Dissertations / Theses on the topic 'Résonance série-série'
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Kuo-Peng, Patrick. "Conception assistée par ordinateur des convertisseurs à résonance série non réversibles." Toulouse, INPT, 1993. http://www.theses.fr/1993INPT086H.
Full textCollomb, Christine. "Modélisation et commande du convertisseur à résonance série non réversible commandé en fréquence." Toulouse, INPT, 1993. http://www.theses.fr/1993INPT047H.
Full textLambert, Alexandrine. "Mécanisme de l'énantiosélectivité des cyclodextrines : illustration dans la série des acides arylalcanoïques." Nancy 1, 1999. http://www.theses.fr/1999NAN12011.
Full textClément, Jean-Louis. "Synthèse et études RPE dans la série des pyrrolines n-oxyde b-phosphorées." Aix-Marseille 3, 1998. http://www.theses.fr/1998AIX30096.
Full textSam, Najat. "Réarrangement en série diterpénique : nouvelles voies d'accès aux squelettes strobane et cléistanthane." Bordeaux 1, 1989. http://www.theses.fr/1989BOR10548.
Full textNya, Omar. "Synthèses et étude structurale par diffraction des rayons X dans la série des bithiazoles." Aix-Marseille 3, 1991. http://www.theses.fr/1991AIX30005.
Full textBayle, Corinne. "Mise au point d'une méthode d'éthérification sélective en série osidique : étude par résonance magnétique nucléaire des molécules amphiphiles synthétisées." Université Joseph Fourier (Grenoble), 1994. http://www.theses.fr/1994GRE10139.
Full textBellahnid, Abderrahim. "Étude et implantation d'une stratégie de commande, à angle de conduction constant du transistor d'un convertisseur à résonance série." Thèse, Université du Québec à Trois-Rivières, 1988. http://depot-e.uqtr.ca/5490/1/000574366.pdf.
Full textSouesme, Bruno. "Contribution à l'étude des lois de commande et du comportement dynamique du convertisseur à résonance série non réversible : commande optimale." Toulouse, INPT, 1990. http://www.theses.fr/1990INPT082H.
Full textSubra, Guy. "Optimisation de structures en série alkylamido-tempo en vue d'une amélioration de la relaxivité en milieu protéique." Montpellier 1, 1996. http://www.theses.fr/1996MON13513.
Full textCastaings, Anna. "Métalloporphyrines obéissantes : Détection et contrôle de la forme moléculaire dans une série de chiroporphyrines bridées." Phd thesis, Université Joseph Fourier (Grenoble), 2006. http://tel.archives-ouvertes.fr/tel-00129098.
Full textBoyer, Michel. "Étude et réalisation d'un ASIC dédié à la commande des convertisseurs à résonance série non réversibles : commande par trajectoire optimale." Toulouse, INPT, 1996. http://www.theses.fr/1996INPT074H.
Full textGuerrin, Clément. "Etude des propriétés de commutation de composés en série indolino-oxazolidine par spectroscopie RMN et calculs DFT." Thesis, Lille 1, 2018. http://www.theses.fr/2018LIL1R024/document.
Full textMolecular systems studied here present an indolino-oxazolidine (Box) moiety and an ethylenic junction (linked to a thienyl residue – Box simple) which are both chemically and photochemically switchable between two states. The switching reactions were followed in solution by 1H NMR spectroscopy in order to characterize the different metastable states. Opening of the Box moiety can be triggered upon acidification or by UV irradiation in chloroform and the reaction is reversible upon neutralization with base. Whatever the closed/open state of the Box moiety is, ethylenic junction trans cis isomerization is photochemically driven by 436 nm irradiation, whereas the reverse reaction is thermally spontaneous. Compounds with two Box moieties and two ethylenic junction linked together by a phenyl or bithienyl aromatic bridge (BiBox) have also been studied and similar switching behavior have been observed between much more states due to the presence of four switchable functions. Thus, the commutation between different states has been shown and most suitable stimulus to convert selectively and almost quantitatively from one state to another have been evidenced. Based on DFT and TDDFT methods, quantum chemistry calculations allowed to characterize molecular and electronic structures of the four switching states for Box simple systems and of some of BiBox and to rationalize some experimental observations. Fluorescence properties being surprisingly observed and so, then emission spectra and corresponding fluorescence quantum yields have been determined. The fluorescence data depend on the open/closed state of the Box moieties, allowing additional properties to these compounds
Seghrouchni, Samira. "Recherches dans la série des tétraazaporphyrinogènes : modifications structurales et étude dynamique : RMN des complexes de ruthénium (II)." Montpellier 2, 1993. http://www.theses.fr/1993MON20011.
Full textMeghni, Abdelhamid. "Synthèse régio ou stéréosélective et étude structurale dans la série des α- et β-hydroxyesters fonctionnels." Rouen, 1990. http://www.theses.fr/1990ROUES040.
Full textCaillierez, Antoine. "Etude et mise en oeuvre du transfert de l'énergie électrique par induction : application à la route électrique pour véhicules en mouvement." Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLC010/document.
Full textInductive power transfer has become a flourishing subject, considering the current geopolitical and environmental situation and the new technological possibilities. The electric road may lead to important and valuable consequences: extended range for electric vehicles and even hybrids, from a simple bonus to an infinite range, depending on the infrastructure set up, down-sized on-board batteries, reduction of the weight and cost of the vehicle and lowered importations of both battery cells and oil for the benefit of local investments .The solution developed uses a magnetic medium for the transfer. Therefore, it involves loosely coupled coils, implying inevitably strong leakage inductances and outstanding associated voltage drops. A new type of DC-DC converter was imagined to answer those issues. It is based on the concept of symmetry; a detailed analysis conducted with phasor diagrams leads to a specific working principle, which has been named the “voltage copying”. Thus, the DC/DC converter designed works with a realistic air-gap of 15 centimeters, a longitudinal tolerance to displacement up to +/-50% and a stable output voltage with low losses despite large coupling variations. And it all works without any communication between the ground part and the mobile part. These results make a dynamic charging seriously worth investigating.It requires to sequence the power supply of a multitude of small coils buried beneath the road surface, at the right time and for the right position. Putting inactive coils in a resonant short-circuit mode enables to use current measures to precisely detect the switching time from one coil to the next. This original solution, free of any position sensor, does not prevent the specific “voltage copying” property and the design principles developed in the first part
Rousseau, Loi͏̈c. "Etude des rehaussements du sein en IRM (à propos de 137 cas issus d'une série de 260 patientes) en pratique médicale courante dans une consultation des maladies du sein." Montpellier 1, 1996. http://www.theses.fr/1996MON11040.
Full textCardinael, Pascal. "Préparation de complexes moléculaires cristallisés dans la série des dérivés de cyclodextrines méthylées et étude des mécanismes de reconnaissance chirale par chromatographie en phase gazeuse." Rouen, 2000. http://www.theses.fr/2000ROUES027.
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