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Tesis sobre el tema "Stratification"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 25 de julio de 2025

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1

Lere, Audrey Weiss Pierre. "La stratification des composites." [S.l.] : [s.n.], 2008. http://castore.univ-nantes.fr/castore/GetOAIRef?idDoc=43521.

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2

Romero, Juan Pablo Black. "Latino immigration and racial stratification." Thesis, The University of Alabama, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=3639007.

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<p> This dissertation addresses the problem of racial stratification of the Latino community in the United States from the theoretical position of critical race theory. Racial stratification for Latino residents and Latino immigrants is possible in the everyday through a series of practices that allow for persons of the community to contribute to the proliferation of race in American society by rendering race very difficult to address politically. The theoretical analysis of friendship as a form of moral aesthetics in the works of Aristotle, Kant, and Rousseau allows for a theory of race that

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3

Tang, Yanfei. "Stratification in Drying Particle Suspensions." Diss., Virginia Tech, 2019. http://hdl.handle.net/10919/87435.

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This thesis is on molecular dynamics studies of drying suspensions of bidisperse nanoparticle mixtures. I first use an explicit solvent model to investigate how the structure of the dry film depends on the evaporation rate of the solvent and the initial volume fractions of the nanoparticles. My simulation results show that the particle mixtures stratify according to their sizes when the suspensions are quickly dried, consistent with the prediction of recent theories. I further show that stratification can be controlled using thermophoresis induced by a thermal gradient imposed on the drying su

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4

Lavallee, Pierre Carleton University Dissertation Mathematics. "Some contributions to optimal stratification." Ottawa, 1987.

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5

Helmstetter, Craig D. P. "The stratification of political consciousness /." view abstract or download file of text, 2001. http://wwwlib.umi.com/cr/uoregon/fullcit?p3018371.

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Thesis (Ph. D.)--University of Oregon, 2001.<br>Typescript. Includes vita and abstract. Includes bibliographical references (leaves 196-202). Also available for download via the World Wide Web; free to University of Oregon users. Address: http://wwwlib.umi.com/cr/uoregon/fullcit?p3018371.

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6

Du, Juan. "Judgement post-stratification for designed experiments." Columbus, Ohio : Ohio State University, 2006. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1148650477.

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7

Lim, Huay Huay. "Period traveling salesman with customer stratification." Diss., Columbia, Mo. : University of Missouri-Columbia, 2006. http://hdl.handle.net/10355/5857.

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Thesis (Ph. D.)--University of Missouri-Columbia, 2006.<br>The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on August 10, 2007) Vita. Includes bibliographical references.

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8

Caulfield, C. P. "Stratification and buoyancy in geophysical flows." Thesis, University of Cambridge, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.386925.

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9

Li, Hei Philip, and 李曦. "Subphenotype stratification in systemic lupus erythematosus." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2012. http://hub.hku.hk/bib/B48334765.

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Subsets of systemic lupus erythematosus (SLE) patients with distinct patterns of disease manifestations and autoantibody production have been reported, but seldom have these two phenomena been analysed together. Cluster analysis was performed on 1928 Chinese SLE patients based on autoantibody profile and the frequencies of various clinical manifestations were compared between each cluster. Separate association analyses between individual autoantibodies and clinical manifestations, as well as between clinical manifestations, were also performed. This study identifies three separate autoantib

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10

Boxall, S. R. "Thermohaline stratification in the Tyrrhenian Sea." Thesis, University of Liverpool, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.370837.

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11

Al-Khawaja, Imad Mahmoud Shihadeh. "Noninvasive risk stratification after myocardial infarction." Thesis, University of Surrey, 1988. http://epubs.surrey.ac.uk/847183/.

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In order to identify patients with severe coronary artery disease (CAD) and at a higher risk of future cardiac events after uncomplicated myocardial infarction, 105 consecutive patients were studied prospectively. There were 93 men and 12 women with a mean age of 56 +/- 8.2 years. Treadmill testing, exercise radionuclide ventriculography, thallium-201 myocardial imaging and selective coronary arteriography were performed 6-8 weeks after infarction. Patients were grouped into those who had single and multiple vessel disease. Multiple regression analysis of 18 noninvasive indices was carried out

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12

Shalhoub, Joseph. "Risk stratification in atherosclerotic cartoid stenosis." Thesis, Imperial College London, 2011. http://hdl.handle.net/10044/1/9063.

