Letteratura scientifica selezionata sul tema "Amélioration de la qualité du mélange"
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Articoli di riviste sul tema "Amélioration de la qualité du mélange":
Elomrani, M., J. M. Brunello, M. Nomine e P. Blazy. "Préparation des mélanges charbon-eau: Effet de la nature du charbon et amélioration de la qualité des suspensions par action sur les propriétés des particules". Powder Technology 57, n. 4 (aprile 1989): 223–34. http://dx.doi.org/10.1016/0032-5910(89)80041-5.
Hervé, P., G. Folléa, J. J. Cabaud e É. Hergon. "Session 13 Amélioration de la qualité (I)". Transfusion Clinique et Biologique 7, n. 3 (gennaio 2000): 305–15. http://dx.doi.org/10.1016/s1246-7820(00)80056-7.
Hergon, É., e N. Coudurier. "Session 17 Amélioration de la qualité (II)". Transfusion Clinique et Biologique 7, n. 3 (gennaio 2000): 322–23. http://dx.doi.org/10.1016/s1246-7820(00)80060-9.
ANDRIEU, J. P., C. DEMARQUILLY e J. ROUEL. "Conservation et valeur alimentaire des ensilages directs de prairies naturelles. Comparaison de trois types de conservateur". INRAE Productions Animales 3, n. 1 (3 febbraio 1990): 67–73. http://dx.doi.org/10.20870/productions-animales.1990.3.1.4362.
Levinson, Wendy, e Brian M. Wong. "Conjuguer développement professionnel continu et amélioration de la qualité". Canadian Medical Association Journal 193, n. 29 (25 luglio 2021): E1151—E1153. http://dx.doi.org/10.1503/cmaj.202797-f.
Turon, Fabrice, Pierre Villeneuve e Michel Pina. "Amélioration de la qualité nutritionnelle des huiles de poissons". Oléagineux, Corps gras, Lipides 11, n. 2 (marzo 2004): 146–49. http://dx.doi.org/10.1051/ocl.2004.0146.
Ratsimbazafy, Voa. "Amélioration continue de la qualité de l’acte d’administration médicamenteuse". Actualités Pharmaceutiques Hospitalières 7, n. 28 (novembre 2011): 1. http://dx.doi.org/10.1016/s1769-7344(11)70380-8.
Clerbaux, Cathy, Anne Boynard, Camille Viatte e Maya George. "Amélioration de la qualité de l'air durant le confinement". La Météorologie, n. 109 (2020): 005. http://dx.doi.org/10.37053/lameteorologie-2020-0036.
Martinez, Mallaury, Paul Fawaz e Bart Vande Vannet. "Satisfaction du patient et qualité de vie après une chirurgie orthognathique primaire : une revue systématique". Revue d'Orthopédie Dento-Faciale 57, n. 3 (settembre 2023): 273–88. http://dx.doi.org/10.1051/odf/2023031.
Catrileo, Daniela. "Une expérience de champurria". Multitudes 91, n. 2 (19 giugno 2023): 210–12. http://dx.doi.org/10.3917/mult.091.0210.
Tesi sul tema "Amélioration de la qualité du mélange":
Yahiat, Feriel. "Analyse des mécanismes d’intensification du mélange et des transferts thermiques par combinaison de méthodes passives dans des écoulements internes tubulaires : application aux réacteurs chimiques continus et aux capteurs solaires". Electronic Thesis or Diss., Ecole nationale supérieure Mines-Télécom Lille Douai, 2023. http://www.theses.fr/2023MTLD0005.
