Academic literature on the topic 'Réseau tridimensionnel'
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Journal articles on the topic "Réseau tridimensionnel"
Lauwers, F., F. Cassot, R. Lopez, J. Moscovici, and J. Guitard. "Méthode d’évaluation quantitative tridimensionnelle des réseaux microvasculaires." Morphologie 90, no. 289 (June 2006): 91. http://dx.doi.org/10.1016/s1286-0115(06)74415-0.
Full textSchanne-Klein, Marie-Claire. "L’imagerie multiphoton des peaux naturelles et synthétiques. Un nouvel outil pour l’évaluation des produits cosmétiques." Photoniques, no. 88 (September 2017): 21–24. http://dx.doi.org/10.1051/photon/20178821.
Full textResnik, Salomon. "Transfert entre multiplicité et groupalité." Revue de psychothérapie psychanalytique de groupe 12, no. 1 (1989): 9–19. http://dx.doi.org/10.3406/rppg.1989.1011.
Full textMomplot, Adrien, Gislain Lipeme Kouyi, Jean-Luc Bertrand-Krajewski, Emmanuel Mignot, and Nicolas Riviere. "Modélisation tridimensionnelle des écoulements multiphasiques en régime instationnaire au droit d’ouvrages spéciaux présents en réseau d’assainissement : performances des modèles et analyse de sensibilité." La Houille Blanche, no. 4 (August 2013): 16–24. http://dx.doi.org/10.1051/lhb/2013028.
Full textNero, Marcelo Antonio, Rodrigo Amaral Lapa, and Simone Sayuri Sato. "Proposta de uma metodologia economica para o desenvolvimento de SIG 3D." Revue Française de Photogrammétrie et de Télédétection, no. 198-199 (April 21, 2014): 71–77. http://dx.doi.org/10.52638/rfpt.2012.74.
Full textDjroh, Simon Pierre, Ehui Beh Jean Constantin Aka, Yacouba Ouattara, Serge P. Dégine Gnoleba, Yaba Mariana Aimée Ahade, and Loukou Nicolas Kouame. "Tomographie électrique et estimation des réser ves de Granite pour une exploitation de carrière à Brofodoume, Sud-Est de la Côte d’Ivoire." Journal of the Cameroon Academy of Sciences 18, no. 2 (October 24, 2022): 437–46. http://dx.doi.org/10.4314/jcas.v18i2.4.
Full textBrissard, Muriel, Hani Amouri, Michel Gruselle, and René Thouvenot. "Dédoublement et détermination des excès énantiomériques des complexes de ruthéniumII hexacoordinés 〚Ru(bpy)2ppy〛+ et 〚Ru(bpy)2Quo〛+ (bpy = bipyridine, ppy = phénylpyridine, Quo = 8-quinolate) utilisés comme templates dans la construction de réseaux anioniques tridimensionnels." Comptes Rendus Chimie 5, no. 1 (January 2002): 53–58. http://dx.doi.org/10.1016/s1631-0748(02)01305-x.
Full textDissertations / Theses on the topic "Réseau tridimensionnel"
Cafun, Jean-Daniel. "Photomagnétisme dans les analogues cobalt-fer du bleu de prusse : rôle des espèces du réseau tridimensionnel." Paris 11, 2009. http://www.theses.fr/2009PA112007.
Full textOne of the challenges in the field of molecular magnetism is the design of optically and thermally switchable magnetic materials for which various kinds of applications may be feasible. The long-known photomagnetic CoFe Prussian blue analogs (PBA) appear to have great potentials for these technological applications. The photomagnetic properties in Co-Fe PBA were evidenced by Hashimoto et al. Ten years ago. They are due to a photo-induced electron transfer CoIII(LS)-FeII(LS) CoII(HS)-FeIII(LS). Some significant results concerning the formation of photomagnetic CoIII-FeII pairs and the effect of the amount and nature of inserted alkali-metals on the photomagnetic properties of these compounds have been reported. However the phenomenon is not yet totally understood. In order to understand the switching properties in the Co-Fe Prussian blue analogues, we have studied the role play by each chemical species forming the 3D network in the photomagnetic Prussian blue analogue of chemical formula Rb2Co4[Fe(CN)6]3,3•11H2O. The chemical species forming the 3D network are Co ions, [Fe(CN)6] entities and alkali metal ions. The determination of the Co ligand field parameter in the rubidium compound has allowed the understanding of the role of the cyanide ligand. The effect of the substitutions of the Co, [Fe(CN)6] entities and the alkali metal ions have allowed to understand the role played by these species in the photomagnetic properties
Yu, Ning. "Étude de la cinétique de polymérisation radicalaire du styrène dans un réseau tridimensionnel et application à la valorisation de pneus usagés." Thesis, Université de Lorraine, 2015. http://www.theses.fr/2015LORR0277.
