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Hol, Jeroen D. "Resampling in particle filters." Thesis, Linköping University, Department of Electrical Engineering, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-2366.
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In this report a comparison is made between four frequently encountered resampling algorithms for particle filters. A theoretical framework is introduced to be able to understand and explain the differences between the resampling algorithms. This facilitates a comparison of the algorithms based on resampling quality and on computational complexity. Using extensive Monte Carlo simulations the theoretical results are verified. It is found that systematic resampling is favourable, both in resampling quality and computational complexity.
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Henry, Courtney. "Population Based Model of Gonorrhea and Interventions Against Increased Antibiotic Resistance." VCU Scholars Compass, 2012. http://scholarscompass.vcu.edu/etd/2784.
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Gonnorrhea is an infectious sexually transmitted disease (STD) caused by the bacterium Neisseria gonorrhoeae that commonly reproduces in the reproductive tract.The Centers of Disease Control and Prevention (CDC) estimate that more than 700,000 individuals in the U.S. contract new gonorrheal infections per year. During recent years, there has been a progressive global increase of drug-resistant strains of gonorrhea. Therefore, there exists the necessity for health organizations to encourage the monitoring, research and development of innovative treatment regimens. We have developed multiple mathematical models to explore the gonorrheal disease state. The first objective of model formulation was to fit the model to established disease and population data provided by the CDC and U.S. Census Bureau and then include the presence of antibiotic resistance in the model. Additionally, we discuss intervention methods to combat this resistance. The second objective of model formulation was to use parameter sensitivity to determine specific age groups to target in effort to alter disease dynamics.
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Terefe, Yibeltal Adane. "Bifurcation analysis and nonstandard finite difference schemes for Kermack and McKendrick type epidemiological models." Diss., University of Pretoria, 2012. http://hdl.handle.net/2263/24917.
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The classical SIR and SIS epidemiological models are extended by considering the number of adequate contacts per infective in unit time as a function of the total population in such a way that this number grows less rapidly as the total population increases. A diffusion term is added to the SIS model and this leads to a reaction–diffusion equation, which governs the spatial spread of the disease. With the parameter R0 representing the basic reproduction number, it is shown that R0 = 1 is a forward bifurcation for the SIR and SIS models, with the disease–free equilibrium being globally asymptotic stable when R0 is less than 1. In the case when R0 is greater than 1, for both models, the endemic equilibrium is locally asymptotically stable and traveling wave solutions are found for the SIS diffusion model. Nonstandard finite difference (NSFD) schemes that replicate the dynamics of the continuous SIR and SIS models are presented. In particular, for the SIS model, a nonstandard version of the Runge-Kutta method having high order of convergence is investigated. Numerical experiments that support the theory are provided. On the other hand the SIS model is extended to a Volterra integral equation, for which the existence of multiple endemic equilibria is proved. This fact is confirmed by numerical simulations.Dissertation (MSc)--University of Pretoria, 2012.
Mathematics and Applied Mathematics
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Abreu, Luis Carlos Martins. "Mecanismos de SeleÃÃo de Gale-Shapley DinÃmicos em Universidades Brasileiras: SISU, SISUα, SISUβ." Universidade Federal do CearÃ, 2013. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=10167.
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FundaÃÃo Cearense de Apoio ao Desenvolvimento Cientifico e TecnolÃgicoNo Brasil, a busca pela reduÃÃo das ineficiÃncias observadas na alocaÃÃo de vagas em instituiÃÃes de ensino superior via o tradicional vestibular levou à formulaÃÃo e implantaÃÃo de um mecanismo alternativo de seleÃÃo para admissÃo superior: o Sistema de SeleÃÃo Unificada (SISU), criado em 2010. O mecanismo, tecnicamente falando, à um algoritmo de matching com as seguintes caracterÃsticas: i) cada estudante que recebe oferta de matrÃcula decide por aceitar ou rejeitar a oferta recebida; ii) rejeiÃÃes de ofertas provocam a realizaÃÃo de novas propostas; e iii) propostas sÃo aceitas temporariamente, podendo cada oferta aceita ser âtrocadaâ por uma oferta considerada âmelhorâ. Ou seja, o SISU à um mecanismo semelhante ao Algoritmo Deferred Acceptance (Algoritmo Gale-Shapley) com os cursos propondo. Apesar da importÃncia do SISU, a literatura econÃmica sobre o tema à basicamente inexistente. Nesse sentido, a presente dissertaÃÃo buscou, à luz da teoria dos jogos, entender e caracterizar os incentivos propiciados pelo SISU atravÃs de dois mecanismos teÃricos desenvolvidos, o SISUα e o SISUβ. Ambos sÃo modelados como mecanismos de matching dinÃmicos. Caracterizamos estratÃgias nÃo dominadas para o SISUβ e o SISUα. Utilizando o SISUα como a melhor aproximaÃÃo disponÃvel para o SISU, concluÃmos que a introduÃÃo do SISU apresentou um importante avanÃo em relaÃÃo ao vestibular em termos de ganhos de eficiÃncia do matching entre alunos e cursos.
In Brazil, the quest for reducing observed inefficiencies in the allocation of seats in higher education institutions through traditional examination (Vestibular) led to the formulation and implementation of an alternative mechanism of selection: the Unified Selection System (SISU), created in 2010. Technically speaking, the mechanism is a matching algorithm with the following characteristics: i) each student who receives an offer decides to accept or reject the received offer; ii) rejections of offers prompt new proposals; iii) proposals are accepted temporarily, and each offer can be âreplacedâ by an offer considered âbetterâ. That is, the SISU is a mechanism similar to the Deferred Acceptance Algorithm (Gale-Shapley Algorithm). Despite the importance of SISU, the economic literature on the subject is basically nonexistent. In this sense, this dissertation sought, in light of game theory, to understand and characterize the incentives provided by SISU through two developed theoretical mechanisms, the SISUα and SISUβ. Both are modeled as dynamic matching mechanisms. We characterize undominated strategies for SISUβ and SISUα. Using SISUα as the best approximation available to SISU, we conclude that the introduction of SISU showed a significant improvement on Vestibular in terms of gains of efficiency from matching between students and courses.
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Abreu, Luís Carlos Martins. "Mecanismos de seleção de Gale-Shapley dinâmicos em Universidades Brasilieiras; SISU, SISU (Alpha) e SISU (beta)." reponame:Repositório Institucional da UFC, 2013. http://www.repositorio.ufc.br/handle/riufc/5453.
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In Brazil, the quest for reducing observed inefficiencies in the allocation of seats in higher education institutions through traditional examination (Vestibular) led to the formulation and alternative mechanism of selection: the Unified Selection System (SISU), created in 2010. Technically speaking, the mechanism is a matching algorithm with the following characteristics: i) each student who receives an offer decides to accept or reject the received offer; ii) rejections of offers prompt new proposals; iii) proposals are accepted temporarily, and each offer can be “replaced” by an offer considered “better”. That is, the SISU is a mechanism similar to the Deferred Acceptance Algorithm (Gale-Shapley Algorithm). Despite the importance of SISU, the economic literature on the subject is basically nonexistent. In this sense, this dissertation sought, in light of game theory, to understand and characterize the incentives provided by SISU through two developed theoretical mechanisms, the SISU and SISU . Both are modeled as dynamic matching mechanisms. We characterize undominated strategies for SISU and SISU . Using SISU as the best approximation available to SISU, we conclude that the introduction of SISU showed a significant improvement on Vestibular in terms of gains of efficiency from matching between students and courses.
No Brasil, a busca pela redução das ineficiências observadas na alocação de vagas em instituições de ensino superior via o tradicional vestibular levou à formulação e implantação de um mecanismo alternativo de seleção para admissão superior: o Sistema de Seleção Unificada (SISU), criado em 2010. O mecanismo, tecnicamente falando, é um algoritmo de matching com as seguintes características: i) cada estudante que recebe oferta de matrícula decide por aceitar ou rejeitar a oferta recebida; ii) rejeições de ofertas provocam a realização de novas propostas; e iii) propostas são aceitas temporariamente, podendo cada oferta aceita ser “trocada” por uma oferta considerada “melhor”. Ou seja, o SISU é um mecanismo semelhante ao Algoritmo Deferred Acceptance (Algoritmo Gale-Shapley) com os cursos propondo. Apesar da importância do SISU, a literatura econômica sobre o tema é basicamente inexistente. Nesse sentido, a presente dissertação buscou, à luz da teoria dos jogos, entender e caracterizar os incentivos propiciados pelo SISU através de dois mecanismos teóricos desenvolvidos, o SISU e o SISU . Ambos são modelados como mecanismos de matching dinâmicos. Caracterizamos estratégias não dominadas para o SISU e o SISU . Utilizando o SISU como a melhor aproximação disponível para o SISU, concluímos que a introdução do SISU apresentou um importante avanço em relação ao vestibular em termos de ganhos de eficiência do matching entre alunos e cursos.
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Tosun, Kursad. "QUALITATIVE AND QUANTITATIVE ANALYSIS OF STOCHASTIC MODELS IN MATHEMATICAL EPIDEMIOLOGY." OpenSIUC, 2013. https://opensiuc.lib.siu.edu/dissertations/732.
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We introduce random fluctuations on contact and recovery rates in three basic deterministic models in mathematical epidemiology and obtain stochastic counterparts. This paper addresses qualitative and quantitative analysis of stochastic SIS model with disease deaths and demographic effects, and stochastic SIR models with/without disease deaths and demographic effects. We prove the global existence of a unique strong solution and discuss stochastic asymptotic stability of disease free and endemic equilibria. We also investigate numerical properties of these models and prove the convergence of the Balanced Implicit Method approximation to the analytic solution. We simulate the models with fairly realistic parameters to visualize our conclusions.
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Goodness, Kelly R. "Retrospective Evaluation of Malingering: A Validational Study of the R-SIRS and CT-SIRS." Thesis, University of North Texas, 1999. https://digital.library.unt.edu/ark:/67531/metadc278240/.
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Empirically based methods of detecting retrospective malingering (i.e., the false assertion or exaggeration of physical or psychological symptoms reportedly experienced during a prior time period) are needed given that retrospective evaluations are commonplace in forensic assessments. This study's main objective was to develop and validate a focused, standardized measure of retrospective malingering. This objective was addressed by revising the Structured Interview of Reported Symptoms (SIRS), an established measure of current feigning. The SIRS' strategies were retained and its items modified to produce two new SIRS versions: The Retrospective Structured Interview of Reported Symptoms (R-SIRS) and The Concurrent-Time Structured Interview of Reported Symptoms (CT-SIRS). Forensic inpatients were used to test the R-SIRS (n = 25) and CT-SIRS (n = 26) which both showed good internal consistency and interrater reliability. The overall effectiveness of the R-SIRS and the CT-SIRS in the classification of malingerers and genuine patients was established in this initial validation study. Moreover, their classification rates were similar to those obtained by the SIRS. Pending additional validation, these measures are expected to increase the quality of forensic evaluations by providing the first standardized methods of assessing retrospective malingering.
