Academic literature on the topic 'Mélange de composés chimiques'
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Journal articles on the topic "Mélange de composés chimiques"
Karpel Vel Leitner, N., J. De Laat, H. Suty, and M. Doré. "Sous-produits de réaction formés lors de la filtration sur charbon actif de composés phénoliques en présence d'ions chlorite." Revue des sciences de l'eau 8, no. 2 (April 12, 2005): 163–81. http://dx.doi.org/10.7202/705217ar.
Full textOUAAR, Djilali, Aicha MEGHERBI BENALI, Fawzia TOUMI BENALI, Marie-France THÉVENON, Kévin CANDELIER, Luc PIGNOLET, and Jean GÉRARD. "Durabilité naturelle et composition en extractibles du bois de Juniperus oxycedrus subsp. oxycedrus du Nord-Ouest de l’Algérie." BOIS & FORETS DES TROPIQUES 350 (January 4, 2022): 57–69. http://dx.doi.org/10.19182/bft2021.350.a36837.
Full textViollier, 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 textGnimassoun, Edwige-Gwladys Kawojou, Jean Baptiste Djétchi Ettien, and Dominique Masse. "Caractérisation des propriétés physico-chimiques et chimiques d'un compost issu d'un mélange de rafles de palmier et de fientes de volaille au Sud-Ouest de la Côte d’Ivoire." International Journal of Biological and Chemical Sciences 14, no. 1 (April 3, 2020): 289–305. http://dx.doi.org/10.4314/ijbcs.v14i1.24.
Full textKaczmarek, Karolina. "Nomenclalure des composés chimiques." Studia Romanica Posnaniensia 36 (January 1, 2009): 71. http://dx.doi.org/10.14746/strop.2009.36.006.
Full textGOLLION, A., F. CEPPA, and F. MAY. "Toxicité oculaire des agressifs chimiques." Médecine et Armées Vol. 40 No. 3, Volume 40, Numéro 3 (June 1, 2012): 273–80. http://dx.doi.org/10.17184/eac.6616.
Full textCh Papasotiriou, Evangelia, Raihane Ben Abdeljelil, Imane Benhammou, Léa Bertin, Emmanuel Chadeuf, Grégoire Colve, and Nicole Arrighi. "Le mélanome uvéal est-il identique au mélanome cutané ?" médecine/sciences 38, no. 8-9 (August 2022): 729–32. http://dx.doi.org/10.1051/medsci/2022111.
Full textOdeyinka, S. M., T. O. Abegunde, M. O. Ofoegbu, and O. J. Apanisile. "Silage quality, growth performance and haematology of West African dwarf goats fed Moringa oleifera leaves ensiled with cassava peels." Nigerian Journal of Animal Production 48, no. 2 (March 2, 2021): 183–90. http://dx.doi.org/10.51791/njap.v48i2.2940.
Full textDavid, Arthur, Jade Chaker, Luc Multigner, and Vincent Bessonneau. "Exposome chimique et approches « non ciblées »." médecine/sciences 37, no. 10 (October 2021): 895–901. http://dx.doi.org/10.1051/medsci/2021088.
Full textTardivel, Morgan, Florent Colas, and Emmanuel Rinnert. "La spectroscopie Raman pour l’environnement marin." Photoniques, no. 96 (May 2019): 30–33. http://dx.doi.org/10.1051/photon/20199630.
Full textDissertations / Theses on the topic "Mélange de composés chimiques"
Hotel, Olivier. "Algorithmes, méthodes et modèles pour l'application des capteurs à ondes acoustiques de surface à la reconnaissance de signatures de composés chimiques." Thesis, Paris 6, 2017. http://www.theses.fr/2017PA066565/document.
Full textRecently, gas sensor arrays have found numerous applications in areas such as the food, the environment, the medicine and the defenseindustries. Among the existing technologies, the surface acoustic wave technology is one of the most promising and has been the subject of abundant research. The work described in this manuscript concerns the development of algorithms allowing the recognition of chemical compounds and the estimation of their concentration. This study describes a method for estimating the parameters of transduction phenomena. Their interest is demonstrated experimentally in applications consisting in identifying toxic chemical compounds, counterfeit coffee capsules and in detecting the presence of DMMP and 4-NT in the presence of interfering compounds
Hotel, Olivier. "Algorithmes, méthodes et modèles pour l'application des capteurs à ondes acoustiques de surface à la reconnaissance de signatures de composés chimiques." Electronic Thesis or Diss., Paris 6, 2017. http://www.theses.fr/2017PA066565.