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Introduction: Key trials and a Cochrane systematic review in asymptomatic carotid stenosis have highlighted the need to identify a high-risk subgroup of patients with carotid stenosis who may benefit from intervention. Traditionally, this risk stratification has considered structural imaging and clinical factors. However, using only these approaches, still a significant number of patients are missed. Biological attributes are acknowledged as key determinants of thrombo-embolic events. Functional and hybrid structural-functional imaging, and circulating biomarkers allow exploration of plaque bi

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13

Brainerd, Keith. "Upper ocean turbulence, mixing, and stratification /." Thesis, Connect to this title online; UW restricted, 1995. http://hdl.handle.net/1773/11007.

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14

Sharma, Rajan. "Cardiac risk stratification in renal transplant recipients." Thesis, St George's, University of London, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.423132.

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15

Tae, Yun-Jin. "Leisure constraints multiple hileararchy [sic] stratification perspectives /." Connect to this title online, 2007. http://etd.lib.clemson.edu/documents/1202500372.

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16

Kettley, Nigel Charles. "Gender, stratification, and attainment in further education." Thesis, University of Cambridge, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.615689.

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17

Zavier, Christian Chandrakumar. "Charge stratification for an internal combustion engine." Thesis, University of Canterbury. Mechanical Engineering, 1991. http://hdl.handle.net/10092/6418.

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The effect of charge stratification on the lean mixture combustion in a Ricardo E6 single cylinder, variable compression, spark ignition engine has been investigated. The charge stratification process involved injecting small amounts of pure methane gas into the engine cylinder through a modified spark plug just prior to ignition, at a relatively low pressure. Methane injection timing and methane injection duration (or injection rate) were controlled electronically and varied over a range of values. The charge stratification experiment was performed with two different types of inlet mixture. T

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18

Lloyd, Katherine L. "Machine learning stratification for oncology patient survival." Thesis, University of Warwick, 2017. http://wrap.warwick.ac.uk/107703/.

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Personalised medicine for cancer treatment promises benefits for patient survival and effective use of medical resources. This goal requires the development of predictive models for the identification and implementation of biomarkers for the prediction of patient survival given treatment options. This thesis addresses research questions in this area. The systematic review detailed in Chapter 2 investigates the literature concerning the prediction of resistance to chemotherapy for ovarian cancer patients using statistical methods and gene expression measurements. The range of models used by stu

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19

Pavel, Vera L. (Vera Lynn). "Stratification on the Skagit Bay tidal flats." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/78175.

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Thesis (Ph. D.)--Joint Program in Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Dept. of Mechanical Engineering; and the Woods Hole Oceanographic Institution), 2012.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 79-84).<br>Estuarine density stratification may be controlled primarily by cross-shore processes (analogous to longitudinal control in narrow estuaries), or by both cross- and alongshore processes (typical of coastal plumes). Here field observations and numerical modeling are used to investigate stratification on the

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20

Ruf, François. "Stratification sociale en économie de plantation ivoirienne." Paris 10, 1988. http://www.theses.fr/1988PA100155.

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L'auteur propose une interprétation de l'économie de plantation ivoirienne depuis sa phase minière ou pionnière jusqu'à sa phase de raréfaction des facteurs de production : terre, foret, travail. Le problème de la reproduction ou de la disparition de l'économie de plantation est pose. L'économie de plantation ivoirienne s'est construite sur la rencontre de la terre et du travail, entre ceux qui détenaient initialement la terre, principalement les "autochtones" et ceux qui contrôlaient le travail, principalement les "allogènes". De cette rencontre, le capital est absent. Il y a bien un paradoxe

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21

SHENG, XIAOHUA. "HUMAN POPULATION STRATIFICATION AND GENETIC ASSOCIATION STUDIES." University of Cincinnati / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1196096932.

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22

Gacem, Iyadh. "Sondages : la post-stratification et ses limites." Grenoble 2, 2006. http://www.theses.fr/2006GRE21008.

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L'objectif de cette thèse est de rechercher des approximations suffisamment précises du biais et de la variance d'estimateurs post-stratifiés pour pouvoir ensuite étudier leurs comportements limites. Le travail porte sur l'estimation d'un total selon un plan simple. Le premier chapitre donne ces approximations pour la post-stratification sur un seul critère (ou sur les modalités croisées de plusieurs critères). Les formules sont validées par un échantillonnage dans un fichier réel et sur des situations construites. On peut alors mesurer les effets de l'accroissement de la finesse de la partiti

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23

Grandjean, Vincent. "Stratification logarithmique, determination finie relative, discriminant residuel." Rennes 1, 2000. http://www.theses.fr/2000REN10131.

