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Academic literature on the topic 'Caractérisation physico-chimique par fluorescence'
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Journal articles on the topic "Caractérisation physico-chimique par fluorescence"
Aubry, Geneviéve, Fabrice Béline, and Paul Lessard. "Fractionnement de la matiére organique du lisier de porc par couplage de la respirométrie et de la modélisation." Water Quality Research Journal 45, no. 4 (November 1, 2010): 403–11. http://dx.doi.org/10.2166/wqrj.2010.040.
Full textWolfgang, Yapo Toussaint, Gbagbo Tchape Aubin, Kpaibe Sawa Andre Philippe, Kouassi-Agbessi Therese Brah, and Amin N’cho Christophe. "Qualité Physico-Chimique Et Bactériologique D’un Système Lotique En Milieu Rural : Cas De La Rivière Gbecheho De Moutcho (Agboville, Cote D’Ivoire)." International Journal of Progressive Sciences and Technologies 40, no. 1 (August 26, 2023): 184. http://dx.doi.org/10.52155/ijpsat.v40.1.5550.
Full textFopi, Remcel Dumont Tazo, Martin Ngankam Tchamba, and Gordon Nwutih Ajonina. "Caractérisation physico-chimique et dendrométrie dans les traitements de régénération de mangrove de l’Estuaire du Cameroun." International Journal of Biological and Chemical Sciences 15, no. 6 (February 23, 2022): 2701–14. http://dx.doi.org/10.4314/ijbcs.v15i6.34.
Full textGerges, T., P. Lombard, B. Allard, and M. Cabrera. "TP découverte : métallisation d’une pièce en polymère." J3eA 21 (2022): 1017. http://dx.doi.org/10.1051/j3ea/20221017.
Full textDjeddi, Fadila, Mouloud Mohellebi, and Ahmed Ouibrahim. "Optimisation des propriétés mécaniques de matériaux polymériques par les mélanges et effet bénéfique du vieillissement thermique." Matériaux & Techniques 107, no. 6 (2019): 604. http://dx.doi.org/10.1051/mattech/2020001.
Full textBodian, Seckou, Mactar Faye, Vincent Sambou, N. Awa Séne, Ibrahima Diaw, and Kory Faye. "CARACTÉRISATION PHYSICO-CHIMIQUE DES MATIÈRES PREMIÈRES ARGILEUSES DE LA CARRIÈRE DE THICKY (SÉNÉGAL) POUR LA FABRICATION DE BRIQUES EN TERRE." Journal de Physique de la SOAPHYS 3, no. 1 (November 15, 2021): CA21A01–1—CA21A01–7. http://dx.doi.org/10.46411/jpsoaphys.2021.01.01.
Full textKoriko, Moursalou, Sanonka Tchegueni, Fouad Alassani, Koffi Agbegnigan Degbe, and Gado Tchangbedji. "Extraction Et Caractérisation Physico-Chimique D’un Sel Végétal À Partir De La Cendre Du Palmier À Huile Du Nord Du Togo." European Scientific Journal ESJ 17, no. 43 (December 31, 2021): 102–15. http://dx.doi.org/10.19044/esj.2021.v17n43p102.
Full textYapo, Wolfgang Toussaint, George Aubin Tchapé Gbagbo, Franck-Renaud Djedjro Meless, Philippe André Sawa Kpaibe, Thérèse Agbessi Kouassi, and Christophe Ncho Amin. "Caractérisation des eaux d’ablutions utilisées dans les lieux d’aisance : cas des toilettes publiques de la commune de Yopougon (Abidjan)." International Journal of Biological and Chemical Sciences 17, no. 4 (September 19, 2023): 1765–77. http://dx.doi.org/10.4314/ijbcs.v17i4.37.