Full textRecently, gas sensor arrays have found numerous applications in areas such as the food, the environment, the medicine and the defenseindustries. Among the existing technologies, the surface acoustic wave technology is one of the most promising and has been the subject of abundant research. The work described in this manuscript concerns the development of algorithms allowing the recognition of chemical compounds and the estimation of their concentration. This study describes a method for estimating the parameters of transduction phenomena. Their interest is demonstrated experimentally in applications consisting in identifying toxic chemical compounds, counterfeit coffee capsules and in detecting the presence of DMMP and 4-NT in the presence of interfering compounds
Togbe, Casimir. "Etude cinétique de l'oxydation de constituants de biocarburants et composés modèles : formation de polluants." Phd thesis, Université d'Orléans, 2010. http://tel.archives-ouvertes.fr/tel-00585394.
Full textDiévart, Pascal. "Oxydation et combustion en milieu ultra-pauvre de carburants types gazoles : Étude expérimentale en réacteur agité et modélisation." Thesis, Lille 1, 2008. http://www.theses.fr/2008LIL10136/document.
Full textTo respect the new requirements on exhaust pollutants emissions, it is necessary to develop cleaner and more efficient engines. However the technical development of such engines needs a good knowledge of the oxidation process of common oil fuels. The aim of this work is to build a detailed chemical kinetic reaction mechanism for the combustion of a diesel fuel. A Diesel fuel is a complex mixture of thousands of compounds that cannot be studied individually. Therefore three surrogate fuels were chosen to represent the dominant chemical classes in a Diesel fuel: ndecane for paraffins, n-propylcyclohexane for cycloalkanes and n-butylbenzene for aromatics. The oxidation of these compounds and that of the binary and ternary blends were studied in a Jet-Stirred Reactor at high-pressure (10 bar), over the temperature range 550-1150 K, for different equivalence ratios (0.25-1.50). Concentration proftles of reactants, products and main stable intermediates were obtained by probe sampling and GC-FID-TCD-MS analyses. Then a low- and high-temperature oxidation detailed kinetic mechanism for the 3 selected hydrocarbons and their mixtures was developed and validated against the experimental data of the present work. The kinetic analyses allowed (i) to delineate the main oxidation pathways (peroxidation-isomerisation at low temperature and beyond beta-scission decomposition) (ii) to identify the most sensitive reactions (CO-C2 subset) for the oxidation rate of the fuels
Harfouche, Abha. "Isolement de composés d’intérêt chimique et biologique dans des mélanges complexes." Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLS043.
Full textThis thesis is based on the development of new methods of screening and analysis applied to natural extracts.The first axis of this work consisted in isolating a minoritary molecule in a reaction mixture of a biomimetic synthesis using different techniques including centrifugal partition chromatography (CPC) in pH-zone refining mode. We were able to isolate the nitrarine with a yield of 0.04%, thus allowing to validate the proposed mechanism of its biomimetic synthesis.The second axis of this project is dedicated to the identification in the seeds of Mucuna pruriens (a plant of Indian traditional pharmacopoeia), by bioguided fractionation, the molecules responsible for the antiparkinsonian synergy demonstrated by in vivo studies and clinical trials. For this purpose, the hydroalcoholic extract of M. pruriens seeds was fractionated by chromatography on a silica gel column and the obtained fractions were evaluated in vitro on various biological targets: the dopamine-degrading enzymes (MAO, COMT) and an enzyme implicated in its endogenous synthesis (DDC). Moreover, we have developed a method to detect by mass spectrometry fractions or compounds having an inhibitory activity on these enzymes. From fractions identified as active, we isolated and identified about twenty molecules, from which a dozen are newly described. On the other hand, it was necessary to synthetize some of them due to the amount required by bioassays. Some of these molecules have shown an interesting inhibitory activity against the COMT enzyme
Luciani, Xavier. "Analyse numérique des spectres de fluorescence 3D issus de mélanges non linéaires." Phd thesis, Université du Sud Toulon Var, 2007. http://tel.archives-ouvertes.fr/tel-00287255.
Full textBouchet-Rallet, Emanuelle. "Propriétés olfactives de composés purs et de mélanges : relations avec la structure et la composition chimique." Lyon 1, 1997. http://www.theses.fr/1997LYO10042.
Full textMaître, Alexandre. "Réactivité des mélanges oxydes-carbone dans la synthèse des carbures de titane et de zirconium : aspects cinétiques et technologiques." Limoges, 1998. http://www.theses.fr/1998LIMO0037.
