the vinasse destiny, an industrial waste ethanol distillation. The vinasse is a pollutant with high concentrations in organic compounds and it needs to te treated. Nowadays, the use of vinasse "in natura" in the soil is a common practice; however there are controversies about increase in the salts concentration in soil and water table contamination. Among vinasse treatment processes, there are several scientific approaches about vinasse evaporation, that can be carry on in falling film evaporators. Te proposal of this work was to study the decrease in the vinasse amount with the evaporation process, what does not eliminate the use of concentrated vinasse as a fertilizer. For this, it was elaborated the mass and energy balance for a multiple effect evaporation plant of vinasse based in Potorendaba city, São Paulo State. The obtained results were compared with the plant data. The evaporation plant has a process capacity of around to 100 m³/h and it recovers around to 80 m³/h of water to the mill process. The balance will be obtained through process modeling and simulation software (Sugars), it being the results agreed with the plant information. The heat transfer coefficients and the areas for the evaporators were calculated from literature correlations. It also was analyzed the water recovery of a fictitious sugar and ethanol mill that produces 1,000 m³/day of ethanol, in order to evaluate the vinasse evaporation as possible technology to be employed to attend the requirements of the law number 88 of Environment State Department, which determines a maximum water consumption of 1 m³ per tons of sugar cane processed. Finally, it was analyzed the potential reduction of vinasse transport cost by tank trucks
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Cerdas, Emerson. "A Ciropedia de Xenofonte : um romance de formação na Antiguidade /." Araraquara : [s.n.], 2011. http://hdl.handle.net/11449/91515.
Abstract:
Orientador: Maria Celeste Consolin DezottiBanca: Cláudio Aquati
Banca: Márcia Valéria Zamboni Gobbi
Resumo: A Ciropedia de Xenofonte, escrita no século IV a.C., é uma obra de caráter híbrido, em que a ficção e a história se mesclam com muita liberdade. Em virtude disto, tem-se discutido qual seria a melhor classificação de gênero para a obra: romance biográfico, obra historiográfica, romance histórico. A presente dissertação investiga em que medida a Ciropedia de Xenofonte apresenta elementos narrativos que nos permitam reconhecer nela aspectos do gênero do romance, mais especificamente do "romance de formação" (Bildungsroman), gênero cujo paradigma se encontra na obra de Goethe, Os Anos de Aprendizagem de Wilhelm Meister (1795-1796). Primeiramente, procuramos definir em que medida nós podemos ler a Ciropedia como uma obra de ficção, e não como uma obra historiográfica, a partir de reflexões a respeito das relações entre Literatura e História, e, principalmente, por meio de uma análise comparativa entre a narrativa da Ciropedia com a narrativa das Histórias de Heródoto. Percebe-se que Xenofonte ficcionaliza a narrativa estabelecida por Heródoto, seja retomando temas, seja fazendo alusões à narrativa herodoteana. Em seguida, partindo-se da noção bakhtiniana de que todo gênero conserva, em sua estrutura, elementos formais da archaica, que não só caracterizam o gênero de forma distintiva, mas também permitem a sua renovação a cada nova manifestação literária, procuramos definir quais elementos essenciais presentes no Romance de Formação moderno encontramos na Ciropedia. Analisamos cenas em que são evidentes a partipação de mentores, a presença de uma instituição pedagógica, a visão teleológica da educação. Além disso, uma das características essenciais do "Romance de Formação" é a presença de uma personagem dinâmica e evolutiva, que se forma e educa... (Resumo completo, clicar acesso eletrônico abaixo)
Abstract: The Xenophon's Cyropaedia, written in the fourth century B.C., it is a work of hybrid character, in which fiction and history mingle with a lot of freedom. Because of this, it has been discussed what would be the best genre classification for the work: biographical novel, work of historiography, historical novel. This dissertation investigates the extent to which Cyropaedia Xenophon's narrative has elements that allow us to recognize aspects of her romance genre, specifically the "Novel of Education" (Bildungsroman), genre whose paradigm is in the work Goethe's Wilhelm Meister's Apprenticeship (1795-1796). First, we looked to define to what extent we can read the Cyropaedia as a work of fiction, and not as a work of historiography, from reflections on the relationship between Literature and History, and mainly through a comparative analysis between the narrative of Cyropaedia and the narrative of Herodotus' Histories. We realize that Xenophon fictionalizes the narrative established by Herodotus, whether taking up subjects, or alluding to the Herodotus' narratives. Then, starting from the Bakhtin's notion that every genre preserves, in the structure, formal elements of archaica, that not only characterize the genre in the form distinctive, but also allows its renewal every new literary manifestation, we tried to define which essential elements present in modern novel of education we can find in Cyropaedia. We analyze scenes where are evident the action of mentors, the presence of an educational institution, the theological view of education. Moreover, an important characteristic essential of the "Novel of Education" is the presence of a dynamic and evolutionary character, that get formation in the course of the narrative. We analyzed the construction and evolution of the main character of the narrative... (Complete abstract click electronic access below)
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Silva, Cláudia da. "Eficácia de um Programa de remediação fonológica e leitura em escolares com distúrbio de aprendizagem /." Marília : [s.n.], 2009. http://hdl.handle.net/11449/91215.