Full textTodedji, Judicaël Nounagnon, Comlan Cyriaque Degbey, Evelyne Soclo, Arouna Yessoufou, Ferdinand Goudjo, Jean Wilfried Hounfodji, Fidele Suanon, and Daouda Mama. "Caractérisation physico-chimique et toxicologique des effluents des Centres Hospitaliers et Universitaires du département du Littoral du Bénin." International Journal of Biological and Chemical Sciences 14, no. 3 (June 19, 2020): 1118–32. http://dx.doi.org/10.4314/ijbcs.v14i3.37.
Full textHanafi, Fatiha, Nadia Sadif, Omar Assobhei, and Mohammed Mountadar. "Traitement des margines par électrocoagulation avec des électrodes plates en aluminium." Revue des sciences de l'eau 22, no. 4 (October 22, 2009): 473–85. http://dx.doi.org/10.7202/038326ar.
Full textDissertations / Theses on the topic "Caractérisation physico-chimique par fluorescence"
Ngoya, Sandra. "Caractérisation physiologique et physico-chimique des Pseudomonas Fluorescens productrices ou non de biosurfactants. Première approche du comportement bioadhésif." Rouen, 2007. http://www.theses.fr/2007ROUES054.
Full textPseudomonas fluorescens is a psychrotrophic ubiquitous bacterium which is found in several environments, including grounds and marine or fresh water and air, but also associated to eukaryote hosts (plants, animals and human). Biosurfactants are a tensioactive class of molecules, structurally varied and synthesised by many micro-organisms. Many studies revealed that biosurfactants have a limiting effect to the bacterial adhesion on surface. Because of the outer membrane constituting the first barrier between the cell and the environment, we studied the effects of biosurfactants on surface membrane physicochemical properties. Surface actives compounds were searched for many Pseudomonas fluorescens strains from various environments such as hospitals, plants and rhizosphere according to the temperature of culture of the bacteria. Several biosurfactants identified in these bacteria are cyclic lipopeptides (CLP). These CLP are mostly known for their antifungal or antibiotic properties on rhizosphere. Our studies revealed many possibilities of CLP production at 17°C, including some unidentified or even discovered yet. This exclusive presence of CLP is independent of the origin of isolation of strains and varies depending on temperature. For bacteria strains producer or not of CLP, morphologic, physiochemical and haemolytic characterization show that biosurfactants, depending on their polarities, might induced many modifications linked to bacteria surfaces parameters. Some studies allowing the bacteria evaluation behaviour during the first stage of adhesion on surfaces, have demonstrated that these intra species changes are associated to the surface composition and also to micro-environment
Gouisset, Emmanuel. "Développement et étude de la réponse instrumentale d'un imageur hyperspectral large bande (UV-Visible-NIR) permettant la caractérisation physico-chimique de contaminants sur surfaces sensibles d’engins orbitaux." Electronic Thesis or Diss., Sorbonne université, 2022. http://www.theses.fr/2022SORUS139.
Full textIn the field of failure analysis and in particular molecular and particulate contamination, being able to detect any trace of contaminants during the integration of an orbital spacecraft is crucial. In this context, fluorescence allows not only to detect but also to discriminate contaminants. For this project, we have therefore developed a broadband hyperspectral instrument (UV-Vis-NIR) from 330 to 1000 nm to be able to detect a wide range of contaminants. It is a catoptric assembly that eliminates chromatic aberrations. The field of view is 3.5° for an angular resolution of 25 arc seconds. It was designed to be portable and its fixed mechanical assembly allows easy optical alignment and rapid creation of calibration files between two scenes. We measured a spectral resolution of 1 nm in the UV range, 2 to 3 nm in the visible range and 5 nm in the NIR range. This allowed us to study the fluorescence response of two epoxy glues, typical sources of orbital spacecraft contamination, and to compare it with a measurement obtained with a commercial instrument. These measurements allowed us to evaluate the performance of our instrument and identify prospects of improvement, especially in terms of sensitivity in UV range
Viguerie, Laurence de. "Propriétés physico-chimiques et caractérisation des matériaux du sfumato." Paris 6, 2009. https://tel.archives-ouvertes.fr/tel-00544509.
