Academic literature on the topic 'Charbon magnétique'
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Journal articles on the topic "Charbon magnétique"
Sfihi, H., A. P. Legrand, and S. Pregermain. "Hydrogénation de charbons : étude par résonance magnétique nucléaire du 13C solide et infra-rouge a transformée de Fourier." Journal de Chimie Physique 85 (1988): 781–88. http://dx.doi.org/10.1051/jcp/1988850781.
Full textFortanier, Etienne, Amira Trabelsi, Ludivine Kouton, Emilien Delmont, Maxime Guye, Bendahan David, and Shahram Attarian. "Neurographie par résonance magnétique quantitative chez des patients atteints d’une neuropathie de Charcot–Marie–Tooth avec mutation dans le gène MPZ." Revue Neurologique 177 (April 2021): S78. http://dx.doi.org/10.1016/j.neurol.2021.02.258.
Full textDissertations / Theses on the topic "Charbon magnétique"
Rocher, Vincent. "Synthèse et caractérisation de billes d'alginate magnétiques pour l'élimination de polluants organiques dans les effluents par séparation magnétique." Paris 6, 2008. http://www.theses.fr/2008PA066504.
Full textFrancoeur, Marckens. "Optimisation des conditions d'élaboration de charbon actifs à partir de biomasse (Sargassum sp. et Galaba Calophilum L.) pour l'adsorption et la dégradation de polluants émergents." Thesis, Antilles, 2022. http://www.theses.fr/2022ANTI0741.
Full textThis study was carried out in order to determine the optimal conditions for synthesisof activated carbons (ACs) derived from Sargassum (sp), which is an invasive alga, andfrom cockle of galba (Galaba calophilum L.) generated after extraction of cosmetic oil.Activated carbons are used for efficient adsorption of pollutant residues such as caffeine(Caf), tetracycline (Tc), penicillin (Pen), erythromycin (Ery) and methylene blue (MB).The preparation of the CAs was performed following a three-factor, two-level Doehlertoptimisation design (pyrolysis temperature, mass ratio of activating agent to precursorand pyrolysis time) followed by response surface methodology. Then ACs giving optimaladsorptions are used to prepare an iron oxide catalytic support by different impregnationmethods. Catalytic effect of magnetic carbons (MAC) was studied for degradation of parachlorobenzoic acid (pCBA) and stability of materials after several cycles of use was tested.Degradation of antiobiotics after saturation of the MAC under ozone was evaluated.The obtained MAC were characterised using different techniques, thermogravimetric analysis, surface chemistry namely pHpzc and acidity/base of surface groups by Boehmmethod, X-ray photoelectron spectroscopy, Fourier transform infrared and X-ray diffraction, textural properties were determined by nitrogen adsorption/desorption measurement,scanning electron microscopy.Adsorption capacities were found to be 329, 579, 150 and 223 mg g-1 on the optimisedsargassum-based AC and 384, 607, 249, 314 mg g-1 on the optimised galba-based AC forCaf, Tc, Pen and MB, respectively. Adsorption measurements on MAC allowed selection ofthe optimum materials for testing the oxidation processes. It is shown that the advancedoxidation process using ozonation coupled with ACs as a catalytic support is effective forthe removal of pollutants with a percentage removal of over 96 % for Ery, and over 99 %for Pen and Tc. These studies have shown a very high stability of some MAC even afterseveral cycles of use for both adsorption and degradation of pollutants
Alexis, Marie. "Effet du feu sur le stockage de carbone dans un écosystème subtropical : dynamique des charbons." Paris 6, 2006. http://www.theses.fr/2006PA066332.
Full textQuilès-Schmit, Fabienne. "Analyse par RMN du carbone-13 assistée par ordinateur de mélanges complexes : application aux essences issues de la transformation des combustibles fossiles et à la caractérisation de polymères acryliques." Nancy 1, 1994. http://docnum.univ-lorraine.fr/public/SCD_T_1994_0357_SCHMIT_QUILES.pdf.
Full textPorquet, Christophe. "Elaboration de charbons actifs magnétisables." Compiègne, 1999. http://www.theses.fr/1999COMP1217.
Full textBook chapters on the topic "Charbon magnétique"
Gordon, Rae Beth. "Chapitre II. Imitation et contagion : le magnétisme à l’hôpital et sur les planches." In De Charcot à Charlot, 51–79. Presses universitaires de Rennes, 2013. http://dx.doi.org/10.4000/books.pur.74618.
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