Dissertations / Theses on the topic 'RBC'
To see the other types of publications on this topic, follow the link: RBC.
Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles
Consult the top 50 dissertations / theses for your research on the topic 'RBC.'
Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.
You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.
Browse dissertations / theses on a wide variety of disciplines and organise your bibliography correctly.
1
Báča, Petr. "RBC model - aplikace na ČR." Master's thesis, Vysoká škola ekonomická v Praze, 2009. http://www.nusl.cz/ntk/nusl-76667.
Full textAbstract:
The diploma thesis deals with the basic Real Business Cycle (RBC) model. RBC theory provides pure supply-side explanation of economic fluctuations. Generaly acknowledged contribution of RBC theory is the fact that the model is developed strictly on microeconomic basis. The thesis consists of two basic parts, theoretical and practical. First, historical background of RBC theory is mentioned. Then the basic RBC model is step-by-step derived and all equations are provided with explanations. In the last theoretical part section RBC theory critisism is discussed. In the practical part the derived basic model is applied to the Czech economy. First certain properties of the Czech business cycles are examined. Then, the basic model is calibrated, simulated and the results are commented.
2
Modebe, Emmanuel Obinna. "Extended Cr-51 RBC combined with Tc-99m RBC for the detection and localisation of occult GIT bleeding." Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/86509.
Full textAbstract:
Thesis (MMed)--Stellenbosch University, 2014.ENGLISH ABSTRACT: Background Occult blood loss from the gastrointestinal tract (GIT), causing iron deficiency often with anaemia, can be diagnostically and therapeutically challenging. This is because the endoscopic and radiologic tests may be negative due to the slow, chronic and intermittent nature of the gastrointestinal bleeding, making timing key in detection and localisation of the bleed. These limitations can be approached using two different radioactive isotopes. Firstly, we tested the sensitivity of extending Cr-51 RBC for 21 days relative to 5 days to detect GIT bleeding and its use to optimise timing of a Tc-99m RBC study for GIT blood loss localisation. Finally, we tested if the information provided by the Tc-99m RBC study aided gastroenterologic intervention for anatomical localisation of a lesion. Method In this retrospective review, after obtaining institutional and ethics committee approval, records of patients referred for evaluation of possible GIT blood loss were reviewed. In each; daily appearance of radiochromium in stool was measured in the whole body counter. In those cases exceeding 50 ml/day, a technetium-99m (Tc-99m) localization study was performed. These studies were correlated with clinical findings. Results A total of 59 Cr-51 RBC studies were carried out in 36 females and 21 males (n = 57). In 32 (54%) the radiochromium results were positive with 75% of the bleeding incidences occurring after 5 days of stool collection. Of 17 cases in whom Tc-99m RBC imaging studies were performed, 14 (82%) were positive with specific anatomical sites successfully defined in twelve. In all patients with blood loss of >100 ml/24h, Tc-99m RBC were positive and localised. Ten of the 17 Tc-99m RBC studies were further investigated and half diagnosed with small-bowel angiodysplasia. Conclusion This sequential twin isotope method is practical in revealing otherwise silent intestinal haemorrhage. Although it has good patient acceptability and clinical as well as diagnostic utility in management, further studies are required to clearly establish a cut-off level of blood loss for performing imaging studies and the impact of the findings on the overall patient management.
AFRIKAANSE OPSOMMING: Agtergrond Die evaluasie van okkulte bloedverlies uit die gastro-intestinale kanaal (GIT), met gevolglike ystertekort anemie, kan diagnosties en terapeuties uitdagend wees. Dit is omdat endoskopiese en radiologiese ondersoeke negatief mag wees as gevolg van die stadige, chroniese en intermitterende aard van die gastro-intestinale bloeding, wat die presiese tydstip van opsporing en lokalisering van die bloeding krities belangrik maak. Hierdie beperkings kan aangespreek word deur twee verskillende radioaktiewe isotope te gebruik. Eerstens is die sensitiwiteit van die verlenging van die Cr-51 RBS studie tot 21 dae in plaas van 5 dae om die GIT bloeding op te spoor, getoets, asook die gebruik daarvan om die optimale tyd vir ‘n Tc-99m RBS studie om die GIT bloedverlies te lokaliseer, vas te stel. Laastens is getoets of die inligting van die Tc-99m RBS studie wel bygedra het tot die gastroenterologiese ingreep om die letsel anatomies te lokaliseer. Metode Na institusionele en etiese komitee toestemming is inligting van pasiënte wat vir die evaluering van ‘n moontlike GI bloedverlies verwys is, in hierdie retrospektiewe oorsig nagegaan. Die daaglikse voorkoms van radioaktiewe chroom in stoelgangmonsters is in ‘n heelliggaamteller gemeet. In gevalle waar dit 50 ml/dag oorskry het, is ‘n tegnesium 99m (Tc 99m) studie gedoen. Hierdie studies is met die kliniese bevindinge gekorreleer. Resultate ‘n Totaal van 59 Cr-51 RBS studies is in 36 vroue en 21 mans (n = 57) gedoen. Die gemerkte chroomstudies was positief in 32 (54%), met 75% van die bloedings wat meer as 5 dae na versameling van die stoelgang plaasgevind het. In veertien (82%) van die 17 gevalle waar Tc-99m RBS studies gedoen is, was die studies positief. Spesifieke anatomiese gebiede van bloeding kon in 12 hiervan suksesvol bevestig word. Tc-99m RBS studies was positief in al die pasiënte met ‘n bloedverlies van >100 ml/24h, en kon gelokaliseer word. Tien van die 17 Tc-99m RBS studies is verder ondersoek en die helfte daarvan gediagnoseer met dunderm angiodisplasie. Gevolgtrekking Die opeenvolgende twee isotoopmetode om andersins asimptomatiese dermbloeding op te spoor, is prakties uitvoerbaar. Alhoewel die studies goed deur pasiënte aanvaar is, en ook van kliniese en diagnostiese waarde in die hantering van die pasiënte is, is verdere studies nodig om die afsnypunt vir die hoeveelheid bloedverlies om beeldingstudies uit te voer, sonder twyfel vas te stel, asook om die impak van die bevindings op ‘n groter pasiëntpopulasie vas te stel.
3
Carneiro, Dias André Eduardo. "Study of RBC shape transitions induced by nanoparticles." Doctoral thesis, Universitat Rovira i Virgili, 2019. http://hdl.handle.net/10803/668080.
Full textAbstract:
Aquesta tesi descriu l'estudi de les propietats del medi extracel·lular sobre la criopreservació de glòbuls vermells i la possible aplicació de nanopartícules de sílice com a co-agents per al lliurament intracel·lular de trehalosa, un crioprotector natural. La primera part de l™estudi es va centrar en les condicions de congelació i descongelació i en les propietats del medi extracel·lular per a la congelació. Es van analitzar diferents propietats segons la seva influència en la taxa de supervivència dels glòbuls vermells, que es va avaluar mitjançant l™assaig d™hemòlisi i es va analitzar l™efecte de la congelació mitjançant anàlisi morfològica d™imatges de glòbuls vermells. La segona part de l'estudi investiga la interacció de nanopartícules de sílice carregades de manera diferent amb els glòbuls vermells per a futures aplicacions com a co-agent per al lliurament de la trehalosa. La toxicitat de les nanopartícules de sílice es va determinar mitjançant un assaig d™hemòlisi i la seva distribució espacial es va estudiar mitjançant l™examen de glòbuls vermells que flotaven lliurement mitjançant microscòpia confocal d™escaneig làser (LSCM). Es va desenvolupar un nou mètode de visualització 3D de gran rendiment i aplicat a les imatges LSCM per tal de corregir la deriva al llarg de la z-stack permetent l'anàlisi de les imatges. Els resultats es van confirmar interactuant les nanopartícules de sílice amb vesícules gegants unilamellars (GUV) com a sistema experimental.Esta tesis describe el estudio de las propiedades del medio extracelular en la crioconservación de los glóbulos rojos y la posible aplicación de nanopartículas de sílice como coagentes para la entrega intracelular de trehalose, un crioprotector natural. La primera parte del estudio se centró en las condiciones de congelación y descongelación, y en las propiedades del medio extracelular para la congelación. Se analizaron diferentes propiedades de acuerdo con su influencia en la tasa de supervivencia de los glóbulos rojos, según se evaluó mediante el ensayo de hemólisis, y se analizó el efecto de la congelación mediante el análisis morfológico de las imágenes de los glóbulos rojos. La segunda parte del estudio investiga la interacción de nanopartículas de sílice, cargadas de manera diferente, con glóbulos rojos para su futura aplicación como coagente para la entrega de trehalose. La toxicidad de la nanopartícula de sílice se determinó mediante un ensayo de hemólisis y su distribución espacial se estudió mediante la obtención de imágenes de los glóbulos rojos que flotan libremente usando microscopía confocal (LSCM). Se desarrolló un nuevo método de visualización 3D de alto rendimiento que se aplicó a las imágenes LSCM para corregir la deriva en toda la pila z permitiendo el análisis de las imágenes. Los resultados se confirmaron mediante la interacción de las nanopartículas de sílice con vesículas unilamelares gigantes (GUV) como un sistema de modelo experimental.