Abstract:
Orientador: Simone Aparecida CapelliniBanca: Clara Regina Brandão de Ávila
Banca: Paulo Sérgio Teixeira do Prado
Resumo: A aprendizagem pode ser definida como um processo que ocorre no sistema nervoso central, em que são produzidas mudanças mais ou menos permanentes, que se traduzem em uma modificação funcional ou de comportamento, permitindo uma melhor adaptação do indivíduo ao meio como resposta a uma ação ambiental. O distúrbio de aprendizagem é uma expressão genérica que se refere a um grupo heterogêneo de alterações que manifestam dificuldades significativas na aquisição e no uso da audição, fala, leitura, escrita, raciocínio ou habilidades matemáticas. O objetivo deste estudo consiste em verificar a eficácia terapêutica de um programa de remediação fonológica e leitura em escolares com distúrbio de aprendizagem. Participaram deste estudo 40 crianças de 2ª a 4ª séries de ensino fundamental do município de Marília-SP, de ambos os gêneros, na faixa etária de 8 a 12 anos de idade, sendo distribuídos nos seguintes grupos: GI: composto de 20 escolares sem dificuldades de aprendizagem da rede municipal de ensino público, subdividido em GIE (10 escolares que foram submetidos ao programa de remediação fonológica e leitura) e GIC (10 escolares que não foram submetidos ao programa de remediação fonológica e leitura), e GII: composto de 20 escolares com diagnóstico interdisciplinar de distúrbio de aprendizagem, subdivididos em GIIE (10 escolares que foram submetidos ao programa de remediação fonológica e leitura) e GIIC (10 escolares que não foram submetidos ao programa de remediação fonológica e leitura). Em situação de pré e pós-testagem, todos os sujeitos deste estudo foram submetidos à aplicação do Teste de Desempenho Cognitivo-Lingüístico nas versões coletivo e individual, seguido de avaliação da leitura oral e da compreensão de textos. Os resultados foram analisados estatisticamente, utilizando o Teste de Mann- Whitney com o objetivo de verificar... (Resumo completo, clicar acesso eletrônico abaixo)
Abstract: Learning is a process that occurs in the central nervous system in which permanent changes happen, provoking functional or behavioural change. It allows an individual to adapt in the environment he makes part. Learning difficulty is a generic expression regarding to heterogeneous groups of modification that manifest relevant difficulty in acquiring and using hearing, talking, reading, writing and mathematical aptitude. Thus, this research aims verifying therapeutic effectiveness of the phonological and reading program of remediation in students with learning difficulty 40 students of both gender and ranging 8 to 12 years old, of the elementary school of Marília, SP, Brazil, participated of this study. They were divided in groups: GI - 20 students without learning difficulty subdivided in GIE (10 students that have being submitted to the program of remediation) and GIC (10 students that have not being submitted to the program of remediation); and GII: 20 students with learning difficulty subdivided in GIIE (10 students that have being submitted to the program of remediation) and GIIC (10 students that have not being submitted to the program of remediation). In previous and post testing situation, all subjects of this study have being submitted to the Cognitive-Linguistic Performance Test in the collective and individual version and submitted to oral reading and text comprehension tasks. The results were statistically analyzed using the Mann- Whitney Test aiming at verifying differences of the groups of previous and post testing. They were also statistically analyzed using the Wilcoxon Test aiming at verifying differences of both moment, previous and post testing, considered in the assessment of each group. Data were analyzed using Friedman Test aiming at verifying differences of the variables of each group. The results highlighted that GI presented inferior development comparing... (Complete abstract click electronic access below)
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Ли, Ц., and J. Li. "Реформирование банковской системы Китая : магистерская диссертация." Master's thesis, б. и, 2020. http://hdl.handle.net/10995/91815.
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Vandresen, Thaís. "O impeachment dos ex-presidentes Fernando Collor de Mello e Dilma Vana Rousseff como resultantes de infrações às obrigações matrizes da responsabilidade do poder político." Doctoral thesis, Universidad de Alicante, 2019. http://hdl.handle.net/10045/91915.
