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1

Souza, Daniele Goncalves de. "Metodologia de mapeamento para gestão de processos." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2014. http://hdl.handle.net/10183/139426.

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Com o aumento da competição, provocado pela globalização da economia, as organizações estão em uma luta contínua pela sua sobrevivência no mercado. Essa sobrevivência passa obrigatoriamente pela organização de sua gestão, em busca de tornar-se mais competitiva. Um dos pontos principais que fazem as empresas mais competitivas é a gestão de seus processos e o alinhamento deles com seus objetivos estratégicos. A eficiência das empresas está ligada diretamente à eficiência de seus processos, de forma que seu aperfeiçoamento é um dos objetivos fundamentais para qualquer empresa, sendo o tema centra
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Furloni, Walter. "Controle em horizonte finito com restriçoes de sistemas lineares discretos com saltos markovianos." [s.n.], 2009. http://repositorio.unicamp.br/jspui/handle/REPOSIP/259271.

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Orientador: João Bosco Ribeiro do Val<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Eletrica e de Computação<br>Made available in DSpace on 2018-08-13T17:57:42Z (GMT). No. of bitstreams: 1 Furloni_Walter_M.pdf: 917619 bytes, checksum: 10cdfc1afdfa09f1573d3e30d14415c4 (MD5) Previous issue date: 2009<br>Resumo: O objetivo deste trabalho é propor e resolver o problema de controle em horizonte finito com restrições de Sistemas Lineares Discretos com Saltos Markovianos (SLDSM) na presença de ruído. As restrições dos vetores de estado e de controle não são
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Catalão, André Borges [UNESP]. "Modelagem estocástica de opções de câmbio no Brasil: aplicação de transformada rápida de Fourier e expansão assintótica ao modelo de Heston." Universidade Estadual Paulista (UNESP), 2010. http://hdl.handle.net/11449/88592.

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Made available in DSpace on 2014-06-11T19:23:32Z (GMT). No. of bitstreams: 0 Previous issue date: 2010-12-13Bitstream added on 2014-06-13T18:09:47Z : No. of bitstreams: 1 catalao_ab_me_ift.pdf: 811288 bytes, checksum: d4e34c59801bd92233bc9f26884a19ab (MD5)<br>Neste trabalho estudamos a calibração de opções de câmbio no mercado brasileiro utilizando o processo estocástico proposto por Heston [Heston, 1993], como uma alternativa ao modelo de apreçamento de Black e Scholes [Black e Scholes,1973], onde as volatilidades implícitas de opções para diferentes preços de exercícios e prazos são incorp
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Bartholme, Carine. "Self-similarity and exponential functionals of Lévy processes." Doctoral thesis, Universite Libre de Bruxelles, 2014. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/209256.

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La présente thèse couvre deux principaux thèmes de recherche qui seront présentés dans deux parties et précédés par un prolegomenon commun. Dans ce dernier nous introduisons les concepts essentiels et nous exploitons aussi le lien entre les deux parties.<p><p>Dans la première partie, le principal objet d’intérêt est la soi-disant fonctionnelle exponentielle de processus de Lévy. La loi de cette variable aléatoire joue un rôle primordial dans de nombreux domaines divers tant sur le plan théorique que dans des domaines appliqués. Doney dérive une factorisation de la loi arc-sinus en termes de su
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Crommentuijn, Léon Emanuel Maria. "Regional household differentials structures and processes = Regionale huishoudensverschillen : structuren en processen /." Amsterdam : Thesis Publishers, 1997. http://catalog.hathitrust.org/api/volumes/oclc/37633887.html.

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6

Hill, Emma. "Interfacial processes." Thesis, University of Oxford, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.300056.

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Aixill, W. Joanne. "Electrode processes." Thesis, University of Oxford, 1998. http://ora.ox.ac.uk/objects/uuid:9578fd22-42fe-41cc-9d92-96f8272956d8.