This thesis describes the study of the properties of extracellular medium on the cryopreservation of red blood cells and the potential application of silica nanoparticles as co-agents for the intracellular delivery of trehalose, a natural cryoprotectant. The first part of the study focused on the freezing and thawing conditions, and on the properties of the extracellular medium for freezing. Different properties were analyzed according to their influence on the survival rate of red blood cells as assessed by hemolysis assay and the effect of freezing was analyzed by morphological analysis of images of red blood cells. The second part of the study investigates the interaction of differently charged silica nanoparticles with red blood cells for future application as co-agent for trehalose delivery. Silica nanoparticle toxicity was determined by hemolysis assay and their spatial distribution was studied by imaging freely floating red blood cells using laser scanning confocal microscopy (LSCM). A novel high-throughput 3D visualization method was developed and applied to LSCM images in order to correct the drift throughout the z-stack allowing the analysis of the images. Results were confirmed by interacting the silica nanoparticles with giant unilamellar vesicles (GUV) as an experimental model system.
4
Mendes, William Corrêa. "ARQUITETURA BASEADA EM ONTOLOGIAS DE UM AGENTE RBC." Universidade Federal do Maranhão, 2013. http://tedebc.ufma.br:8080/jspui/handle/tede/506.
Full textAbstract:
Made available in DSpace on 2016-08-17T14:53:25Z (GMT). No. of bitstreams: 1
dissertacao William.pdf: 3403982 bytes, checksum: cac96344d66257744889562ee1b77235 (MD5)
Previous issue date: 2013-11-04Case-Based Reasoning (CBR) is a problem-solving paradigm where it is possible to use knowledge from past experiences to solve new situations. The CBR agent approach that combines agent autonomy with the problem-solving model of CBR has been proven adequate for the development of complex systems. This paper proposes the architecture of a CBR agent whose main differential is the use of ontologies for representing the case base along with all the mechanisms that make up a CBR system. The proposed architecture besides promoting the reuse of the case ontology, unifies the software agent approach with CBR, a typical paradigm of human reasoning. All the CBR mechanisms are present in the proposed architecture: case representation, similarity analysis for cases retrieval, adaptation and cases learning, where the last two mechanisms are still being specified. The architecture was evaluated in the Brazilian Family Law legal domain. For that, a targeted ontology for the representation CBR cases of this area was created. The results obtained in the tests showed good effectiveness in retrieving similar cases and showing the feasibility of the architecture using the semantic model of similarity for retrieval of CBR cases.
O Raciocínio Baseado em Casos (RBC) é um paradigma de resolução de problemas no qual é possível utilizar conhecimentos de experiências passadas para resolver novas situações. A abordagem de agentes RBC que combina a autonomia dos agentes e o modelo de resolução de problemas do RBC tem se mostrado adequada para o desenvolvimento de sistemas complexos. Este trabalho propõe a arquitetura de um agente RBC cujo principal diferencial é utilizar ontologias para representar a base de casos junto com todos os mecanismos que compõem um sistema RBC. A arquitetura proposta, além de promover o reúso da ontologia de representação dos casos, unifica as abordagens de agentes de software e RBC, um paradigma de raciocínio típico dos seres humanos. Estão presentes na arquitetura os mecanismos de representação dos casos, análise de similaridade para recuperação de casos, adaptação e aprendizado de casos, estes dois últimos ainda em fase de especificação. A arquitetura foi avaliada no domínio jurídico do Direito de Família brasileiro, sendo que para isso foi criada uma ontologia, representando casos RBC nesta área. Os resultados obtidos nos testes realizados demonstraram uma boa efetividade na recuperação de casos similares e a consequente viabilidade do uso da arquitetura com o modelo de similaridade semântico utilizado para recuperação de casos RBC.
5
Beppler, Fabiano Duarte. "Emprego de RBC para recuperação inteligente de informações." Florianópolis, SC, 2002. http://repositorio.ufsc.br/xmlui/handle/123456789/82898.
Full textAbstract:
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia de Produção.Made available in DSpace on 2012-10-19T19:18:05Z (GMT). No. of bitstreams: 1 189259.pdf: 2369619 bytes, checksum: 6081c39e99c22484b1465b896722ff2a (MD5)
A dimensão do volume de informações disponíveis na Internet e as taxas diárias de crescimento tornam cada vez mais presentes mecanismos eficientes e eficazes de recuperação de informações. A maioria dos métodos pesquisados e aplicados tem por base o tratamento das informações disponíveis nos repositórios associados aos sites. Nesta abordagem, um elemento de conhecimento é normalmente negligenciado: a memória das interações efetuadas pelos usuários que utilizaram o site previamente a um usuário atual. A construção desta memória viabiliza o emprego de interações de busca do passado na apresentação de informações desejadas no momento das consultas. A presente dissertação propõe a construção da memória das buscas aos sites na forma de casos de consulta e a aplicação de Raciocínio Baseado em Casos para utilização destas interações passadas como subsídio em novos processos de consulta. O método proposto deu origem à ferramenta RBNet. Para demonstração de sua viabilidade, RBNet foi aplicada ao site de busca do "Diretório dos Grupos de Pesquisa no Brasil", projeto do Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq). RBNet permite que usuários interessados em grupos de pesquisa possam encontrar rapidamente o que desejam, quando se valem das interações semelhantes registradas na base de casos do RBNet.
6
Morrow, Carl. "Phylogenetic investigations of the African Restionaceae using rbc." Thesis, University of Cape Town, 2017. http://hdl.handle.net/11427/26316.
Full text
7
Almeida, Sara Cristina Cantarino Valente de. "An RBC model with a rich fiscal sector." Master's thesis, NSBE - UNL, 2013. http://hdl.handle.net/10362/9698.
Full textAbstract:
A Work Project, presented as part of the requirements for the Award of a Masters Degree in Economics from the NOVA – School of Business and EconomicsContributing to the general understanding of fiscal policy e ectiveness, this study consists in the reformulation and estimation of the DSGE model developed in Azevedo and Ercolani (2012), to measure the potential relations between the private sector and the consumption and investment components of government expenditures. The estimation results show that public consumption and capital have both a substitutability e ect on private factors. For the study of the dynamic e ects, the model is augmented with strict fiscal rules, whose imposition creates a "crowding-out" e ect of the simulated fiscal policy shocks on government consumption and investment.
8
Tapon, Njamo Julien Serge. "Olive wastewater bioremediation using a rotating biological contactor (RBC)." Thesis, Cape Peninsula University of Technology, 2012. http://hdl.handle.net/20.500.11838/2023.