Full textThis thesis aims to develop a novel approach to value ground tire rubber (GTR). The latter results from grounding of the rubber part of used tires which retains excellent elasticity. The idea is to take the advantage of its elasticity to toughen brittle polymers such as polystyrene (PS) upon incorporating GTR into them. However, two challenges have to be overcome to realize this idea. (1) Commercial GTR is typically in the form of particles of a few hundreds of micrometers in diameter. However, it has to be at least one to two orders of magnitude smaller when incorporated in a brittle polymer so as to be able to improve its impact resistance. (2) The interfacial adhesion between the polymer and GTR is weak. These two challenges are related to the intrinsic nature of the GTR which is chemically cross-linked. This thesis chooses PS to represent brittle polymers. The approach aiming at toughening it is to polymerize styrene in a free radical manner inside cross-linked GTR particles. This leads to the formation of both free PS and PS that is grafted onto the GTR, denoted as grafted PS. The inclusions of the free PS inside the GTR particles help break them down by mechanical shear in a screw extruder for example and the formation of grafted PS improves the interfacial adhesion between the PS and the GTR. This thesis has developed a comprehensive kinetic model for the polymerization of free PS and that of grafted PS. This model is validated by experimental designs
Lope, Alonso Luis Francisco de. "Développement d'un modèle tridimensionnel couplant sur les approches "milieu poreux équivalent" et "réseau des fractures discrètes" pour la modélisation de l'écoulement dans les massifs fissurés." Paris, ENMP, 1993. http://www.theses.fr/1993ENMP0714.
Full textBiais, Pauline. "Synthèse de copolymères amphiphiles triblocs BAB par PISA-RAFT dans l'eau." Electronic Thesis or Diss., Sorbonne université, 2020. http://www.theses.fr/2020SORUS256.
Full textOver the past decade, the polymerization-induced self-assembly (PISA) has become an efficient tool for the preparation of block-copolymer nanoparticles at high solid contents, in both organic solvents and water. Nonetheless, most of the studied systems are currently based on simple AB diblock copolymers (where A = solvophilic, stabilizer block and B = solvophobic block). Another interesting class of block copolymers are associative BAB triblocks. To the best of our knowledge, very few studies report their synthesis by PISA and the polymerizations are performed in mixtures of alcohol and water. In this work, for the first time, a straightforward strategy to synthesize, in pure water, BAB triblock copolymers through the use of reversible deactivation radical polymerization is developed and studied in details. To this end, an hydrophilic, bifunctional macroRAFT agent of poly(N,N-dimethylacrylamide) with a central benzoic acid group was used in the aqueous dispersion polymerization of diacetone acrylamide. Various morphologies (spheres, fibers and vesicles) could be obtained with good polymerization controls. Moreover, we showed that the particle morphology and colloidal stability strongly depend on the degree of ionization of the central charge in the stabilizer loop. Then, the mechanism of formation of these triblock copolymers during PISA was investigated. Finally, we showed the possibility to form dynamic networks of BAB copolymers – using a one-pot process entirely in water – leading to the formation of thermoresponsive copolymer networks with tunable viscosity
Lauwers, Frédéric. "Etude quantitative tridimensionnelle du réseau micro-vasculaire du cortex cérébral humain." Toulouse 3, 2007. http://thesesups.ups-tlse.fr/173/.
Full textDetailed information on microvascular network anatomy is a requirement for understanding several aspects of microcirculation, including interpretation of haemodynamically based functional imaging methods, but very few quantitative data on the human brain microcirculation are available. The main objective of this study is to propose a new method to analyze this microcirculation. From thick sections of India ink-injected human brain, using confocal laser microscopy, the author developed algorithms adapted to very large data sets to automatically extract and analyze centre lines together with diameters of thousands of brain microvessels within a large cortex area. From this database the global densities, the statistical distributions of diameters and lengths were analysed, separating the tree-like and the net-like parts of the microcirculation. The topological structure of the cerebral arterioles and venules is tree-like, while that of the capillaries is net-like. Because of this essential difference in nature, the topology of these branching or mesh structures must be analyzed separately. To extract a vascular tree from the skeleton, we identified its origin in the sulcus and traced automatically all the paths from this origin through vessels in which resistance to flow is lower than a prescribed value. The branching pattern of the arteriolar and venous trees extracted is best described by the diameter defined Strahler system. Furthermore, our analysis included variations in volume density along the cortical depth and along vectors parallel to the cortical surface. It appears that spatial specificity of fMRI signals at an intracortical level could profit from precise quantitative evaluation of the vascular network suggested by the present anatomic study
Bendaikha, Tahar. "Photopolymérisation réticulante de macromères multifonctionnels : comportement photochimique de réseaux polyacryliques tridimensionnels." Mulhouse, 1986. http://www.theses.fr/1986MULH0016.
