Letteratura scientifica selezionata sul tema "Fonctions de barrière de contrôle"
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Articoli di riviste sul tema "Fonctions de barrière de contrôle"
Pozzar, Marie-Hélène. "De la Grande Muraille à la cybermuraille". Études internationales 43, n. 1 (14 maggio 2012): 89–110. http://dx.doi.org/10.7202/1009141ar.
Testo completoServat, E. "Le splitting pour l'opérateur de Klein–Gordon: une approche heuristique et numérique". Canadian Journal of Mathematics 59, n. 2 (1 aprile 2007): 393–417. http://dx.doi.org/10.4153/cjm-2007-017-3.
Testo completoCaumont, Daniel. "Les niveaux de contrôle en publicité". Recherche et Applications en Marketing (French Edition) 3, n. 4 (dicembre 1988): 1–22. http://dx.doi.org/10.1177/076737018800300401.
Testo completoMeril, Alex. "Problèmes d’Interpolation dans des Espaces d’Ultradistributions de Type Roumieu". Nagoya Mathematical Journal 105 (marzo 1987): 129–46. http://dx.doi.org/10.1017/s0027763000000799.
Testo completoSegula, Irena Prosenc. "Primo Levi commentateur de sa propre résilience". Études littéraires 38, n. 1 (19 marzo 2007): 69–76. http://dx.doi.org/10.7202/014823ar.
Testo completoWirgin, Maïa. "Réflexions sur le contrôle de la gestion publique et ses évolutions possibles". Gestion & Finances Publiques, n. 2 (marzo 2022): 50–53. http://dx.doi.org/10.3166/gfp.2022.2.009.
Testo completoBujold, Stéphane, e Guy Ausloos. "Évaluation du fonctionnement familial : le modèle des fonctions de Guy Ausloos comme données probantes fondées sur la pratique". Thérapie Familiale Vol. 44, n. 3 (13 marzo 2023): 211–22. http://dx.doi.org/10.3917/tf.233.0211.
Testo completoVanhoolandt, Cédric, Charly Mobers e Jim Plumat. "Influence d’un entrainement de courte durée aux fonctions exécutives, et particulièrement au contrôle inhibiteur, sur le changement conceptuel en physique". Neuroeducation 7, n. 1 (2021): 39–61. http://dx.doi.org/10.24046/neuroed.20210701.39.
Testo completoLasserre, Jean-Claude. "Les rôles géopolitiques du Saint-Laurent". Cahiers de géographie du Québec 24, n. 61 (12 aprile 2005): 135–44. http://dx.doi.org/10.7202/021464ar.
Testo completoRorteau, Julie, Fabien P. Chevalier, Bérengère Fromy e Jérôme Lamartine. "Vieillissement et intégrité de la peau". médecine/sciences 36, n. 12 (dicembre 2020): 1155–62. http://dx.doi.org/10.1051/medsci/2020223.
Testo completoTesi sul tema "Fonctions de barrière de contrôle"
Branka, Jean-Éric. "Contrôle des fonctions de la barrière intestinale humaine par le monoxyde d'azote (NO) : apport des cultures primaires pour la modélisation en pharmaco-toxicologie". Nantes, 1998. http://www.theses.fr/1998NANT04VS.
Testo completoMahé, Maxime. "Les cellules gliales entériques : source de 15d-PGJ2 impliquée dans le contrôle des fonctions de la barrière épithéliale intestinale et dans la survie neuronale". Nantes, 2012. http://archive.bu.univ-nantes.fr/pollux/show.action?id=ba16b98a-ec98-410a-9bd2-c92c1942abca.