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Al-Faidi, Al-Juhani Mohammed H. "Strategic Information Systems Planning (SISP) in the banking sector: An Investigation of Strategic Information Systems Planning (SISP) in the Saudi Banking Sector." Thesis, University of Bradford, 2011. http://hdl.handle.net/10454/17372.
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The improvement of SISP practices has rapidly become one of the most critical issues facing many organisations, including banks. Globally, the banking sectors, including the Saudi one, have developed and implemented many IS strategies. Several systems have been executed to support the countries’ economies which have benefited from the increased trading resulting from the greater flexibility in time and costs associated with banking transactions. To continue these achievements and to improve SISP processes, several factors require careful investigation based on their relationship to SISP success; which include SISP objectives, SISP internal factors, external consultant functions, SISP external factors, measurements of SISP success, key stakeholders’ roles, and triggers. Therefore this study investigates the impact of these factors on SISP success. Data were collected in three phases. Phase 1 was an initial study with one or two interviews with the IT directors of each bank in the Saudi banking sector comprising the central bank and 11 commercial banks. The outcomes informed the development of a survey that was used in Phase 2; to investigate a sample containing a central bank, a domestic commercial bank and a domestic-foreign commercial bank to determine their SISP processes. 157 completed questionnaires were returned from the bank executives, business and IT directors and consultants. In Phase 3, 57 interviews confirmed and explained the quantitative results from Phase 2. Therefore, an in-depth case study was made in the three banks during Phases 2 and 3. The research results support previous findings on the SISP’s seventeen objectives collected by several researchers across different industries and in various countries. Furthermore, the research condenses these seventeen objectives into five more practical and achievable objectives for the banking sector. These are: 1) planning and deployment of information systems; 2) leading organisation changes; 3) improving stakeholders’ involvement and communication; 4) achieving the strategic priorities; and 5) alignment of organisational policies and architecture for business and IS. In addition, the findings identify the factors according to their relationship with SISP success and therefore explore several elements with positive, negative or no impact on SISP success in the banking sector. The thesis presents conclusions and suggests areas for further research.
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Pita, Zijad, and zijad pita@rmit edu au. "Strategic Information Systems Planning (SISP) in Australia Assessment and Measurement." RMIT University. Business Information Technology, 2007. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20080514.162332.
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Strategic Information Systems Planning (SISP) is an important activity for helping Chief Information Executives (CIOs) and top management identify strategic applications and align Information Technology (IT) with business needs. Like all strategic planning, SISP requires measuring how well SISP is done and how planning is improving over time. The measurement of these intangibles is a complex exercise. There have been few efforts undertaken in the Information Systems (IS) literature to formally develop a model for assessing and measuring SISP efforts. In this study, two models were proposed: a five-stage SISP maturity model for defining SISP maturity and another one for assessing the degree of SISP maturity. The five SISP maturity levels were defined as: Rudimentary Planning, Ineffectual Planning, Attainable Planning, Sustainable Planning, and Adaptable Planning. The assessment model was structured as a third-order system, where eight first-order dimensions were termed as Form and Content, Collaboration, Policies, Stakeholders' Designation, Knowledge Bank, Technology, Time Dimension, and Viability. The first-order dimensions were grouped into three second-order constructs, namely Effectiveness, Efficiency and Manoeuvrability, which ultimately characterise the level of SISP success. This model was used to establish a theoretical benchmark for each SISP maturity level. To model the level of SISP maturity, an 'Integral Engineering' approach was established and the Analytic Network Process (ANP) theory was used. The study is a novel approach in using ANP to synthesize the measures of the various SISP constructs into a single overall measure of SISP maturity level. A survey was performed and data collected from 260 Australian organisations to examine the degree of SISP maturity and the relationships among SISP constructs. Structural equation modelling (SEM) was used to test the fit between the hypothesized model and the survey data The models were applied to the data collected and the findings suggested that the models fit the data well. While Effectiveness and Efficiency are well recognised planning constructs, Manoeuvrability as a measure of planning dynamics is not acknowledged in the literature as an equally important construct. This study confirmed a strong correlation between Manoeuvrability and SISP success and found it to be more important than the Efficiency construct. The empirical data did not confirm the existence of Rudimentary and Ineffectual planning levels of SISP maturity Australia-wide. SISP maturity in the majority of Australian organisations is at Sustainable and Attainable planning levels. A small percentage of the surveyed organisations have actually reached the highest planning level (Adaptable planning). The empirical data showed that current SISP is lacking strategic dimension and that the recently popularised one-year planning horizon may not be the best choice. Australian organisations did not consider the strategic relevance of IT as the key objective. IT/IS was seen as a business enabler, thus the strategic advan tage associated with IT came as a secondary objective.
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Vanni, Davide. "Modelli biomatematici differenziali e stocastici." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/13641/.
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La previsione dei comportamenti delle malattie infettive e delle popolazioni di animali sono argomenti molto dibattuti e popolari al giorno d'oggi. Sempre più l'uomo tenta di salvaguardare specie animali in via di estinzione e prevedere e prevenire contagi sia umani che di bestiame. I modelli di biomatematica sono uno strumento essenziale per poter prevedere e quindi agire su questi fenomeni. Talvolta, però, i fenomeni naturali sfuggono dalle previsioni matematiche tradizionali, così, sempre più spesso i modelli differenziali vengono affiancati da modelli probabilistici.
In questa tesi verranno messi a confronto modelli di biomatematica differenziali e stocastici (catene di Markov a tempo discreto - DTMC), si osserveranno differenze ed analogie tra i due modelli, i loro comportamenti e le loro previsioni mettendole a confronto con dati reali.
In particolare si analizzeranno i modelli SIS e SIR a popolazione costante e si utilizzerà il modello SIR per modellizzare e far previsioni su due problemi reali: l'influenza in una scuola inglese e la peste ad Eyam del 1666. Osservando gli errori tra i modelli ed i dati reali si giungerà all'interessante risultato che le modellizzazioni stocastica e differenziale richiedono due parametrizzazioni differenti, secondo il criterio dell'errore quadratico.
Si sono quindi introdotte le catene di Markov a tempo continuo ed il poco esplorato settore di modellizzazione tramite esse, specialmente per processi multivariati, e, adattando un teorema di probabilità, si è costruito un algoritmo per simularle tramite calcolatore. In particolare si sono trasposti in CTMC i modelli SIS e SIR e si sono introdotti due ulteriori modelli non realizzabili stocasticamente tramite DTMC: il modello Lotka-Volterra e il modello di "due popolazioni interagenti", evidenziando i loro comportamenti limite tramite simulazioni numeriche.
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Hua, Qiangsheng, and 華強勝. "Scheduling wireless links with SINR constraints." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2009. http://hub.hku.hk/bib/B42664627.
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Hua, Qiangsheng. "Scheduling wireless links with SINR constraints." Click to view the E-thesis via HKUTO, 2009. http://sunzi.lib.hku.hk/hkuto/record/B42664627.
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Kern, Hartmut. "SIRS und Sepsis nach kardiochirurgischen Eingriffen." Doctoral thesis, Humboldt-Universität zu Berlin, Medizinische Fakultät - Universitätsklinikum Charité, 2001. http://dx.doi.org/10.18452/13775.
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Systemische Inflammation (SIRS) und Sepsis sind bekannte postoperative Komplikationen nach kardiochirurgischen Eingriffen. Bei 77,1 % der untersuchten 3653 kardiochirurgischen Patienten bestanden am ersten postoperativen Tag definierte Symptome eines SIRS. Nur 20 % dieser Patienten entwickelten ein prolongiertes SIRS über mindestens die ersten 72 Stunden postoperativ und 4,4 % eine Sepsis im weiteren primären intensivmedizinischen Verlauf. Aus der Patientengruppe mit prolongiertem SIRS entwickelten immerhin 21,8 % eine Sepsis. Die 564 Patienten mit prolongiertem SIRS waren durch eine signifikant (p< 0,001) verlängerte Beatmungs- und Behandlungsdauer auf der Intensivstation (ICU), eine erhöhte Krankenhausliegedauer sowie eine um den Faktor 10 signifikant erhöhte ICU- und Krankenhausmortalität im Vergleich zu Patienten ohne prolongiertes SIRS gekennzeichnet. Die 135 Patienten mit einer Sepsis während ihrer primären postoperativen intensivstationären Behandlung hatten eine deutlich erhöhte intensivstationäre Mortalität von 40,7 % gegenüber 1,6 % bei Patienten ohne Sepsis. Die Patienten mit prolongiertem SIRS (15,4 % der Gesamtpopulation) benötigten insgesamt 52,9 % der Bettentage und 57,7 % der Gesamtkosten der intensiv-medizinischen Behandlung. Die septischen Patienten (3,7 %) verursachten alleine 24,6 % der intensivstationären Behandlungstage sowie 28,7 % der Gesamtkosten. Die fünf Variablen weibliches Geschlecht, das Auftreten definierter intraoperativer Komplikationen, ein APACHE II- Score > 17 bei Aufnahme auf der Intensivstation, der postoperative Bedarf von mehr als einem Inotropikum sowie das Vorhandensein von definierten, therapiebedürftigen metabolischen Störungen innerhalb der ersten 24 Stunden postoperativ diskriminierten in Bezug auf das Vorhandensein oder Nicht-Vorhandensein der Zielvariablen prolongiertes SIRS (> 3 Tage ) mehr als 88 % der Patienten richtig. Jeweils über 96 % der Patienten konnten durch die aus diesen Variablen entwickelten Regressionsgleichungen richtig zugeordnet werden bezüglich des Auftretens oder Nicht-Auftretens einer Sepsis bzw. eines letalen Ausgangs. Das intern validierten Modell für die Zielvariable prolongiertes SIRS (> 3 Tage) erreichte eine hohe Spezifität von über 97 % bei einer Sensitivität von 39 %. Die vorliegenden Regressionsgleichungen ermöglichen es somit, am Patientengut dieser Institution prospektiv Patienten mit erhöhtem Risiko auf ein prolongiertes SIRS bzw. eine Sepsis mit hoher Spezifität zu selektionieren.The development of a systemic inflammatory response syndrome (SIRS) and sepsis are well known complications after cardiac surgery. In the present study, 77.1 % of the 3653 cardiac surgical patients developed SIRS or SIRS-like symptoms on the first postoperative day. Only 20 % of these patients, however, showed a prolonged SIRS during the first 3 postoperative days. 4.4 % of all patients had septic complications during their stay on the intensive care unit (ICU). However, 21.8 % of the patients with prolonged SIRS developed sepsis. The identified 564 patients with prolonged SIRS showed a significantly (p < 0.001) increased duration of mechanical ventilation, ICU- and hospital treatment, respectively. Their ICU- and hospital mortality was tenfold higher than in patients without prolonged SIRS. The ICU-mortality of 135 septic patients was 40.7 % in contrast to 1.6 % in patients without sepsis. Patients with prolonged SIRS (15.4 % of the study population) accounted for 52.9 % of the bed days on ICU and for 57.7 % of the total costs. Septic patients (3.7 % of the study population) required 24.6 % of the bed days and 28.7 % of the total costs during their ICU-stay. The use of 5 variables including female gender, defined intraoperative complications, an APACHE II- Score of > 17 on ICU-admission, the use of more than one inotrope postoperatively, and the treatment of defined metabolical disorders identified 88 % of the patients with prolonged SIRS (> 3 days) correctly during the first 24 hours postoperativly. The resulting predictive models identified more than 96 % of the patients with sepsis or lethal outcome correctly. The internal validation of the predictive model for prolonged SIRS (> 3 days) demonstrated a specifity of 97 % and a sensitivity of 39 %. Therefore, the early identification of patients at risk for the development of prolonged SIRS or sepsis in our institution seems to be possible using multiple logistic regression of these predictive models.
