Dissertationen zum Thema „Taux de perte“
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FENZY, CAROLINE. „Methodes numeriques pour l'evaluation du taux de perte de cellules dans les reseaux atm“. Nice, 1992. http://www.theses.fr/1992NICE4556.
Der volle Inhalt der QuelleBaillet, Victoire. „Étude de l’impact mutationnel d’une perte de méthylation de l’ADN chez Arabidopsis thaliana“. Thesis, Paris Sciences et Lettres (ComUE), 2018. http://www.theses.fr/2018PSLEE041.
Der volle Inhalt der QuelleIn both plants and mammals, DNA methylation plays a pivotal role in ensuring proper genome function and integrity, notably through the epigenetic silencing of transposable elements (TEs). However, as spontaneous deamination of 5- methylcytosine (5mC), which can lead to C>T transitions, is more frequent than that of unmethylated C, DNA methylation is also inherently mutagenic. This higher mutability of 5mC has indeed been proposed to explain the depletion in CpG dinucleotides in mammalian genomes, which are typically methylated at these sites except in socalled CpG islands. Despite this well-characterized effect of DNA methylation, we still lack a comprehensive view of its impact on the whole mutation spectrum in any given organism. Here, I take advantage of a population of so-called epigenetic Recombinant Inbred Lines (epiRILs) established in the flowering plant Arabidopsis thaliana to investigate the impact of DNA methylation on the spectrum of spontaneous mutations genome wide. The epiRIL population derives from a cross between a wild-type individual and a near-isogenic mutation deficient in DNA methylation, and it could be shown that parental differences in DNA methylation are stably inherited for at least 8 generations over >1000 regions across the genome. Building on whole-genome sequencing data available for >100 epiRILs, I performed a thorough characterization of non- TE DNA sequence variants that are either private to one line or segregating in the population, therefore establishing a resource for research groups that make use of the epiRIL population. Based on the pattern of private variants, I show a specific reduction in the rate of C>T transitions in the epiRILs, in line with the heritable hypomethylation in this population. I also describe that the extensive TE remobilisation at play among the epiRILs shapes the spectrum of short insertions and deletions yet does not translate into recurrent large-scale mutation events. On another note, I also present methodological developments aimed towards the identification of causal (epi)variants underlying so-called “epigenetic QTL” (quantitative trait loci) previously described in the epiRIL population
Huynh, Le Xuan. „Hydrodynamique et transfert de matière diphasique et triphasique dans un réacteur à haut taux de cisaillement“. Compiègne, 1988. http://www.theses.fr/1988COMPD097.
Der volle Inhalt der QuelleArguin, Hélène. „Effets du taux de perte de poids suite à un programme de perte de poids de 5 semaines sur les changements de la composition corporelle et du profil métabolique chez des femmes post-menopausées, obèses et sédentaires“. Mémoire, Université de Sherbrooke, 2006. http://savoirs.usherbrooke.ca/handle/11143/758.
Der volle Inhalt der QuelleBouret, Jean-Claude. „Formation des raies dans les vents des étoiles Ae/Be de Herbig“. Université Joseph Fourier (Grenoble), 1998. https://tel.archives-ouvertes.fr/tel-00723782.
Der volle Inhalt der QuelleTergny, Guillaume. „Allocation dynamique de portefeuille avec profil de gain asymétrique : risk management, incitations financières et benchmarking“. Phd thesis, Conservatoire national des arts et metiers - CNAM, 2011. http://tel.archives-ouvertes.fr/tel-00629049.
Der volle Inhalt der QuelleMarchand, Marielle. „Gestion de l'eau dans les piles à combustible“. Grenoble INPG, 1998. http://www.theses.fr/1998INPG0142.
Der volle Inhalt der QuelleMathis, Etienne. „Evaluation du risque d'inflammation de gaz imbrûlés au cours d'un incendie en milieu sous-ventilé“. Thesis, Chasseneuil-du-Poitou, Ecole nationale supérieure de mécanique et d'aérotechnique, 2016. http://www.theses.fr/2016ESMA0012/document.
Der volle Inhalt der QuelleAfter the beginning of a fire in a closed room, the oxygen rate in the atmosphere decreases. This implies an incomplete combustion and unburnt gases production. These ones may accumulate in the room or in ventilation pipes, and, after mixing with fresh air, auto-ignite. This could trigger a thermal accident such as backdraft. This present work, conducted for AREVA, aims to analyse this hazard and provide some methods to predict and prevent it. First, a bibliographical research, was carried on to define a mixture’s auto-ignition parameters. This study was based on Frank-Kamenetskii’s model: after establishing the energetics balance between the heat produced by combustion, and the one consumed by conduction, an auto-ignition critical parameter, δC, was defined. It reunites the system’s geometry, temperature (or the room temperature) and composition.Then, the High Density Polythene degradation in a Controlled Atmosphere Cone Calorimeter was studied. The effect on the material’s degradation of under-ventilation and of the energy brought has been tested through the oxygen concentration in the atmosphere and the incident heat flux.During this work many different gas mixtures were analyzed. On the ground of δC formula, the final step was to set the volume, through the radius (characteristic size of the system), as an auto-ignition parameter. Making the concentration of each combustible varying between the LFL and UFL and imposing the temperature allowed to predict this hazard
Ordody, De Ordod Stanislas. „Taux d'intérêt explicite et principe du partage des profits et des pertes le coefficient "q“. Paris 1, 1995. http://www.theses.fr/1995PA010047.
