Academic literature on the topic 'Réactif de'
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Journal articles on the topic "Réactif de"
Viollier, E., G. Mignard, G. Sarazin, A. Choouier, G. Roziere, and P. Trameson. "Une sonde photométrique pour l'analyse in situ : Principe, méthode, premiers essais." Revue des sciences de l'eau 6, no. 4 (April 12, 2005): 395–410. http://dx.doi.org/10.7202/705182ar.
Full textBranchu, P., L. Bergonzini, M. Benedetti, J. P. Ambroisi, and J. Klerkx. "Sensibilité à la pollution métallique de deux grands lacs africains (Tanganyika et Malawi)." Revue des sciences de l'eau 18 (April 12, 2005): 161–80. http://dx.doi.org/10.7202/705582ar.
Full textHabti, N., A. Tissent, and N. Benchemsi. "Production d’un nouveau réactif monoclonal anti-AB." Transfusion Clinique et Biologique 10, no. 4 (September 2003): 307–10. http://dx.doi.org/10.1016/s1246-7820(03)00079-x.
Full textJulia, Jean-Thierry, and Emmanuelle Lambert. "Énonciation et interactivité : du réactif au créatif." Communication et langages 137, no. 1 (2003): 30–44. http://dx.doi.org/10.3406/colan.2003.3219.
Full textBram, Georges, Eric Peralez, Jean-Claude NÉgrel, and Michel Chanon. "Victor Grignard et la naissance de son réactif." Comptes Rendus de l'Académie des Sciences - Series IIB - Mechanics-Physics-Chemistry-Astronomy 325, no. 4 (August 1997): 235–40. http://dx.doi.org/10.1016/s1251-8069(97)88283-8.
Full textToulmonde, E., S. Trichet, D. Boudart, and JC Lucas. "P5-10 Évaluation d'un nouveau réactif anti-CMV." Transfusion Clinique et Biologique 5 (April 1998): 90s—91s. http://dx.doi.org/10.1016/s1246-7820(98)80093-1.
Full textDormond, A., C. Möise, A. Elbouadili, and H. Bitar. "Réactivité de la liaison uranium-carbone. Le métallacycle [(Me3Si)2N]2SiMe3 comme réactif de réactif de déplacement chimique de cétones polycycliques." Journal of Organometallic Chemistry 371, no. 2 (July 1989): 175–85. http://dx.doi.org/10.1016/0022-328x(89)88024-6.
Full textRiou, P., Y. Danger, G. Semana, and F. Vérité. "Évaluation d’un réactif monoclonal anti-Vel pour automate Olympus." Transfusion Clinique et Biologique 22, no. 4 (September 2015): 255–56. http://dx.doi.org/10.1016/j.tracli.2015.06.137.
Full textFalcon, M., B. Peyrille, P. Reihac, J. N. Foussard, and H. Debellefontaine. "Oxydation en voie humide de la pollution organique aqueuse par le peroxyde d'hydrogène Procédé « Wet Peroxide Oxidation » (WPO®) Étude de nouveaux catalyseurs." Revue des sciences de l'eau 6, no. 4 (April 12, 2005): 411–26. http://dx.doi.org/10.7202/705183ar.
Full textJanot, C., C. Dubreuil, A. Leblanc, and M. L. Pelladeau-Migueres. "L'Agence du médicament, le réactif de laboratoire et l'harmonisation européenne." Revue Française des Laboratoires 1996, no. 282 (February 1996): 73–76. http://dx.doi.org/10.1016/s0338-9898(96)80248-4.
Full textDissertations / Theses on the topic "Réactif de"
Ji, Wei-Yun. "Développement d'un concept d'agent compatibilisant-traceur réactif visant à étudier l'évolution de la réaction interfaciale et de la morphologie de mélanges de polymères réactifs." Thesis, Université de Lorraine, 2016. http://www.theses.fr/2016LORR0247/document.