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The work presented in this thesis first characterises a high speed channel flow cell and then applies the system to the electro-reduction of nitromethane in aqueous solution. Potential step transient measurements are carried out with the current-time transients simulated using a model based on the absence of axial diffusion. The excellent agreement between theory and experiment confirms the proposed mass transport model and further demonstrates that the combination of current-time transients recorded using the high speed channel flow cell and numerical simulations provide a powerful tool to ac
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8

De, Oliveira Salazar Ribeiro Pedro Fernando. "Angelic processes." Thesis, University of York, 2014. http://etheses.whiterose.ac.uk/9020/.

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In the formal modelling of systems, demonic and angelic nondeterminism play fundamental roles as abstraction mechanisms. The angelic nature of a choice pertains to the property of avoiding failure whenever possible. As a concept, angelic choice first appeared in automata theory and Turing machines, where it can be implemented via backtracking. It has traditionally been studied in the refinement calculus, and has proved to be useful in a variety of applications and refinement techniques. Recently it has been studied within relational, multirelational and higher-order models. It has been employe
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9

Jalili, Lemar. "Creative Processes." Thesis, Luleå tekniska universitet, Institutionen för konst, kommunikation och lärande, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-75298.

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Pinheiro, Maicon Aparecido. "Processos pontuais no modelo de Guiol-Machado-Schinazi de sobrevivência de espécies." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/45/45133/tde-01062016-191528/.

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Recentemente, Guiol, Machado e Schinazi propuseram um modelo estocástico para a evolução de espécies. Nesse modelo, as intensidades de nascimentos de novas espécies e de ocorrências de extinções são invariantes ao longo do tempo. Ademais, no instante de nascimento de uma nova espécie, a mesma é rotulada com um número aleatório gerado de uma distribuição absolutamente contínua. Toda vez que ocorre uma extinção, apenas uma espécie morre - a com o menor número vinculado. Quando a intensidade com que surgem novas espécies é maior que a com que ocorrem extinções, existe um valor crítico f_c tal que
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Kvarnström, Björn. "Traceability in continuous processes : applied to ore refinement processes." Doctoral thesis, Luleå, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-26677.

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Introduction and purpose: Traceability is central for the identification of the root cause(s) behind a product deviation and thus to achieve a product and process quality that is both high and even. Continuous processes contain several characteristics complicating traceability which are not usually discussed in the scientific literature. The overall purpose of this thesis is to provide a theoretical framework for traceability and to test and develop methods for traceability in continuous processes. Design/methodology/approach: A literature review and interviews with engineers in continuous pro
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Vaillancourt, Jean Carleton University Dissertation Mathematics. "Interacting Fleming-Viot processes and related measure-valued processes." Ottawa, 1987.

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13

Peixoto, Gabriel Ribeiro da Cruz. "O processo K em uma árvore de profundidade infinita." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/45/45133/tde-28012015-010059/.

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Nesse trabalho introduzimos o Processo K em árvores de profundidade infinita. Estes são processos estocásticos em tempo contínuo que têm $\\widebar{\\sN}_*^{\\sN_*}$ como espaço de estados. O principal resultado desse trabalho consiste em mostrar que, sob condições adequadas, o processo título pode ser obtido como limite de Processos K em árvores de profundidade finita, estudados em Fontes et at. (2014), quando a profundidade delas cresce para o infinito.<br>We introduce the K-Process on trees with infinite depth. These are stochastic processes in continuous time, having state space $\\wideba
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Lai, Sau Man. "Feasibility and flexibility in chemical process design /." View abstract or full-text, 2009. http://library.ust.hk/cgi/db/thesis.pl?CBME%202009%20LAI.

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Veillette, Mark S. "Study of Gaussian processes, Lévy processes and infinitely divisible distributions." Thesis, Boston University, 2011. https://hdl.handle.net/2144/38109.