Full textAbstract:
Thesis (MTech (Food Technology))--Cape Peninsula University of Technology, 2012.The expansion of the South African olive processing industry has brought an increased threat to the environment. More production activities lead to more wastewater generation that requires more costly treatment. Regulatory bodies concerned with the release of effluents into the environment are imposing evermore-restrictive guidelines. With this information in mind, the South African olive industry is facing a significant challenge of maintaining economic competitiveness while becoming more environmentally benign. To begin addressing this challenge, the olive processing industry must develop and implement new, more effective, tailored treatment technologies to remediate olive wastewater prior to its release into the environment. In this study, the use of indigenous olive wastewater biofilms in combination with a rotating biological contactor (RBC) was investigated for possible bioremediation purposes. The development of microbial biofilms resulted in the breakdown of the hazardous chemical compounds present in the olive wastewater, i.e. reducing the chemical oxygen demand (COD) and polyphenol content. Results showed that indigenous microorganisms within table olive and olive mill wastewater have a strong tendency to form biofilms. Furthermore, when these biofilms are applied to a small-scale RBC system, significant lower levels of both COD (on average 55% for table olive wastewater (TOWW) and 46% for olive mill wastewater (OMWW) and total phenol (on average 51% for TOWW and 39% for OMWW) were obtained. Results from shocking the biofilms with chemicals routinely used during olive processing indicates that most have a negative effect on the biofilm population, but that the biofilms are able to survive and recover in a relatively short time. This study confirms the potential application of indigenous biofilms found in olive wastewater streams for future bioremediation technologies that form the basis for the development of an eco-friendly, easy-to-manage, low cost technologies specifically designed for the small South African olive processing industry.
9
Simm, Robert. "Enhanced biological phosphorus removal using a sequencing batch RBC." Thesis, University of British Columbia, 1988. http://hdl.handle.net/2429/28517.
Full textAbstract:
The objective of the research program was to demonstrate the technical feasibility of removing phosphorus, by the enhanced biological phosphorus removal mechanism, from domestic wastewater using a laboratory scale Sequencing Batch Rotating Biological Contactor (SBRBC). The rotating discs of the RBC were subjected to alternating anaerobic/aerobic conditions by varying the water level in the reaction vessel. At the start of the treatment cycle, the RBC reactor would be filled submerging the rotating discs and ensuring anaerobic conditions in the RBC biofilm. Acetate would be added to the reaction vessel at this time. Following the batch anaerobic react period part of the reactor contents were decanted to either the sewage feed tank or a separate holding vessel to later become part of the influent for the next treatment cycle. With the rotating: discs of the-RBC partially submerged oxygen was available to the bacteria, in the RBC biofilm.
Three operating schedules were tried with the above process. Each operating schedule
differed in the way the decanted wastewater from the anaerobic phase was handled.
Batch tests were conducted weekly to determine the nature of the biological reactions
taking place in each of the batch anaerobic and aerobic phases.
The SBRBC process showed promise for enhanced biological phosphorus removal from domestic wastewater. Carbon removal and nitrification of the wastewater were secondary benefits to this process. The success of the process was found to be dependent on the attainment of proper anaerobic conditions at the start of each treatment cycle.Applied Science, Faculty of
Civil Engineering, Department of
Graduate
10
Peredriy, Sergiy Black Stanley W. "Endogenous credit market incompleteness RBC approach to emerging markets crises /." Chapel Hill, N.C. : University of North Carolina at Chapel Hill, 2008. http://dc.lib.unc.edu/u?/etd,1921.
Full textAbstract:
Thesis (Ph. D.)--University of North Carolina at Chapel Hill, 2008.Title from electronic title page (viewed Dec. 11, 2008). "... in partial fulfillment of the requirements for the degree of Doctor of Philosophy in the Department of Economics." Discipline: Economics; Department/School: Economics.
11
Moghabghab, Rania Hounir. "External surface and porosity of RBC biofilms in leachate pre-treatment." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp04/mq28835.pdf.
Full text
12
Peddie, Craig Cameron. "RBC treatment of a municipal landfill leachate : a pilot scale evaluation." Thesis, University of British Columbia, 1986. http://hdl.handle.net/2429/26319.
Full textAbstract:
This study evaluated the on-site treatment of a moderately low strength municipal landfill leachate with a Rotating Biological Contactor (RBC), at pilot scale (0.9 m dia.). The leachate generally had COD and NH₃-N concentrations of less than 1000 mg/L and 50 mg/L respectively. A high treatment efficiency for both carbon removal and nitrification was achieved despite variable and intermittent loading conditions. The effluent filtrable BOD₅ was generally less than 10 mg/L and the effluent NH₃-N concentration was usually less than 1.0 mg/L. This effluent quality was achieved at mass loading levels comparable to those for sewage treatment (10.0 g BOD₅/m²*d for carbon removal and 0.8 g NH₃-N/m²*d for nitrification). The results demonstrated that long hydraulic retention times (HRT >4 hrs.) can offset the effects of lower temperatures. Nitrification efficiency in particular was shown to be HRT dependent. Limited heavy metal data indicated that heavy metals were removed at efficiencies and relative affinities comparable to those observed in activated sludge studies. An aside to this study showed that trace organics, some of which are on the EPA priority pollutant list, were present in this leachate and were effectively removed during passage through the RBC.Applied Science, Faculty of
Civil Engineering, Department of
Graduate
13
Waddington, Gary. "Biedermans Recognition by Components (RBC) theory of human object recognition - an investigation." Thesis, University of Reading, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.301971.
Full text
14
Royes, Gleiber Fernandes. "Plataforma híbrida Fuzzy-Multicritério-RBC para o apoio à análise de políticas." Florianópolis, SC, 2003. http://repositorio.ufsc.br/xmlui/handle/123456789/84953.
Full textAbstract:
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Ciência da Computação.Made available in DSpace on 2012-10-20T14:01:27Z (GMT). No. of bitstreams: 1 193852.pdf: 2312973 bytes, checksum: dca4abbcf0d79a1000e03e9eafcef809 (MD5)
A avaliação de cenários realizada por especialistas humanos envolve critérios cujos valores são vagos e definidos de forma imprecisa. Para exemplificar, dentro de um cenário de política de contratação de funcionários, um critério para a análise sobre a capacidade de liderança dos candidatos certamente aplicaria valores lingüísticos vagos como Grande ou Pouca para representar, de forma natural, o desempenho de cada concorrente. O especialista humano pondera e agrega os diversos critérios subjetivos de análise para chegar a uma conclusão consistente. Este trabalho propõe uma abordagem de apoio ao processo de análise de políticas através da reunião de três metodologias básicas. O objetivo principal é estabelecer um método de auxílio diferenciado que permita a direta representação e avaliação dos critérios vagos de um problema. A arquitetura híbrida Difusa - Multicritério - Raciocínio Baseado em Casos sugere uma forma integrada de tratamento do conhecimento: Conjuntos Difusos - para a representação e manipulação do conhecimento vago; Multicritério - para a agregação do conhecimento vago e avaliação do cenário e RBC - para a recuperação deste conhecimento e aperfeiçoamento do aparato de apoio. A proposta de auxílio não se limita apenas à indicação de um melhor caminho dentre as opções disponíveis, mas sim abrange mecanismos para a simulação e exploração do cenário apresentado. Um sistema protótipo mostra, através de alguns casos implementados, que a metodologia de auxílio pode ser útil como uma das ferramentas de análise de políticas. Além disto, a cooperação entre as metodologias Difusa - Multicritério - RBC expõe uma forma distinta e promissora de lidar com o conhecimento através da máquina que merece um aprofundamento posterior por intermédio de novas pesquisas.
15
Braga, Júnior Mário de Sena. "Proposta de modelo RBC para a recuperação inteligente de jurisprudência na Justiça Federal." Florianópolis, SC, 2001. http://repositorio.ufsc.br/xmlui/handle/123456789/81567.