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On s'interesse aux germes de fonctions lisses (c , r ou c ) a l'origine de k n ou k est r ou c, dont le lieu singulier est analytique. Dans la categorie holomorphe le travail de pellikaan a defini un cadre assez precis pour etudier ce probleme. Dans le cas c , aucune telle etude systematique n'a ete entreprise. Le chapitre 1 rappelle certains resultats classiques de la theorie des singularites des germes d'applications lisses, afin desouligner quels nos objectifs. Le chapitre 2 traite des proprietes de la stratification logarithmique d'un germe d'ensemble analytique coherent en ayant montre au

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24

Varghese, Sibu. "Biomarkers for risk stratification in Barrett's oesophagus." Thesis, University of Cambridge, 2015. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.708774.

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25

Ruf, François. "Stratification sociale en économie de plantation ivoirienne." Lille 3 : ANRT, 1990. http://catalogue.bnf.fr/ark:/12148/cb37618346n.

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26

Korrup, Sylvia Elizabeth. "Mothers and the process of social stratification /." [S.l.] : Interuniversity center for social science theory and methodology, 2000. http://catalogue.bnf.fr/ark:/12148/cb37628685k.

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Proefschrift--Universiteit Utrecht--Utrecht, 2000.<br>Mention parallèle de titre ou de responsabilité : De @invloed van de moeder op het proces van statusverwerving. Résumé en néerlandais. Bibliogr. p. 138-150.

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27

AZZOLLINI, LEO. "Social Stratification, Life Course, and Political Inequality." Doctoral thesis, Università Bocconi, 2021. http://hdl.handle.net/11565/4035715.

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No abstract available<br>The topic of this dissertation is the relationship between social stratification and inequality in electoral participation in European countries, examined from a life course perspective. This participatory inequality across social strata is considered as particularly worrisome by social scientists, due to a potential vicious circle arising between socio-economic and political inequalities. The goal of this dissertation is to contribute to the exploration of said vicious circle, focusing on theoretical perspectives originating in sociology, at the intersection of social

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28

AZZOLLINI, LEO. "Social Stratification, Life Course, and Political Inequality." Doctoral thesis, Università Bocconi, 2021. http://hdl.handle.net/11565/4035714.

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No abstract available<br>The topic of this dissertation is the relationship between social stratification and inequality in electoral participation in European countries, examined from a life course perspective. This participatory inequality across social strata is considered as particularly worrisome by social scientists, due to a potential vicious circle arising between socio-economic and political inequalities. The goal of this dissertation is to contribute to the exploration of said vicious circle, focusing on theoretical perspectives originating in sociology, at the intersection of social

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29

Alburai'Si, Kholoud Mubarak. "Stratification of breast cancer patients : a proteomic approach." Thesis, King's College London (University of London), 2016. https://kclpure.kcl.ac.uk/portal/en/theses/stratification-of-breast-cancer-patients(a8102723-9f21-4495-8401-d3e8ce503968).html.

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Breast cancer represents a heterogeneous collection of different diseases characterized by different pathological and biological features, clinical presentation, clinical behaviour, response to treatment and outcome. In current practice, pathological diagnosis and classification of breast cancer is based mainly on well-established traditional morphologic features. However, morphological features alone do not adequately reveal the molecular heterogeneity and complexity of breast cancer. Still, there are relatively few biomarkers widely used in prognostication in invasive breast cancer and in pr

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30

Lawrie, Andrew. "Rayleigh-Taylor mixing : confinement by stratification and geometry." Thesis, University of Cambridge, 2010. https://www.repository.cam.ac.uk/handle/1810/225125.

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Rayleigh-Taylor instability has been an area of active research in fluid dynamics for the last twenty years, but relatively little attention has been paid to the dynamics of problems where Rayleigh-Taylor instability plays a role, but is only one component of a more complex system. Here, Rayleigh-Taylor instability between miscible fluids is examined in situations where it is confined by various means: by geometric restriction, by penetration into a stable linear stratification, and by impingement on a stable density interface. Water-based experiments are modelled using a variety of techniques

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31

Townsend, Daphne. "Clinical trial of estimated risk stratification prediction tool." Thesis, University of Ottawa (Canada), 2007. http://hdl.handle.net/10393/27926.

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This work presents doctors with a model of the estimated degree of risk of rare and important neonatal outcomes to aid in better decisions and improved allocation of equipment and resources. An extensive list of admission day parameters is reduced to minimum variable sets to create models for outcomes that are relevant to decision-making in the neonatal intensive care unit. Models are applied to a special collection of cases and compared to neonatologists' risk estimates. A comparative analysis of physician's predictions and the models' discrimination abilities highlights areas of success and

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32

Owen, Craig Nielsen Francois. "Cross-cultural analysis of stratification with societal taxonomies." Chapel Hill, N.C. : University of North Carolina at Chapel Hill, 2007. http://dc.lib.unc.edu/u?/etd,1311.