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Thesis (Ph.D.)--Boston University<br>PLEASE NOTE: Boston University Libraries did not receive an Authorization To Manage form for this thesis or dissertation. It is therefore not openly accessible, though it may be available by request. If you are the author or principal advisor of this work and would like to request open access for it, please contact us at open-help@bu.edu. Thank you.<br>In this thesis, we study distribution functions and distributional-related quantities for various stochastic processes and probability distributions, including Gaussian processes, inverse Levy subordinators,
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Haugomat, Tristan. "Localisation en espace de la propriété de Feller avec application aux processus de type Lévy." Thesis, Rennes 1, 2018. http://www.theses.fr/2018REN1S046/document.

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Dans cette thèse, nous donnons une localisation en espace de la théorie des processus de Feller. Un premier objectif est d’obtenir des résultats simples et précis sur la convergence de processus de Markov. Un second objectif est d’étudier le lien entre les notions de propriété de Feller, problème de martingales et topologie de Skorokhod. Dans un premier temps nous donnons une version localisée de la topologie de Skorokhod. Nous en étudions les notions de compacité et tension. Nous faisons le lien entre les topologies de Skorokhod localisée et non localisée, grâce à la notion de changement de t
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Tessaro, Elias Paulo. "Avaliação de processos oxidativos para o tratamento ambientalmente adequado de fluidos de corte." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/75/75132/tde-20062008-165020/.

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Durante o processo metalúrgico de usinagem de uma peça ocorre a geração de calor proveniente do atrito ferramenta/peça e cavaco/ferramenta. Para que ocorra uma menor geração de calor possibilitando o manuseio, bem como a minimização na deformação da peça, utilizam-se fluidos, que são soluções lubrificantes à base de óleos, água ou polímeros, podendo ser sintéticos ou não, diminuindo, assim, o coeficiente de atrito reduzindo-se a quantidade de calor gerado no processo. Há uma grande variedade de fluidos de corte disponíveis no mercado que são constituídos por diversos compostos como: aminas, co
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Valmy, Larissa. "Modèles hiérarchiques et processus ponctuels spatio-temporels - Applications en épidémiologie et en sismologie." Phd thesis, Université des Antilles-Guyane, 2012. http://tel.archives-ouvertes.fr/tel-00841146.

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Les processus ponctuels sont souvent utilisés comme modèles de répartitions spatiales ou spatio-temporelles d'occurrences. Dans cette thèse, nous nous intéressons tout d'abord à des processus de Cox dirigés par un processus caché associé à un processus de Dirichlet. Ce modèle correspond à des occurrences cachées influençant l'intensité stochastique des occurrences observées. Nous généralisons la notion de " Shot noise Cox process " introduite par Moller et développons le traitement bayésien par un échantillonneur de Gibbs combiné à un algorithme de Metropolis-Hastings. Nous montrons que cette
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Brignoni, Jimmy. "Modelling transfer processes /." [S.l.] : [s.n.], 2009. http://www.ub.unibe.ch/content/bibliotheken_sammlungen/sondersammlungen/dissen_bestellformular/index_ger.html.

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Desharnais, Josée. "Labelled Markov processes." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape3/PQDD_0031/NQ64546.pdf.

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Balan, Raluca M. "Set-Markov processes." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/NQ66119.pdf.

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Gohm, Rolf. "Noncommutative stationary processes /." Berlin [u.a.] : Springer, 2004. http://www.loc.gov/catdir/enhancements/fy0813/2004103932-d.html.

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Eltannir, Akram A. "Markov interactive processes." Diss., Georgia Institute of Technology, 1993. http://hdl.handle.net/1853/30745.

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Seidel, Karen. "Probabilistic communicating processes." Thesis, University of Oxford, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.306194.

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Makai, Tamas. "Random graph processes." Thesis, Royal Holloway, University of London, 2012. http://repository.royalholloway.ac.uk/items/b24b89af-3fc1-4d2f-a673-64483a3bc2f2/8/.

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This thesis deals with random graph processes. More precisely it deals with two random graph processes which create H -free graphs. The first of these processes is the random H-elimination process which starts from the complete graph and in every step removes an edge uniformly at random from the set of edges which are found in a copy of H. The second is the H-free random graph process which starts from the empty graph and in every step an edge chosen uniformly at random from the set of edges which when added to the graph would not create a copy of H is inserted. We consider these graph process
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Walters, K. "Genetic recombination processes." Thesis, University of Sheffield, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.269336.