Full textLacroix, Marie. "Méthodes pour la reconstruction, l'analyse et l'exploitation de réseaux tridimensionnels en milieu urbain." Thesis, Paris 6, 2017. http://www.theses.fr/2017PA066001/document.
Full textDisasters like the ones that happened in Ghislenghien (Belgium), Ludwigshafen (Germany), or Lyon (France), have been attributed to excavations in the vicinity of gas pipelines. Though pipes are one of the safest methods of transportation for conveying hazardous substances, each year many cases of damage to gas pipes are recorded in France. Most of them are due to works in the vicinity of the networks and some illustrate the lack of reliability of the provided information. Concessionaries have to take stock of the situation and to suggest areas of improvement, so that everyone could benefit from networks becoming safer.To prevent such accidents which involve workers and the public, French authorities enforce two regulations: DT / DICT: reform of the network no-damage by securing the excavations, Multifluide: reform which is interested in securing networks of hazardous events.So, to avoid such accidents or other problems, it is necessary to acquire and control the 3D information concerning the different city networks, especially buried ones.Preventive strategies have to be adopted. That’s why working on the networks and their visualization and risk cartography, taking the blur into account, is a recent and appropriate research. The software applications I develop should help the utility and construction contractors and focus on the prevention of hazardous events thanks to accurate data sets for users and consumers, the definition of a geomatics network but also some methods such as triangulation methods, element modeling, geometrical calculations, Artificial Intelligence, Virtual Reality
Lacroix, Marie. "Méthodes pour la reconstruction, l'analyse et l'exploitation de réseaux tridimensionnels en milieu urbain." Electronic Thesis or Diss., Paris 6, 2017. http://www.theses.fr/2017PA066001.
Full textDisasters like the ones that happened in Ghislenghien (Belgium), Ludwigshafen (Germany), or Lyon (France), have been attributed to excavations in the vicinity of gas pipelines. Though pipes are one of the safest methods of transportation for conveying hazardous substances, each year many cases of damage to gas pipes are recorded in France. Most of them are due to works in the vicinity of the networks and some illustrate the lack of reliability of the provided information. Concessionaries have to take stock of the situation and to suggest areas of improvement, so that everyone could benefit from networks becoming safer.To prevent such accidents which involve workers and the public, French authorities enforce two regulations: DT / DICT: reform of the network no-damage by securing the excavations, Multifluide: reform which is interested in securing networks of hazardous events.So, to avoid such accidents or other problems, it is necessary to acquire and control the 3D information concerning the different city networks, especially buried ones.Preventive strategies have to be adopted. That’s why working on the networks and their visualization and risk cartography, taking the blur into account, is a recent and appropriate research. The software applications I develop should help the utility and construction contractors and focus on the prevention of hazardous events thanks to accurate data sets for users and consumers, the definition of a geomatics network but also some methods such as triangulation methods, element modeling, geometrical calculations, Artificial Intelligence, Virtual Reality
Salomé, Murielle. "Acquisition et quantification d'images du réseau trabéculaire osseux en microtomographie tridimensionnelle utilisant le rayonnement synchrotron." Lyon, INSA, 1998. http://www.theses.fr/1998ISAL0023.
Full textTrabecular bone architecture which determines bone density and its mechanical properties is highly anisotropic and made of trabeculae with an average thickness of 100 microns. As a consequence, the study of this structure ideally requires a high resolution three-dimensional (3D) imaging tool. X-ray tomography which allows reconstructing non-destructively a 3D image of a sample from projections taken at different. Viewing angles is well ml1ted. This work deals with the development of a microtomographic imaging system using synchrotron radiation and dedicated to bone structure studies. Thanks to the properties of synchrotron radiation, the system which we have developed at ESRF, Grenoble, provides 3D images of bone samples in vitro with a spatial resolution around 10 microns. In order to measure morphometric and topological parameters representative of bone structure from these images, we have developed 2D and 3D quantification tools. These parameters have been compared to conventional histomorphometric measurements. The influence of spatial résolution on the evaluation of bone architecture has also been studied, both in simulation and in a real case by comparing measurements performed with our system and with a lower spatial resolution nùcrotomographic scanner. These imaging and quantification tools have been used in a study dealing with the evolution of the structure of trabecular bone with aging. We have also investigated other applications like the study of the structural effects of drugs against osteoporosis and the study of fetal trabecular bone
Pointillart, Fabrice. "Magnétisme et chiralité : des réseaux tridimensionnels à pont oxalate aux chaînes à pont verdazyl." Paris 6, 2005. http://www.theses.fr/2005PA066348.
Full textBook chapters on the topic "Réseau tridimensionnel"
Coqueugniot, Hélène. "Paléo-imagerie par rayons X : une méthode d’exploration transdisciplinaire, de l’archéologie à la chirurgie Hélène." In Regards croisés: quand les sciences archéologiques rencontrent l'innovation, 139–56. Editions des archives contemporaines, 2017. http://dx.doi.org/10.17184/eac.3794.
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