Abstract:
La presente tesis de Doctorado –El Impeachment de los ex-presidentes Dilma Vana Rousseff y Fernando Collor de Mello como resultantes de infracción a las obligaciones matrices de la responsabilidad del poder político– está inserta en la línea de investigación: Principiología Constitucional y Política del Derecho y es el resultado de las investigaciones desarrolladas en el curso de postgrado stricto sensu a nivel de Doctorado en Ciencias Jurídicas en la Universidad del Valle del Itajaí - UNIVALI, en el área de concentración Constitucionalismo, Transnacionalidad y Producción del Derecho, con apoyo financiero de Capes a través de la Bolsa de Doctorado Sanduíche desarrollada en España y la Universidad de Alicante (España). Por tratarse de trabajo en doble titulación, se resalta que la tesis también corresponde a la línea de investigación Argumentación y Constitucionalismo, del Doctorado en Derecho, de la Universidad de Alicante. Su composición teórica tiene como objetivo general identificar cómo el incumplimiento de las Obligaciones Matrices de la Responsabilidad Política representaron infracciones aptas para dar lugar a la instauración y la condena de los Presidentes Fernando Collor y Dilma Rousseff en sus respectivos Procesos de Impedimento. Para la consecución de este objetivo, la investigación fue subdividida en cuatro objetivos, distribuidos, cada cual, en los cuatro capítulos y en la siguiente forma: El primer objetivo específico es estudiar los Sistemas de Gobierno y Separación de los Poderes para, en este contexto, analizar el desarrollo histórico y conceptuales de los fundamentos del Presidencialismo, abordando sus orígenes monárquicos y parlamentarios, sus elementos determinantes, su configuración institucional predominante en Brasil y en América Latina; el segundo objetivo específico es desarrollar un alcance doctrinal sobre la Responsabilidad Política, como la misma se implementa para determinar las infracciones políticas del Jefe del Poder Ejecutivo en el Sistema de Gobierno Presidencialista y cuál es la lógica institucional que plantea su judicialización. Para ello, se hará una incursión inicial en la idea de Republicanismo como origen del ideal de Responsabilidad Política y serán identificados los mecanismos de escrutin de esta especie de Responsabilidad en los Sistemas de Gobierno Presidencialista y Parlamentarista; el tercer objetivo específico es analizar el Impeachment en Brasil, su histórico, concepto, naturaleza jurídica, causas que pueden dar lugar a su instauración y verificar los límites de actuación del Poder Judicial en los Procesos de Impedimento sufridos por Fernando Collor y Dilma Rousseff. El cuarto objetivo específico es demostrar cómo los Procesos de Impedimento a que fueron sometidos los Presidentes Fernando Collor y Dilma Rousseff resultan de infracciones a las Obligaciones Matrices de la Responsabilidad del Poder Político. En cuanto a la Metodología se observa que el relato de los resultados se realiza en la base lógica inductiva.
32
Herminio, Paulo Henrique. "Matemática financeira : um enfoque da resolução de problemas como metodologia de ensino e aprendizagem /." Rio Claro : [s.n.], 2008. http://hdl.handle.net/11449/91115.
Abstract:
Orientador: Lourdes de la Rosa OnuchicBanca: Geraldo Perez
Banca: Norma Suely Gomes Allevato
Resumo: Esta pesquisa é fruto de algumas muitas indagações sobre a Matemática Financeira ensinada na escola e dentre as quais destacamos: (1) Será que os alunos gostariam de adquirir conhecimentos sobre Matemática Financeira? (2) Como os professores abordam esse tema de estudo? Qual é a relevância desse trabalho para os alunos de acordo com a visão docente? Na pesquisa que se apresenta, fizemos um estudo introdutório sobre o início das relações comerciais e financeiras em nossa humanidade e procuramos abordar alguns aspectos sobre a história dessas relações em nosso país. Analisamos a maneira como os livros didáticos de Matemática traziam e trazem o conteúdo de Matemática Financeira no contexto da Matemática escolar, assim como a opinião dos professores com relação a esse conteúdo. Criamos um Projeto de Ensino que foi trabalhado através da Metodologia de Ensino-Aprendizagem de Matemática através da Resolução de Problemas, voltado para o trabalho com alunos em uma sala de aula de Ensino Médio, de forma investigativa e construtiva, sobre os conceitos de Matemática Financeira. Buscamos, através da aplicação desse projeto em sala de aula, tratar das reflexões sociais que envolvem os conceitos de Matemática Financeira. A Metodologia de pesquisa adotada foi a Metodologia de Romberg.
Abstract: This research is fruit of some inquiries on the Financial Mathematics taught at school and among which we highlighted: (1) Would the students like to acquire knowledge on Financial Mathematics? (2) How do the teachers approach that study theme? Which is the relevance of that work for the students in agreement with the educational vision? In the research that comes, we made an introductory study on the beginning of the commercial and financial relationships in our humanity and we tried to approach some aspects on the history of those relationships in our country. We analyzed the way as the text books of Mathematics brought and bring the content of Financial Mathematics in the context of the school Mathematics, as well as the teachers' opinion regarding that content. We created a Project of Teaching that was worked through the Methodology of Teaching-Learning Mathematics through the Problem Solving, returned for the work with students in a High School classroom, in a investigative and constructive form, on the concepts of Financial Mathematics. We looked for, through the application of that project in classroom, to treat of the social reflections that involve the concepts of Financial Mathematics. The Methodology of adopted research was the Methodology of Romberg.
Mestre
33
SPATARO, Rossella. "VARIABILI GENETICHE, BIOLOGICHE E CLINICHE COME FATTORI PROGNOSTICI DI PROGRESSIONE E SOPRAVVIVENZA NELLA SCLEROSI LATERALE AMIOTROFICA." Doctoral thesis, Università degli Studi di Palermo, 2014. http://hdl.handle.net/10447/91215.
Abstract:
Questo studio ha riguardato l'analisi di alcune variabili prognostiche e di sopravvivenza nella sclerosi laterale amiotrofica, con particolare riferimento alla caratterizzazione di nuovi geni ed al ruolo di interventi di management.