Full textDe, Viguerie Laurence. "Propriétés physico-chimiques et caractérisation des matériaux du ‘sfumato'." Phd thesis, Université Pierre et Marie Curie - Paris VI, 2009. http://tel.archives-ouvertes.fr/tel-00544509.
Full textMethenni, Amine. "Caractérisation en ligne du taux de greffage de l'anhydride maléique sur le polypropylène par la spectroscopie de fluorescence." Thesis, Université Laval, 2012. http://www.theses.ulaval.ca/2012/29221/29221.pdf.
Full textAl, Ajami Mohamad. "Caractérisation et déploiement d'un instrument FAGE pour l'étude des processus d'oxydation atmosphériques." Thesis, Lille 1, 2018. http://www.theses.fr/2018LIL1R031/document.
Full textThe hydroxyl radical, OH, the hydroperoxyl radical HO2 (known collectively as HOx) and peroxy radicals RO2, play a key role in the tropospheric chemistry and are intricately related to the chemical cycles that control the concentration of greenhouse gases. Accurate quantification of these three important radicals and investigations on the chemical mechanisms that control their formation and removal in the atmosphere are needed to develop a better understanding of the atmospheric chemistry mechanisms. Different types of instruments have been developed and deployed to quantify HOx radicals in the field such as the FAGE (Fluorescence Assay by Gas Expansion). This technique represents direct measurement of OH and indirect measurement of HO2 radicals by adding NO. However, some RO2 radicals can be potential interferences for HO2 measurements. For UL-FAGE, the conversion efficiency of various RO2 species to HO2 has been investigated and it has been shown that variation of NO allows to selectively detect HO2 and double bound RO2. With similar FAGE instruments, field campaigns have been carried out in remote biogenic environments in the last decade. They have highlighted unidentified interferences in these measurements. In our laboratory, we used our FAGE instrument in controlled conditions to investigate the origin of the interference and we have shown that ROOOH, product of radical-radical reactions in the atmosphere may be responsible. Finally, the UL-FAGE in both configurations (quantification and reactivity) was deployed to a field measurement (LANDEX) in forest environment. Part of the campaign was conducted to an intercomparison between UL-FAGE and LSCE-CRM instruments
Donnet, Christophe. "Caractérisation physico-chimique de céramiques thermomécaniques traitées par implantation ionique." Lyon 1, 1990. http://www.theses.fr/1990LYO10231.
Full textJanati, Idrissi Abderrazak. "Caractérisation physico-chimique des alumines par le concept d'objets fractals." Poitiers, 1988. http://www.theses.fr/1988POIT2305.
Full textFanget, Bernard. "Caractérisation physico-chimique d'acides humiques et étude des interactions pyrène - acides humiques." Chambéry, 2002. http://www.theses.fr/2002CHAMS003.
Full textAbdelmoula, Sami. "Greffage chimique du polyamide 6-6 par des monomères acryliques : caractérisation morphologique et physico-chimique." Lille 1, 1999. https://pepite-depot.univ-lille.fr/LIBRE/Th_Num/1999/50376-1999-299.pdf.
Full textLa deuxième partie de cette étude, concerne la recherche des conditions optimales qui favorisent le greffage par rapport à la réaction parasite d'homopolymérisation. La variation des différents paramètres réactionnels pour chacun des systèmes étudiés montre que la prépondérance de la réaction de greffage n'est possible que si l'homopolymère reste insoluble dans le bain du greffage. Dans le cas contraire, un effet d'auto-accélération favorise les réactions de propagation des macroradicaux de l'homopolymère. Une dernière partie, a été consacrée à l'étude de l’évolution des propriétés tinctoriales des fibres greffées l'appréciation du rendement tinctorial effectuée par spectrocolorimétrie, montre que les échantillons greffés par l'acide méthacrylique et l'acrylamide, manifestent une remarquable affinité tinctoriale en particulier avec les colorants basiques et réactifs