The energy efficiency of thermal components and systems, as well as the improvement and development of new technologies, are major challenges today. In this general context, the work of this thesis is aimed at improving the thermal performance and mixing of multifunctional heat exchanger-reactors, which are more than ever key components. To achieve this goal, a passive intensification technique has been explored, involving the application of two types of macro-wall deformations on the walls of a laminar flow annular tube. The study initially focused on characterizing the secondary flows created by each of the deformations applied separately in order to enhance heat transfer.Subsequently, a combination of successive and alternating radial deformations on the outer wall, coupled with a geometry that induces swirl motion on the inner wall, significantly increased mixing by promoting chaotic advection within the flow. The understanding of the underlying physical mechanisms relied on numerical analysis of local thermal and hydraulic fields, identification of vortical structures, Poincaré sections, as well as the determination of thermo-hydraulic and mixing performance at both global and local levels. An experimental evaluation of hydraulic behavior was also conducted using the residence time distribution method, partially validating the chosen numerical model in this study. Finally, the last part of the study was dedicated to the application of the intensification concepts studied to the case of a concentrated solar thermal collector
Cherifi, Daikha. "Amélioration et évaluation de la qualité des images". Thesis, Paris 13, 2014. http://www.theses.fr/2014PA132053.
The aim of this thesis is to propose new methods for image enhancement based on oriented and multi-scale transforms using some perceptual criteria. The first part of the thesis is devoted to the development of a simple and efficient contrast enhancement method inspired from the human visual system. This method is evaluated on a set of natural color and monochrome images. The obtained results are evaluated subjectively and by using objective measures based on energy spectrum analysis and perceptual criteria. The enhancement technique is also extended to some medical images, such as mammography and endoscopy images. A special contrast enhancement method adapted to mammography is then proposed. It is based on a segmentation process using a priori information on the mammography images. The last part of the thesis is devoted to image enhancement evaluation. A critical literature survey of image enhancement evaluation methods is provided. The evaluation method proposed in this thesis is based on the radial and angular analysis of the Fourier powerspectrum. Another perceptual approach is proposed to evaluate the output. This method is based on the analysis of the visibility map computed by using a pyramidal contrast. The evaluation is performed on some samples taken from two databases. Both subjective and objective evaluations demonstrate the efficiency of the proposed image enhancement methods
Joucla, Emmanuel. "Amélioration de l'efficacité des actions correctives d'un système qualité". Grenoble INPG, 2000. http://www.theses.fr/2000INPG0044.
Tran, Kim Phuc. "Surveillance de procédés de type mélange". Thesis, Nantes, 2016. http://www.theses.fr/2016NANT4047/document.
In industry, Statistical Process Control (SPC) is a set of statistical techniques to monitor, control and improve a process. Among SPC tools, control charts are very useful tools for the detection and the elimination of assignable causes shifting the process. There exist manufacturing environments where several components have to be mixed together to obtain a product composition. In this case, it is necessary to monitor ratios of quality variables when quality practitioners are interested in the relative comparison of the same property for two components. In this thesis, we have tried to systematically propose new control charts for the ratio and for compositional data that have not yet been proposed so far in the literature. Run rules control charts, EWMA control charts, CUSUM control charts and a Shewhart control chart in the presence of measurement error have been proposed for monitoring the ratio. Furthermore, a MEWMA control chart to monitor compositional data has also been proposed. The performance of each control chart has been evaluated and the optimal parameters have systematically been computed. An empirical validation of the results has been developed for real industrial processes
Kompany, Elaheh. "Un nouveau procédé de déshydratation de fruits et légumes : amélioration de la qualité du produit fini". Compiègne, 1990. http://www.theses.fr/1990COMPD278.
Tremillon, Nicolas. "Amélioration de la secrétion hétérologue chez lactococcus lactis". Paris 11, 2009. http://www.theses.fr/2009PA112315.