Testo completoIncreasing evidences suggest that enteric glial cells (EGC) are critical for intestinal epithelial barrier (IEB) functions and enteric neurons survival. EGC effects are currently associated to the release of glial-derived factors. In this context, this work leads to the identification of 15-deoxy-delta12,14 prostaglandin J2 (15d-PGJ2), an !-6 fatty acid derivative, as a new mediator synthetized and secreted by EGC. Results show that both EGC and 15d-PGJ2 inhibit intestinal epithelial cells (IEC) proliferation and promote IEC differenciation through a PPARγ dependant pathway. In addition, our results show a neuroprotective effect of EGC and 15d-PGJ2 on enteric neurons, against an oxidative stress, with the activation of glutathione synthesis, associated to the Nrf2 pathway. Finally, in vivo murine colorectal carcinogenesis was associated with an alteration of glial markers and prostaglandin enzyme expression. An in situ analysis of enteric nervous system, using a method developed in this work, might complete these pathophysiological studies. The pleiotropic effects revealing of this new glial-derived lipidic mediator, the 15d- PGJ2, arise the crucial role of EGC in the neuro-glio-epithelial unit and in digestive function control
Ben, Gadri Rami. "Modélisation numérique du régime luminescent d'une décharge contrôlée par barrière diélectrique et établie à pression atmosphérique". Toulouse 3, 1997. http://www.theses.fr/1997TOU30057.
Testo completoCarli, Nicola de. "Active perception and localization for multi-robot systems". Electronic Thesis or Diss., Université de Rennes (2023-....), 2024. http://www.theses.fr/2024URENS013.
Testo completoIn this thesis, we tackle challenges in the localization of multi-robot systems, focusing on cooperative localization in non-infinitesimally rigid formations with sensing constraints. Our contributions introduce a framework in which the possibly conflicting goals of connectivity maintenance, task execution and the information acquisition are "mediated" using a quadratic program and the control barrier functions and control Lyapunov function formalism. Another contribution of this thesis addresses distributed active localization of multiple moving targets by a group of flying robots using camera-based measurements, while accommodating other tasks if system redundancy permits. Also in this case, the problem formulation utilizes a quadratic program and control barrier functions. Building on the control barrier function and quadratic program framework, we identify and address limitations in the existing state of the art, particularly in distributed control barrier functions. Our modifications result in a controller that converges to the centralized optimal solution. Lastly, we present an observer methodology as a novel contribution, allowing cooperative localization of a multi-robot system in a common frame using body-frame relative measurements
Barros, Viegas Pedro José. "Expression et fonctions cellulaires couplées à la protéine prion PrPc au niveau de la barrière hemato-encéphalique". Paris 7, 2006. http://www.theses.fr/2006PA077018.
Testo completoThe prion protein PrPC is a GPI-anchored sialoglycoprotein, its conformational shift into the pathological form PrPSc being responsible for the prion diseases, transmissible fatal neurodegenerative encephalopathies that affect man (Creutzfeldt-Jakob disease, Fatal Familial Insomnia) and animals (scrapie, bovine spongiform encephalopathy). A number of progresses have been made regarding the implication of PrPSc in transmission and development of prion diseases. Nonetheless, the normal function of PrPC is still ill-defïned. We decided to study the expression and functions of PrPC in brain endothelial cells of the blood-brain barrier (BBB), a physiological barrier that protects the central nervous System and that constitutes a possible entry site for infectious prion. We have shown that PrPC is expressed at the intercellular junctions of brain endothelial cells of the BBB, at raft-like membrane microdomains. As for numerous adhesion molecules, its junctional localization is maintained by homophilic interactions between molecules in adjacent cells. We have also shown that PrPC, if not implicated in immune cell adhesion to the endothelium, is important for the transendothelial migration of monocytes. In addition, it should interact with the junctional proteins PECAM-1 through heparan sulfate proteoglycans. PrPC is also implicated in copper buffering at the cell membrane, and could completely abolish the copper- induced potentialization of cell death induced by homocystein. Taken together, these results show that PrPC is a junctional protein involved in transendotheliale migration and BBB integrity
El, Hajjaji Fatim-Zohra. "Contrôle thermométabolique des fonctions énergétiques : rôle du foie". Amiens, 2008. http://www.theses.fr/2008AMIED014.