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Thesis (M.A.)--University of North Carolina at Chapel Hill, 2007.<br>Title from electronic title page (viewed Apr. 25, 2008). "... in partial fulfillment of the requirements for the degree of Masters of Arts in the Department of Sociology." Discipline: Sociology; Department/School: Sociology.

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33

Souza, Alejandro Jose Gerardo. "Controls on stratification in the Rhine ROFI system." Thesis, Bangor University, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.387212.

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34

Leslie, Stephen. "Inference of Population Stratification Using Population Genetic Data." Thesis, University of Oxford, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.504423.

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35

Lewis, Kevin. "Stratification in the Early Stages of Mate Choice." Thesis, Harvard University, 2012. http://dissertations.umi.com/gsas.harvard:10477.

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Sociologists have long studied mate choice patterns to understand the shape of stratification systems. Romantic pairing involves intimacy and trust, and is therefore a prime indicator of the extent to which members of different social groupings (race/ethnicity, social class, education, religion) accept each other as social equals. The majority of this literature focuses on marriage, given the commitment marriage implies and the availability of nationally-representative data. In this dissertation, I examine the opposite end of the relationship spectrum: The initial screening and sorting process

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36

Lampard, Richard James. "An empirical study of marriage and social stratification." Thesis, University of Oxford, 1992. http://ora.ox.ac.uk/objects/uuid:fb961361-18b3-4801-bd83-8d2bc5b234d5.

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The dual objectives of this thesis are to assess the merits of certain statistical methods as applied to sociological data and to use statistical methods to produce interesting and worthwhile substantive results. The main statistical focus of the thesis is the analysis of two-way tables, for which purpose association models and correspondence analysis are used. Some of the tables analysed require the application of quasi-association models and association models with more than one dimension. Elsewhere in the thesis a proportional hazards model and various log-linear models are fitted. The subs

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37

Green, Susan Elizabeth. "Risk stratification in hereditary non-polyposis colorectal cancer." Thesis, University of Newcastle Upon Tyne, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.387479.

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38

Noble, Trevor. "Social mobility trends and social stratification in Britain." Thesis, University of Sheffield, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.245787.

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39

Jiang, Jiaxin M. Eng Massachusetts Institute of Technology, and Andrew Steverson. "SKU stratification methods in the consumer products industry." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/112863.

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Thesis: M. Eng. in Supply Chain Management, Massachusetts Institute of Technology, Supply Chain Management Program, 2017.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (page 40).<br>For companies with a large number of Stock Keeping Units (SKUs), it is extremely challenging, if not impossible, to manage the SKUs individually. Therefore, companies stratify SKUs into different classes and manage them by class. Currently, most companies identify SKU stratification based on the single factor of sales volume. This thesis explores more comprehensive analysis methods

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40

Sharples, Jonathan. "Time dependent stratification regions of large horizontal gradient." Thesis, Bangor University, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.304875.

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41

Constantinides, Savvas Sophocles. "Risk stratification for revascularisation in acute ischaemic syndromes." Thesis, University of Leicester, 2005. http://hdl.handle.net/2381/29878.

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Aim of study: PHASE 1: To identify those clinical and simple anatomical variables that could predict early (30 days), medium (6 month) and late (1 year) mortality following Percutaneous Coronary Intervention (PCI) for non ST segment elevation Acute Coronary Syndromes (NSTEACS). To compare outcomes in a contemporary group undergoing Coronary artery Bypass Surgery (CABG) and to examine which clinical variables are related to early mortality. PHASE II: To develop a PCI risk score and apply it to the same database. To then apply the risk score to a separate cohort of patients for validation.;Metho

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42

Khan, Sohail Q. "Risk stratification of myocardial infarction using cardiac peptides." Thesis, University of Leicester, 2008. http://hdl.handle.net/2381/29901.

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We investigated the TIMI risk score, Cardiotrophin-1 (CT-1) myotrophin and MPO in combination with NTproBNP at predicting adverse outcome following AMI. We recruited 596 patients with AMI. Patients were TIMI risk scored. The concentrations of CT-1, myotrophin, MPO and NTproBNP were measured using non-competitive immunoassays. All patients were followed-up for death, recurrent MI, heart failure (HF) and MACE (death, MI and need for urgent revascularisation). Mortality was related to higher TIMI score (p=0.029) and NTproBNP levels (<0.0001). NTproBNP was an independent predictor of mortality (OR

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43

Dmytryshyn, Andrii. "Skew-symmetric matrix pencils : stratification theory and tools." Licentiate thesis, Umeå universitet, Institutionen för datavetenskap, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-87501.