Full textFlores, Flores Rodolfo. "Comportement mécanique du PVC et de mélanges PVC/PMMA : effet de traitements thermiques et de la reticulation chimique." Lyon, INSA, 1994. http://www.theses.fr/1994ISAL0046.
Full textThe purpose of this work is to study the mechanical behavior of PVC at low and high temperature (or deformation) by mechanical spectroscopy and lane strain compression test. Three points are discussed: a) Microstructural changes in PVC during thermal and mechanical treatments which decrease molecular mobility. B) Cross linking of PVC by means of 1,2-ethanedioxydibutyltin: it appears that the flow and deformation of chains are more difficult at high temperatures. C) Introduction of PMMA (PVC/PMMA polymer blends) results in decreasing the activation energy of the beta relaxation, the rubber plateau modulus and the capacity of crystallization of PVC. Results were successfully analyzed by means of a molecular model describing the non-elastic deformation of amorphous polymers at small and high deformations
Guilbert, Emilie. "Une réaction chimique pour le mélange." Thesis, Aix-Marseille, 2020. http://www.theses.fr/2020AIXM0223.
Full textThis thesis tackles the problem of reactive mixing by taking advantage of a new chemical reaction between two transparent reactants producing a fluorescent product in water. The kinetic of this second order reaction can be adjusted by varying reactants concentration, temperature, pH and viscosity of the substrate. A stepwise approach based on a variety of experiments has been adopted: we start with the complete characterization of the chemical reaction, then we continue with the study of diffusion-reaction problems, and finally we investigated the interplay between diffusion,advection and reaction when the substrate is in motion
Books on the topic "Mélange de composés chimiques"
F, Liebman Joel, Greenberg Arthur, and Dolbier William R, eds. Fluorine-containing molecules: Structure, reactivity, synthesis, and applications. New York, N.Y: VCH, 1988.
Find full textJ, Buckingham, ed. Dictionary of organic compounds. 5th ed. London: Chapman and Hall, 1989.
Find full textInterpreting spectra of organic molecules. Mill Valley, Calif: University Science Books, 1988.
Find full textG, Reuben Bryan, and Wittcoff Harold A, eds. Industrial organic chemicals. New York: Wiley, 1996.
Find full textB, Zwanenburg, Mikołajczyk Marian 1937-, and Kiełbasiński Piotr, eds. Enzymes in action: Green solutions for chemical problems. Boston: Kluwer Academic Publishers, 2000.
Find full textBook chapters on the topic "Mélange de composés chimiques"
"Annexe C - Composés chimiques cités." In Biosphère et chimie, 231–40. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-1698-9-022.
Full text"Annexe C - Composés chimiques cités." In Biosphère et chimie, 231–40. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-1698-9.c022.
Full textMENUT, Laurent. "La modélisation de chimie-transport." In Modélisation de la pollution atmosphérique régionale, 125–53. ISTE Group, 2024. http://dx.doi.org/10.51926/iste.9102.ch6.
Full text"Chapitre 1. : L’émergence des formules des composés chimiques." In Naissance de la chimie structurale, 15–38. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-0349-1-002.
Full text"Chapitre 1. : L’émergence des formules des composés chimiques." In Naissance de la chimie structurale, 15–38. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-0349-1.c002.
Full textStebe, Marie-Jose. "Propriétés physico-chimiques des tensioactifs fluorés: comparaison avec les systèmes hydrogénés." In Formulation des composés siliconés et fluorés, 41–55. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-0240-1-004.
Full textStebe, Marie-Jose. "Propriétés physico-chimiques des tensioactifs fluorés: comparaison avec les systèmes hydrogénés." In Formulation des composés siliconés et fluorés, 41–55. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-0240-1.c004.
Full text"10. Une grande variété de nouveaux composés chimiques pour l’anesthésiologie." In Histoire de l'anesthésie, 431–36. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-0305-7-012.
Full text"10. Une grande variété de nouveaux composés chimiques pour l’anesthésiologie." In Histoire de l'anesthésie, 431–36. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-0305-7.c012.
Full textGROS-DÉSORMEAUX, F. "Diversité et propriétés des principales armes chimiques utilisées lors de le Première Guerre mondiale." In Médecine et Armées Vol. 45 No.1, 41–46. Editions des archives contemporaines, 2017. http://dx.doi.org/10.17184/eac.7453.
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