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Scarr, James Richard Hadley. "Pharmaceutical development processes." Thesis, University College London (University of London), 2008. http://discovery.ucl.ac.uk/1446773/.

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The process of developing pharmaceuticals requires expertise from numerous different scientific areas. Four separate studies have been undertaken on Pharmaceuticals Testing, Process Development, Business Strategy and Process Validation within this industry. New pharmaceuticals generally require multi-step reactions, which increasingly feature the involvement of biological synthesis to improve the optical purity and thus efficacy and safety of the drug. Two of the problems with employing biological synthesis are the high level of inhibition observed and the potential difficulty with which these
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Hamam, Khaled K. K. "Unconventional dyeing processes." Thesis, University of Manchester, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.602947.

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The cost of energy and present market demand for special dyeing effects have created a situation which has resulted in a number of mechanical innovations designed to change the character of textile dyeing. The present work investigates a novel machinery concept and unconventional continuous dyeing process. The process is accomplished by applying the dye liquor to the fabric using the 'FKO system' (Foster Khaled Oulton). The original concept involves preheating and removal of air from the fabric by saturated and superheated steam under pressure in a continuous manner. After passage through a la
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Wlodarski, Rafael. "Processes of pairbonding." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:bc2ba4f3-138a-4512-ab4e-087964b7ff88.

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This thesis expands our understanding of the role of several different mating behaviours in the process of forming and maintaining human mating pair-bonds. Chapter 2 investigated within-sex mating strategies and found that their distribution reflects the presence of two phenotypes, one favouring the pursuit of short-term mating and one the establishment of mating pair-bonds, each driven by prenatal testosterone exposure. Chapter 3 investigated the possible functional role of kissing in mating relationships, and found that it was utilised divergently by individuals pursuing different mating str
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Cheng, Hua. "Intensified electrochemical processes." Thesis, University of Newcastle upon Tyne, 1999. http://hdl.handle.net/10443/3104.

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Process intensification is in principle a strategy of making dramatic reductions in the capital cost of a production system, improving intrinsic safety, reducing environmental impact and energy consumption. An electrochemical cell is a specific example of a multiphase system that should be capable of being operated very intensively within a centrifugal acceleration field. This thesis presents the first systematical research work in this field. It demonstrates that many electrochemical processes can be enhanced considerably by using a high-acceleration field, which takes full advantage of the i
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Costello, Roger Lee. "Responsive sequential processes /." The Ohio State University, 1988. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487588249825353.

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Thompson, James. "Submanifold bridge processes." Thesis, University of Warwick, 2015. http://wrap.warwick.ac.uk/79558/.

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We introduce and study submanifold bridge processes. Our method involves proving a general formula for the integral over a submanifold of the minimal heat kernel on a complete Riemannian manifold. Our formula expresses this object in terms of a stochastic process whose trajectories terminate on the submanifold at a fixed positive time. We study this process and use the formula to derive lower bounds, an asymptotic relation and derivative estimates. Using these results we introduce and characterize Brownian bridges to submanifolds. Before doing so we prove necessary estimates on the Laplacian o
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Taylor, Paul. "Autonomic business processes." Thesis, University of York, 2015. http://etheses.whiterose.ac.uk/11712/.

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Business processes in large organisations are typically poorly understood and complex in structure. Adapting such a business process to changing internal and external conditions requires costly and time consuming investigative work and change management. In contrast autonomic systems are able to adapt to changing environments and continue to function without external intervention. Enabling business processes to adapt to changing conditions in the same way would be extremely valuable. This work investigates the potential to self-heal individual business process executions in generic business pr
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Brown, Neil Christopher Charles. "Communicating Haskell processes." Thesis, University of Kent, 2011. https://kar.kent.ac.uk/33880/.