Full textAbstract:
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia de Produção.Made available in DSpace on 2012-10-19T05:34:14Z (GMT). No. of bitstreams: 0Bitstream added on 2014-09-26T00:39:40Z : No. of bitstreams: 1 187563.pdf: 2856730 bytes, checksum: 1131d417c11e9966134ff6da65b258c9 (MD5)
16
Mattos, Eduardo da Silva. "RBC-TEXT - modelo para tratamento de documentos textuais e validação no domínio jurídico." Florianópolis, SC, 2002. http://repositorio.ufsc.br/xmlui/handle/123456789/83680.
Full textAbstract:
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia de Produção.Made available in DSpace on 2012-10-20T02:19:43Z (GMT). No. of bitstreams: 0
O escopo deste trabalho está delimitado à aplicação da tecnologia de RBC na recuperação de informações constantes em documentos não estruturados. Para que esta recuperação seja possível, apresenta-se um modelo para a extração do conhecimento contido nos documentos. O propósito do modelo será o de considerar documentos textuais que apresentem as seguintes características: · base tecnológica no raciocínio analógico; · vocabulário e regras de domínio próprio; · casos descritos na forma textual, mas com normatização de formação. A validação do modelo será realizada através da sua aplicação no domínio do Direito, mais precisamente nos documentos legais, acórdãos, que descrevem as decisões do Tribunal de Justiça do Estado de Santa Catarina (TJSC), uma vez que estes preenchem o requisitos supracitados.
17
Blackwood, Alison Mary. "Renal and cellular calcium handling in essential hypertension." Thesis, St George's, University of London, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.369054.
Full text
18
Krokos, Evangelos. "Centralized Vehicle License Management on ERTMS : Key Database and Communication between Server and RBC." Thesis, KTH, Skolan för elektro- och systemteknik (EES), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-197724.
Full textAbstract:
Today’s rail industry is under great demand. People will use trains even more in the future. Rail industry has to develop and integrate new systems towards a secure transportation system. One of these steps is investigated in this master thesis. Until now, many sensitive and vital data were transferred by using old methods like USB storage devices. In this master thesis, a new and secure way to store authentication keys in a central database is described as well as a secure way of communication between this database and the RBC entities. Different technologies are used and have as result the proposed goal. The creation of a database with PHP and the implementation of a server-client communication using TLS and HTTPS are described in this project. Improvements and future development of the project are discussed at the end.Det råder hög efterfrågan på dagens järnvägsindustri. I framtiden kommer ännu fler människor åka med tåg. Järnvägsindustrin måste utvecklas och skapa nya system för att uppnå säkra transportsystem. I denna avhandling kommer detta behandlas. Fram till idag har många känsliga och viktiga data överförts med gamla metoder såsom USB-stickor. I denna masteravhandling beskrivs ett säkert sätt att lagra autentiseringsnycklar i en central databas och även ett säkert sätt att kommunicera mellan denna databas och RBC-enheterna. Olika tekniker har använts med det uppsatta målet som resultat. Upprättandet av en PHP-databas och klient-serverkommunikation med TLS och HTTPS beskrivs i detta projekt. Förbättringar och framtida utveckling av projektet diskuteras i slutet.
19
DEVARAKONDA, SURENDRA BALAJI. "BIOPARTICLE SEPARATION IN NON-NEWTONIAN FLUID USING PULSED FLOW IN MICRO-CHANNELS." University of Cincinnati / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1155322288.
Full text
20
Garcia, Soria Ana Laura. "Evaluacion del potencial hemolitica y fotohemolitica de los organofosforados empleando meteodos alternativos." Tesis de Licenciatura, Universidad Autónoma del Estado de México, 2021. http://hdl.handle.net/20.500.11799/112071.
Full text
21
Ji, Inyeob Economics Australian School of Business UNSW. "Essays on testing some predictions of RBC models and the stationarity of real interest rates." Publisher:University of New South Wales. Economics, 2008. http://handle.unsw.edu.au/1959.4/41441.
Full textAbstract:
This dissertation contains a series of essays that provide empirical evidence for Australia on some fundamental predictions of real business cycle models and on the convergence and persistence of real interest rates. Chapter 1 provides a brief introduction to the issues examined in each chapter and provides an overview of the methodologies that are used. Tests of various basic predictions of standard real business cycle models for Australia are presented in Chapters 2, 3 and 4. Chapter 2 considers the question of great ratios for Australia. These are ratios of macroeconomic variables that are predicted by standard models to be stationary in the steady state. Using time series econometric techniques (unit root tests and cointegration tests) Australia great ratios are examined. In Chapter 3 a more restrictive implication of real business cycle models than the existence of great ratios is considered. Following the methodology proposed by Canova, Finn and Pagan (1994) the equilibrium decision rules for some standard real business cycle are tested on Australian data. The final essay on this topic is presented in Chapter 4. In this chapter a large-country, small-country is used to try and understand the reason for the sharp rise in Australia??s share of world output that began around 1990. Chapter 5 discusses real interest rate linkages in the Pacific Basin region. Vector autoregressive models and bootstrap methods are adopted to study financial linkages between East Asian markets, Japan and US. Given the apparent non-stationarity of real interest rates a related issue is examined in Chapter 6, viz. the persistence of international real interest rates and estimation of their half-life. Half-life is selected as a means of measuring persistence of real rates. Bootstrap methods are employed to overcome small sample issues in the estimation and a non-standard statistical inference methodology (Highest Density Regions) is adopted. Chapter 7 reapplies the High Density Regions methodology and bootstrap half-life estimation to the data used in Chapters 2 and 5. This provides a robustness check on the results of standard unit root tests that were applied to the data in those chapters. Main findings of the thesis are as follows. The long run implications of real business cycle models are largely rejected by the Australia data. This finding holds for both the existence of great ratios and when the explicit decision rules are employed. When the small open economy features of the Australian economy are incorporated in a two country RBC model, a country-specific productivity boom seems to provide a possible explanation for the rise in Australia??s share of world output. The essays that examine real interest rates suggest the following results. Following the East Asian financial crisis in 1997-98 there appears to have been a decline in the importance of Japan in influencing developments in the Pacific Basin region. In addition there is evidence that following the crisis Korea??s financial market became less insular and more integrated with the US. Finally results obtained from the half-life estimators suggest that despite the usual findings from unit root tests, real interest rates may in fact exhibit mean-reversion.
22
Echaroj, S. "Process evaluation and mathematical modelling of the anaerobic rotating biological contactors (RBC) process for wastewater treatment." Thesis, University of Newcastle Upon Tyne, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.375138.
Full text
23
Feng, Luming. "PRACTICAL APPROACHES TO COMPLEX ROLE ASSIGNMENT PROBLEMS IN ROLE-BASED COLLABORATION." Thesis, Laurentian University of Sudbury, 2013. https://zone.biblio.laurentian.ca/dspace/handle/10219/2105.
Full textAbstract:
Group role assignment (GRA) is an important task in Role-Based Collaboration (RBC). The complexity of group role assignment becomes very high as the constraints are introduced. According to recent studies, considerable efforts have been put towards research on complex group role assignment problems. Some of these problems are clearly defined and initial solutions are proposed. However some of these solutions were unable to guarantee an optimal result, or the time complexity is very high. In fact, many real world collaboration problems concern many types of constraints. Therefore, to make them practical, the accuracy and efficiency of the algorithms should be improved.
Role is the center of a role-based collaboration mechanism. Role plays a very essential part in the whole process of a collaboration system, without the roles, there would be no collaboration. One important function of the role is that it defines the features or requirements of a position which can be used to filter or access the candidates. The definition of roles greatly influences the evaluation results of candidates, which in turn influence the RBC algorithms significantly. Based on previous research, the role-based evaluation is associated with multiple attribute decision making (MADM). Role-based evaluation methods can be adopted from MADM methods. Selecting an appropriate method for a specific problem is difficult and domain oriented. Therefore, a dynamic evaluation model which can be expanded by domain experts and adapted to many cases is required. At present, there is limited research related to this requirement.
