Tesis sobre el tema "Modelling"
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Singh, Peterson Lila Physics Faculty of Science UNSW. "Modelling secondary organic aerosol formation :from chemical mechanistic modelling to empirical modelling". Awarded by:University of New South Wales. Physics, 2007. http://handle.unsw.edu.au/1959.4/40466.
Texto completoRomanowska, Izabela Anna. "Modelling hominin dispersals with agent-based modelling". Thesis, University of Southampton, 2017. https://eprints.soton.ac.uk/420372/.
Texto completoGriesser, Martin Thomas. "The modelling of fabric behaviour for automated modelling". Thesis, University of Hull, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.262413.
Texto completoTilgner, Hagen 1980. "Modelling splicing". Doctoral thesis, Universitat Pompeu Fabra, 2011. http://hdl.handle.net/10803/85056.
Texto completoSplicing of RNA molecules is the process, by which intervening sequences (“introns”) in the primary transcript are excised, and the remaining sequences (“exons”) are concatenated to form the mature RNA. Recent evidence shows that almost all spliced genes are affected by alternative splicing. Here, we define the minimal length of RNA oligomers that can sensibly be called splicing factor binding sites. Then, we explore the capacity of these oligomers to predict complete exon-intron structures. We highlight those oligomers that are most informative for this and show, that equal accuracy as in previous approaches can be achieved with less RNA oligomers. The observation, that this approach falls short of accurately predicting the entire exon-intron structure, led us to investigate determinants linked to co-transcriptional splicing. We show that nucleosomes are preferentially positioned on exons and hypothesize that they play a role in splicing decisions. We then introduce the “completed splicing index” and conclude that co-transcriptional splicing is very wide-spread in humans. Furthermore co-transcriptional splicing exhibits links to chromatin organization. In the light of these results, we go on to monitor chromatin changes on differentially included exons in pair-wise tissue comparisons. We find a variety of histone marks, but not all, showing significantly different behavior on up- and downregulated exons. The most prominently appearing marks are H3K9ac and two lysine 4 methylation states.
Spackman, Roger A. "Electrochemical modelling". Thesis, University of Oxford, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.316899.
Texto completoMackie, Jo. "Situation modelling". Thesis, Lancaster University, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.527167.
Texto completoCox, Sander. "Dynamical modelling". Thesis, Uppsala universitet, Tillämpad matematik och statistik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-262477.
Texto completoGuruprasad, Kunchur. "Protein modelling". Thesis, Birkbeck (University of London), 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.283204.
Texto completoVaidya, A. M. "Ultrafiltration modelling". Thesis, University of Manchester, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.237688.
Texto completoDiamantopoulos, Panayiotis. "Biomedical modelling". Thesis, University of Sussex, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.391860.
Texto completoFinbow, Gerard Mark. "Modelling nanostructures". Thesis, University of Cambridge, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.624252.
Texto completoAmmari-Allahyari, Mojtaba. "Modelling recursion". Thesis, University of Warwick, 2008. http://wrap.warwick.ac.uk/3602/.
Texto completoRoseburgh, David Stewart. "Epioptical modelling". Thesis, University of Edinburgh, 2006. http://hdl.handle.net/1842/14327.
Texto completoCole, Ian R. "Modelling CPV". Thesis, Loughborough University, 2015. https://dspace.lboro.ac.uk/2134/18050.
Texto completoHebeler, Felix. "Modelling topographic uncertainty : impacts on large scale : environmental modelling /". Zürich, 2008. http://opac.nebis.ch/cgi-bin/showAbstract.pl?sys=000253809.
Texto completoHeadey, Jonathan Mark. "Modelling of river corridors : modelling urban particulate transport processes". Thesis, University of Birmingham, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.289714.
Texto completoWang, Wang. "Empirical Investigations of Conceptual Modelling and the Modelling Process". Thesis, Lancaster University, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.518147.
Texto completoKjellsdotter, Frida. "MBS-modelling of a heavy truck : Modelling and model validation". Thesis, KTH, Fordonsdynamik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-32076.
Texto completoStrathern, M. "Modelling Organisational Evolution and Change - a Complex Systems Modelling Perspective". Thesis, Cranfield University, 2008. http://hdl.handle.net/1826/3527.
Texto completoLu, Zhengxin. "Modelling geotechnical uncertainty using numerical modelling techniques : Kuldip Narbheshankar Modha". Thesis, University of Nottingham, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.446386.
Texto completoMeng, Xuesong. "Modelling multi-scale problems in the transmission line modelling method". Thesis, University of Nottingham, 2014. http://eprints.nottingham.ac.uk/14461/.