Der volle Inhalt der QuelleBecause of the rigidity of the explicit interest rate, its use doesn't allow the adaptation of the economy to shocks of the environnement. Two complementary financial intermediation systems voluntary renounce to the contractual guarantee on the money reward so that this one becomes completely flexible and related to the effective performance of the 39entreprise activity: * the profit and loss sharing system, defined as negociated percentage of their periodical allocations between the creditor and the debtor, as it is promted by the islamic 41banking system, * the tontines where the price of money results from the confrontation between supply and demand of liquidity. The profit and loss sharing system maintains the principle of return on money lending in accordance with the arbitration rules issued from the liquidity preference. But that return is evaluated exclusively through the internal ratio rate (irr) which concentrates all components of the economical environnement being anticipated and taken into account for the enterpreneurial decision. Thanks to the intermediation of the banks, the profit andd loss sharing system : * eliminates the economical distorsions, as represented by the "q" ratio of tobin, friedman or malinvaud, that are a source of financial "bubbles"; it stabilizes the internal value of weath; the correlation to the explicit interest rate disappears per definition
Ben, Atia Okba. „Plateforme de gestion collaborative sécurisée appliquée aux Réseaux IoT“. Electronic Thesis or Diss., Mulhouse, 2024. http://www.theses.fr/2024MULH7114.
Der volle Inhalt der QuelleFederated Learning (FL) allows clients to collaboratively train a model while preserving data privacy. Despite its benefits, FL is vulnerable to poisoning attacks. This thesis addresses malicious model detection in FL systems for IoT networks. We provide a literature review of recent detection techniques and propose a Secure Layered Adaptation and Behavior framework (FLSecLAB) to fortify the FL system against attacks. FLSecLAB offers customization for evaluating defenses across datasets and metrics. We propose enhanced malicious model detection with dynamic optimal threshold selection, targeting Label-flipping attacks. We present a scalable solution using entropy and an adaptive threshold to detect malicious clients. We explore complex scenarios and propose novel detection against simultaneous Label-flipping and Backdoor attacks. Additionally, we propose an adaptive model for detecting malicious clients, addressing Non-IID data challenges. We evaluate our approaches through various simulation scenarios with different datasets, comparing them to existing approaches. Results demonstrate the effectiveness of our approaches in enhancing various malicious detection performance metrics
POUPARD, JULIE. „Mesure de deux caracteristiques de l'helium metastable importantes pour le refroidissement radiatif : taux de pertes par collisions en presence de lumiere quasi-resonante et taux de transition des raies interdites 2 3p 1-1 1s 0 et 2 3p 2-1 1s 0“. Paris 11, 2000. http://www.theses.fr/2000PA112349.
Der volle Inhalt der QuelleMeunier, Jules. „Le 1 % logement : la participation d'une institution paritaire à la production de l'action publique : genèse, perte de légitimité et reprise en main par l'Etat“. Thesis, Paris Est, 2013. http://www.theses.fr/2013PEST1154/document.
Der volle Inhalt der QuelleBy transferring to public authorities the capacity to decide on the employment(use) of the Participation of the employers in the effort of construction ( PEEC), the law of mobilization for the accommodation(housing) and the fight against social exclusion of March 25th, 2009 transformed in depth the organization of the housing 1 %. The object of the search(research) is to bring to light factors(mailmen) at the origin of such an inflection
Richelle, Isabelle. „Notions et traitements des soldes déficitaires en droit fiscal: aspects nationaux et internationaux, y compris les aspects de droit européen“. Doctoral thesis, Universite Libre de Bruxelles, 1999. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/212043.
Der volle Inhalt der QuelleDhima, Julien. „Evolution des méthodes de gestion des risques dans les banques sous la réglementation de Bale III : une étude sur les stress tests macro-prudentiels en Europe“. Thesis, Paris 1, 2019. http://www.theses.fr/2019PA01E042/document.