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Investigating the properties, explaining, and predicting the behaviour of a physical system described by a system (matrix) pencil often require the understanding of how canonical structure information of the system pencil may change, e.g., how eigenvalues coalesce or split apart, due to perturbations in the matrix pencil elements. Often these system pencils have different block-partitioning and / or symmetries. We study changes of the congruence canonical form of a complex skew-symmetric matrix pencil under small perturbations. The problem of computing the congruence canonical form is known to

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44

Pieper, Robert Joseph. "Surface Property Modification of Coatings via Self-Stratification." Diss., North Dakota State University, 2010. https://hdl.handle.net/10365/26491.

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Biological fouling occurs everywhere in the marine environment and is a significant problem for marine vessels. Anti-fouling coatings have been used effectively to prevent fouling; however, these coatings harm non-targeted sea-life. Fouling-release coatings (FRC) appear to be an alternative way to combat fouling. FRC do not necessarily prevent the settlement of marine organisms but rather allow their easy removal with application of shear to the coatings surface. These coatings must be non-toxic, non-leaching, have low surface energy, low modulus, and durability to provide easy removal of mari

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45

Plessz, Marie. "Stratification sociale et générations en Europe centrale postcommuniste." Paris, Institut d'études politiques, 2009. http://www.theses.fr/2009IEPP0050.

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La thèse est une étude des inégalités entre cohorte de naissance suite à la sortie du communisme en Pologne, Hongrie et République tchèque. La thèse s'appuie sur des données statistiques variées couvrant les trois pays sur plus de vingt ans. Nous posons un cadre d'analyse des dynamiques générationnelles, de la stratification sociale et du changement social adapté au contexte de la transformation postcommuniste. Puis nous replaçons la transformation dans le temps long des évolutions économiques sociales et démographiques. Ensuite nous montrons comment le marche du travail et la stratification s

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46

Nagata, Koji. "TURBULENCE STRUCTURE AND TRANSPORT PHENOMENA IN DENSITY STRATIFICATION." Kyoto University, 2000. http://hdl.handle.net/2433/151546.

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47

Westfall, R. H. "Objectivity in stratification, sampling and classification of vegetation." Pretoria : [s.n.], 2009. http://upetd.up.ac.za/thesis/available/etd-09032009-212008/.

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48

Landi, Isotta. "Stratification of autism spectrum conditions by deep encodings." Doctoral thesis, Università degli studi di Trento, 2020. http://hdl.handle.net/11572/252684.

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This work aims at developing a novel machine learning method to investigate heterogeneity in neurodevelopmental disorders, with a focus on autism spectrum conditions (ASCs). In ASCs, heterogeneity is shown at several levels of analysis, e.g., genetic, behavioral, throughout developmental trajectories, which hinders the development of effective treatments and the identification of biological pathways involved in gene-cognition-behavior links. ASC diagnosis comes from behavioral observations, which determine the cohort composition of studies in every scientific field (e.g., psychology, neuro

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49

Landi, Isotta. "Stratification of autism spectrum conditions by deep encodings." Doctoral thesis, Università degli studi di Trento, 2020. http://hdl.handle.net/11572/252684.

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This work aims at developing a novel machine learning method to investigate heterogeneity in neurodevelopmental disorders, with a focus on autism spectrum conditions (ASCs). In ASCs, heterogeneity is shown at several levels of analysis, e.g., genetic, behavioral, throughout developmental trajectories, which hinders the development of effective treatments and the identification of biological pathways involved in gene-cognition-behavior links. ASC diagnosis comes from behavioral observations, which determine the cohort composition of studies in every scientific field (e.g., psychology, neuro

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50

Calpe, Linares Miguel. "Etude numérique de la turbulence stratifiée 2D forcée par des ondes internes de gravité." Thesis, Université Grenoble Alpes, 2020. https://tel.archives-ouvertes.fr/tel-02612797.

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Les écoulements océaniques sont composés des tourbillons ayant une grandeéchelle horizontale et des ondes internes de gravité. Le spectre d'énergiecinétique suit le fameux spectre de Garrett et Munk qui est habituellementinterprété comme la signature des ondes internes de gravité. Notre motivationprincipale est donc de reproduire le régime de turbulence observé dans la natureavec un système forcé seulement avec des ondes.Les écoulements stratifiés bidimensionnels (2D) sur une section transversaleverticale diffèrent des écoulements stratifiés tridimensionnels par l'absence devorticité verticale

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