34
ARRIGO, ELISA. "Responsabilità aziendale e dinamiche competitive." Doctoral thesis, Università degli Studi Milano-Bicocca, 2006. http://hdl.handle.net/10281/91315.
Abstract:
L’attività di ricerca contenuta nella tesi di dottorato si è sviluppata, dapprima, attraverso l’analisi a livello internazionale e nazionale dei principali contributi sulla corporate social responsibility (CSR), poi analizzando la responsabilità aziendale in un’ottica strategico-competitiva volta a comprendere perché le imprese tendano ad impegnarsi in attività che apparentemente esulano dalla loro funzione economica. Si è evidenziata la tesi secondo la quale una gestione strategica delle responsabilità aziendali consente alle imprese di intraprendere una crescita sostenibile generando consenso e acquisendo un vantaggio competitivo sui concorrenti.
35
Torrent, i. Sellens Joan. "Innovació tecnològica, creixement econòmic i economia del coneixement: una aproximació empírica, agregada i internacional a la incorporació del coneixement a l'activitat productiva durant la dècada dels noranta." Doctoral thesis, Universitat Oberta de Catalunya, 2002. http://hdl.handle.net/10803/9115.
Abstract:
ResumEl procés de mundialització econòmica, la revolució tecnològica digital i els nous patrons de demanda assenten les bases d'una nova economia, que es caracteritza per una massiva incorporació del coneixement a l'activitat econòmica. Podem afirmar, doncs, que la nova economia és l'economia del coneixement i que l'economia del coneixement és global, digital i amb una creixent demanda de mercaderies amb caràcter intangible. Aquest treball d'investigació analitza, des d'un punt de vista de
l'anàlisi econòmica, però amb un enfocament necessàriament interdisciplinari, les transformacions de l'activitat productiva vinculades amb l'ús intensiu del coneixement. Amb la intenció d'evidenciar empíricament com el coneixement s'ha revelat com un factor productiu i una mercaderia de progressiva importància econòmica a partir de la segona meitat de la dècada dels noranta a un ampli conjunt de països de l'OCDE i partint de la literatura sobre els fets i les fonts del creixement econòmic
s'han contrastat les següents hipòtesis. Primera, l'aplicació econòmica de les TIC defineix una
economia basada en el coneixement. Segona, la massiva incorporació de les TIC a l'activitat
econòmica defineix un nou esquema en la producció de coneixement. I, tercera, el coneixement és un
factor productiu determinant del nivell i del creixement de la productivitat i, en conseqüència, del creixement econòmic.
El proceso de mundialización económica, la revolución tecnológica digital y los nuevos patrones de
demanda sientan las bases de una nueva economía, que se caracteriza por la masiva incorporación del
conocimiento a la actividad económica. Podemos afirmar, pues, que la nueva economía es la economía
del conocimiento y que la economía del conocimiento es global, digital y con una demanda creciente
de mercancías con carácter intangible. Este trabajo de investigación analiza, desde el punto de vista
del análisis económico, pero con un enfoque interdisciplinario, las transformaciones de la actividad
productiva vinculadas con el uso intensivo del conocimiento. Con la intención de evidenciar
empíricamente como el conocimiento se ha revelado como un factor productivo y una mercancía de
progresiva importancia económica a partir de la segunda mitad de la década de los noventa en un
amplio conjunto de países de la OCDE y partiendo de la literatura sobre los hechos y las fuentes del
crecimiento económico se han contrastado las siguientes hipótesis. Primera, la aplicación económica
de las TIC define una economía basada en el conocimiento. Segunda, la masiva incorporación de las
TIC a la actividad económica define un nuevo esquema en la producción de conocimiento. Y, tercera,
el conocimiento es un factor productivo determinante en la explicación del nivel y el crecimiento de la
productividad y, en consecuencia, del crecimiento económico.
36
田中, 英一, Eiichi TANAKA, 創太 山本, Sota YAMAMOTO, 洋一 青木, Yoichi AOKI, 崇洋 岡田, Takahiro OKADA, 宏. 山田, and Hiroshi YAMADA. "骨の力学的再構築課程に対する数理モデルの定式化." 日本機械学会, 2000. http://hdl.handle.net/2237/9115.
37
Pagotto, Franco Joesph. "Genetic and molecular characterization of origins of replication from beta-lactamase-producing plasmids of Neisseria gonorrhoeae." Thesis, University of Ottawa (Canada), 2001. http://hdl.handle.net/10393/9115.