Testo completoThe maintenance of homeostasis, which is primordial for the homeotherms, implies various physiological and behavioural functions, such as feeding, sleep and thermoregulation. The concept of thermometabolic command of brown adipose tissue has been introduced by Himms-Hagen (1995). According to this model, the meal is initiated by a transient hypoglycemia (metabolic command) and is stopped when the core temperature reaches 39. 5°C (thermal command). Because the liver is the major site of the energetic metabolism of the nutriments, it may have a major role in the control of food intake. The aim of this thesis was to determine whether the liver is involved in the metabolic and thermal command upon the main functions controlling the energetic homeostasis (food intake, sleep and thermoregulation). In the first study, the hepatic metabolic status has been depressed by an inhibitor of carbohydrate metabolism, whereas, in the second study, the thermal status has been artificially activated by heating the liver with a thermistance. Results show that modifications of the energetic status of the liver induce impairments of food intake and/or vigilance. These effects occur at short- and long- term. These findings confirm the hypothesis that the liver is involved in the energetic homeostasis of the organism
Lagmich, Youssef. "Diagnostic et modélisation d'une décharge à barrière diélectrique pour le contrôle d'écoulement". Toulouse 3, 2007. http://www.theses.fr/2007TOU30285.
Testo completoSurface plasmas can modify the boundary layer of a flow along an airfoil. Several types of plasma actuators are being studied in different laboratories. In aerodynamic applications, these plasma actuators could be used to increase performance and reduce energy consumption, by controlling the transition between laminar and turbulent regimes, reducing drag, controlling lift and reducing noise. The advantages of plasma actuators are their simplicity and the possibility to electrically control the actuator, without moving mechanical pieces. In this work, we have focused on plasma actuators based on surface dielectric barrier discharge (DBDs). The goal was to develop self-consistent discharge models and simple experiments under controlled conditions to understand in detail the physics of the surface DBDs and of the electrohydrodynamic (EHD) force generated in these discharges. We have shown that the EHD force in surface DBDs is of the same nature as the force associated with the "ion wind" in corona discharge. Results show that the EHD force is due to the development of ion clouds generated above the dielectric surface and drifting in the large electric field. The contribution of the current peaks associated with periodic breakdown above the surface to the EHD force is negligible. Both positive and negative ions contribute to the force: positive ions during the positive part of the cycle (when the electrode above the dielectric surface is the anode), negative ions during the negative part of the cycle (cathode above the dielectric surface). The average EHD force per unit length in a surface DBD is on the order of 50 mN/m, with an efficiency of about 0. 2 mN/W. Experiments developed in this work confirm the physical description of the surface DBD provided by the model. The trends predicted by the simulation results are in excellent agreement with available experimental results
Doyen, Luc. "Évolution, contrôle et optimisation de formes". Paris 9, 1993. https://portail.bu.dauphine.fr/fileviewer/index.php?doc=1993PA090025.
Testo completoHavart, Reynald. "Fonctions électroniques non linéaires pour les applications spatiales au dessus de 100 GHz". Lille 1, 1999. https://pepite-depot.univ-lille.fr/LIBRE/Th_Num/1999/50376-1999-97.pdf.
Testo completoPar ailleurs, à l'heure ou quelques multiplicateurs utilisent un composant varactor afin de générer de la puissance à des fréquences proches du Terahertz, nous avons montré à l'aide d'une méthode Monte-Carlo que dans ce cas, le phénomène de saturation en courant doit absolument être pris en compte. Toutefois pour de faibles excursions en tension, la diode SBV prépuits-postpuits peut s'affranchir de cette limitation. C'est sur cette base que nous avons étudié le second étage d'une chaîne de multiplication 83x3x3 GHz. Pour la fonction mélange, notre travail a porté sur l'étude des potentialités d'un mélangeur subharmonique à 560 GHz utilisant un montage antiparrallèle de diodes Schottky. Les premiers calculs ont montré la forte dépendance du gain de conversion en fonction de la résistance série. Ainsi ici encore, de gros efforts technologiques doivent être effectués pour diminuer la valeur de Rs
Urquiza, José Manuel. "Contrôle d'équations des ondes linéaires et quasilinéaires". Paris 6, 2000. http://www.theses.fr/2000PA066544.