Texto completoGebrehiwet, Yemane Fisseha. "Modelling agricultural input expenditure in a multi-market modelling framework". Thesis, University of Pretoria, 2010. http://hdl.handle.net/2263/25139.
Texto completoThesis (DCom)--University of Pretoria, 2011.
Agricultural Economics, Extension and Rural Development
unrestricted
Deshmukh, Pushkaraj M. "Modelling error estimation and adaptive modelling of functionally graded materials". Cincinnati, Ohio : University of Cincinnati, 2004. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=ucin1096036755.
Texto completoNilsson, Cecilia. "Modelling of Dynamically Loaded Shotcrete". Thesis, KTH, Betongbyggnad, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-36923.
Texto completoBrignoni, Jimmy. "Modelling transfer processes /". [S.l.] : [s.n.], 2009. http://www.ub.unibe.ch/content/bibliotheken_sammlungen/sondersammlungen/dissen_bestellformular/index_ger.html.
Texto completoLamberti, Giuseppe. "Modelling with heterogeneity". Doctoral thesis, Universitat Politècnica de Catalunya, 2015. http://hdl.handle.net/10803/309295.
Texto completoCuando se realiza un estudio científico, el análisis hace énfasis sobre las variables recogidas para responder a las preguntas que se quieren hallar durante el mismo estudio. Sin embargo en muchos análisis se suele recoger más variables, como por ejemplo variables socio demográfico: sexo, status social, edad. Estas variables son conocidas como variables de segmentación, ya que pueden ser útiles en la identificación de posibles fuentes de heterogeneidad. Analizar la heterogeneidad quiere decir realizar distintas análisis para distintos colectivos homogéneos definidos a partir de las variables de segmentación. Muchas veces, si hay algún conocimiento previo, esta heterogeneidad puede ser controlada mediante la definición de segmentos a priori. Sin embargo no siempre se dispone de conocimiento suficiente para definir a priori los grupos. Por otro lado muchas variables de segmentación podrían ser disponibles para analizar la heterogeneidad de acuerdo con un apropiado algoritmo. Un algoritmo desarrollado con este objetivo fue PATHMOX, propuesto por Gastón Sanchez en 2009. Esta técnica, utilizando particiones recursivas, produce un árbol de segmentación con distintos modelos asociados a cada nodo. Para cada nodo, PATHMOX busca entre todas las variables de segmentación aquella que produce una diferencia máxima entre los modelos de los nodos hijos. Tomando como punto de partida el trabajo de Gastón Sanchez esta tesis se propone: 1. Extender PATHMOX para identificar los constructos responsables de la diferencias. PATHMOX nos permite detectar distintos modelos en un data-set sin identificar grupos a priori. Sin embargo, PATHMOX es un criterio global. Pera identificar las distintas ecuaciones y coeficientes responsables de las particiones, introduciremos los test F-block y F-coefficient. 2. Extender PATHMOX para solucionar el problema de la invariancia. En el contexto del PLS-PM (Partial Least Squares Path Modeling), PATHMOX funciona fijando las relaciones causales entre las variables latentes y el objetivo es identificar modelos con coeficientes path lo más posible distintos sin poner ninguna restricción sobre el modelo de medida. Por lo tanto, cada vez que una diferencia significativa es identificada, y dos nodos hijos vienen definidos, las relaciones causales entre las variables latentes son las mismas en ambos modelos "hijos", pero la estimación de cada variable latente se recalcula y no podemos estar seguros de comparar el comportamiento de dos individuos distintos que pertenecen a dos nodos diferentes. Para resolver este problema propondremos un test de invariancia basado en la distribución X^2, donde el objetivo del test es verificar si los modelos de cada nodo terminales se puede considerar igual o no entre ellos. 3. Extender PATHMOX para superar la hipótesis paramétrica del F-test. Una crítica a PATHMOX, aplicadas en el contexto del PLS-PM, es que el algoritmo utiliza una prueba paramétrica, basada en la hipótesis de que los residuos tienen una distribución normal, para comparar dos modelos estructurales. Para superar este límite, extenderemos el test para comparar dos regresiones robustas LAD en el contexto del PLS. 4. La generalización del algoritmo PATHMOX a cualquier tipo de metodología. El algoritmo PATHMOX ha sido propuesto para analizar la heterogeneidad en el contexto PLS-PM. Sin embargo, este algoritmo se puede aplicar a muchos otros tipos de metodologías de acuerdo con un apropiado criterio de partición. Para generalizar PATHMOX consideraremos tres escenarios distintos: modelos de regresión (modelos OLS, LAD, GLM) y el análisis en componentes principales. 5. Implementar la metodología, utilizando el software R como librería específica.