This thesis first focuses on two complex role-based collaboration problems. The first being group role assignment problems with constraints of conflicting agents, and the
iv
second an agent training problem for a sustainable group. Practical solutions to these problems are proposed and resolved by IBM ILOG CPLEX. Simulations are conducted to demonstrate the performance of these solutions. From which I compare the solutions’ performances with the initial solutions, and indicate the improvement of these proposed solutions. Secondly, this thesis clarifies the difficulties of connecting evaluation methods with real world requirements. In order to overcome these difficulties, I introduce an additional parameter, propose a dynamic evaluation model, and provide four synthesis methods to facilitate the requirements of a co-operation project which is funded by NSERC (Natural Sciences and Engineering Research Council of Canada).
The contributions of this thesis includes: clarifying the complexity of two complex role-based collaboration problem; proposing a better solution and verifying its efficiency and practicability; discussing the difficulties of connecting evaluation methods with real world problems; introducing an additional parameter to improve the accuracy of evaluation to some problems; proposing a role-based evaluation model to meet the requirements of adaptive and expandable.
24
Brannen, Donald E. "Comparison of Selected Clinical Laboratory Tests on Adult Participants of the Fernald Medical Monitoring Program (FMMP), from the First Medical Examination from 1991 to 1994, Using the Third National Health and Nutrition Examination Survey (NHANES III) co." University of Cincinnati / OhioLINK, 2000. http://rave.ohiolink.edu/etdc/view?acc_num=ucin976116589.
Full text
25
Rymut, Susan M. "Association of Dietary Intake and RBC Biomarkers of Omega-3 PUFAs with Psychological Wellbeing Among Homeless Youth." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1574789863984722.
Full text
26
Braga, António Maria Tavares Pires e. Couceiro. "Estudo de viabilidade técnico-económica da criação de uma nova exploração agropecuária no Concelho de Avis." Master's thesis, ISA/UL, 2018. http://hdl.handle.net/10400.5/17904.
Full textAbstract:
Mestrado em Engenharia Agronómica - Instituto Superior de AgronomiaO relatório desenvolvido ao longo deste trabalho tem como interesse fundamental a análise técnico-económica da criação de uma nova exploração agropecuária composta por 45 cabeças de bovinos e com a área de 120 hectares no concelho de Avis e que tem por base um projeto de jovem agricultor candidato ao PDR2020. Para tal, fez-se uma análise comparativa entre os valores constantes no projeto e os alcançados neste estudo. Tratando-se da constituição de uma nova empresa examinou-se o atual cenário macroeconómico do sector agrícola como forma de contextualizar a economia como um todo, isto é, como forma de concluir a agilidade com que atualmente trabalha o sector agrícola em Portugal. Selecionou-se a raça Mertolenga para a linha mãe e o Macho reprodutor de raça Limousine com vista a alcançar um cruzamento F1 que combine a capacidade leiteira das vacas com a grande aptidão de carne do touro na obtenção de um vitelo por vaca e por ano, que ao desmane, entre os 6 e os 8 meses de idade, atinja um peso médio de 180 quilos. Estima-se que com a instalação de prados permanentes de sequeiro, conjuntamente com as pastagens naturais espontâneas e as misturas forrageiras anuais, sejam disponibilizadas, anualmente, 147.127,6 UF. Quanto às necessidades energéticas do efetivo, a estimativa aponta para 2.936,01 UF por cada unidade pecuária, o que permitirá um dimensionamento do efetivo composto por 50 vacas, 1 Touro e 44 crias até 10 meses. Por fim, fez-se uma análise concreta dos investimentos previstos tendo em conta a aquisição do efetivo, máquinas e alfaias, infraestruturas de armazenamento, cercas e currais de maneio do gado e plantações das misturas forrageiras anuais e pastagens permanentes, para os quais se encontrou o valor global de 195.000.76,00€. Quanto às receitas, contabilizando vendas de animais, subsídios, prémios e ajudas compensatórias, obtém-se, a partir do ano cruzeiro, um montante anual de 54.127,42€, que depois de deduzidos os custos anuais de exploração de 18.166,14€, permitem obter benefícios líquidos da ordem dos 35.961,28€. Como consequência, estima-se um valor de cashflow atualizado da ordem dos 142.291,94€. Assim, o estudo de viabilidade, considerando um período de vida útil dos investimentos de 14 anos, permitiu estimar um VAL de 142.291,94€, uma TIR de 15,74%, um PRC de 7 anos e um RBC de 1,73, o que aponta para a viabilidade técnico-económica do projeto
N/A
27
Cotrina, Ramos José Carlos, and Quineche Daniel Vera. "Razonamiento basado en casos (RBC) para toma de decisiones en proyectos de implementación de sistemas ERP utilizando jColibri." Bachelor's thesis, Universidad Nacional Mayor de San Marcos, 2009. https://hdl.handle.net/20.500.12672/14832.
Full textAbstract:
Propone un Modelo de Razonamiento Basado en Casos (RBC) que permita contar con información oportuna, ágil y confiable para la gestión del conocimiento y la toma de decisiones en proyectos de Implementación de Sistemas ERP. Para realizar el presente trabajo se utilizará la herramienta jColibri la cual es un armazón o Framework orientado a objetos que facilita la construcción de sistemas de razonamiento basado en casos (RBC). La implementación del modelo incrementa la calidad de la información y reduce los tiempos utilizados en solucionar los problemas de toma de decisiones de estos proyectos.Trabajo de suficiencia profesional
28
Coyle, Danielle R. "High Fat Diet Effects on Erythrophagocytosis and MCP-1 Levels in Mice." University of Cincinnati / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1353342118.
Full text
29
Ramírez, Espinoza Jesica Ivonne. "Evaluación económica para el establecimiento de una engorda de bovinos en corral en el sur del Estado de México." Tesis de Licenciatura, Universidad Autónoma del Estado de México, 2018. http://hdl.handle.net/20.500.11799/94304.
Full textAbstract:
La evaluación de proyectos es una alternativa viable que reduce el riesgo de una inversión. El objetivo de este trabajo fue evaluar una propuesta de inversión, sin endeudamiento con terceros, para una engorda de bovinos en corral, en una región del sur del Estado de México en 2017, a través de la metodología de formulación y evaluación de proyectos bajo certidumbre. Los resultados indicaron la existencia de viabilidad comercial, técnica y financiera. Durante un horizonte de cinco años y una tasa de rentabilidad mínima aceptable de 12%, el proyecto se paga y genera un VAN de $279,398, una TIR de 18.20% y una TIRM (Tasa Interna de Retorno Modificada) de 16.60%. La inversión se recupera en 4.70 años. Se concluye que con el valor de los indicadores de rentabilidad, el proyecto es rentable, tiene cierto riesgo de incurrir en pérdidas, sin embargo se sugiere tomar la decisión de inversión.
30
Lagemann, Gerson Volney. "RBC para o problema de suporte ao cliente nas empresas de prestação de serviço de software :: o caso Datasul /." Florianópolis, SC, 1998. http://repositorio.ufsc.br/xmlui/handle/123456789/77875.
Full textAbstract:
Dissertação (Mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico.Made available in DSpace on 2012-10-17T08:18:34Z (GMT). No. of bitstreams: 0Bitstream added on 2016-01-08T23:59:27Z : No. of bitstreams: 1 147120.pdf: 3193617 bytes, checksum: 0783a524d3ddff7a77cfab976b79f4e9 (MD5)
31
Branch, Traci L. "Pattern and distribution of RNA editing in land plant rbcL and nad5 transcripts." University of Akron / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=akron1163792182.