Abstract:
This work represents a comprehensive analysis of the precise structural relationship and organization existing amongst the gonococcal beta-lactamase-producing plasmids. The second major aspect of this work deals with investigations into the genetic and molecular characterization of the multiple origins of replication of the gonococcal beta-lactamase-producing plasmids. The Asia-plasmid, pJD4, a prototype gonococcal beta-lactamase-producing plasmid, is 7,426 bp and contains two large, direct repeats (DR-30A, 507 bp and DR-30B, 509 bp) which are implicated in the formation of deletion variant plasmids, such as the naturally-occurring Africa-type plasmid. The deletion observed in Africa-type plasmids, represented by pJD5, is 1,827 bp. One of the DR-30 repeats is also missing in the formation of Africa plasmids. The deletion in the Rio-type and several Toronto-type is 2,273 bp and the sequence spanning the deletion was identical irrespective of geographic or temporal origin. Thus, the Rio and Toronto-type plasmids are identical. The Nimes-type plasmid is proposed to be identical to the Africa-type but contains an IS 5 insertion sequence. Since IS5 has not been identified in gonococcal isolates and is not present in the gonococcal genome, it is suggested that this sequence was inserted after the original gonococcal plasmid was transformed into a strain of Escherichia coli. The New Zealand plasmid was shown to be an Asia-type plasmid which contains an endogenous tandem duplication of 1,883 bp. The direct repeat DR-2 is implicated in this duplication. Branch-point analysis by electron microscopy indicated that the Asia-type plasmid contains three origins of replication, named ori1, ori2, and ori3. Although pJD4 belongs to the incompatibility (Inc) group IncW, it also carries a silent IncFII determinant which is expressed when ori2 and ori3 are absent. The Africa-type plasmid was shown to carry only oril, belongs to the IncFII group, and, in contrast to pJD4, requires DNA polymerase I for replication. Plasmid constructs from pJD4 lacking oril but carrying ori2 and ori3 are incompatible with IncW plasmids, suggesting the ori2/ori3 region contains the IncW determinant. A novel replication initiation protein, RepB, was identified and shown to be necessary for ori2 and ori3 to function. The RepB is distinct from RepA, the replication initiation protein required for plasmids carrying ori1. (Abstract shortened by UMI.)
38
Steger, John B. "Use of ship-mounted acoustic doppler current profiler data to study mesoscale oceanic circulation patterns in the Archipielago de Colon (Galapagos Islands) and the Gulf of the Farallones." Monterey, California. Naval Postgraduate School, 1997. http://hdl.handle.net/10945/9115.
Abstract:
Approved for public release; distribution is unlimited.Ship-mounted acoustic Doppler current profiler (ADCP) data are used to study regional ocean patterns around the biologically rich regions of the Archipielago de Colon (Galapagos Islands) and the Gulf of the Farallones to test our assumptions about the circulation derived primarily from hydrographic samples. West of the Galapagos, an equatorial undercurrent transporting 7 Sv was present in November 1993, which decelerated within 30 km of the archipelago, shoaled, and diverged with a strong deflection to the southwest. A method of removing tidal velocities from ADCP measurements by creating an empirical model of the tides and using it to predict and subtract the tides is described. It is shown that in the Gulf of the Farallones, a large number of observations, typically more than acquired on one cruise, are necessary to reduce tidal model error. Detided ADCP data are used to describe the circulation in the Gulf under various wind conditions. Over the continental slope, Surface-to-depth poleward flow is present throughout the year. During wind relaxations, poleward flow strengthens and warmer, fresher water is transported onshore
39
Cline, Jason Alexander 1971. "Experimental and ab initio investigations into the fundamentals of corrosion, in the context of supercritical water oxidation systems." Thesis, Massachusetts Institute of Technology, 2000. http://hdl.handle.net/1721.1/9115.
Abstract:
Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 2000.Includes bibliographical references (leaves 195-207).
Supercritical water oxidation (SCWO) is a process which runs at 250 bar and 400- 6000 C to effect rapid and complete destruction of aqueous organics. The SCWO process streams are very corrosive and pose a materials performance challenge to even noble metals and the most advanced alloys. Corrosion in chlorinated, acidic streams at transitional temperatures (100-400° C) in a Hastelloy C-276 tube is examined through post-failure analysis and controlled exposure experiments. Dealloying and intergranular corrosion were observed. Dealloying rate was found to be strongly correlated with temperature and dielectric constant. Intergranular corrosion behavior was found to be affected by the alloy hardness. In order to understand the fundamental chemistry of localized chloride-assisted corrosion initiation, a density-functional calculation of Cr20 3 was performed and validated against experimental data. The (0001) surface of a-Cr20 3 was computed and found to experience strong relaxations in the terminal oxygens. The surface was found to be susceptible to attack by electron-rich species; this might be defeated by p-doping the oxide. Further, the chemically relevant states at the surface assumed a ferromagnetic order. Effects of a variable dielectric medium upon the chemistry of the surface were assessed for the bare surface and adsorption of H and Cl.
by Jason Alexander Cline.
Ph.D.
40
Saeed, Farhan. "Crack growth under dynamic loading in silanised silica filled rubber vulcanisates." Thesis, Loughborough University, 2011. https://dspace.lboro.ac.uk/2134/9115.