The lactic acid bacterium Lactococcus lactis is an interesting host to produce, secrete and purify heterologous proteins. INRA built up an expression system and a host strain inactivated for the unique extracellular HtrA protease and in which exported proteins are stable, leading to a better yield and a competitive advantage. INRA system development in partnership with GTP Technology is the objective of my PhD thesis (CIFRE fellowship). To improve the host strain, positive factors able to compensate for HtrA functions: heat shock resistance and the quality control of exported proteins, were looked for. A multicopy suppressor of htrA mutant thermosensitivity was selected: its function is unknown and its effect on heterologous protein production has to be tested. An exported folding factor, a PPIase, was also caracterized, but it had no effect on the proteins that have been tested, suggesting a constitutive housekeeping function. At last, a protein induced in htrA mutant under normal conditions was studied. It is a cell wall stress protein, both induced in the wild type strain by several antibiotics targeting peptidoglycan biosynthesis and essential for cell viability when cells are exposed to bacitracin. Thus, the absence of HtrA not only disturbs envelope proteins, but also the cell wall. This new HtrA function and of the role of the induced protein on cell survival will be further studied. In parallel, the use of the INRA expression system at GTP Technology was also developed. The conditions for the production of a nuclease useful in molecular biology to clarify cell extracts were optimised, and a protein yield of about 200mg/L in mini-fermentors could be reached
Costa, João Lino. "Méthodologie pour une amélioration de la qualité de production au Portugal". Chambéry, 2000. http://www.theses.fr/2000CHAMS004.
Zhu, Shupeng. "Modélisation du mélange des particules dans l’atmosphère". Thesis, Paris Est, 2015. http://www.theses.fr/2015PESC1156/document.
This thesis present a newly developed size-composition resolved aerosol model (SCRAM), which is able to simulate the dynamics of externally-mixed particles in the atmosphere, and it evaluates its performance in three-dimensional air-quality simulations. The main work is split into four parts. First, the research context of external mixing and aerosol modelling is introduced. Secondly, the development of the SCRAM box model is presented along with validation tests. Each particle composition is defined by the combination of mass-fraction sections of its chemical components or aggregates of components. The three main processes involved in aerosol dynamic (nucleation, coagulation, condensation/evaporation) are included in SCRAM. The model is first validated by comparisons with published reference solutions for coagulation and condensation/evaporation of internally-mixed particles. The particle mixing state is investigated in a 0-D simulation using data representative of air pollution at a traffic site in Paris. The relative influence on the mixing state of the different aerosol processes and of the algorithm used to model condensation/evaporation (dynamic evolution or bulk equilibrium between particles and gas) is studied. Then, SCRAM is integrated into the Polyphemus air quality platform and used to conduct simulations over Greater Paris during the summer period of 2009. This evaluation showed that SCRAM gives satisfactory results for both PM2.5/PM10 concentrations and aerosol optical depths, as assessed from comparisons to observations. Besides, the model allows us to analyze the particle mixing state, as well as the impact of the mixing state assumption made in the modelling on particle formation, aerosols optical properties, and cloud condensation nuclei activation. Finally, two simulations are conducted during the winter campaign of MEGAPOLI (Megacities : Emissions, urban, regional and Global Atmospheric POLlution and climate effects, and Integrated tools for assessment and mitigation) in January 2010 where the composition of individual particles was measured. One simulation assumes that particles are internally mixed, while the other explicitly models the mixing state with SCRAM. The simulation results of both bulk concentrations of chemical species and concentrations of individual particle classes are compared with the measurements. Then, the single particle diversity and the mixing-state index are computed using a quantification approach based on information-theoretic entropy, and they are compared to those derived from the measurements at a urban site in Paris: the simulated mixing-state index is equal to 69% against 59% from the measurements, indicating that particles are not internally mixed over Paris
Rolim, Pedro. "Solubilité des constituants d'un mélange de poudres et qualité des granulés obtenus". Montpellier 1, 1992. http://www.theses.fr/1992MON13508.
Gauducheau, Jean-Loup. "Amélioration du fonctionnement d'un moteur alimenté au gaz naturel en mélange pauvre par ajout d'hydrogène". Aix-Marseille 1, 1997. http://www.theses.fr/1997AIX11078.
Libri sul tema "Amélioration de la qualité du mélange":
Vachette, Jean-Luc. Amélioration continue de la qualité S.P.C. Paris: Editions d'organisation, 1990.
Harrigan, MaryLou. En quête de qualité dans les soins de santé canadiens: Amélioration continue de la qualité. 2a ed. Ottawa, Ont: Santé Canada, 2000.
Chevalier, Gilles. Eléments de management public: Le management public par la qualité. La Plaine Saint-Denis: Afnor, 2009.