Full textPolymer blending is a common method to prepare high-performance polymer materials. However, most polymer pairs are thermodynamically immiscible, leading to phase separation and deterioration in material properties. To overcome such problems, the most common method is reactive compatibilization which is based on the in-situ formation of a graft or block copolymer by interfacial reaction between reactive polymers. This thesis aims at developing a concept of reactive compatibilizer-tracer which will allow using small amounts of reactive compatibilizers to evaluate their compatibilizing efficiency in industrial scale twin screw extruders, on the one hand; and to characterize the mixing performance of a twin screw extruder as a function of process conditions and/or screw profile. Its main contributions are summarized below. 9-(methylaminomethyl) anthracene (MAMA), a fluorescent molecule, is incorporated into a random copolymer of styrene (St) and 3-isopropenyl-?, ?’-dimethylbenzene isocyanate (TMI), denoted as PS-TMI, to form a reactive compatibilizer-tracer, denoted as PS- TMI-MAMA. The latter serves both as a reactive compatibilizer due to its isocyanate moieties and a tracer due to its fluorescent moieites. It is used for polystyrene (PS)/polyamide 6 (PA6) blends to evaluate its compatibilizing efficiency. Compatibilized PS/PA6 blends are processed in a batch mixer and in a twin screw extruder, respectively. In the case of the batch mixer, the amount of the in-situ formed graft copolymer denoted as PS-g-PA6-MAMA increases and the dispersed phase domain diameter (DDD) decreases drastically in the initial period of mixing. As the mixing further proceeds, the number of PA6 grafts of the PS-g-PA6-MAMA increases, resulting in a highly asymmetrical composition of the PS-g-PA6-MAMA which causes thermodynamic instablility at the interface. As a result, it could be pulled out of the interface to the PA6 phase and form micelles. Once it is pulled out of the interface, it will lose its compatibilizing efficiency and the dispersed phase domain diameter increases sharply. Mixing has a dual effect on the reactive compatibilization process. On the one hand, it promotes the interfacial reaction between the PS-TMI-MAMA and PA6. On the other hand, it aggravates the pull out of the resulting PS-g-PA6-MAMA from the interface. The use of small amounts of the reactive compatibilizer-tracer together with transient experiments for RTD allows assessing the evolutions of the reactive compatibilizer-tracer content (CC), the dispersed phase domain diameter (DDD), and the reacted reactive compatibilizer-tracer content (RCC) as a function of residence time in a twin-screw extruder. Based on the above results, the emulsification curve (DDD vs. CC), the RCC vs. CC curve and effective emulsification curve (DDD vs. RCC) are obtained. When the molar mass of the reactive compatibilizer-tracer is fixed, its compatibilizing efficiency increases with increasing TMI content within an appropriate range. When its TMI content is fixed, the interfacial reaction goes faster as the molar mass of the reactive compatibilizer-tracer decreases within a certain range, and the DDD becomes smaller in a shorter time. The effect of degree of fill fixed by the throughput Q/screw speed N ratio is more dominant than that of residence time. As the degree of fill increases, the interfacial reaction increases and the DDD decreases. As the angle of adjacent the kneading block increases, its distributive and dispersive mixing efficiencies increase, resulting in an increase in interfacial area generation and a decrease in DDD on the basis of the same amount of PS-g-PA6-MAMA. On the other hand, as the width of the kneading block increases, the distributive mixing efficiency increases and the dispersive mixing efficiency remains unchanged. Substitution of kneading blocks by reverse ones increase both the distributive and dispersive mixing efficiencies
Riviere, Sylvain. "Optimisation et simulation du rotomoulage réactif." Phd thesis, Paris, ENSAM, 2012. http://pastel.archives-ouvertes.fr/pastel-00838690.
Full textSabit, Souhila. "Les méthodes numériques de transport réactif." Phd thesis, Université Rennes 1, 2014. http://tel.archives-ouvertes.fr/tel-01057870.
Full textJasinski, Lukasz. "Transport réactif en milieux poreux fracturé." Paris 6, 2012. http://www.theses.fr/2012PA066025.