Abstract:
Rubbers are widely used to manufacture industrial articles such as tyres, conveyor belts, hoses, and engine mounts. During flexing, these articles fail in service due to initiation and subsequent growth of cracks leading to catastrophic failure. The failure is due to either environmental ageing by ozone and oxygen or mechanical failure due to crack initiation and growth. The unexpected failure in service is due to mechanical crack growth and may cause danger to life and property. Therefore, rubber articles are designed for long durability and low fatigue damage. To achieve these requirements, reinforcing fillers such as colloidal carbon black and synthetic silica are added to raw rubbers. In recent years, silica has been replacing carbon black in many industrial rubber articles. Some studies have investigated crack growth behaviour in unfilled and carbon black filled rubbers. But limited data is available for crack growth behaviour in silica-filled rubber vulcanisates and their effects on the durability and service life of industrial rubber articles has remained uncertain. When partly soluble chemical curatives are mixed with raw rubber, they migrate to the rubber surface, which can be detrimental to the rubber properties. Two rubber compounds with different amounts of curatives were prepared by mixing natural rubber with a high loading of precipitated amorphous white silica nanofiller. The silica surfaces were pretreated with bis(3-triethoxysilylpropyl)-tetrasulphane (TESPT) coupling agent to chemically adhere silica to the rubber. The chemical bonding between the filler and rubber was optimised via the tetrasulphane groups of TESPT by adding accelerators and activators. The rubber compounds were cured and stored at ambient temperature for up to 65 days before they were tested. One compound showed extensive blooming as a function of storage time. The cyclic fatigue life of the rubber vulcanisates was subsequently measured at a constant strain amplitude and test frequency at ambient temperature using standard dumbbell test pieces. The crack length, c, was also measured as a function of the number of cycles, N, at a constant strain amplitude ranging from 15% to 40% using tensile strip test pieces and the crack growth rate, dc/dn, was then calculated. The rate was subsequently plotted against the tearing energy, T, to determine correlation between the two. In storage, the chemical curatives migrated to the rubber surface and formed bloom. Blooming of the chemical curatives had detrimental effects on the cyclic fatigue life, crack growth rate and internal structure of the rubber. Blooming reduced the cyclic fatigue life of the rubber vulcanisate by more than 100%. The migrated chemical curatives produced thin layers approximately 15-20 µm in size beneath the rubber surface. When the rubber was stressed repeatedly, cracks initiated in these layers and subsequently grew, causing the cyclic fatigue life of the vulcanisate to decrease. At a given value of the tearing energy, the rate of crack growth also increased due to the re-agglomeration of the chemical curatives within the rubber which produced regions of low resistance to crack development. There was evidence that migration of the chemical curatives to the rubber surface had significantly damaged the internal structure of the rubber, creating voids and cracks which weakened the rubber mechanically. Styrene-butadiene rubber (SBR) and polybutadiene rubber (BR) were mixed together (75:25 by mass) to produce two SBR/BR blends. The blends were reinforced with a precipitated amorphous white silica nanofiller the surfaces of which were pre-treated with TESPT. The rubbers were primarily cured by using sulphur in TESPT and the cure was optimised by adding non-sulphur donor and sulphur donor accelerators and zinc oxide. The hardness, Young s modulus, modulus at different strain amplitudes, tensile strength, elongation at break, stored energy density at break, tear strength, cyclic fatigue life, heat build-up, abrasion resistance, glass transition temperature, bound rubber, and tan δ of the cured blends were measured. The blend which was cured with the non-sulphur donor accelerator and zinc oxide had superior tensile strength, elongation at break, stored energy density at break and modulus at different strain amplitudes. It also possessed a lower heat build-up, a higher abrasion resistance and a higher tan δ at low temperatures to obtain high-skid resistance and ice and wet-grip. Optimising the chemical bonding between the rubber and filler reduced the amount of the chemical curatives by approximately 58% by weight for passenger car tyre tread. This helped to improve health and safety at work and reduce damage to the environment.
41
Gatelier, Alice. "Efeito da terapia mio-funcional nas crianças com o síndrome obstrutiva do sono – uma revisão da literatura." Bachelor's thesis, [s.n.], 2020. http://hdl.handle.net/10284/9115.
Abstract:
Projeto de Graduação apresentado à Universidade Fernando Pessoa como parte dos requisitos para obtenção do grau de Licenciada em FisioterapiaOs distúrbios de sono são cada vez mais frequentes em crianças, sendo o síndrome de apneia obstrutiva do sono (SAOS) o mais comum. Apesar da utilização do tratamento cirúrgico e ortodôntico, a presença de síndrome residual a longo prazo leva a necessidade de determinar a efetividade de uma outras estratégia terapêutica. Objetivo: Verificar a eficácia da terapia mio-funcional (TMF) em crianças com SAOS na redução dos sintomas e do síndrome. Metodologia: A pesquisa foi realizada na PubMed, The Cochrane Library, Medline e Web of Science para identificar estudos que permitissem analisar o efeito da TMF em crianças com SAOS. Resultados: Foram selecionados cinco artigos, respeitando os critérios de seleção com classificação média de 5,6 na escala de Newcastle-Ottawa e com um total de 217 sujeitos. Em todos os estudos, a TMF mostrou melhorias em quase todos os parâmetros avaliados. Conclusão: A TMF constitui uma modalidade de tratamento considerável em combinação dos tratamentos cirúrgicos e ortodôntico, para o SAOS leve a moderado em crianças pré-púberes.