Full text
32
Bezerra, Glauber de Tarso Vieira. "Um processo para a gestão de incidentes, apoiado por RBC e PLN e aderente ao CMMI para serviços (CMMI-SVC)." Universidade de Fortaleza, 2014. http://dspace.unifor.br/handle/tede/92617.
Full textAbstract:
Made available in DSpace on 2019-03-29T23:42:41Z (GMT). No. of bitstreams: 0
Previous issue date: 2014-05-20IT Governance aims to help improve the planning and execution of services, reducing problems during the execution of tasks and raising the level of maturity of the company. Given the many problems presented in the areas of IT, particularly with regard to the availability of services , will be presented in this paper a process to address the prevention and resolution of incidents adhering to CMMI for Services ( CMMI - SVC ) , which seeks to treat, prevent and resolve incidents in the IT field . The proposed approach is supported by artificial intelligence techniques: Case Based Reasoning and Natural Language Processing. These techniques are used in activity recovery of similar incidents in a knowledge base. The main objective is to demonstrate that the use of these techniques, together with a process of prevention and resolution of incidents, presents satisfactory with regard to the resolution time of incidents results. In addition, a design approach for the use of RBC and PLN is defined in a database. To assess the approach and the proposed method, a case study was conducted in a company. Keywords: Process. Case-based reasoning.Natural language processing.Knowledge base.Reuse experiences. Incident management
A Governança de TI tem como objetivo ajudar a melhorar o planejamento e execução dos serviços, diminuindo os problemas durante a execução das tarefas e elevando o nível de maturidade da empresa. Diante dos diversos problemas apresentados nas áreas de TI, principalmente no que diz respeito à disponibilidade de serviços, será apresentado neste trabalho um processo para tratar da Prevenção e Resolução de Incidentes aderente ao CMMI para Serviços (CMMI-SVC), que busca tratar, prevenir e solucionar incidentes na área de TI. A abordagem proposta é apoiada pelas técnicas de Inteligência Artificial: Raciocínio Baseado em Casos e Processamento de Linguagem Natural. Estas técnicas são utilizadas na atividade de recuperação de incidentes similares em uma base de conhecimento. O objetivo principal é demonstrar que a utilização destas técnicas, em conjunto com um processo de prevenção e resolução de incidentes, apresenta resultados satisfatórios no que diz respeito ao tempo de resolução dos incidentes. Além disso, foi definida uma abordagem de Planejamento para utilização de RBC e PLN em uma base de dados. Para avaliar a abordagem e o processo proposto, foi realizado um estudo de caso em uma empresa. Palavras-chave: Processo. Raciocínio baseado em casos. Processamento de linguagem natural. Base de conhecimento. Reuso de experiências.Gerenciamento de incidentes.
33
Schwerz, Bervey. "AVALIAÇÃO DE UM REATOR BIOLÓGIGO ROTATIVO DE CONTATO (RBC) APLICADO AO TRATAMENTO DE EFLUENTE DE UM ABATEDOURO DE SUÍNOS E AVES." Universidade Federal de Santa Maria, 2012. http://repositorio.ufsm.br/handle/1/7971.
Full textAbstract:
With the expansion of industrial society, began a intense growth of production
of waste, creating a latent issue, referring to allocate up correctly all waste generated
during the manufacturing process. Specifically, the meat processing generates during
its many stages a huge flow of wastewater. An alternative for the treatment of this
type of waste are rotating biological contactors. This paper, has for objective, at the
construction and application of a RBC to improve performance in the treatment of an
industrial effluent from the slaughterhouse of pigs and poultry. It was built a reactor
4L and aerobic sludge was used as inoculum system. The analysis period amounted
to 73 days. As results were obtained an efficiency of 84.46% with a removal 1.64 g
DBO.m-2 and 88.3% for an HRT of 4 h and surface loading of 124 g DQO.d-1.m-2 for
BOD and COD respectively, corresponding to organic matter. On removal of
nutrients, the system obtained in an efficiency of 92.02% and a surface charge
removed from 8.35 g Nd-1m-2 for nitrogen and 75.66% efficiency and removal of
superficial 1.5 g Pd-1.m-2, for analysis of phosphorus. In summary, the RBC could
efficiently treat an effluent to obtain satisfactory results in removing the organic load
and nutrients.Com a expansão da sociedade industrial, se iniciou uma geração de resíduos de forma intensa, surgindo uma questão latente, referente a destinar-se corretamente todos os resíduos gerados durante o processo industrial. Mais especificamente, o processamento de carne gera durante suas inúmeras etapas uma enorme vazão de efluentes líquidos. Uma alternativa para o tratamento deste tipo de resíduo são os reatores de biodiscos. Este trabalho tem por objetivo a construção e aplicação de um RBC para avaliar seu desempenho no tratamento de um efluente industrial proveniente do abate de suínos e aves. Foi construído um reator de 4L e utilizado lodo aeróbio como inóculo do sistema. O período de análise correspondeu a 73 dias. Como resultados foram obtidos uma eficiência de 84,46% com uma remoção de 1,64 g DBOm-2 e 88,3%, para um TRH de 4 h e carregamento superficial de 124 g DQOd-1m-2, para DBO e DQO respectivamente, correspondendo a matéria orgânica. Na remoção de nutrientes, o sistema obteve um rendimento de 92,02% e uma carga superficial removida de 8,35 g Nd-1m-2 para o nitrogênio e a eficiência de 75,66% e a remoção superficial é de 1,5 g Pd-1m-2, para as análises de fósforo total. Em resumo, o RBC conseguiu tratar de forma eficiente um efluente de forma a obter resultados satisfatórios na remoção da carga orgânica e nutrientes.
34
Gafurzade, Elchin. "Development of an automation tool for data configuration of signaling systems." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020.
Find full textAbstract:
This thesis work, which was realized at ALSTOM S. p. A., focuses on the communication between trackside equipment and the train, which is performed via various protocols to have information in advance about the state of the railway. The object is developing, after a careful analysis of the communication system, the software for the configuration parameters of the database files.
Chapter 1, after a brief review of the European regulatory environment in railroad, explains the European Railway Traffic Management System (ERTMS), the European Train Control System (ETCS), and the radio-based telecommunications standard used (GSM-R).
Chapter 2 outlines the software and hardware architecture of Radio Block Center (RBC), in concordance with the specifications furnished by the European Railway Agency (ERA). Furthermore, it provides descriptions of the utilized peripheral interfaces.
Finally, chapter 3, which is the core of the thesis work, illustrates an algorithm and software solution for data configuration implemented in Python. Moreover, it examines the structure of parameters, conversion rules, and data types.
35
Khamseh, Ava. "Lattice phenomenology of heavy quarks using dynamical fermions." Thesis, University of Edinburgh, 2017. http://hdl.handle.net/1842/28855.
Full textAbstract:
The Standard Model of particle physics is believed to be only the low energy limit of a more fundamental theory. In order to determine its range of validity, a major part of theoretical and experimental efforts in physics is dedicated to precision tests of the Standard Model. Lattice QCD is a non-perturbative, first-principles approach to Quantum Field Theory. It plays an important role in flavor physics by providing calculations of non-perturbative strong interaction contributions to weak processes involving quarks. Measurements of hadronic quantities can be used to constrain the Standard Model as well as theories Beyond the Standard Model. The first part of this thesis contains theoretical developments regarding non-perturbative renormalization. A new renormalization scheme, RI/mSMOM, for fermion bilinear operators in QCD at non-vanishing quark mass is presented. In order to investigate the properties of the mSMOM scheme, an explicit one-loop computation in perturbation theory using dimensional regularization is performed. Numerically, vertex functions are generated on the lattice, with an appropriate projector, based on the RI/SMOM scheme and the renormalization factors are extracted. Quantities measured include renormalization of the axial current ZA, required to renormalize the axial current entering the computation of the decay constant and the renormalization of the bag parameter. The second part of this report focuses on flavor physics phenomenology on the lattice. It presents results of the first run of the RBC/UKQCD charm project with (2+1)-flavor Domain Wall fermions. Observables and matrix elements are measured on lattices with Iwasaki gauge action. There are two ensembles at the physical point with inverse lattice spacings 1.73 and 2.36 GeV and a third finer ensemble at 2.76 GeV as well as four other auxiliary ensembles with smaller volumes and heavier pion masses which are used to perform the continuum extrapolations. The quantities measured in the region of the charm quark mass are meson masses, decay constants, the matrix element of the OV V +AA operator, the neutral D-meson mixing parameter B and the SU(3) breaking ratio ξ.