Full textThis work addresses flow and reactive solute transport in fractured porous media on a mesoscopic scale by direct numerical simulations in a discrete fracture model (DFM). The model is three-dimensional. The numerical scheme is based on a finite volume formulation, with implementation of a flux limiting scheme of the SuperBee type in order to minimize numerical dispersion. Particular attention is paid to the triple control volume formulation and exchanges between the porous matrix and the fractures which allow for a precise description of the flow and the transport processes even when the contrast between the fractures and porous matrix transmissivities is high. Various physical situations and applications are studied, ranging from the analysis of the simple cases of passive and reactive transport in the unfractured matrix, transfer between disk shaped fracture to the embedding porous matrix, to more complex ones such as induction between fractures in the porous medium. Finally, full simulations of passive and reactive solute transport in long rods of porous matrix containing percolating or non percolating fracture networks are conducted and analyzed
PORTO, PIMENTA AMILCAR. "Modélisation numérique d'un sillage réactif confiné." Poitiers, 1993. http://www.theses.fr/1993POIT2349.
Full textLevy, Nicolas. "Etude numérique d'un jet diesel réactif." Ecully, Ecole centrale de Lyon, 1997. http://www.theses.fr/1997ECDL0044.
Full textBensetiti, Zouhir. "Compétition réaction-diffusion estimation de la diffusivité effective du réactif et de l'efficacité du catalyseur." Vandoeuvre-les-Nancy, INPL, 1993. http://www.theses.fr/1993INPL134N.
Full textButtay, Romain. "Etude de l'interaction choc/turbulence/combustion en écoulement cisaillé réactif : analyse des jets réactifs fortement sous-détendus." Thesis, Chasseneuil-du-Poitou, Ecole nationale supérieure de mécanique et d'aérotechnique, 2015. http://www.theses.fr/2015ESMA0009/document.
Full textThis dissertation is devoted to the study of sheared supersonic reactive flows and more specifically the dynamics of highly underexpanded jets. Such complex compressible turbulent flow conditions are of praclical interest for scramjets as well as rocket engines applications. Similar condit ions may also be found during the accidentai releases of flammable substances into the atmosphere during high pressure vessel rupture or venting. This work is conducted with a high fidelity computational solver: CREAMS (Compressible Multi-reactive species Solver). It uses high precision numerical schemes third-order Runge Kutta scheme for time integration, plus a combination of seventh and eighth-order centered and WENO schemes for spatial integration. The molecular transport terms and chemical sources terms are handled with the most accurate descriptions, i. e., including detailed transport and chemistry. Inert flow simulations allow to characterize the importance of shock/turbulence interactions with a special emphasis placed on the small-scale scalar mixing. Highly under-expanded reactive hydrogen jet simulations underline the specific difficulties associated to ignition and combustion stabilization even in the presence of an external deposit of energy. Finally, the analysis of the rocket engine igniter jet reveals some specific features of self-ignition phenomena in such non-premixed conditions
Gujisaite, Valérie. "Transport réactif en milieux poreux non saturés." Thesis, Vandoeuvre-les-Nancy, INPL, 2008. http://www.theses.fr/2008INPL056N/document.
Full textThe aim of this work was to study the link between water flow and physical and chemical interactions in soils under variably water flow conditions, in order to improve the prediction of contaminants fate. It deals with understanding how the porous media water content can modify soil reactivity towards contaminants, and assessing the possibility to predict reactivity under unsaturated conditions with reactive solute transport studied in saturated porous media. Various processes were considered: cations exchange calcium-zinc on a model porous media (sand-kaolinite), sorption and desorption of an organic compound on a non polluted soil, transport of priority contaminants such as PAHs on an industrial contaminated soil. In each case, experiments were carried out with soil columns at the laboratory scale under saturated and unsaturated steady-state flow conditions, in order to characterize at first hydrodynamics and then to study the link with reactivity. Modeling of the breakthrough curves was then performed with codes such as CXTFIT. We showed an influence of porous media water content on reactive transport which was different as a function of the interaction. Porous media structure must also be taken into account. Ions exchange on a model porous media was not globally modified by the water content varying in a range close to saturation. On the contrary, higher sorption and lower migration of organic contaminants were observed under unsaturated conditions. Reactive transport of these compounds cannot therefore be predicted under unsaturated conditions with tests performed on saturated porous media which may overestimate transport
Hamidi, Abdelmoumen. "Modélisation et simulation du rotomoulage réactif du polyuréthane." Thesis, Paris, ENSAM, 2015. http://www.theses.fr/2015ENAM0016/document.