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Lulkin, Sérgio Andrés. "O riso nas brechas do siso." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2007. http://hdl.handle.net/10183/10256.
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A tese aborda o humor e o riso na educação, sob duas perspectivas: a primeira, os compreende como objetos da história e da filosofia conforme a tradição ocidental; a outra, na qual o bufão, valendo-se dos dispositivos do riso e da máscara, é o arquétipo que vem dialogar com o professor e acompanhar o processo pedagógico. A tese advoga por um personagem conceitual, de caráter grotesco, para tensionar a lógica dos discursos. A metodologia, embalada pelos matizes de Nietzsche quando desenha um futuro para a Gaia Ciência, potencializada por Bakhtin e a condição coletiva dos enunciados, sustentada entre a tensão da razão estética, de Chantal Maillard, e o riso sagrado, de Georges Bataille, é a da dramatização no interior do pensamento. Esse exercício permite circular por dispositivos nos quais o diálogo do pedagogo com os seus parceiros se mobiliza e abre a guarda que impede a aproximação do contra-senso, no fronteira com a lógica previsível. Desde a tradição helênica até o mundo contemporâneo, o humor e o riso vão ganhando formas de controle e adequação, e aquilo que se presta ao ridículo/risível é cercado por seus limites éticos. A pesquisa permite uma aproximação com narrativas de professores e com registros detalhados de eventos escolares, dando atenção às diferentes definições da ironia, da paródia, da sátira e do grotesco. Os textos históricos e as narrativas contemporâneas formam um panorama que evidencia, para além da manifestação sensível de um estado de ânimo, a necessidade de conhecimento do riso e de suas estratégias de sobrevivência no intervalo dos discursos monológicos ou didáticos. O humor e o riso, nesse contexto, são vistos ora como potentes catalizadores da crítica, ora como artifícios convenientes, tratados como um bálsamo para os acordos e conflitos dentro de uma comunidade. O movimento fundamental, para a dinâmica do diálogo interno entre o professor e seus duplos, se encontra na espiral, que habita o ventre do poder e está no cerne do chapéu de guizos do bufão.This dissertation discusses humour and laughter in education from two perspectives: the first one focusing them as objects of history and philosophy, in the Western tradition; the second one, where the buffoon, through the devices of laughter and mask, is the archetype that establishes a dialogue with the teacher and follows the pedagogical process. The thesis argues for a conceptual character, with grotesque characteristics, to strain the logic of discourse. The methodology used is dramatization within thought, inspired by Nietzsche’s hues when he designs a future for Gaya Science, potentialized by Bakhtin and the collective condition of enunciations, and balancing upon Chantal Maillard’s tension of the aesthetic reason and the sacred laughter of Georges Bataille. This exercise allows the reinvention of devices where the teacher’s dialogue with his/her humorous partners is mobilized and thus lowers the guard that prevents an approximation with nonsense, on the borders of predictable logic. From the Hellenic traditions to the contemporary world, humour and laughter are given control and adjustment, and the theme or object of ridicule is surrounded by ethical restrictions. The research allows an approximation with teachers’ narratives and detailed records of classroom events focusing on different definitions of irony, parody, satire and the grotesque. Historic texts and contemporary narratives form a panorama that make evident, beyond the sensible manifestation of a state of mind, a need for knowledge about laughter and its survival strategies in the interval of monological or didactic discourses. Humour and laughter, in this context, are seen sometimes as powerful catalysts of criticism, and other times as convenient artifices, used as a balsam for the agreements and conflicts within a community. The fundamental movement for the dynamics of the internal dialogue between the teacher and his/her doubles lies in the spiral that resides in the belly of power and is the core of the buffoon’s cap’n bells.
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Gerardi, Davi de Oliveira. "Previsão de séries temporais epidemiológicas usando autômatos celulares e algoritmos genéticos." Universidade Presbiteriana Mackenzie, 2010. http://tede.mackenzie.br/jspui/handle/tede/1386.
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Previous issue date: 2010-08-02SIS (susceptible-infected-susceptible) and SIR (susceptible-infectedremoved) epidemiological models based on probabilistic cellular automaton (PCA) are used in order to simulate the temporal evolution of the number of people infected by dengue in the city of Rio de Janeiro in 2007, and to predict the cases of infection in 2008. In the PCA, three different sizes of lattices and two kinds of neighborhoods are utilized, and each time step of simulation is equivalent to one week of real time. A genetic algorithm (GA) is employed to identify the probabilities of the state transition S→I, in order to reproduce the historical series of 2007 related to this disease propagation. These probabilities depend on the number of infected neighbors. Time-varying and constant probabilities are taken into account. These models based on PCA and GA were able of satisfactorily fitting the data from 2007 and making a good prediction for 2008 (mainly about the total number of cases registered during 2008).
Usam-se modelos epidemiológicos SIS (suscetível-infectado-suscetível) e SIR (suscetível-infectado-removido) baseados em autômato celular probabilista (ACP) a fim de simular a evolução temporal do número de pessoas infectadas por dengue, na cidade do Rio de Janeiro em 2007, e de prever os casos de infecção em 2008. No ACP, utilizam-se reticulados de três tamanhos diferentes e dois tipos de vizinhanças, e cada passo de tempo da simulação equivale a uma semana de tempo real. Emprega-se um algoritmo genético (AG) para identificar os valores das probabilidades da transição de estados S→I, de modo a reproduzir a série histórica de 2007 relacionada à propagação dessa doença. Essas probabilidades dependem do número de vizinhos infectados. Probabilidades variantes e invariantes no tempo são consideradas. Esses modelos baseados em ACP e AG foram capazes de fazer um ajuste satisfatório dos dados de 2007 e de fornecerem uma boa previsão para 2008, (principalmente no que diz respeito ao número total de casos registrados em 2008).
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Pachas, Manrique Anna Patricia. "Modelos epidemiológicos em redes." reponame:Repositório Institucional do FGV, 2016. http://hdl.handle.net/10438/18662.
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The speed and comprehensiveness global level with the pathogen has spread in recent years has drawn attention to the importance of the contact’s social network structure. In fact, the topology of the networks in which members of society interact has influenced the dynamics of epidemics. Studies have shown that pathogens when disiparem in scale-free networks have different effects when compared broadcast in random networks, such as the classic models. In these there were epidemic threshold, may somehow the health ministry have a control on the dissipation of diseases by applying certain measures such as vaccines. Already in models in which are considered the networks, specifically the free network scale, the threshold disappears. Thus, the epidemic threshold depends on the topology is required to include within this structure models Because of the importance of these networks, random networks and scalefree have been implemented along the epidemics of propagation models to check the epidemic threshold and the characteristic time, noting that the epidemic threshold disappears
A velocidade e a abrangência a nível mundial com que os agentes patogênicos tem se disseminado nos últimos anos tem chamado a atenção para a importância da estrutura da rede social de contato . De fato, a topologia das redes na qual os membros da sociedade interagem têm influenciado na dinâmica das epidemias.Estudos têm demostrado que os agentes patogênicos ao se dissiparem em redes livres de escala tem efeitos diferentes se comparado quando difundidos em redes aleatórias, como nos modelos clássicos. Nestes existiam limiar de epidemia ,podendo de alguma forma as entidades de saúde ter um controle sobre a dissipação das enfermidades , aplicando certas medidas como as vacinas por exemplo. Já nos modelos nos quais são consideradas as redes , especificamente a rede livre de escala,este limiar desaparece. Desta forma, o limiar de epidemia ao depender da topologia se faz necessário incluir esta estrutura dentro dos modelos epidemiológicos. Devido a importância destas redes , redes aleatórias e principalmente redes livres de escala foram implementadas junto a modelos de propagação de epidemias para verificar o limiar de epidemia e o tempo característico , verificando que o limiar de epidemia desaparece.
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Jacobson, Brian Ratcliff. "A micromachined SIS mixer." Thesis, Massachusetts Institute of Technology, 1994. http://hdl.handle.net/1721.1/12026.
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Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1994.Includes bibliographical references (p. 158-160).
by Brian Ratcliff Jacobson.
M.S.
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Thorell, Pierre. "SISU Idrottsutbildarnas cirkelledare : - kompetens och upplevda kompetensutvecklingsbehov." Thesis, Växjö University, School of Education, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:vxu:diva-727.
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Inom SISU Idrottsutbildarna diskuterades cirkelledarrollen intensivt under 2005. Ett stort antal personer inom organisationen hade åsikter om hur det förhöll sig med cirkelledarnas kompetens och utbildning. Det visade sig att ingen egentligen visste då det inte fanns några undersökningar gjorda inom området. I detta skede bestämde jag mig för att ta reda på mer om cirkelledarnas kompetens och vilka behov som de själva upplevde sig ha när det gäller kompetensutveckling. För att besvara frågeställningarna genomfördes en enkätundersökning som förmedlades ut till 75 cirkelledare i Kronobergs län. Svarsfrekvensen blev 46 enkäter, 61%. I uppsatsens bakgrund behandlas folkbildningens historia, studiecirkelns uppkomst, pedagogisk metod och regler inom folkbildningen. De teoretiska utgångspunkterna delades in i två avsnitt, bildning och kompetens. Resultatet av undersökningen visar att de flesta av SISU:s cirkelledare är kompetenta för sitt uppdrag. De har en god kännedom om folkbildningen och dess metoder. De träffar som de genomförde bygger i hög grad på den ursprungliga tanken med folkbildningen, att människor möts, samtalar och lär av varandra i grupp. Många av dem har varit cirkelledare i flera år och i ett flertal cirklar varje år. 60% av cirkelledarna i undersökningsgruppen har genomgått en cirkelledarutbildning hos SISU. Cirkelledarna ansåg sig ha behov av kompetensutveckling i ämnena pedagogik och ledarskap för att kunna genomföra sitt uppdrag bättre. Cirkelledarna ansåg att det är inom dessa områden som SISU bör erbjuda kompetensutveckling.
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Dang, Xiaoyu. "Offset QPSK in SISO and MIMO Environments." BYU ScholarsArchive, 2009. https://scholarsarchive.byu.edu/etd/1751.