Larsson, Johan. "Modelling a memory". Thesis, Linköping University, Department of Electrical Engineering, 2002. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-1028.
Texto completoThe purpose of this master thesis is to describe the work behind the building of a scalable model of a memory designed at Zarlink Semiconductor AB. This model is to be part of a memory generator and used to extract timing parameters for all available memory sizes instead of simulating the layout, as layout simulation takes too much time.
The report starts with the basic theory of passive circuit elements that has to be considered in a model and what effect these elements have on functionality and robustness of the design. There’s also a short chapter on how to layout for optimisation towards high speed, minimal area or low power consumption.
After that, the work behind three different models of a memory is described. The models are a skeletal model, a mixed-mode model and a digital model. The skeletal model was the only one that could be finished and this model is then evaluated and compared to a simulation made on the original layout of the memory.
Included in the description of the mixed-mode and digital models are a description of how you characterise cells and how you include power information in digital simulation.
At the end there’s a short chapter on the future of modelmaking.
Björklund, Oscar. "Modelling of failure". Thesis, Linköping University, Department of Management and Engineering, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-11466.
Texto completoThis report is a review of some failure models today used for determine failure in thin sheets of high strength steels. Focus has been given on phenomenlogical models and only some simple simulations have been carried out. The phenomenlogical models that have been summarized here are of four different categories, namely stress based, strain based, combined stress and strain based and damaged models. However, the simulations have only been preformed for some of the models.
Meier, Stefanie. "Identifying Modelling Tasks". Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2012. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-80629.
Texto completoOzkan, Erhun. "Stochastic Inventory Modelling". Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/3/12612097/index.pdf.
Texto completoBrännström, Åke. "Modelling animal populations". Doctoral thesis, Umeå universitet, Matematik och matematisk statistik, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-205.
Texto completoSprague, Daniel Alexander. "Modelling health behaviour". Thesis, University of Warwick, 2015. http://wrap.warwick.ac.uk/77458/.
Texto completoSheikh, Irfan. "Modelling power prices". Thesis, Imperial College London, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.529355.
Texto completoYeung, William Wai-Hung. "Modelling stalled airfoils". Thesis, University of British Columbia, 1990. http://hdl.handle.net/2429/31120.
Texto completoApplied Science, Faculty of
Mechanical Engineering, Department of
Graduate
Lewis-Bowen, J. "Modelling grid architecture". Thesis, University College London (University of London), 2007. http://discovery.ucl.ac.uk/1445669/.
Texto completoMickael, Michel Edwar Khalil. "Modelling baroreceptors function". Thesis, Durham University, 2012. http://etheses.dur.ac.uk/3901/.
Texto completoRobbins, Lynda E. "Modelling cryptographic systems". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp02/NQ31163.pdf.
Texto completoBredenberg, Johan. "Modelling biomolecular interactions /". Stockholm, 2003. http://diss.kib.ki.se/2003/91-7349-571-9.
Texto completoHutcheson, Kenneth Andrew. "Geomagnetic field modelling". Thesis, University of Cambridge, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.385503.
Texto completoLeith, Miguel Francis. "Modelling linguistic events". Thesis, Imperial College London, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.299691.
Texto completoMarchant, Ben. "Modelling cell invasion". Thesis, University of Oxford, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.365294.
Texto completoHöfer, Thomas. "Modelling Dictyostelium aggregation". Thesis, University of Oxford, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.320227.
Texto completoHall, R. J. "Modelling fungicide resistance". Thesis, University of Cambridge, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.599864.
Texto completoBiswas, P. "Inclusive user modelling". Thesis, University of Cambridge, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.596672.
Texto completoTse, Jonathan. "Market microstructure modelling". Thesis, University of Oxford, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.540272.
Texto completoBennett, Donald John. "Semiconductor process modelling". Thesis, University of the West of Scotland, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.259677.
Texto completoAxt, Konstantin. "Modelling pre-rRNA". Thesis, University of Edinburgh, 2013. http://hdl.handle.net/1842/7746.
Texto completoCrapper, Martin. "Fluid mud modelling". Thesis, University of Liverpool, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.318237.
Texto completoMorrell, Kevin. "Modelling employee turnover". Thesis, Loughborough University, 2002. https://dspace.lboro.ac.uk/2134/6794.
Texto completoTighe, Stephen Patrick. "Macroscopic dislocation modelling". Thesis, University of Oxford, 1992. http://ora.ox.ac.uk/objects/uuid:e4f00d59-71b0-43c0-b141-0bb7e6108fff.
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