Full textReactive Rotational molding (RRM) is a process for manufacturing hollow plastic products with no weld lines, in virtually any shape, size, color and configuration, using biaxial rotation and high temperature. Understanding and modelling of physical phenomena provide a great contribution for process control that is the purpose of a more general program.Firstly, a characterization and the kinetic modeling of the thermoset polyurethane are performed in anisothermal conditions followed by rheological measurements in order to establish rheokinetik model and the the viscoelastic behavior of the reactive system according with RRM conditions.Afterwards, to simulate the RRM, Smoothed Particles Hydrodynamics (SPH) method is applied which is suited method to simulate the fluid flow with free surface such as occurs at RRM. This solver is developed by our team. Modelling and simulating reactive system flow depend on different parameters; the physical phenomena involved are: surface tension force and non-newtonian fluid behavior.The surface tension method has been successfully applied to simulate RRM using SPH solver taking into account free surface tension force. Surface tension force is given explicitly in the current model. After detecting the boundary particles, the interface is locally fitted by using Lagrangian interpolation polynomial or fitting circle in 2D and by using fitting sphere in 3D, respectively. To study the non-newtonian fluid flow during RRM, a power law describes the evolution of the viscosity versus shear rate was adopted to describe the viscoelastic nature of the reactive fluid during its shaping.The implementation of surface tension and viscoelasticity allows us to present the wettability of internal surface of the mold and the spreading of different polymers layers.Keywords : Reactive rotational molding, thermoset polyurethane, rheokinetik, Smoothed Particle Hydrodynamics, surface tension, non-newtonian fluid, simulation
Books on the topic "Réactif de"
Québec (Province). Direction des cours par correspondance, ed. Circuits réactifs: Cours 8021. [Québec]: Gouvernement du Québec, Direction des cours par correspondance, 1987.
Find full textPrud'homme, Roger, ed. Fluides hétérogènes et réactifs: écoulements et transferts. Berlin/Heidelberg: Springer-Verlag, 1988. http://dx.doi.org/10.1007/bfb0036210.
Full textPrud’homme, Roger, ed. Fluides hétérogènes et réactifs: écoulements et transferts. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/3-540-19327-8.
Full textGollnisch, Bruno. La réaction, c'est la vie. Paris: Editions Godefroy de Bouillon, 2003.
Find full textCorbusier, Le. Le Corbusier, le passé à réaction poétique. [Paris]: Caisse nationale des monuments historiques et des sites/Ministère de la culture et de la communication, 1988.
Find full textLacroze, Jean. René Leduc, pionnier de la propulsion à réaction. Clichy: Larivière, 2000.
Find full textRigby, Vincent. Bosnie-Herzégovine: La réaction de la communauté internationale. Ottawa, Ont: Bibliothèque du Parlement, Service de recherche, 1994.
Find full textBook chapters on the topic "Réactif de"
Bährle-Rapp, Marina. "réaction (à)." In Springer Lexikon Kosmetik und Körperpflege, 470. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-71095-0_8779.
Full textDebaty, G. "La protéine C Réactive." In Les biomarqueurs en médecine d’urgence, 63–69. Paris: Springer Paris, 2012. http://dx.doi.org/10.1007/978-2-8178-0297-8_8.
Full textPrud’homme, Roger. "Erratum to: Fluides hétérogènes et réactifs: écoulements et transferts." In Fluides hétérogènes et réactifs: écoulements et transferts, 326–28. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/bfb0121380.
Full textZeghal, K. M., and Z. Sahnoun. "La réaction inflammatoire et le stress oxydant." In Abrégé de physiologie à l’usage des acupuncteurs et des réflexothérapeutes, 47–53. Paris: Springer Paris, 2013. http://dx.doi.org/10.1007/978-2-8178-0361-6_4.