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We demonstrate how the performance of offset quadrature phase-shift keying (OQPSK) and its variants of Feher-patented QPSK (FQPSK) and Shaped Offset QPSK (SOQPSK) (collectively known as the ARTM Tier-1 waveforms) in single input single output (SISO) system could change with the channel fading parameters. The bit error rate expression of offset QSPK and ATRM Tier-1 waveforms over the aeronautical telemetry multipath channel has been derived. Simulations show that for the case of a single multipath ray, the BER gets worse with increasing Γ for a fixed delay, and that the BER has a quasi-periodic property for fixed Γ and increasing τ. For the case of two multipath rays, the multipath component characterized by large amplitude and small delay is the main factor of the BER degradation, while the BER is not very sensitive to the change of multipath delay. Analysis of the average bit error probability shows that a relatively high error floor at approximately 10−2 occurs for |Γ1| ≥ 0.5. When offset quadrature phase-shift keying (OQPSK) is used in multiple input multiple output (MIMO) environment, orthogonal space-time block codes can be applied to waveforms to orthogonalize a space-time coded multiple-input, multiple output link. For offset QPSK, this technique has the advantage of eliminating the I/Q interference associated with simultaneous transmission of offset QPSK waveforms. In addition, orthogonalization presents uncorrelated noise samples to the space-time trellis decoder. As a consequence, a less complex space-time decoder (relative to what would be required without orthogonalization) can be used. It is demonstrated that a concatenated system based on an orthogonal space-time block code and a trellis code, optimized for single-input, single-output fading channel, outperforms a space-time trellis code for a 2x1 system. The space-time block code orthogonalizes the channel seen by the outer code and this simplifies the computations required for decoding. The advantages of orthogonalization are achieved at the expense of rate. In the examples presented, the codes were chosen to have roughly equivalent bit error rate performance and identical code rates: the complexity was compared.
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Bashir, N. (Nouman). "Implementation consideration of M2M4 SINR estimation algorithm." Master's thesis, University of Oulu, 2016. http://urn.fi/URN:NBN:fi:oulu-201612163291.
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Efficient use of wireless spectrum is needed, due to enormous increase in wireless devices during last few years. In this context lot of effort is being done to make an intelligent and cognitive radio system, which can use the spectrum opportunistically. The ratio of the signal average power to the interference plus noise average power is called signal to interference plus noise ratio (SINR). SINR is one of the important parameters that can help in developing cognitive radio systems, because on the basis of its calculation the spectrum can be utilized efficiently.
The principle goal of this thesis is to implement a SINR estimation algorithm for a cognitive radio network (CRN) test-bed. The proposed SINR estimation algorithm is second order moment and fourth order moment (M2M4) SINR estimation algorithm, where M2 and M4 are the second order moment and fourth order moments respectively. The M2M4 estimation algorithm is one of the non-data-aided (NDA) estimation algorithms. Hence, the algorithm takes the received signal as input and calculates the second and fourth moments blindly. The average signal power and average interference plus noise power can be calculated from these second and fourth order moments, their ratio yields the SINR. The M2M4 estimation algorithm is first simulated in MATLAB, and then it is designed for system generator model to draw fair comparison between simulations and system generator model. The experimental evaluation revealed that despite of the word length constraint in the system generator model, it performs reasonably well when compared to the ideal (MATLAB) solution.
The M2M4 estimation algorithm is tested and verified by different test cases, to ensure its validity. The algorithm is tested for different signal strengths. The result shows M2M4 is an efficient algorithm for the SINR estimation. However, the proposed architecture could not fit into the aimed hardware because of heavy design since it consume more resources than available.
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SABETI, Mehran. "Modelo Epidêmico Discreto SIR com estrutura etária e aplicação de vacinação em pulsos e constante." Universidade Federal de Pernambuco, 2011. https://repositorio.ufpe.br/handle/123456789/1321.
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Previous issue date: 2011Conselho Nacional de Desenvolvimento Científico e Tecnológico
Nesta tese estudaremos a dinâmica de vacinação do modelo epidêmico discreto SIR em que são consideradas indivíduos de um universo em três categorias possíveis; suscetível, infectado e recuperado em relação a algum estado prêdefinido. Um aspecto importante do trabalho é o ponto de vista distinto para estudar o modelo epidemiológico SIR, que concorda com os modelos contínuos e é mais prático para aplicar os dados reais. Este trabalho está dividido em duas partes. Na primeira parte, foi desenvolvido um modelo matemático SIR baseado nos dados biológicos discretos. O modelo inclui a estrutura etária da população humana através da dinâmica da matriz de Leslie. Na segunda parte, aplicamos dois tipos de estratégias de vacinação, vacinação constante e vacinação em pulso, e comparamos os resultados obtidos nestas estratégias. Mostramos que, sob um regime previsto a vacinação em pulsos o sistema converge para uma solução estável, com número de indivíduos infecciosos sendo igual a zero. Mostramos também que a vacinação em pulsos implicará na eliminação de epidemias se certas condições a respeito da magnitude da taxa de vacinação e da duração dos pulsos forem observadas. Os resultados teóricos são confirmados por simulações numéricas. A introdução básica de variações sazonais no modelo SIR conduz à dinâmica periódica e caótica da epidemia. É mostrado que, sob a variação sazonal, apesar da complexa dinâmica do sistema, leva a vacinação para a erradicação das epidemias. Deduzimos as condições para a erradicação da epidemia sob diversas restrições e estudamos a eficácia e o custo do vacinação em pulso, também comparamos as políticas de vacinação constantes e mistas
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SOTOMAYOR, CESAR AUGUSTO MEDINA. "CDMA BLOCK TRANSMISSION IN SISO AND MISO CHANNELS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2009. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=14305@1.
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CONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICONesta tese é abordada a transmissão CDMA (Code Division Multiple Access) por blocos em canais SISO (Single Input - Single Output) seletivos em frequência. Considera-se a transmissão tanto em portadora única quanto multiportadora, com intervalo de guarda do tipo prefixo cíclico e do tipo preenchimento de zeros. São investigadas estruturas de detecção multiusuário às cegas, baseadas no critério de míınima variância com restrições lineares. Implementações adaptativas do tipo gradiente estocástico e do tipo míınimos quadrados são apresentadas e novos algoritmos de estimação de canal são propostos. É também discutida nesta tese a transmissão CDMA por blocos em canais MISO (Multiple Input - Single Output) seletivos em frequência. Considera-se, assim como no canal SISO, os casos de transmissão em portadora única e multiportadora, incorporando intervalos de guarda do tipo prefixo cíclico e do tipo preenchimento de zeros. Para este tipo de sistema, duas estruturas de transmissão são propostas e uma análise do ganho de diversidade para cada tipo de estrutura é conduzido, identificando as condiçõoes para atingir o máximo ganho de diversidade. Um detector baseado no critério de mínimo erro quadrático médio é implementado para cada estrutura e, no caso da primeira estrutura de transmissão, um detector às cegas baseado no critério de mínima variância é proposto. Uma implementação adaptativa do tipo mínimos quadrados é apresentada e novos algoritmos de estimação de canal são propostos.
This thesis addresses block CDMA (Code Division Multiple Access) transmission in frequency selective SISO (Single Input - Single Output) channels. Both multicarrier and single carrier transmission are considered with cyclic prefix and zero padding as guard interval. Blind multiuser detection based on the linearly constrained minimum variance criterion is investigated. Stochastic gradient and recursive least squares implementations are presented and new channel estimation algorithms are proposed. It is also discussed in this thesis block CDMA transmission in frequency selective MISO (Multiple Input - Single Output) channels, including, as in the SISO channel, the case of multicarrier and single carrier transmission with cyclic prefix and zero padding as guard interval. Two structures are proposed for transmission in this scenario, an analysis of the diversity gain for each type of structure is conducted and conditions for achieving the maximum diversity gain are identified. A detector based on the minimum mean square error criterion is implemented for each structure. Recursive least squares implementations are presented and new blind channel estimation algorithms are proposed.
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Göhlin, Anna, Anna Huttula, and Rebecka Andersson. "Yes SIIR : att bygga en trendanalysmodell för detaljhandeln." Thesis, Högskolan i Borås, Institutionen Textilhögskolan, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-16776.
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Detaljhandeln och dess konsumenter har sedan andra världskriget genomgått en stor förändring. Hos kunden skildras denna förändring i ett mer oberäkneligt konsumtionsmönster, samtidigt som detaljhandeln då tvingas utvecklas för att möjliggöra uppfyllandet av kundens nya behov. Forskning har visat att kundens köpbeteende allt mer styrs av värdeupplevelsen och att om en detaljist kan leverera kundvärde kan denne bli framgångsrik. Det är problematiskt att förstå vad en kund upplever som värdeskapande i köpprocessen, vilket vår uppdragsgivare önskar få hjälp med att åskådliggöra.Syfte: Syftet med denna kandidatuppsats är att ta fram en modell som utifrån värdeskapande variabler skall hjälpa uppdragsgivaren att förstå de faktorer som leder till att kunden upplever värde under köpprocessen och vilka effekter dessa ger för detaljhandelns förändringsarbete.Metod: Uppsatsen består av en litteraturstudie som inkluderar en systematisk litteraturöversikt och en analys av kvalitativ karaktär. Metodvalet resulterar i byggandet av en modell, vilken ämnar besvara uppsatsens syfte.Resultat: Den genomförda studien har visat att det finns fyra viktiga förutsättningar som ligger till grund för den utveckling som detaljhandeln har genomgått. Dessa förutsättningar påverkar ett detaljhandelsföretags existens och består av demografi, teknisk utveckling, globalisering och kundens ökade köpkraft. Vidare har detaljhandels utveckling påverkat kunden genom att denne erhållit ett förändrat kundbeteende som tenderar att vara allt mer värdestyrt. Det förändrade kundbeteendet har resulterat i att ett detaljhandelsföretag måste förstå hur denne kan leverera kundvärde för att kunna bli framgångsrik. Slutsatsen är att den framtagna modellen visar för uppdragsgivaren hur ett detaljhandelsföretag kan skapa upplevt värde för kunden och resulterar i ökad förståelse för givet ämnesområde.Vidare forskning Förslag till vidare forskning är att uppdragsgivaren testar den skapade forskningsmodellen i ett verklighetsförankrat sammanhang för att fastställa dess lämplighet. Görs detta är det lättare att uttala sig om modellens slutgiltiga trovärdighet.Since the Second World War, the retail industry and its consumers have changed. The consumers have developed an unpredictable consuming pattern, which has forced the retail industry to adjust in order to fulfill the new needs of the consumer. Research has indicated that the consumer has become more value driven, and if the retailer delivers consumer value, the possibility of success will increase. To understand what the consumer perceives as value in the buyer decision process is problematic, and to help visualizing this problematic matter is what our client wishes.
Purpose: The purpose of this thesis is to create a model based on value adding factors, aiming to help the client’s understanding in which of these factors that lead a customer to perceive value during the buyer decision process, and also in what changes this will bring to the retail industry.