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Concurrent programming supports multiple threads of concurrent execution. It is a suitable paradigm for interaction with the outside world, where many inputs (e.g. network packets, key-presses, mouse-clicks) may arrive at any time and need to be dealt with at the same time. Concurrent execution also potentially allows for parallel speed-up; multicore machines are now the standard for new PCs, but the quest to take full advantage of the available parallelism continues. One approach to concurrent programming is process-oriented programming, which uses message-passing and is based on Hoare and Ro
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Harris, John William. "Branching diffusion processes." Thesis, University of Bath, 2006. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.428379.

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Padley, Mark Andrew. "Incorporating operability measures into the process synthesis stage of design." Phd thesis, Department of Chemical Engineering, 1991. http://hdl.handle.net/2123/5996.

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Hägele, Florian [Verfasser]. "Quality improvement of minimally processed leafy salads using innovative technological processes / Florian Hägele." Aachen : Shaker, 2017. http://d-nb.info/1139583433/34.

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Sabir-Bagag, Aïcha. "Photoionisation et spectrométrie de masse : un nouvel outil pour l'identification de biomolécules." Thesis, Evry-Val d'Essonne, 2008. http://www.theses.fr/2008EVRY0041/document.

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Mon travail de thèse a été entièrement dévoué à l’étude d’une récente technique d’ionisation en spectrométrie de masse : la photoionisation à pression atmosphérique (APPI). Ce travail est développé sur deux axes principaux. D’une part, il vise à appliquer cette méthode d’ionisation à de nouvelles familles de molécules et d’en élargir le cas échéant le domaine d’application. D’autre part et parallèlement à cela, nous nous sommes attachés à l’étude des mécanismes de formation des ions ainsi qu’à l’élucidation des voies de fragmentation. En effet, ces dernières se révèlent souvent intensives et p
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Rascop, Silvana Borges. "Melhoria da qualidade em uma empresa farmaceutica com base no Modelo de Melhoria e na RDC 210/03." [s.n.], 2006. http://repositorio.unicamp.br/jspui/handle/REPOSIP/264862.

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Orientador: Ademir Petenate<br>Dissertação (mestrado profissional) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecanica<br>Made available in DSpace on 2018-08-07T20:52:25Z (GMT). No. of bitstreams: 1 Rascop_SilvanaBorges_M.pdf: 3322702 bytes, checksum: e12f841b84d759a99603bf799e2fdf64 (MD5) Previous issue date: 2006<br>Resumo: O objetivo deste estudo foi aplicar a utilização o ¿Modelo de Melhoria¿, à gestão de controle em processo, visando a obtenção de qualidade no produto terminado e, posteriormente, implantá-lo em outras linhas de produção. O trabalho foi realizado no set
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Eggersmann, Markus. "Analysis and support of work processes within chemical engineering design processes /." Düsseldorf : VDI-Verl, 2005. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=013342934&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.

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Pashalis, Despina. "Central cortical processes or peripheral motor processes differentiate extraverts from introverts /." Title page, table of contents and abstract only, 2002. http://web4.library.adelaide.edu.au/theses/09ARPS/09arpsp2818.pdf.

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Fittipaldi, María Clara. "Representation results for continuos-state branching processes and logistic branching processes." Tesis, Universidad de Chile, 2014. http://www.repositorio.uchile.cl/handle/2250/116458.

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Doctora en Ciencias de la Ingeniería, Mención Modelación Matemática<br>El objetivo de este trabajo es explorar el comportamiento de los procesos de rami ficación evolucionando a tiempo y estados continuos, y encontrar representaciones para su trayectoria y su genealogía. En el primer capítulo se muestra que un proceso de ramifi cación condicionado a no extinguirse es la única solución fuerte de una ecuación diferencial estocástica conducida por un movimiento Browniano y una medida puntual de Poisson, más un subordinador que representa la inmigración, dónde estos procesos son mutuamente indep
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de, Azeredo Keating Jose B. B. "Managerial cognitions in technological innovation processes : a study of interpretative processes." Thesis, Aston University, 1993. http://publications.aston.ac.uk/10860/.