Sleep disorders are increasingly frequent in children, the most common being obstructive sleep apnea syndrome (OSA). Despite the use of surgical and orthodontic treatment, the presence of residual syndrome over long term leads to the need to determine the effectiveness of other therapeutic strategies. Objective: To verify the effectiveness of myofunctional therapy (MFT) in children with OSA in reducing symptoms and the syndrome. Methodology: The research was conducted in PubMed, The Cochrane Library, Medline and Web of Science to identify studies that would allow the analysis of the effect of MFT in children with OSA. Results: Five articles were selected, according to the selection criteria, with an average score of 5,6 on the Newcastle-Ottawa scale and a total of 217 subjects. In all studies, MFT showed improvements in almost all parameters assessed. Conclusion: MFT is a considerable treatment modality in a combination of surgical and orthodontic treatments for mild to moderate OSA in prepubertal children.
N/A
42
Gomes, Ana Lúcia Soares. "O juizo sobre o juiz (o). Os juizes não têm honra?" Master's thesis, Faculdade de Ciências Sociais e Humanas, Universidade Nova de Lisboa, 2012. http://hdl.handle.net/10362/9115.
Abstract:
Dissertação apresentada para cumprimento dos requisitos necessários à obtenção do
grau de Mestre em Comunicação, Media e JustiçaEste trabalho tem por tema o juiz como objeto de crítica na sociedade contemporânea, democrática, maxime, europeia, marcada pela jurisprudência do Tribunal Europeu dos Direitos do Homem que tem dado ênfase à liberdade de expressão. Tem início, porém, com a análise de conceitos prévios como o de Justiça e o de ”bom juiz”, a organização do sistema de justiça em Portugal e da própria liberdade de expressão, para analisar, depois, os juízos formulados sobre o juiz (pessoa, procedimento) ou sobre o seu juízo (decisão). Partindo então da afirmação do princípio da liberdade de expressão, desenvolve-se o trabalho tendo por referência um dos fins das limitações que o art. 10.º, n.º 2, da Convenção Europeia dos Direitos do Homem contempla, a saber, a garantia da autoridade e imparcialidade do poder judicial, além da honra. São enunciadas algumas decisões judicias nacionais e analisadas outras europeias e, regressando ao contexto nacional, referem-se as reações aos abusos da liberdade de expressão, com especial relevo para a dimensão criminal do fenómeno, adiantando possíveis caminhos quer neste domínio, quer no campo da reputação dos tribunais e juízes, objeto do exercício da liberdade antes afirmada.
43
Rocha, Zavaleta Marlene. "Gestión del director y su relación con el aprendizaje organizacional en las instituciones educativas públicas de la red N° 15 - UGEL N° 01- San Juan de Miraflores - Lima 2013." Master's thesis, Universidad Nacional Mayor de San Marcos, 2015. https://hdl.handle.net/20.500.12672/9115.
Abstract:
Publicación a texto completo no autorizada por el autorDescribe la gestión educativa de los directores y como ésta se relaciona con el aprendizaje organizacional que se produce al interior de las instituciones educativas públicas de la Red Educativa Nº 15, ubicados en el distrito de Pachacámac, los cuales pertenecen a la UGEL Nº 01 de Lima Metropolitana en el año 2013; seleccionando para ello una muestra de docentes de las diversas instituciones inmersas. Se utilizó un diseño descriptivo correlacional, con una muestra de 170 docentes distribuidos en ocho instituciones educativas, a quienes se les aplicó dos instrumentos de evaluación: el Inventario de Gestión del Director de Luis Medina Luyo y el inventario de aprendizaje organizacional de Delio Ignacio Castañeda. Estos instrumentos fueron sometidos a los análisis respectivos que determinaron que las pruebas son válidas y confiables. Los resultados indican que existen correlaciones significativas y positivas entre la gestión educativa de los directores y el aprendizaje organizacional de las instituciones educativas que dirigen (rs = 0.69). Así mismo se encontró que existe una correlación significativa entre las diversas dimensiones de ambas variables de estudio, tal y como se detallan en las conclusiones.
Tesis
44
Koimburi, Mercy Muthoni. "Finite activity jump models for option pricing." Master's thesis, University of Cape Town, 2011. http://hdl.handle.net/11427/9115.
Abstract:
Includes bibliographical referencesThis thesis aims to look at option pricing under affine jump diffusion processes, with particular emphasis on using Fourier transforms. The focus of the thesis is on using Fourier transform to price European options and Barrier options under the Heston stochastic volatility model and the Bates model. Bates model combines Merton's jump diffusion model and Heston's stochastic volatility model. We look at the calibration problem and use Matlab functions to model the DAX options volatility surface. Finally, using the parameters generated, we use the two stated models to price barrier options.
45
Callor, Nickolas Brenten. "Coordinated Persistent Homology and an Application to Seismology." BYU ScholarsArchive, 2019. https://scholarsarchive.byu.edu/etd/9115.