Method: The thesis consists of a literary study. This literary study focuses on a systematic literature review and a qualitative analysis. The research method results in the construction of a model, which aims to answer the purpose of this thesis.
Result: The findings show four important conditions underlying the development of the retail industry and these conditions are; demography, technological development, globalization and increased consumer buying power. These four conditions are crucial for a retailer’s existence. Further, the development of the retail industry has affected the consumer in a way that has changed the consumer behavior towards being more value driven. The change in consumer behavior has made it important for the retailer to deliver consumer value in order to become successful. The conclusion is that the developed model shows the client how a retailer can create perceived value for customer and will result in a greater understanding in the given field of study.
Further research: The suggestion for future research is to examine how well suited the developed model is in the reality. Through this examination the trustworthiness of the model will be easier to comment on.
Program: Textilekonomutbildningen
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Amanzo, Lopez Cesar Francisco, Portilla Alexander Dany Ascarruz, Vitorino Jose Luis Aymar, and Lazo Hector Manuel Briceño. "Práctica Médica Sist. Circulatorio y Respiratorio - ME146 201801." Universidad Peruana de Ciencias Aplicadas (UPC), 2018. http://hdl.handle.net/10757/627388.
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Curso de especialidad, de la carrera de medicina, de carácter teórico- práctico del ciclo 3, en el que los
estudiantes al establecer una buena relación con el paciente y/o familiar realizan la anamnesis, que es una
entrevista dirigida al problema de salud que presenta el paciente, realizan el examen físico e integran
conocimientos que servirán para establecer un diagnostico por síndromes o problemas circulatorio y
respiratorio.
El curso de Práctica Médica Sistema Circulatorio y respiratorio busca desarrollar la competencia específica de
práctica clínica-diagnóstico (nivel 1) y profesionalismo-sentido ético y legal y responsabilidad profesional
(nivel 1).
La elaboración de una historia clínica orientada por problemas permitirá al estudiante en el futuro, plantear un
adecuado plan de trabajo y terapéutico para su paciente.
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Amanzo, Lopez Cesar Francisco, Dias Luis Fernando Oscar Carlos Arrieta, Portilla Alexander Dany Ascarruz, and Vitorino Jose Luis Aymar. "Práctica Médica Sist. Circulatorio y Respiratorio - ME146 201701." Universidad Peruana de Ciencias Aplicadas (UPC), 2017. http://hdl.handle.net/10757/627391.
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Curso de especialidad, de la carrera de medicina, de carácter teórico- práctico dirigido a los estudiantes del 3er
ciclo que busca desarrollar la competencia general de comunicación oral (nivel 1) y las competencias
específicas de práctica clínica-diagnóstico (nivel 1) y profesionalismo-sentido ético y legal y responsabilidad
profesional (nivel 1), a través de la elaboración, documentación y presentación de una historia clínica de un
paciente con problema respiratorio y/o circulatorio.
El estudiante al establecer una buena relación con el paciente y/o familiar obtiene la anamnesis, que es una
entrevista dirigida al problema de salud que presenta el paciente, realiza el examen físico e integra los
conocimientos que le servirán para establecer un diagnostico por síndromes o problemas.
La elaboración de una historia clínica orientada por problemas le permitirán al estudiante, tanto en los años
superiores como en su vida profesional plantear un adecuado plan de trabajo y terapéutico que curará o aliviará
a su paciente.
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Aplicadas, Universidad Peruana de Ciencias. "Práctica Médica Sist. Circulatorio y Respiratorio - ME146 201900." Universidad Peruana de Ciencias Aplicadas (UPC), 2019. http://hdl.handle.net/10757/627393.
Full textAbstract:
Curso de especialidad, de la carrera de medicina, de carácter teórico- práctico del ciclo 3, en el que los
estudiantes al establecer una buena relación con el paciente y/o familiar realizan la anamnesis, que es una
entrevista dirigida al problema de salud que presenta el paciente, realizan el examen físico e integran
conocimientos que servirán para establecer un diagnostico por síndromes o problemas circulatorio y
respiratorio.
El curso de Práctica Médica Sistema Circulatorio y respiratorio busca desarrollar la competencia general de
comunicación oral (nivel 1) y las competencias específicas de práctica clínica-diagnóstico (nivel 1) y
profesionalismo-sentido ético y legal y responsabilidad profesional (nivel 1).
La elaboración de una historia clínica orientada por problemas permitirá al estudiante en el futuro, plantear un
adecuado plan de trabajo y terapéutico para su paciente.
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Aplicadas, Universidad Peruana de Ciencias. "Práctica Médica Sist. Circulatorio y Respiratorio - ME146 201800." Universidad Peruana de Ciencias Aplicadas (UPC), 2018. http://hdl.handle.net/10757/627392.
Full textAbstract:
Curso de especialidad, de la carrera de medicina, de carácter teórico- práctico del ciclo 3, en el que los
estudiantes al establecer una buena relación con el paciente y/o familiar realizan la anamnesis, que es una
entrevista dirigida al problema de salud que presenta el paciente, realizan el examen físico e integran
conocimientos que servirán para establecer un diagnostico por síndromes o problemas circulatorio y
respiratorio.
El curso de Práctica Médica Sistema Circulatorio y respiratorio busca desarrollar la competencia específica de
práctica clínica-diagnóstico (nivel 1) y profesionalismo-sentido ético y legal y responsabilidad profesional
(nivel 1).
La elaboración de una historia clínica orientada por problemas permitirá al estudiante en el futuro, plantear un
adecuado plan de trabajo y terapéutico para su paciente.
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Ascarruz, Portilla Alexander Dany, La Cruz Larru Maria Teresa De, Vega Arturo Gabriel Jurado, and Leon Maria Esperanza Mesta. "Práctica Médica Sist. Circulatorio y Respiratorio - ME146 201901." Universidad Peruana de Ciencias Aplicadas (UPC), 2019. http://hdl.handle.net/10757/627757.
Full textAbstract:
Curso de especialidad, de la carrera de medicina, de carácter teórico- práctico del ciclo 3, en el que los
estudiantes al establecer una buena relación con el paciente y/o familiar realizan la anamnesis, que es una
entrevista dirigida al problema de salud que presenta el paciente, realizan el examen físico e integran
conocimientos que servirán para establecer un diagnostico por síndromes o problemas circulatorio y
respiratorio.
El curso de Práctica Médica Sistema Circulatorio y respiratorio busca desarrollar la competencia general de
comunicación oral ( nivel 1) y las competencias específicas de práctica clínica-diagnóstico (nivel 1) y
profesionalismo-sentido ético y legal y responsabilidad profesional (nivel 1).
La elaboración de una historia clínica orientada por problemas permitirá al estudiante en el futuro, plantear un
adecuado plan de trabajo y terapéutico para su paciente.
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Ascarruz, Portilla Alexander Dany, Vitorino Jose Luis Aymar, Brandt Roman Barreto, and Castellanos Maria Georgina Ceferino. "Práctica Médica Sist. Nervioso y Tegumentario - ME139 201702." Universidad Peruana de Ciencias Aplicadas (UPC), 2017. http://hdl.handle.net/10757/627838.
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Curso de especialidad, de la carrera de medicina, de carácter teórico- práctico del ciclo 2 en el que los
estudiantes al establecer una buena relación con el paciente y/o familiar realizan la anamnesis, que es una
entrevista dirigida al problema de salud que presenta el paciente, realizan el examen físico e integra
conocimientos que servirán para establecer un diagnostico por síndromes o problemas del sistema nerviosos y
tegumentario.
El curso de Práctica Médica Sistema Nervioso y tegumentario busca desarrollar la competencia general de
ciudadanía (nivel 1) y las competencias específicas de práctica clínica-diagnóstico (nivel 1) y profesionalismosentido
ético y legal y responsabilidad profesional(nivel 1), tiene el prerrequisito del curso de Fundamentos de
la Salud.
La elaboración de una historia clínica orientada por problemas permitirá al estudiante, plantear un adecuado
plan de trabajo y terapéutico para su paciente.
30
De, La Cruz Larru Maria Teresa, Chinarro Juan Felix Pun, and Caldas Eva Maria Salinas. "Práctica Médica Sist. Nervioso y Tegumentario - ME139 201900." Universidad Peruana de Ciencias Aplicadas (UPC), 2019. http://hdl.handle.net/10757/627836.
Full textAbstract:
Curso de especialidad, de la carrera de medicina, de carácter teórico- práctico del ciclo 2, en el que los
estudiantes al establecer una buena relación con el paciente y/o familiar realizan la anamnesis, que es una
entrevista dirigida al problema de salud que presenta el paciente, realizan el examen físico e integran
conocimientos que servirán para establecer el diagnostico por síndromes o problemas del sistema nervioso y
tegumentario.
El curso de Práctica Médica Sistema Nervioso y tegumentario busca desarrollar la competencia general de
ciudadanía (nivel 1) y las competencias específicas de práctica clínica-diagnóstico (nivel 1) y profesionalismosentido
ético y legal y responsabilidad profesional (nivel 1). La elaboración de una historia clínica orientada por
problemas permitirá al estudiante en el futuro, plantear un adecuado plan de trabajo y terapéutico para su
paciente.
31
Aplicadas, Universidad Peruana de Ciencias. "Práctica Médica Sist. Nervioso y Tegumentario - ME139 201800." Universidad Peruana de Ciencias Aplicadas (UPC), 2018. http://hdl.handle.net/10757/627840.
Full textAbstract:
Curso de especialidad, de la carrera de medicina, de carácter teórico- práctico del ciclo 2, en el que los
estudiantes al establecer una buena relación con el paciente y/o familiar realizan la anamnesis, que es una
entrevista dirigida al problema de salud que presenta el paciente, realizan el examen físico e integran
conocimientos que servirán para establecer un diagnostico por síndromes o problemas del sistema nerviosos y
tegumentario.
El curso de Práctica Médica Sistema Nervioso y tegumentario busca desarrollar las competencias específicas de
práctica clínica-diagnóstico (nivel 1) y profesionalismo-sentido ético y legal y responsabilidad profesional(nivel
1).
La elaboración de una historia clínica orientada por problemas permitirá al estudiante en el futuro, plantear un
adecuado plan de trabajo y terapéutico para su paciente.
32
Ceferino, Castellanos Maria Georgina, La Cruz Larru Maria Teresa De, Espinoza Gregoria Eguizabal, and Vega Luz Haydee Huapaya. "Práctica Médica Sist. Nervioso y Tegumentario - ME139 201802." Universidad Peruana de Ciencias Aplicadas (UPC), 2018. http://hdl.handle.net/10757/627841.
Full textAbstract:
Curso de especialidad, de la carrera de medicina, de carácter teórico- práctico del ciclo 2, en el que los
estudiantes al establecer una buena relación con el paciente y/o familiar realizan la anamnesis, que es una
entrevista dirigida al problema de salud que presenta el paciente, realizan el examen físico e integran
conocimientos que servirán para establecer el diagnostico por síndromes o problemas del sistema nervioso y
tegumentario.