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In this research, conceptualizations of the links between technological innovation and organizational change are explored and recommendations in the literature concerning such changes are reviewed and criticized. Such recommendations do not usually address the details of social interactions by which organizational changes take place. As a consequence, the issue of how these recommendations become relevant for the actors who would carry them out is not addressed. The complexity of organizational change processes highlights the role of actors' interpretations of organizational reality. Interpret
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MOLLMANN, Tonio. "Generalized Feller Processes and their Applications to Affine and Polynomial Processes." Doctoral thesis, Scuola Normale Superiore, 2022. http://hdl.handle.net/11384/112310.

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Serrano, Francisco de Castilho Monteiro Gil. "Fractional processes: an application to finance." Master's thesis, Instituto Superior de Economia e Gestão, 2016. http://hdl.handle.net/10400.5/13002.

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Mestrado em Matemática Financeira<br>Neste trabalho é apresentada uma extensa descrição matemática, orientada para a modelação financeira, de três principais processos fracionários: o processo Browniano fracionário e os dois processos de Lévy fracionários. Mostram-se como estes processos podem ser originados. É explorado o conceito de auto-semelhança e apresentamos algumas noções de cálculo fracionário. Também é discutido o lugar destes processos no problema de encontrar o preço de derivados financeiros e apresentamos uma nova abordagem para a simulação do processo de Lévy fracionário que perm
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Turati, Ricardo de Carvalho. "Desenvolvimento de uma abordagem estatística dos tempos para o Lean Healthcare: uma proposta para análise dos tempos nos processos hospitalares." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/18/18156/tde-29012016-133521/.

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Os hospitais são grandes organizações de serviços responsáveis pelo bem estar da população. Desempenham um papel importante na sociedade e também são responsáveis por boa parte dos recursos financeiros destinados a saúde. Diante deste cenário, os hospitais tem demandado um aumento no uso de ferramentas de gestão e melhoria de seus processos de negócio. Uma proposta para auxiliar neste processo, tem sido reportada na literatura como Lean Healthcare. Desse modo, o objetivo deste trabalho constituiu na proposição de uma abordagem estatística dos tempos para a análise das atividades nos processos
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Palau, Ortin David. "Dynamics of cellular decision making processes." Doctoral thesis, Universitat de Barcelona, 2016. http://hdl.handle.net/10803/396084.

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Cells, either as unicellular organisms or as part of a tissue of a multicellular organism, can acquire different functions thanks to their capability of changing their expression state. The enzyme synthesis, cell division or cell differentiation are some examples of these functions. The turning on and off of them lie in the mechanisms by which cells are able to integrate the information they perceive from the environment. Frequently, cells exhibit different responses under the same stimulus or environment. These probabilistic processes, whose behaviours are not univocal, are known as "cellular
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48

Rabanal, Vasquez Mariela Carolina, and Cárdenas Sonia Chiemy Zamami. "Propuesta de mejora de los procesos del patio de operaciones de un operador logístico para reducir el nivel de reprocesos mediante herramientas de estandarización." Bachelor's thesis, Universidad Peruana de Ciencias Aplicadas (UPC), 2020. http://hdl.handle.net/10757/651720.

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La participación de los operadores logísticos en la economía peruana representan un papel importante, ya que brindan un significativo aporte al desarrollo de las diferentes empresas que requieren de este tipo de servicios con la finalidad de reducir sus costos. Sin embargo, este sector enfrenta diferentes problemas como la inseguridad ciudadana, la falta de interés en brindar un servicio de calidad, lo cual se ve reflejado en los índices internacionales de logística, ubicándose el Perú en el puesto más alto de la región. En adición, esto se debe a la deficiente infraestructura con la que s
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49

Hamann, Stephan [Verfasser]. "On aspects of chemical processes in surface modification plasma processes / Stephan Hamann." Greifswald : Universitätsbibliothek Greifswald, 2015. http://d-nb.info/1080392726/34.

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50

Dassios, Angelos. "Insurance, storage and point processes : an approach via piecewise deterministicc Markov processes." Thesis, Imperial College London, 1987. http://hdl.handle.net/10044/1/38278.

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