Testo completoLibri sul tema "Fonctions de barrière de contrôle"
Poitiers, France) Colloque Poitiers-Nimège (2010. Les fonctions du contrôle en droits français et néerlandais: Actes du Colloque Poitiers-Nimège (4 et 5 juin 2010). Poitiers]: L.G.D.J., 2012.
Cerca il testo completoVaillancourt, Carole. Transformation de la société et reproduction humaine: Regard anthropologique sur l'impact de l'institution, de la science et du service social sur le contrôle des fonctions reproductives. Sudbury, Ont: École de Service Social, Université Laurentienne, 2002.
Cerca il testo completoMah, Ebenezer Paul. Aperçu sur l'organisation actuelle de la profession des huissiers de justice au Cameroun: Les compétences matérielles et territoriales de l'huissier de justice, l'entrée, la cessation, le contrôle des fonctions, la liste des charges occupées et inoccupées d'huissier de justice. Yaoundé: Mah E.P., 2006.
Cerca il testo completoOutil d'évaluation des systèmes de contrôle des aliments: Dimension B – Fonctions de contrôle. FAO et OMS, 2020. http://dx.doi.org/10.4060/ca5346fr.
Testo completoFood and Agriculture Organization of the United Nations. Outil d'évaluation des Systèmes de Contrôle des Aliments: Dimension B - Fonctions de Contrôle. Food & Agriculture Organization of the United Nations, 2020.
Cerca il testo completoDemers, Isabelle. Contrôle de la production de drainage minier acide: Performance d'une barrière à l'oxygène constituée de résidus miniers faiblement sulfureux. Omniscriptum, 2010.
Cerca il testo completoAcosta-Páez, Estefanía. Les autorités de régulation des services publics en France et en Colombie. A cura di Guillaume Mahérault. Editorial Universidad Católica de Colombia, 2021. http://dx.doi.org/10.14718/9789585133822.2021.
Testo completoCapitoli di libri sul tema "Fonctions de barrière de contrôle"
TOUZE, Nathalie. "Fonctions barrière et drainage : installations de stockage de déchets non dangereux et ouvrages hydrauliques". In Les géosynthétiques d’hier à aujourd’hui, 117–49. ISTE Group, 2024. http://dx.doi.org/10.51926/iste.8175.ch4.
Testo completoStoll, Mathieu. "Chapitre VI. Fonctions et fictions du contrôle général des finances". In Servir le Roi Soleil, 151–73. Presses universitaires de Rennes, 2011. http://dx.doi.org/10.4000/books.pur.125391.
Testo completoDERIGENT, William. "Le concept de produit intelligent". In Digitalisation et contrôle des systèmes industriels cyber-physiques, 67–82. ISTE Group, 2023. http://dx.doi.org/10.51926/iste.9085.ch4.
Testo completoKOROLIOUK, Dimitri, e Vladimir S. KOROLIUK. "Approximation de la diffusion des systèmes et réseaux de files d’attente". In Théorie des files d’attente 1, 75–110. ISTE Group, 2021. http://dx.doi.org/10.51926/iste.9001.ch3.
Testo completoDufour, Nicolas, e Imen Yacoub. "Chapitre 68. La gestion de l’inflation normative par les fonctions de contrôle et de conformité". In Traité du management socio-économique, 767–76. EMS Editions, 2021. http://dx.doi.org/10.3917/ems.saval.2021.01.0767.
Testo completoGlowacz, Fabienne, e Michel Born. "Chapitre 6. Les fondements individuels de la délinquance : le développement des conduites agressives et des fonctions d’attachement et de contrôle". In Psychologie de la délinquance, 137–70. De Boeck Supérieur, 2017. http://dx.doi.org/10.3917/dbu.glowa.2017.01.0137.
Testo completoRapporti di organizzazioni sul tema "Fonctions de barrière de contrôle"
Scarpini, Celeste, Oyebola Okunogbe e Fabrizio Santoro. Les promesses et les limites des technologies de l’information dans la mobilisation fiscale. Institute of Development Studies, aprile 2023. http://dx.doi.org/10.19088/ictd.2023.019.
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