El curso de Práctica Médica Sistema Nervioso y tegumentario busca desarrollar la competencia general de
ciudadanía (nivel 1) y las competencias específicas de práctica clínica-diagnóstico (nivel 1) y profesionalismosentido
ético y legal y responsabilidad profesional (nivel 1). La elaboración de una historia clínica orientada por
problemas permitirá al estudiante en el futuro, plantear un adecuado plan de trabajo y terapéutico para su
paciente.
33
Amanzo, Lopez Cesar Francisco, Dias Luis Fernando Oscar Carlos Arrieta, Portilla Alexander Dany Ascarruz, and Vitorino Jose Luis Aymar. "Práctica Médica Sist. Nervioso y Tegumentario - ME139 201602." Universidad Peruana de Ciencias Aplicadas (UPC), 2016. http://hdl.handle.net/10757/627835.
Full textAbstract:
Curso de la especialidad, de la carrera de medicina ,de carácter teórico- práctico dirigido a los estudiantes del
2do ciclo que busca desarrollar la competencia general de ciudadanía( nivel 1) y las competencias específicas
de práctica clínica-diagnóstico( nivel 1) y profesionalismo-sentido ético y legal y responsabilidad profesional(
nivel 1) ,a través de la elaboración, documentación y presentación de una historia clínica de un paciente con un
problema del sistema nervioso o tegumentario, estableciendo una buena relación con el paciente y/o familiar
obtiene la anamnesis ,que es una entrevista dirigida al problema de salud que presenta el paciente , realiza el
examen físico e integra los conocimientos que le servirán para establecer un diagnostico sindrómico o por
problemas.
La elaboración de una historia clínica orientada por problemas le permitirán al estudiante, tanto en los años
superiores como en su vida profesional plantear un adecuado plan de trabajo y terapéutico que curará o aliviará
a su paciente.
34
Ascarruz, Portilla Alexander Dany, Vitorino Jose Luis Aymar, Castellanos Maria Georgina Ceferino, and La Cruz Larru Maria Teresa De. "Práctica Médica Sist. Nervioso y Tegumentario - ME139 201700." Universidad Peruana de Ciencias Aplicadas (UPC), 2017. http://hdl.handle.net/10757/627839.
Full textAbstract:
Curso de especialidad, de la carrera de medicina, de carácter teórico- práctico dirigido a los estudiantes del 2do
ciclo que busca desarrollar la competencia general de ciudadanía (nivel 1) y las competencias específicas de
práctica clínica-diagnóstico (nivel 1) y profesionalismo-sentido ético y legal y responsabilidad profesional
(nivel 1), a través de la elaboración, documentación y presentación de una historia clínica de un paciente con
problema nervioso y tegumentario.
El estudiante al establecer una buena relación con el paciente y/o familiar obtiene la anamnesis, que es una
entrevista dirigida al problema de salud que presenta el paciente, realiza el examen físico e integra los
conocimientos que le servirán para establecer un diagnostico por síndromes o problemas.
La elaboración de una historia clínica orientada por problemas le permitirán al estudiante, tanto en los años
superiores como en su vida profesional plantear un adecuado plan de trabajo y terapéutico que curará o aliviará
a su paciente.
35
Aymar, Vitorino Jose Luis, La Cruz Larru Maria Teresa De, Espinoza Gregoria Eguizabal, and Huerta Margarita Maria Maldonado. "Práctica Médica Sist. Nervioso y Tegumentario - ME139 201901." Universidad Peruana de Ciencias Aplicadas (UPC), 2019. http://hdl.handle.net/10757/627837.
Full textAbstract:
Curso de especialidad, de la carrera de medicina, de carácter teórico- práctico del ciclo 2, en el que los
estudiantes al establecer una buena relación con el paciente y/o familiar realizan la anamnesis, que es una
entrevista dirigida al problema de salud que presenta el paciente, realizan el examen físico e integran
conocimientos que servirán para establecer el diagnostico por síndromes o problemas del sistema nervioso y
tegumentario.
El curso de Práctica Médica Sistema Nervioso y tegumentario busca desarrollar la competencia general de
ciudadanía (nivel 1) y las competencias específicas de práctica clínica-diagnóstico (nivel 1) y profesionalismosentido
ético y legal y responsabilidad profesional (nivel 1). La elaboración de una historia clínica orientada por
problemas permitirá al estudiante en el futuro, plantear un adecuado plan de trabajo y terapéutico para su
paciente.
36
Devrér, Jesper, and Mikael Persson. "En för alla, alla för en : Vad är sammanhållning och vilken innebörd har begreppet sammanhållning för SISU`s idrottskonsulenter." Thesis, Högskolan i Halmstad, Sektionen för hälsa och samhälle (HOS), 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-17531.
Full textAbstract:
The purpose of this study was to find out how SISU reason about cohesion with respect to its own operations, as sports consultants. There is no previous research on how sports consultants using cohesion as a pedagogical tool. However, there is research on cohesion linked to sport. Earlier research sees cohesion as a multidimensional phenomenon. This means that multiple factors determine the experience of cohesion. Such factors include how how-knit the team or group are, individual and joint objectives and that the individuals share common experiences. Previous research also shows that cohesion can be understood only when one understands the context in which the team or group is in. SISU is a sports educational organization, actively working with the development of sports clubs. Through them sports clubs learn the importance of cohesion in sport. SISU comprises 21 districts and is available in all municipalities from north to south. By its geographical coverage and the large number of sports they are in contact with, they are an influential factor that should not be underestimated. The socio-cultural perspective sees learning as an ongoing process and that people learn and absorb new knowledge both consciously and unconsciously. From a sociocultural perspective conveyed SISU's vision of cohesion directly and indirectly to the sport. The results of this study show that SISU uses several intellectual tools to increase understanding of the importance of cohesion. These tools are also used to create a greater cohesion in sports. The results also show that SISU puts greatest emphasis on the importance of cohesion in sports. For SISU is the cohesion everything. Our conclusion is that SISU talking about cohesion through a series of concepts. These concepts include team spirit, community, group cohesion, group dynamics, friend and family spirit. Our interpretation is that SISU's Sports Consultants talk about cohesion through these concepts and that cohesion is strongly linked to them. These concepts can be seen as dimensions of cohesion. But a specific definition of what the concept of cohesion is not found.Syftet med studien är att belysa hur idrottskonsulenter på SISU använder begreppet sammanhållning som ett pedagogiskt verktyg i sina kontakter med idrottsföreningar. Det finns ingen tidigare forskning på hur idrottskonsulenter använder sammanhållning som pedagogiskt verktyg i sitt arbete. Däremot finns det forskning på sammanhållning kopplat till idrott. Av de studier vi tagit del av på området ses sammanhållning som ett multidimensionellt fenomen. Det innebär att flera faktorer avgör upplevelsen av sammanhållning. Till dessa faktorer hör hur sammansvetsad laget eller gruppen är, individuella och gemensamma målsättningar och att individerna delar gemensamma upplevelser. Tidigare forskning visar också att sammanhållning kan förstås först när man förstår den kontext som laget eller gruppen befinner sig i.SISU som är en idrottsutbildande organisation, arbetar aktivt med utveckling inom idrottsföreningar. Genom dem lär idrottsföreningarna om sammanhållningens betydelse för idrotten. SISU består av 21 distriktsförbund och finns i alla kommuner från norr till söder. Genom sin geografiska täckning och det stora antalet idrottsföreningar de står i förbindelse med, är de en påverkansfaktor som inte bör underskattas. Det sociokulturella perspektivet ser lärandet som en ständigt pågående process och att människan lär och tar till sig ny kunskap både medvetet och omedvetet. Sett ur ett sociokulturellt perspektiv förmedlas SISU´s syn på sammanhållning direkt och indirekt till idrotten. Resultatet av studien visar att SISU använder flera intellektuella redskap för att öka förståelsen för sammanhållningens betydelse. Dessa redskap används också för skapa en bättre sammanhållning inom idrottsföreningar. Resultatet visar också att SISU lägger största vikt vid sammanhållningens betydelse för idrottsföreningar. För SISU är sammanhållningen allt! Vår slutsats är att SISU talar om sammanhållning genom en rad begrepp. Till dessa begrepp hör laganda, gemenskap, gruppsammanhållning, gruppdynamik, kompisanda och familjär. Vår tolkning är att SISU´s idrottskonsulenter pratar kring sammanhållning genom dessa begrepp och att sammanhållning är starkt kopplat till dem. Dessa begrepp kan ses som dimensioner av sammanhållning. Men en specifik definition om vad begreppet sammanhållning är finns inte.
37
Mathisen, Martine. "Sykepleieres ivaretakelse av pasienter med mistenkt sepsis i et akuttmottak." Thesis, Sophiahemmet Högskola, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:shh:diva-2636.