Full textBéné, Marie Christine, Christian Drouet, Sylvain Fisson, Sylvie Fournel, and Estelle Seillès. "L’antigène comme réactif : définition et propriétés." In Méthodes en Immunologie, 3–9. Elsevier, 2020. http://dx.doi.org/10.1016/b978-2-294-76216-1.00001-8.
Full text"L'antigène comme réactif : définition et propriétés." In Méthodes en Immunologie, 9–14. Elsevier, 2014. http://dx.doi.org/10.1016/b978-2-294-74022-0.00001-5.
Full text"Quelques remarques sur Typhon, Seth, Moïse et son âne, dans la perspective d’un dialogue réactif transculturel." In Interprétations de Moïse, 171–85. BRILL, 2010. http://dx.doi.org/10.1163/ej.9789004179530.i-306.30.
Full textSirks, Boudewijn. "Réaction." In Société, économie, administration dans le Code Théodosien, 99–107. Presses universitaires du Septentrion, 2012. http://dx.doi.org/10.4000/books.septentrion.48467.
Full text"Les anticorps comme réactifs." In Méthodes en Immunologie, 15–23. Elsevier, 2014. http://dx.doi.org/10.1016/b978-2-294-74022-0.00002-7.
Full textMalatesta, Errico. "Révolution et réaction." In Ni Dieu ni Maître, 414–16. La Découverte, 2012. http://dx.doi.org/10.3917/dec.gueri.2012.01.0414.
Full textConference papers on the topic "Réactif de"
OBANA, Makiko, Daniel LEVACHER, and Philippe DHERVILLY. "Comportement mécanique de la tangue traitée avec un liant et un produit chimique réactif." In Conférence Méditerranéenne Côtière et Maritime - Coastal and Maritime Mediterranean Conference. Editions Paralia, 2009. http://dx.doi.org/10.5150/cmcm.2009.038-1.
Full textMindrup, Matthew. "La Réaction Poètique of a Prepared Mind." In LC2015 - Le Corbusier, 50 years later. Valencia: Universitat Politècnica València, 2015. http://dx.doi.org/10.4995/lc2015.2015.677.
Full textRojo de Castro, Luis. "METÁFORAS OBSESIVAS: marcas del surrealismo en la construcción del discurso de Le Corbusier." In LC2015 - Le Corbusier, 50 years later. Valencia: Universitat Politècnica València, 2015. http://dx.doi.org/10.4995/lc2015.2015.591.
Full textMassamba, Fidèle, Daniel Levacher, and Salim Mezazigh. "Prise en compte d’un module de réaction corrigé dans la modélisation numérique d’un pieu isolé chargé latéralement à proximité d’une pente." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2006. http://dx.doi.org/10.5150/jngcgc.2006.059-m.
Full textMezazigh, Salim, Daniel Levacher, and A. Dana. "Etude expérimentale de l'effet de groupe et de la densité du massif de sol sur les courbes de réaction P-Y des pieux chargés latéralement." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2000. http://dx.doi.org/10.5150/jngcgc.2000.026-m.
Full textNayl, C., M. Fenelon, S. Catros, and J. C. Fricain. "Hémangioendothéliome intravasculaire végétant lingual : à propos d’un cas." In 66ème Congrès de la SFCO. Les Ulis, France: EDP Sciences, 2020. http://dx.doi.org/10.1051/sfco/20206603004.
Full textLandric, C. "Fracture de l’angle mandibulaire déplacé chez l’enfant : ou réduire ? Quand retirer le matériel ?" In 66ème Congrès de la SFCO. Les Ulis, France: EDP Sciences, 2020. http://dx.doi.org/10.1051/sfco/20206603007.
Full textReports on the topic "Réactif de"
Evans, S. G. Autres Processus Géomorphologiques - Réaction Géomorphologique à la Géodynamique Interne [Chapitre 9: Processus Géomorpholofiques au Canada]. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1989. http://dx.doi.org/10.4095/131649.
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