36
Fonseca, Julia Fernandes Araújo da. "Aggregate uncertainty, disappointment aversion and the business cycle." reponame:Repositório Institucional do FGV, 2013. http://hdl.handle.net/10438/10940.
Full textAbstract:
Submitted by Júlia Fonseca (julia.f.fonseca@gmail.com) on 2013-06-24T17:08:45Z
No. of bitstreams: 1
Julia Fonseca.pdf: 901363 bytes, checksum: 4df97de4c5783eb1e3f3acea7c9e8e25 (MD5)Approved for entry into archive by Marcia Bacha (marcia.bacha@fgv.br) on 2013-06-27T12:57:48Z (GMT) No. of bitstreams: 1 Julia Fonseca.pdf: 901363 bytes, checksum: 4df97de4c5783eb1e3f3acea7c9e8e25 (MD5)
Made available in DSpace on 2013-06-27T12:58:06Z (GMT). No. of bitstreams: 1 Julia Fonseca.pdf: 901363 bytes, checksum: 4df97de4c5783eb1e3f3acea7c9e8e25 (MD5) Previous issue date: 2013-06-17
We investigate the eff ect of aggregate uncertainty shocks on real variables. More speci fically, we introduce a shock in the volatility of productivity in an RBC model with long-run volatility risk and preferences that exhibit generalised disappointment aversion. We find that, when combined with a negative productivity shock, a volatility shock leads to further decline in real variables, such as output, consumption, hours worked and investment. For instance, out of the 2% decrease in output as a result of both shocks, we attribute 0.25% to the e ffect of an increase in volatility. We also fi nd that this e ffect is the same as the one obtained in a model with Epstein-Zin- Weil preferences, but higher than that of a model with expected utility. Moreover, GDA preferences yield superior asset pricing results, when compared to both Epstein-Zin-Weil preferences and expected utility.
37
Han, Tian. "Flow cell separation in fluctuating g-field." Thesis, Brunel University, 2015. http://bura.brunel.ac.uk/handle/2438/11105.
Full textAbstract:
Field flow fractionation of particles in rotating coiled column has been investigated in recent year. In contrast to the classical mode of field flow fractionation in narrow channels, the use of rotating coiled columns offers the possibility of large sample loading. In this thesis, the potential for new cell separation methods based on the use of flow fractionation in fluctuating g-fields generated in rotating coil columns is examined. The effects of operational conditions (flow rate and rotational speed – Chapter 3 and Chapter 5); cell properties (cell flexibility – Chapter 4); and column shapes (different inner diameters and coil geometries – Chapter 6) on the flow behaviour of a model system of red blood cells (RBCs) from different species, which differ markedly in size, shape & density, flowing in a single phase of buffered saline have been characterised. Operational Conditions: For a particular rotational speed, there was a minimum flow rate which caused all the cells to be retained in the column and a maximum flow rate at which all cells were eluted. Both the minimum and maximum flow rate were increased when a higher rotational speed was applied. Differences in the behaviour of sheep & hen RBCs have been used to develop a separation method using a continuously increasing flow gradient. This separation could be speeded up by using a step flow gradient. The effects of cell load and rotational direction on the behaviour of RBCs in the column was also studied in this thesis. Cell Properties: The minimum flow rate was found to correlate with cell diameter/cell volume of the RBCs as expected for a sedimentation related process and was partially described by a theoretic equation developed for particles by Fedotov and colleagues (Fedotov et al. 2005). However cell dependent departures from this equation were found which appear to indicate that cell specific surface properties may also be involved for cells (Chapter 3). By contrast the maximum flow rate showed no correlation with cell diameter/cell volume. An effect of cell deformability on the flow separation behaviour of the cells has been demonstrated. Chemical fixation of sheep RBCs with glutaraldehyde rendered the normally deformable RBCs rigid and non-deformable and resulted in the fixed sheep RBCs eluting significantly earlier than unfixed sheep RBCs. This difference was great enough that a mixture of deformable (unfixed) and non-deformable (fixed) sheep RBCs could be separated. Fixed cells tended to show cell aggregation, which could be reduced by the addition of surfactant. Column Geometry: An effect of column shapes on the flow separation behaviour of cells has been demonstrated showing that the optimisation of column design is an important feature of this mode of cell separation. For columns with the same cross sectional area, a “horizontal” rectangular column provided better separation than a circular column and a “vertical” rectangular column gave the least efficient separation. A possible explanation for this behaviour is suggested the thinner sedimentation layer and less secondary flow. Differences in the behaviour of various species of RBCs in the “horizontal” rectangular column have been used to study the efficiency of separation of a mixture of sheep and hen RBCs, and a mixture of rabbit and hen RBCs. This work shows similarities and differences with other reports on cell/particle separations in rotating coiled columns in single phases and also in aqueous two phases systems (ATPS) and these are discussed. Fedotov P.S., Kronrod V.A. & Kasatonova O.N. (2005). Simulation of the motion of solid particles in the carries liquid flow in a rotating coiled column. J. Anal. Chem., 60, 4, 310-316.
38
Alves, Eloisa Nunes. "Red blood cell (RBC) - Teste de hemolise: uma alternativa ao teste de Draize-irritacao ocular na avaliacao do poder toxico de produtos cosmeticos no controle de qualidade." Rio de Janeiro : [s.n.], 2003. http://bvssp.cict.fiocruz.br/lildbi/docsonline/get.php?id=221.
Full text
39
Lo, Ying Jie. "Dielectrophoresis on Plasma/RBC Separation and RBC Manipulation." 2004. http://www.cetd.com.tw/ec/thesisdetail.aspx?etdun=U0001-2607200411101400.
Full text
40
Lo, Ying Jie, and 羅英傑. "Dielectrophoresis on Plasma/RBC Separation and RBC Manipulation." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/55952934965144409799.
Full textAbstract:
碩士國立臺灣大學
應用力學研究所
92
This thesis takes advantage of dielectric property of material, where a dielectrophoretic (DEP) force is induced in a sinusoidally time-variant electric field to achieve cell-plasma separation and cell manipulation. Dielectrophoretic theory is based on the distinct dielectric and conductive properties of cell and medium. This distinction will physically induce a directional force depending on frequency, spatial electric strength, and spatial electric phase distribution. Through fabrication of MEMS, devices miniaturized are to increase the influence of DEP force on separation and manipulation of cells. Additionally, with the aid of numerical simulation of electric field and cell trajectory, more effective devices are designed. The use of bio-compatible material polydimethysilloxane (PDMS) proved ease of fabrication and integration [1]. Types of cell-plasma separator tested various electrode design include stair, inclined, and gradient confuguration, and 3D channel assisting design. For cell manipulation, traveling wave, cell concentrator, and cell portioning devices are all tested and their performance quantified. Results show successful separation of red blood cell (RBC) and plasma vis DEP. for a wide range of electrode geometry configurations. Traveling wave DEP, however, was more difficult to implement. Manipulation of RBC proved viable using the non-uniform E-field at the tip of multi-electrode design.
41
Chen, Yi-Ting, and 陳怡庭. "Clinical Characteristics of RBC Unexpected Antibodies." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/y27xk7.