Full textAbstract:
Slik det norske helsevesenet fungerer er oftest sykepleier tettest på pasienten over tid samt er den første til å møte pasienten ved ankomst i et akuttmottak. Det er sykepleier som triagerer pasienten ved ankomst og det er en sykepleier som gjør de primære undersøkelsene. Kunnskap om SIRS og sepsis er viktig å inneha for og kunne plukke opp tegnene i en tidlig fase og dermed kunne kommunisere funnene til ansvarlig lege slik at behandling kan igangsettes raskt. I tillegg må sykepleiere ha kunnskap om prioriteringen av de viktigste primære behandlingstiltakene som bør igangsettes hos pasienter med mistanke om sepsis. Kommunikasjon er også viktig opp mot pasienten for jevnlig å kunne vurdere pasientens tilstand og en eventuelt forverring. Om strukturerte metoder for bedømming ikke er tilstede hos ansvarlig sykepleier kan dette få store konsekvenser for pasienten ved at sepsis kan utvikle seg til alvorlig sepsis eller septisk sjokk som har høy mortalitet. Hensikten med studien var å undersøke sykepleieres ivaretakelse av pasienter med mistenkt sepsis i et akuttmottak. Metoden var kvantitativ og data ble samlet inn ved hjelp av en spørreundersøkelse på ett akuttmottak hvor 36 sykepleiere besvarte skjemaet. Den innsamlede dataen ble analysert ved hjelp av deskriptiv statistikk og presentert i prosentform i tabell, diagrammer og løpende tekst. Resultatet viste at en stor andel av sykepleierne hadde god kunnskap om evidensbasert forskning og benyttet denne så vel som i undersøkelsen som i behandlingen av pasienten med mistenkt sepsis. Det kom samtidig frem at så mange som ca. 30 prosent ikke var sikre på hva SIRS kriteriene er og hva som er definisjonen på sepsis. Åtti prosent var sikre på primære behandlingstiltak, mens 20 prosent var usikre. Dette viser at det er behov for forbedring. Videre viser undersøkelsen at 75 prosent mener at triage er et godt verktøy for å oppdage mistanke om sepsis i en tidlig fase. I all hovedsak viste undersøkelsen at det var oppfattet å være god kommunikasjonen både mellom sykepleier og lege samt mellom sykepleier og pasient. Konklusjonen var at det var en høy andel sykepleiere i avdelingen som har god kunnskap om evidensbasert forskning samt lokale og internasjonale retningslinjer for både ivaretakelse og behandling av pasienter med sepsis. Sykepleierne visste hvilke kriterier de skal se etter for å oppdage sepsis i en tidlig fase samt hvilke målinger og tiltak som burde gjøres for å unngå utviklingen av alvorlig sepsis og septisk sjokk. Det er allikevel fortsatt rom for forbedringspotensialet da det burde være tett opp mot 100 prosent som sitter inne med denne kunnskapen. Kommunikasjonen mellom sykepleier og lege ved behandling av pasienter med mistenkt sepsis viste seg å oppfattes som god, bortsett fra ved bruk av medisinsk team hvor det fremgikk at ikke alles roller var godt nok kjent. Når det gjelder kommunikasjonen mellom sykepleier og pasient ble denne oppfattet god fra sykepleiers side ved at de hadde tid til å formidle trygghet via verbal og/eller non-verbal kommunikasjon. Sykepleierne opplevde i stor grad at pasientene forsto informasjonen de ga om sepsis og aktuelle behandlingstiltak, men at legenes informasjon til pasienten ikke ble forstått like godt.The way the Norwegian healthcare system works most often a nurse is the one that work closest with the patient over time and they are the first to see the patients as they arrive at the emergency department. It´s a nurse that do a triage of the patient at arrival and it´s a nurse that perform the first survey. Knowledge of SIRS and sepsis is important to be able to catch the signs at an early stage and then be able to communicate the findings to a doctor so that the treatment can get started as quick as possible. The nurse must also have knowledge about how to prioritize which cause of treatment that should be started if they suspect sepsis in a patient. The communication with the patient is also important to be able to continuously assess the patient’s condition and a possible deterioration. If structured methods for assessment are not in place this might have huge consequences for the patient because sepsis can develop in to severe sepsis or septic shock, which have a high mortality rate. The aim of this study was to investigate nurses’ care for patients with suspected sepsis in an Emergency Department. The method used was quantitative and the data was collected by using a survey. The study was set in an emergency department where 36 nurses answered the survey. The collected data was analysed by using descriptive statistic and presented in a table, diagrams and text by using per cent. The result showed that a big share of the nurses had a wide knowledge in evidensebased research and used this in their survey and treatment of the patient with suspected sepsis. At the same time it showed that as many as about 30 per cent was not sure about what the SIRS criteria are nor what´s the correct definition of Sepsis. Eighty per cent was sure about what the primary treatment includes but 20 per cent was unsure. This show there is a need for improvement. Further on the survey shows that 75 per cent sees triage as a good way of detecting suspicion of sepsis at an early stage. All in all the survey showed that the communication was considered good both between nurse and doctor and nurse and patient. The conclusion was that a high share of the nurses at the emergency department had a wide knowledge about evidence based research as well as local and international guidelines for care and treatment of patients with suspected sepsis. The nurses had the accurate knowledge about which criteria’s to look for to be able to detect sepsis at an early stage as well as which measurements and measures that should be done to be able to avoid sepsis to develop in to severe sepsis or septic shock. Even so there is room for improvement as there should be close to a 100 per cent that hold this knowledge. The communication between nurse and doctor during the treatment of patient with suspected sepsis was understood as good except from when they where using what they call the medical team this because the roles in the team was not well known for everybody. The communication between nurse and patient was considered good from a nurse point of view because they felt like they had enough time to express safety to the patient by using verbal and/or non-verbal communication. The nurses mostly experienced that the patients understood the information they gave about sepsis and actual treatment but that the doctor’s information was not understood that well.
38
Burton, David Raymond. "Sir Godfrey Lagden : colonial administrator." Thesis, Rhodes University, 1991. http://hdl.handle.net/10962/d1001848.
Full textAbstract:
The thesis attempts to provide a chronological analysis of Lagden's colonial career between 1877 and 1907. The youngest son of a parish priest, Lagden received limited formal education and no military training. By a fortuitous set of circumstances, he was able, as a man on the spot, to attain high ranking posts in colonial administration. As a young man, he acquired considerable experience in the Transvaal, Egypt and the Gold Coast. However, blatant disobedience led to his dismissal from Colonial service. Fortunately for Lagden, Marshal Clarke, newly appointed Resident Commissioner of Basutoland, insisted on Lagden being appointed to his staff. Except for a brief stint in Swaziland, Lagden remained in Basutoland until 1900. With Clarke, Lagden played a prominent role in the implementation of the Imperial policy of securing the support of the Koena chiefs by allowing them to retain and consolidate their power and influence. Lagden became Resident Commissioner in Basutoland when Clarke was transferred to Zululand. He continued established policies and championed the Basotho cause by opposing the opening of Basutoland to prospectors and by stressing the industrious habits of the Basotho. His tactful and energetic handling of the rinderpest crisis reduced dramatic repercussions amongst the Basotho and enabled cooperative Koena chiefs to increase their economic and political leverage. Despite his reservations over Basotho loyalty, Lagden emerged from the South African War with an enhanced reputation as the Basotho remained loyal and energetically participated in the Imperial war effort. Largely because of his Basutoland experience, Lagden was appointed the Transvaal Commissioner of Native Affairs in 1901. He was responsible for regulating African labour supplies for the mines and delineation of African locations. His failure to procure sufficient labour and his defence of African rights earned Lagden much abusive settler condemnation. As chairman of the South African Native Affairs Commission, Lagden produced an uninspiring report conditioned by the labour shortage and his personal distaste for decisive action. Nevertheless, its advocacy of political and territorial segregation influenced successive Union governments.
39
Cromartie, Alan Duncan Talbot. "Sir Matthew Hale (1609-76)." Thesis, University of Cambridge, 1991. https://www.repository.cam.ac.uk/handle/1810/271902.
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40
DIDIER, Maria Ângela Caldas. "Modelos de acoplamento de SIS." Universidade Federal de Pernambuco, 2011. https://repositorio.ufpe.br/handle/123456789/7015.
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Previous issue date: 2011Neste trabalho, pretendemos estudar as vantagens e as limitações dos modelos de acoplamento de SIS(suscetíveis - infectados - suscetíveis) determinísticos e estocásticos. Nosso objetivo principal é através de uma modelagem minimalista tentar explicitar algumas dificuldades encontradas com a modelagem de doenças tão complexas como a Esquistossomose e as Infecçãoes Hospitares. A alta variância nos dados obtidos em campo para tais modelos [6] têm sido um obstáculo na descrição dessas doenças. É nossa intenção tentar descrever tal fenômeno como sendo resultado de um simples acoplamento entre duas populações. Em um segundo momento, pretendemos estabelecer relações entre conceitos determinísticos e os sistemas estocásticos a exemplo do que é feito para o modelo SIS [19-b, 5, 10]. Tal relação permitiria uma melhor descrição dos modelos estocásticos bem como discutir estratégias de controle. Para tanto, estudamos a suscetibilidade dos modelos criados aos seus parâmetros de base. Como doenças possíveis de serem estruturalmente conceituadas através de nossos modelos citamos novamente os casos da Esquistossomose e das Infecções Hospitalares. Na primeira, temos a população de humanos e a população de focos da doença. Na segunda, temos a população dos doentes e a população composta por médicos e enfermeiros de um hospital. Com o propósito descrito acima, desenvolvemos alguns modelos de acoplamento de modelos SIS determinísticos e estocásticos para simular e estudar a dinâmica da difusão de infecções numa comunidade. Foi construído um modelo estocástico computacional de acoplamento de dois SIS e um modelo determinístico com propósito de descrever o modelo qualitativamente. Nos modelos determinísticos o valor da reprodutividade basal representado pelo símbolo R0, determina a persistência ou extinção da doença. Foi realizada uma análise da estabilidade do equilíbrio determinístico em função da reprodutividade basal definida para o modelo determinístico. Para o modelo computacional, estudamos a convergência para um equilíbrio do número de indivíduos infectados de cada popula ção e da reprodutividade basal calculada. Analisamos o comportamento da reprodutividade basal em função do tamanho de uma das populações e também, em função do tempo de recupera ção dos indivíduos de uma população considerada. Observando a existência de epidemias onde os indivíduos podem se infectar mais de uma vez(superinfecção) como por exemplo, a esquistossomose, resolvemos acrescentar a condição de reinfecção no modelo computacional e analisar o comportamento da reprodutividade basal. Foram construídos modelos estocásticos de acoplamento de modelos SIS em tempo-discreto e em tempo-contínuo introduzindo um vetor bidimensional de cadeias de Markov (X(t); Y (t)), t 0 onde X(t) representa o número de indivíduos infectados de uma população H e Y (t), o número de indivíduos infectados de umapopulação F. Consideramos constantes os tamanhos das duas populações, as taxas de transmiss ão e as taxas de recuperação. Estudamos numericamente o valor esperado do número de indivíduos infectados da população H em função do tamanho da população F e, também, em função do tempo de recuperação dos indivíduos da população F. Nos modelos estocásticos, em alguns casos, o tempo até a extinção da doença pode ser muito longo. Portanto, investigamos a possibilidade de construção de uma distribuição de probabilidade condicionada à não-extinção da doença: a distribuição de probabilidade quase-estacionária. O tratamento analítico para a sua obtenção é complexo e encontra um sem número de dificuldades. Recorremos então a aproxima ções analíticas e numéricas para a sua determinação.Mostramos que o tempo de extinção para o modelo de acoplamento em tempo contínuo construído com início em uma distribuição quase-estacionária tem crescimento exponencial. Construímos um modelo de acoplamento de SIS em tempo-contínuo sob uma abordagem estrutural dentro de um processo semi-Markoviano permitindo formular explicitamente o tempo de espera para a extinção de uma epidemia e a sua variância a partir do estado de infecção de cada população. Uma análise do valor esperado para o tempo de extinção e de sua variância em função dos parâmetros do modelo foi realizada. Finalmente, construímos um modelo de acoplamento de SIS onde foi dado um tratamento determin ístico e estudamos o equilíbrio da matriz de covariância para as variáveis aleatórias que representam os números de indivíduos infectados de cada população
41
Greer, Janice. "Sir Walter Ralegh's verse conversations." Thesis, Virginia Tech, 1996. http://hdl.handle.net/10919/42592.
Full textAbstract:
Sir Walter Raleigh's poems, as tghey circulated in manuscripts, are influenced by Raleigh's position at court, his social situation, the patronage system, and the political scene. Even though many scholars believe that often verses were copied groups according to theme, careful consideration shows that verses that have been tradionally seen as related by theme have a stronger connection. The context of the peom can reveal a great deal about the intention of the author and the situation about which the author wrote.Master of Arts
42
Jezzard, Andrew. "The sculptor Sir George Frampton." Thesis, University of Leeds, 1999. http://etheses.whiterose.ac.uk/303/.