Der volle Inhalt der QuelleOur thesis consists in explaining, by bringing some theoretical elements, the imperfections of EBA / BCE macro-prudential stress tests, and proposing a new methodology of their application as well as two specific stress tests in addition. We show that macro-prudential stress tests may be irrelevant when the two basic assumptions of the Gordy-Vasicek core model used to assess banks regulatory capital in internal methods (IRB) in the context of credit risk (asymptotically granular credit portfolio and presence of a single source of systematic risk which is the macroeconomic conjuncture), are not respected. Firstly, they exist concentrated portfolios for which macro-stress tests are not sufficient to measure potential losses or even ineffective in the case where these portfolios involve non-cyclical counterparties. Secondly, systematic risk can come from several sources; the actual one-factor model doesn’t allow a proper repercussion of the “macro” shocks. We propose a specific credit stress test which makes possible to apprehend the specific credit risk of a concentrated portfolio, as well as a specific liquidity stress test which makes possible to measure the impact of liquidity shocks on the bank’s solvency. We also propose a multifactorial generalization of the regulatory capital valuation model in IRB, which allows applying macro-stress tests shocks on each sectorial portfolio, stressing in a clear, precise and transparent way the systematic risk factors impacting it. This methodology allows a proper impact of these shocks on the conditional probability of default of the counterparties of these portfolios and therefore a better evaluation of the capital charge of the bank
Bouvatier, Vincent. „Essais sur le crédit, les banques et l'équilibre macroéconomique“. Phd thesis, Université Panthéon-Sorbonne - Paris I, 2007. http://tel.archives-ouvertes.fr/tel-00226331.
Der volle Inhalt der QuelleLe premier chapitre se focalise sur l'économie de la Chine. D'importantes entrées de capitaux en 2003-2004 se sont traduites par une accumulation à un rythme soutenu de réserves de change. Le premier chapitre cherche ainsi à évaluer l'efficacité des mesures de stérilisation prises par la banque centrale pour parvenir à conserver le contrôle des conditions monétaires domestiques et plus précisément de la progression des crédits.
Le deuxième et le troisième chapitre portent sur la réglementation sur les provisions pour pertes. Dans le deuxième chapitre, un modèle théorique en équilibre partiel d'une firme bancaire représentative est développé. Ce modèle et les simulations réalisées permettent de comparer les effets des différentes règles de provisionnement sur les fluctuations du marché du crédit. Dans le troisième chapitre, une approche empirique est adoptée afin d'évaluer si les pratiques de provisionnement des banques en Europe affectent les variations des crédits distribués.
Le quatrième chapitre s'intéresse aux effets de la politique monétaire sur les taux d'intérêt des crédits. Un modèle structurel de petite taille intégrant des rigidités réelles et nominales est développé. Ce modèle permet d'estimer les rigidités sur les taux d'intérêt des crédits, d'analyser leurs déterminants et d'évaluer leur rôle dans la transmission des effets de la politique monétaire.
Dubecq, Simon. „Stress-Test Exercises and the Pricing of Very Long-Term Bonds“. Phd thesis, Université Paris Dauphine - Paris IX, 2013. http://tel.archives-ouvertes.fr/tel-00871760.
Der volle Inhalt der QuelleLafortune, Edwige. „Violence meurtrière et désordre social dans la perle des Antilles : un portrait des homicides en Haïti“. Thèse, 2016. http://hdl.handle.net/1866/18685.
Der volle Inhalt der QuelleThis study pertains to deadly violence in Haiti, which, according to scholars, has reached an endemic state. However, its homicide rate (10.2 per 100 000 inhabitants) is slightly above the global average. The first objective of the current study is to determine whether this rate, suggested by the United Nations Office on Drugs and Crime (UNODC) represents an under estimation of the total number of homicides being perpetrated in this country. In order to meet this objective, disaggregated data on homicides in Haiti will be presented. Data from the Commission Nationale Épiscopale Justice et Paix (CÉ-JILAP), compiling homicide incidents which took place in 2012 are used (n = 1 133). The information was collected by using a coding sheet, which included information pertaining to victims, suspects and crime motive. The second objective of this project is to present these factors in the Haitian context, and to compare them to the situation in other countries across North America, Latin America and the Caribbean. We used the data and dynamic theory of homicide proposed by the World Homicide Survey (WHS) to this end. Questionnaires were distributed to informants hailing from 11 countries in order to further understand the manifestations of crime in this region. The data from the CÉ-JILAP reveal that the figure proposed by the UNODC is an underestimation of the actual homicide rate in Haiti. The estimated rate would be between 12,5 and 17,9 per 100 000 inhabitants. With regards to the WHS, results show that, compared to other countries, adverse social conditions such as poverty and inequality were very present in Haiti. Furthermore, informants noted a higher frequency of rare forms of homicides, such as lynching and homicides related to witchcraft.
Traore, Cheick Alassane. „Mesure du taux de pertes des sources de crédit et de financement externe dans les cas d'insolvabilité commerciale faisant l'objet d'une procédure de redressement en vertu du droit canadien et analyse exploratoire de la sensibilité de ce taux à divers facteurs“. Thèse, 2014. http://depot-e.uqtr.ca/7558/1/030826427.pdf.
Der volle Inhalt der QuelleTongbong, J. „Conception et évaluation d'une technique de DfT pour un amplificateur faible bruit RF“. Phd thesis, 2009. http://tel.archives-ouvertes.fr/tel-00481911.
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