Glasser, William. Enseigner à l'école qualité. Montréal: Chenelière/McGraw-Hill, 1997.
World Bank. Le système éducatif malien: Analyse sectorielle pour une amélioration de la qualité et de l'efficacité du système. Washington, DC: World Bank, 2010.
Gibson, Judith. Une tradition d'excellence en constante amélioration: Leçons de la Tournée d'étude sur la qualité totale en milieu universitaire. Ottawa, Ont: Conference Board du Canada, 1994.
Coestier, Be ne dicte. E conomie de la qualite. Paris: La De couverte, 2004.
Blank, Ronald. Warranty claims reduction: A modern approach with continuous improvement techniques. Boca Raton: CRC Press, Taylor & Francis Group, 2014.
Hermel, Laurent. L'accueil client. Saint-Denis La Plaine: AFNOR, 2004.
Cattan, Michel. Maîtriser les processus de l'entreprise: Guide opérationnel. 2a ed. Paris: Ed. d'organisation, 1999.
Capitoli di libri sul tema "Amélioration de la qualité du mélange":
Canal, Pierre, e Christine Muller. "Bénéfices et amélioration de la qualité de vie". In Orthodontie des Plus de 50 Ans, 187–208. Elsevier, 2023. http://dx.doi.org/10.1016/b978-2-294-77320-4.00011-9.
Jamet, Éric, e Séverine Erhel. "Les enfants et les écrans". In Les enfants et les écrans, 111–24. Retz, 2023. http://dx.doi.org/10.3917/retz.cordi.2023.01.0111.
Delepierre, Joëlle. "Le jeu dans tous ses états : mélange d’âges et ouvertures". In Un curriculum pour un accueil de qualité de la petite enfance, 283. ERES, 2014. http://dx.doi.org/10.3917/eres.rayna.2014.01.0283.
Delepierre, Joëlle. "Le jeu dans tous ses états : mélange d'âges et ouvertures". In Pour un accueil de qualité de la petite enfance : quel curriculum ?, 349–62. Érès, 2009. http://dx.doi.org/10.3917/eres.rayna.2009.01.0349.
Tupin, Frédéric. "Le système éducatif de l'île Maurice : entre globalisation et amélioration de la qualité de l'éducation". In Transformations des systèmes éducatifs dans les pays du Sud, 147. De Boeck Supérieur, 2010. http://dx.doi.org/10.3917/dbu.baudo.2010.01.0147.
Doyon-Lacasse, Keven. "Éducation et arts martiaux : pistes de réflexion et perspectives de recherches pour une amélioration de la qualité de l’enseignement au Québec". In Les arts martiaux. Regards critiques et perspectives de recherche, 135–66. Les Presses de l’Université de Laval, 2018. http://dx.doi.org/10.1515/9782763738055-005.
Boivin, Patrick, e M’Baka Malanda. "Application industrielle de I’ensemencement de ferment au cours du maltage pour 1’amélioration de la qualité sanitaire et biophysique du malt". In European Brewery Convention, 117–26. Oxford University PressOxford, 1997. http://dx.doi.org/10.1093/oso/9780199636907.003.0014.
Atti di convegni sul tema "Amélioration de la qualité du mélange":
Bouillon, Nicholas, David Benhamou, Laure Domenech, Boris Geynet e Loïc Roso. "Club des Laboratoires Accrédités : partage d’expérience, audits croisés et amélioration de la qualité des mesures". In 16th International Congress of Metrology. Les Ulis, France: EDP Sciences, 2013. http://dx.doi.org/10.1051/metrology/201312005.
Melka, A. C. "Retentissement sur l’état bucco-dentaire et la qualité de vie des patients avec un cancer de la cavité buccale ou de l’oropharynx traits par radiothérapie conformationnelle tridimensionnelle versus avec modulation d’intensité : à propos de 52 cas". In 66ème Congrès de la SFCO. Les Ulis, France: EDP Sciences, 2020. http://dx.doi.org/10.1051/sfco/20206603012.