Full text
42
"Emprego de Rbc Para Recuperação Inteligente de Informações." Tese, Programa de Pós Graduação em Engenharia de Produção, 2002. http://teses.eps.ufsc.br/defesa/pdf/5983.pdf.
Full text
43
"Modelo Rbc Aplicado À Jurisprudência da Justiça Federal." Tese, Programa de Pós Graduação em Engenharia de Produção, 2001. http://teses.eps.ufsc.br/defesa/pdf/7460.pdf.
Full text
44
LIN, CHING YANG, and 林經洋. "HETEROGENEOUS EXPECTATIONS AND LEARNING MECHANISMS IN RBC MODEL." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/35615026091106219335.
Full textAbstract:
碩士國立臺灣大學
經濟學研究所
92
In this paper, we introduce the heterogeneous agents and learning behavior into the RBC model, where firms solve their maximization problem according to their own beliefs about the underlying shock, and these beliefs would be updated by each period through certain criterion. The process of how a firm update its beliefs is characterized by the genetic algorithms and the given criteria divides into a shotrun performance evaluation and a long-run one. We find that when the long-run criteria is accepted within the agents, the learning process urges the beliefs of the society into a level higher than the true shock, while the short-run one is accepted, the after-learned beliefs tend to be undervalued about the state. In a situation where learning behaviors are involved, the dynamics of aggregate variables would be determined then by true underlying shock and the biased behaviors which are driven by agents’ beliefs. As a result, some potential equilibrium could be inducted under this model.
45
Dai, Rui. "Rbc Lifespan Uncertainty: Models and Anemia Management Robustness." 2013. https://scholarworks.umass.edu/theses/1030.
Full textAbstract:
This thesis discusses the modeling of uncertainty of red blood cell (RBC) lifespan distribution in patients suffering from Chronic Kidney Disease(CKD) patients, whose anemia is managed through periodic dosing of erythropoietin (EPO).
In healthy individuals, RBCs containing hemoglobin (Hgb) are produced in the bone marrow. When oxygen carried by hemoglobin is transported to human tissues throughout the body, the kidneys sense reduced level of Hgb and secretes EPO that simulates proliferation of red cell precursors and eventually producing red blood cells. However, in CKD patients, their kidneys fail to secrete enough EPO, so that too few of RBCs are produced to maintain a sufficient Hgb level. As a result, artificial EPO dosing is required when the kidney loses this function to avoid anemia.
To develop effective artificial EPO dosing schemes, it is important to have models of how EPO does dynamically affect hemoglobin levels. Since there is significant uncertainty in this process, it is equally valuable to have mathematical models of such uncertainties, and in this thesis we focus on uncertainty in the lifespan of red blood cells.
In this thesis, we consider two different types of models for RBC lifespan uncertainty: the time-invariant and time-varying cases. In the former, we treat the probabilistic distribution of cell lifespans as fixed for a given patient, but variable (uncertain) over the population. In the latter case, the cell lifespan distribution can change from moment to moment for a given patient.
Amongst several possible choices of RBC lifespan distributions, this thesis will focus on the gamma distribution. For the time-invariant model, a first-order gamma distribution is selected as the nominal distribution, and a multiplicative error model is proposed to analyze the impact of lifespan uncertainty on anemia management.
In the time-varying case, the lifespan distribution is not fixed in time, but allowed to switch over a finite collection of gamma distributions. In other words, each newly-born RBC has a lifespan coming from a distribution chosen from a collection. Both of these models are analyzed so as to evaluate the impact of lifespan uncertainty on the performance of anemia management schemes; including stability and response time.
46
Paulus, Michal. "Veřejné zakázky jako korupční sektor v RBC modelu." Master's thesis, 2012. http://www.nusl.cz/ntk/nusl-304452.
Full textAbstract:
The aim of the thesis is to create a RBC model incorporating corrupting sector. The thesis contributes to the few existing DSGE models with corruption by introducing the corrupting sector into the sector of firms and political parties which is regarded as a sector of public procurements where firms bribe politicians for gaining public tenders. This setting is new and is supposed to catch better the phenomenon of political corruption. The model predicts that all shocks that positively affect the economy motivate firms to invest more into the bribes and vice versa. The increase of the overall level of corruption stimulates economy but is leading an economy to the instability. The model also examines the effect of various forms of fiscal spending in the households ' utility function. The model exhibits several non-intuitive results (too high portion of stolen money by firms, stimulation of the economic performance caused by higher corruption and negative holding of government bonds) that should be solved in next research.
47
Hsu, Liang-Wei, and 徐良瑋. "RBC Deformation and Flowfield Analysis in Micro-Fluidic Channel." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/01817396355117753232.
Full textAbstract:
碩士國立臺灣大學
應用力學研究所
93
One of the most important development in micro total analysis system (µTAS) is applications of rapid test chip in several aspects like biomedical examines, pathology analysis, and chemical constituent detection. It’s a pressing demand to design a clinical test chip with the advantage of accuracy, rapid, and cheap. Red blood cells (RBC) shuttle through the close, numerous vessel networks among human bodies and deform shape when getting past blood capillaries. It is found that many diseases affect the elasticity and deformability of RBC. This study makes use of RBC deformable elasticity and introduces an effective micro-fluidic-system composed of high-compatible, high-transparent, and high-stable Polydimethylsiloxane (PDMS) in blood capillaries scale to observe RBC deformations and effects of channel geometry. After setting up normal RBC experimental data, we attempt to develop a rapid test chip capable of distinguishing RBC ill or not.
48
Kuo, Chun-Fang, and 郭純芳. "The Impact of RBC on the Capital and Risk." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/33582050113648128106.
Full textAbstract:
碩士國立政治大學
風險管理與保險學系
90
The risk-based capital requirements developed by the National Association of Insurance Commissioners (NAIC) were intended to raise the safety net for insurers and provide regulators with the authority to intervene when capital falls below a minimum standard of capital adequacy that is related to risk. The paper examines the simultaneous impact of RBC had on life insurer’s both capital and risk. We employed a three stage least squares (3SLS) model to analyze the relationship between life insurer’s capital, risk and the risk-based capital requirements. The results suggest that life insurers with lower RBC ratio would not only increase their capital ratio but also increase their company-wide risk. Besides, the life insurers with higher RBC ratio would reduce the capital ratio and increase the risk.
49
"Endogenous credit market incompleteness: RBC approach to emerging markets crises." THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL, 2009. http://pqdtopen.proquest.com/#viewpdf?dispub=3315690.
Full text
50
Peng, Wan-En, and 彭琬恩. "Regulatory Forbearance, RBC and Administrative Penalty in Taiwan Insurance Industry." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/75296594036707655977.
Full textAbstract:
碩士國立臺灣大學
財務金融學研究所
100
On August 4 2009, Kuo Hua Insurance Company was taken over by Financial Supervisory Commission. The net value of the Company has been negative over ten years. This paper examines whether capital forbearance exist (or not) by investigating that has the regulater forces the companies to increase capital when their RBC ratios were unqualified. In addition, the stockholders of the financial-insolvent insurance company are more likely to behave riskier to improve the financial situation of the Comapny or delay the capital increasing. Therefore, this paper also explores whether these two phenomenon mentioned above exist in Taiwan insurance industry or not. Paired data, including RBC ratios, the capital-increase records and the administrative penalty records of 28 observed insurance companies in Taiwan from 2007 to 2011, were employed into the Logistics Regressions and the Simple Linear Regressions. The results indicate that, first, capital forbearance and delayed capital increase do exist in Taiwan insurance industry. Second, we find out that the current unqualified RBC companies are easier to break the regulation than current qualified RBC companies, so did the unqualified RBC companies in prior term. Third, domestic insurance companies are easier to break the regulation than foreign insurance companies. Forth, the factors such as years, the amounts of asset or equity and the age of company do not have significant effect on the possibility of breaking the regulation. To conclude, this paper indicates the relationship between RBC ratios and administrative penalty.