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George Frampton (1860-1928) was arguably one of the most important sculptors of the movement that became known as 'The New Sculpture' in Britain from the 1880s to around 1920. Frampton's generation became known for its employment of detailed surface modelling, attention to anatomical detail and a predominance of bronze as a medium through which to express these matters. Frampton finished his schooling at the Royal Academy, after winning the Gold Medal and Travelling Studentship (which took him to Paris), in 1899. He went on to regularly exhibit at the RA and was elected an Associate in 1894 and full RA in 1902. His range of work was widespread in the fields of architectural decoration (internal and external), jewellery and silversmithery, commemorative medals, portraiture, all types of commemorative monumental sculpture, and ideal work. By 1908 when he received his knighthood, Frampton was a respected, efficient and dextrous maker of commissioned work and numerous prestigious schemes were afforded him. This range of work will be examined in depth and my research has uncovered many new works in these genres. It is the purpose of this thesis to resurrect Frampton's name ftom. the neglect it has suffered in art historical writings since the sculptor's death some 69 years ago.
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Warr, Alan Reginald. "A study of the relationships of strategic information systems planning (SISP) approaches, objectives and context with SISP success within UK organisations." Thesis, London Business School (University of London), 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.414817.
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Zhou, Yangjun. "A millimeter unilateral finline SIS mixer with a wide IF bandwidth." Thesis, University of Oxford, 2013. http://ora.ox.ac.uk/objects/uuid:e9287143-b225-4b37-b7f1-e58340a20668.
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Superconductor-Insulator-Superconductor (SIS) tunnel junction mixers are now commonly used in astronomical receivers at (sub)millimeter wavelengths because of their superb sensitivity, high dynamic range and stability of operation. Niobium SIS mixers operating at frequencies well below the super- conducting gap (∼680 GHz) have already achieved quantum limited sensitivity. Therefore to further enhance the receiver sensitivity, increasing the Intermediate Frequency (IF) bandwidth of SIS mixers has became crucial. This thesis focuses on the theoretical modeling, design and experimental verifi- cation of Nb SIS mixers operating around 230 GHz with a wide IF bandwidth of 1–15 GHz. These mixers were designed for a single baseline heterodyne interferometer (GUBBINS), which is being built to observe the Sunyaev-Zel’dovich effect in the Cosmic Microwave Background. The combination of wide IF bandwidth SIS mixers and complex analogue correlators will allow GUBBINS to feature high surface brightness sensitivity, that helps to distinguish the weak SZ effect from the background noise. The SIS mixer detector system was assembled inside the GUBBINS cryostat together with the IF electronics and RF/LO optical systems. Low noise temperatures of around 71 K were then measured in the GUBBINS system. The Nb SIS mixer we have developed uses a unilateral finline and fully integrated planar circuits deposited on a silicon substrate, to couple the electromagnetic radiation from the waveguide into the SIS junction. The finline mixer allows a broad-band RF coupling, an easy integration of the on-chip planar circuits and an easy-to-fabricate mixer block. To achieve a wide IF bandwidth, the output impedance of the SIS mixer was well matched to the input impedance of the amplifier by a multi-stage microstrip circuit. Additionally, the planar circuit of the SIS mixer was also designed to have a small lumped inductance and capacitance. The SIS mixer chip was extensively simulated by rigorous electromagnetic software (HFSS) and the S-parameter was exported to a quantum mixing package SuperMix to produce a full-wave model of the mixer. Experimental testing yielded a best noise temperature of 50 K with an average noise temperature of 75 K over an RF bandwidth of 160 GHz– 260 GHz. We have performed thorough experimental and computational investigation of the IF system in particular the constraints on the bandwidth caused by the lumped element capacitance of the mixer chip and the matching of the output impedance of the mixer to the IF amplifier. Our conclusion is that a bandwidth of 1–15 GHz could be achieved using our mixer design, subject to the performance of the amplifier. Finally, a variable temperature load system was successfully developed and tested inside the cryostat, to avoid the losses from the room-temperature optics. We have showed that the noise temperature of the SIS detector could be reduced by as much as 15 K by testing the mixer using a variable temperature load inside the cryostat.
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Rodrigues, Luís Miguel Manita. "Coagulopathy in sepsis and the prognostic value of abnormal coagulation times." Master's thesis, Universidade de Évora, 2017. http://hdl.handle.net/10174/21771.
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Sepsis is a hard to define condition associated with the deleterious systemic inflammatory response syndrome (SIRS) which ultimately leads to the failure of multiple organs. The mediators released throughout this exaggerated inflammatory reaction activate coagulation pathways and generate a dysfunctional response that results in coagulopathy.
The present dissertation includes a literature review regarding the subject of sepsis and associated coagulopathy, along with a study that primarily aims to investigate the use of abnormal coagulation times as biological markers of coagulation dysfunction and as predictors of outcome in veterinary patients who are at risk of developing sepsis.
The results suggest that pairing coagulation time data with an organ failure scoring system may be advantageous in the prediction of outcome. Furthermore, critically ill patients should be given a five-day time frame following admission before euthanasia is considered, as most tend to survive their illnesses once they get past this period; RESUMO:
COAGULOPATIA NA SÉPSIS E O VALOR DE PROGNÓSTICO DE TEMPOS DE COAGULAÇÃO ALTERADOS
A sépsis é uma síndrome de difícil definição e que está associada à síndrome da resposta inflamatória sistémica (SIRS) que leva à falha de múltiplos órgãos. Os mediadores libertados durante esta reação inflamatória exagerada levam à ativação disfuncional da coagulação sanguínea, o que resulta em coagulopatia.
A presente dissertação inclui uma revisão bibliográfica sobre o tema da sépsis e a coagulopatia associada, bem como um estudo cujo objetivo primário é o de investigar a utilização de tempos de coagulação alterados, tanto como marcadores biológicos de disfunção da coagulação sanguínea bem como fatores de prognóstico em pacientes veterinários em risco de sépsis.
Os resultados do estudo realizado mostram vantagem em associar a avaliação dos tempos de coagulação com sistemas de pontuação de falha orgânica para a realização do prognóstico. Estes sugerem também que os pacientes críticos que ultrapassam os primeiros cinco dias após a sua admissão hospitalar tendem a sobreviver.
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Ferreira, André de Brito Cavaco. "Clínica e cirurgia de animais de companhia." Master's thesis, Universidade de Évora, 2017. http://hdl.handle.net/10174/22430.
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Este relatório foi elaborado no âmbito do estágio curricular efetuado no Hospital Veterinário Muralha de Évora, que decorreu entre 1 de Outubro de 2016 e 31 de Março de 2017 e encontra-se dividido em duas partes. A primeira parte aborda a casuística acompanhada durante o estágio. A segunda parte consiste numa revisão bibliográfica dirigida ao tema “Síndrome da Resposta Inflamatória Sistémica (systemic inflammatory response syndrome, SIRS), sepsis e Síndrome da Disfunção Múltipla de Órgãos (multiple organ dysfunction syndrome, MODS) em animais de companhia” seguida da apresentação de um caso clínico ilustrativo do tema. O SIRS, a sepsis e o MODS constituem síndromes graves, sendo o reconhecimento precoce destas condições essencial para uma evolução clínica favorável. Nestas síndromes, a abordagem ao paciente baseia-se, sobretudo, numa monitorização rigorosa e na terapêutica de suporte, que tem como objetivo principal a estabilização dos parâmetros cardiovasculares e, se presente, o controlo da infeção; Abstract: Small Animal Practice
This report was elaborated on the context of the traineeship at Hospital Veterinário Muralha de Évora from October 1st, 2016 to March 31st, 2017 and it is divided in two parts. The first part describes the casuistry followed during the traineeship. The second part consists of a literature review directed to the theme “SIRS, sepsis and MODS in companion animals”, followed by the presentation of a clinical case. SIRS, sepsis and MODS are serious syndromes and the early recognition of these conditions is essential for a favorable clinical course. The approach to these patients is mainly based on strict monitoring and supportive therapy, whose main goals are the stabilization of cardiovascular parameters and, if present, the control of infection.
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Bautista, Duran Ruth. "La construccion de la etnicidad estrategica femenina de las bartolinas (Federacion Departamental de Mujeres Campesinas de La Paz - Bartolina Sisa) 2000-2006." Universidad Mayor de San Andrés. Programa Cybertesis BOLIVIA, 2012. http://www.cybertesis.umsa.bo:8080/umsa/2012/bautista_dr/html/index-frames.html.
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El presente informe corresponde a un acercamiento personal, investigativo y técnico, a este movimiento sindical de mujeres, que se inició en una idealización coherente a la admiración que me suscitaban algunas líderes que llegué a conocer. De esta manera muestro una reflexión en torno a las lecturas que se han hecho sobre las bartolinas, la noción de identidad y la posible instrumentalización en la que pueden recaer las identidades estratégicas tanto étnicas como de género. En varias ocasiones dado el tiempo que me ha demorado esta investigación, se me ha preguntado sobre la razón de ser, las funciones de tipo agrario y sindical y el aporte político de las bartolinas. Todavía no tengo una respuesta que pueda conformar estas cuestionantes, a más de alegar la resistencia que ejercen como mujeres en un ambiente marcadamente masculinista. No obstante, debo decir que he encontrado procesos sociales, individuales y grupales que probablemente no tengan reconocimiento público, pero que considero son aportes en la vida de las mujeres y sus perspectivas propias.
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Freudenthaler, Klemens. "Investigation of the HSDPA system and its MIMO extension /." Linz : Trauner, 2008. http://opac.nebis.ch/cgi-bin/showAbstract.pl?u20=9783854994169.
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Cheng, Zizhi. "Communication System over Gnu Radio and OSSIE." Thesis, University of North Texas, 2011. https://digital.library.unt.edu/ark:/67531/metadc103299/.
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GNU Radio and OSSIE (Open-Source SCA (Software communication architecture) Implementation-Embedded) are two open source software toolkits for SDR (Software Defined Radio) developments, both of them can be supported by USRP (Universal Software Radio Peripheral). In order to compare the performance of these two toolkits, an FM receiver over GNU Radio and OSSIE are tested in my thesis, test results are showed in Chapter 4 and Chapter 5. Results showed that the FM receiver over GNU Radio has better performance, due to the OSSIE is lack of synchronization between USRP interface and the modulation /demodulation components. Based on this, the SISO (Single Input Single Output) communication system over GNU Radio is designed to transmit and receive sound or image files between two USRP equipped with RFX2400 transceiver at 2.45G frequency. Now, GNU Radio and OSSIE are widely used for academic research, but the future work based on GNU Radio and OSSIE can be designed to support MIMO, sensor network, and real time users etc.
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Hopkins, Andrea. "The treatment of penitence in Guy of Warwick, Sir Ysumbras, Sir Gowther and Roberd of Cisyle." Thesis, University of Oxford, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.306718.
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