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Academic literature on the topic 'Fractionnement par couplage fux-force'
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Dissertations / Theses on the topic "Fractionnement par couplage fux-force"
Vauthier, Jean-Claude. "Aspects hydrodynamiques de la modélisation des mécanismes de séparation de particules par la méthode de fractionnement par couplage flux-force." Paris 11, 1997. http://www.theses.fr/1997PA114828.
Full textBayce, Pascal. "Fractionnement par couplage flux force en mode multigravitationnel." Paris 5, 1997. http://www.theses.fr/1997PA05P215.
Full textDugay, Annabelle. "Séparation de particules par la méthode de fractionnement par couplage flux-force (FFF)." Paris 11, 1992. http://www.theses.fr/1992PA114829.
Full textRegazzetti, Anne. "Thermophorèse de particules microniques de silice par la méthode de fractionnement par couplage flux-force avec gradient thermique." Aix-Marseille 3, 2002. http://www.theses.fr/2002AIX30019.
Full textField flow fractionation with thermal gradient is a separation technique which involves both thermophoresis and a non uniform flow profile. The technique was utilized in an attempt to evidence the thermophoretic migration of silica particles (mean diameter 3mm). From a theoretical study the experimental conditions were determinated in such a way to minimize gravitation and hydrodynamics effects. A difference in elution times was observed that prompted to assess the thermophoresis of micrometer size paticles. Experimental parameters (concentration, flow rate, thermal gradient, particle size, particule type) were thoroughly investigated. A methodological approach to estimate the thermophoretic mobility of particles with size, type and driving liquid was carried
Cardot, Philippe. "Séparation de cellules vivantes du sang humain par la technique de fractionnement par couplage flux-force gravitationnelle." Grenoble 2 : ANRT, 1988. http://catalogue.bnf.fr/ark:/12148/cb37612390p.
Full textCardot, Philippe. "Separation de cellules vivantes du sang humain par la technique de fractionnement par couplage flux-force gravitationnelle." Paris 6, 1988. http://www.theses.fr/1988PA066119.
Full textAssidjo, Nogbou Emmanuel. "Etude des aspects mecanistiques et instrumentaux de la technique de fractionnement par couplage flux-force par sedimentation." Paris, Institut national d'agronomie de Paris Grignon, 1998. http://www.theses.fr/1998INAP0038.
Full textBELGAIED, JAMEL EDDINE. "Developpements et applications de la technique de fractionnement par couplage flux-force avec gradient thermique." Paris 6, 1994. http://www.theses.fr/1994PA066032.
Full textSchmitt, Charlène Eva. "Caractérisation de polyacrylamide de hautes masses molaires par fractionnement couplage flux force couplée à la diffusion de la lumière." Thesis, Pau, 2015. http://www.theses.fr/2015PAUU3039.
Full textOne method for optimizing the production of hydrocarbon is based on the injection of water, viscosified by the addition of polymers such as polyacrylamides, in order to enhance the oil extraction (EOR). The viscosifying properties of polymers depend on their molecular masses. The aim of this thesis was therefore to develop new methods for determining wide molecular mass distributions and high dispersity, which are specific characteristics of samples of industrial interest in the oil sector. The analytical strategy used is based on size exclusion chromatography (SEC) and flow field flow fractionation (A4F), coupled to light scattering and refractometer. Model polymers were synthesized by a polymerization process by reversible addition fragmentation chain transfer (RAFT/MADIX). This allowed to obtain polymers in a range of molar masses between 103 and 107 g / mol and with a dispersity lower than 1.4. Through the use of these polymers, the capabilities and limitations of the two separation methods invested were evaluated. The A4F operating conditions were determined and this method has proved to be adapted to the analysis of industrial polymers distributed over 3 decades of molecular masses. Beyond the dimensional analysis, A4F-based coupling also allowed conformational analysis
Chianea, Thierry. "Méthodes de fractionnement par couplage flux-force de sédimentation : contributions instrumentales et méthodologiques aux applications de tri cellulaire." Limoges, 1999. http://www.theses.fr/1999LIMO0024.
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