Abstract:
The theory of persistent homology (PH), introduced by Edelsbrunner, Letscher, and Zomorodian in [1], provides a framework for extracting topological information from experimental data. This framework was then expanded by Carlsson and Zomorodian in [2] to allow for multiple parameters of analysis with the theory of multidimensional persistent homology (MPH). This particular generalization is considerably more difficult to compute and to apply than its predecessor. We introduce an intermediate theory, coordinated persistent homology (CPH), that allows for multiple parameters while still preserving the clarity and coherence of PH. In addition to introducing the basic theory, we provide a polynomial time algorithm to compute CPH for time series and prove several important theorems about the nature of CPH. We also describe an application of the theory to a problem in seismology.
46
Golletz, Daniel V. "Uses of nature stimuli in relaxation therapy for anxiety and anger /." Thesis, Connect to this title online; UW restricted, 1996. http://hdl.handle.net/1773/9115.
47
Batlevi, Yakup. "The relationship between autophagy, cell survival and cell death in a model of neurodegeneration and development." College Park, Md.: University of Maryland, 2009. http://hdl.handle.net/1903/9115.
Abstract:
Thesis (Ph.D.) -- University of Maryland, College Park, 2009.Thesis research directed by: Dept. of Cell Biology and Molecular Genetics. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
48
Perin, Lorenza <1992>. "Maria Edgeworth, Ireland and Castle Rackrent." Master's Degree Thesis, Università Ca' Foscari Venezia, 2016. http://hdl.handle.net/10579/9115.
49
Zhang, Danjing. "Sharism and social awareness of the Chinese One Child Generation: Urban youth and digital networks." Thesis, Queensland University of Technology, 2015. https://eprints.qut.edu.au/91215/4/Danjing_Zhang_Thesis.pdf.
Abstract:
This thesis is a study of Chinese One Child Generation's digital and social sharing. It examines urban youth grassroots communities, including an urban farmers' community and volunteers in educational camps. These case studies explain the emergence of 'sharism' in reaction to the growing risks in China, such as food safety and environmental degradation emanating from China's rapid economic development, and growing urbanism, globalisation, and consumerism. The new forms of 'sharism' are linked to guanxi (social relations) and connected youth communities, which are made possible by increasing accessibility to digital and networked technologies.
50
Zarth, Fernando Henrique Faustini. "CETICISMO E ANTICETICISMO: UM ESTUDO A PARTIR DO PRINCÍPIO DE FECHAMENTO EPISTÊMICO." Universidade Federal de Santa Maria, 2012. http://repositorio.ufsm.br/handle/1/9115.
Abstract:
Coordenação de Aperfeiçoamento de Pessoal de Nível SuperiorThe identification and analysis of epistemic principles have enabled significant gains in the study of skepticism in recent decades; this does not mean that we are near a consensus about which principles should be accepted. Taking p for any proposition that we normally accept to be known, like here is a hand , and h for a skeptical scenario such p is not true, but just a illusion projected in my mind , the skeptical argument can be formalized as follows: (1) If S knows that p, then S knows that ~h; (2) S doesn t know that ~h, then (3) S doesn t know that p. The first chapter of this text presents a comprehensive analysis of this argument, where is pointed out that its cogency can be defended from a valid version of the epistemic closure principle. The second chapter deals with the antiskeptical strategy advocated by Fred Dretske, which attempts to refute the skeptic arguing against its first premise, by rejecting the closure principle. At the end of this chapter, it is argued that the Dretske's arguments fail to fulfill their goal, collapsing in the face of relevant objections. Finally, the third chapter examines the answer to the skeptic presented by Peter Klein. Based on a more sophisticated understanding of the epistemic closure principle, Klein suggests that the skeptic cannot build a plausible argument for (2). It is argued that this analysis of the problem is adequate and resists criticism of his objectors.
A identificação e a análise de princípios epistêmicos têm possibilitado ganhos significativos no estudo do ceticismo nas últimas décadas; contudo isso não significa que estejamos próximos de um consenso sobre quais princípios devam ser aceitos. Entendendo p como qualquer proposição que geralmente admitiríamos saber, como aqui há uma mão , e h como algum cenário cético incompatível com a verdade de p, tal como p não é verdade mas apenas uma ilusão projetada em minha mente , o argumento cético é comumente assim formalizado: (1) Se S sabe que p, então S sabe que ~h; (2) S não sabe ~h, logo, (3) S não sabe que p. O primeiro capítulo desta dissertação é destinado à análise detalhada das premissas desse argumento, onde é apontado que sua cogência pode ser mantida a partir da defesa de uma versão válida do princípio de fechamento epistêmico. O segundo capítulo trata da estratégia anticética defendia por Fred Dretske, que busca refutar o ceticismo atacando sua primeira premissa, rejeitando o princípio de fechamento. Ao término deste capítulo, é defendido que os argumentos de Dretske falham no cumprimento de seu objetivo, sucumbindo frente a importantes objeções. Finalmente, no terceiro capítulo, discorre-se sobre a resposta para o cético apresentada por Peter Klein. Partindo de uma compreensão mais sofisticada do princípio de fechamento epistêmico, Klein sinaliza que o cético não consegue construir um argumento plausível para (2). Defende-se que essa análise do problema é adequada e resiste às críticas de seus objetores.