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Artykuły w czasopismach na temat "Poudre en suspension":
Ayele, J., B. Fabre i M. Mazet. "Influence de l'origine et de la nature des substances humiques sur l'adsorption de l'atrazine sur charbon actif en poudre". Revue des sciences de l'eau 6, nr 4 (12.04.2005): 381–94. http://dx.doi.org/10.7202/705181ar.
Ayele,, J., A. Mahi i M. Mazet. "Influence du dodécylsulfate de sodium sur l'adsorption des acides humiques sur charbon actif en poudre". Revue des sciences de l'eau 3, nr 4 (12.04.2005): 425–39. http://dx.doi.org/10.7202/705083ar.
TOULLEC, R., J. F. GRONGNET, H. FLAGEUL, J. LAREYNIE i P. M. LUCAS. "Remplacement partiel des protéines du lait par celles du blé ou du maïs dans les aliments d’allaitement : influence sur l’utilisation digestive chez le veau de boucherie". INRAE Productions Animales 3, nr 3 (4.07.1990): 201–6. http://dx.doi.org/10.20870/productions-animales.1990.3.3.4376.
Mechouk, C., A. Hauret, F. Khajehnouri i P. Burnet. "Traitement des micropolluants en station de potabilisation". Techniques Sciences Méthodes, nr 6 (czerwiec 2019): 51–70. http://dx.doi.org/10.1051/tsm/201906051.
von Bronk, Tabea, Michael Haist i Ludger Lohaus. "The Influence of Bleeding of Cement Suspensions on Their Rheological Properties". Materials 13, nr 7 (1.04.2020): 1609. http://dx.doi.org/10.3390/ma13071609.
Nielsen, D. G., i M. J. Dunlap. "Taxus, Control of Black Vine Weevil Larvae, Wooster, Ohio, 1990". Insecticide and Acaricide Tests 17, nr 1 (1.01.1992): 354–55. http://dx.doi.org/10.1093/iat/17.1.354a.
Nielsen, D. G., i M. J. Dunlap. "Taxus, Control of Black Vine Weevil (BVW) Larvae, Wooster, Ohio, 1989". Insecticide and Acaricide Tests 16, nr 1 (1.01.1991): 260. http://dx.doi.org/10.1093/iat/16.1.260.
Letord-Quemere, M. M., F. Coeuret i J. Legrand. "Traitement anodique de suspensions de poudre de graphite sur des �lectrodes de m�tal d�ploy�". Journal of Applied Electrochemistry 17, nr 5 (wrzesień 1987): 965–76. http://dx.doi.org/10.1007/bf01024363.
Mashkour, Mahdi, Mehdi Tajvidi, Tsunehisa Kimura, Fumiko Kimura i Ghanbar Ebrahimi. "Fabricating unidirectional magnetic papers using permanent magnets to align magnetic nanoparticle covered natural cellulose fibers". BioResources 6, nr 4 (28.09.2011): 4731–38. http://dx.doi.org/10.15376/biores.6.4.4731-4738.
Pezda, J. "Heat Treatment of a Casting Element of a Through Clamp to Suspension of Electric Cables on Line Post Insulators". Archives of Foundry Engineering 16, nr 3 (1.09.2016): 89–94. http://dx.doi.org/10.1515/afe-2016-0056.
Rozprawy doktorskie na temat "Poudre en suspension":
Jacquelin, Marjorie Gehin Evelyne. "Étude de la mise en suspension de particules par chute de poudre". Créteil : Université de Paris-Val-de-Marne, 2008. http://doxa.scd.univ-paris12.fr:80/theses/th0407082.pdf.
Jacquelin, Marjorie. "Étude de la mise en suspension de particules par chute de poudre". Paris 12, 2007. http://www.theses.fr/2007PA120042.
This study comes within the general framework of industrial facilities’ safety research. Indeed, industrial processes, notably in the nuclear field, handle hazardous materials in powder form and can produce large quantities of fugitive dust. The study of the particles resuspension from powders is of interest of first order in order to estimate the consequences of this source term of contamination on the operator, the neighbouring installations and, if necessary, the environment. Up to now, there are very few reliable data in the scientific literature on the particulate emission in case of a scenario with an accidental free fall spill of powder. The powder dustiness evaluation is carried out using coefficients obtained in experiments, or using empirical correlations. The objective of the present work is to study the influence of some parameters involved in the airborne particles production by a free fall of powder. For that purpose, experiments are carried out in order to study the influence of parameters such as the type of dischargement, the powder nature, the type of surface on which occurs the powder impaction , the system diameter used for discharge, and the falling mass. The results of mass fractions and number concentrations obtained highlighted the dominating parameters according to the type of discharge employed. Thereafter, the comparisons between our results and the empirical correlations available in the literature showed that those led to an undervaluation of the powder dustiness. This thus led us to develop, starting from the whole of experimental data, empirical correlations taking into account the various parameters studied as well as the interactions
Tiabi, Nadia. "Synthèse de préformes dopées ytterbium par voie poudre pour la réalisation des lasers à fibre de haute puissance". Electronic Thesis or Diss., Limoges, 2023. http://www.theses.fr/2023LIMO0049.
The work presented in this manuscript is part of a PhD thesis carried out by CIFRE in collabora-tion between the laboratory of Xlim and the technological center of optics and lasers "ALPhA-NOV". The main objective of this thesis is to design ytterbium doped preforms that are resistant to the photodarkening (PD) phenomenon for use in high power laser applications.This phenomenon degrades laser performance and leads to reduced output. Two main areas are focused in this thesis. The first is the definition of the core composition and the appropriate synthesis method for the production of preform cores which are resistant to photodarkening (PD). The second is to develop, characterize and evaluate the optical performance of the resulting fiber. The matrix that has been chosen for the study is the alumino-phosphosilicate matrix. To obtain this matrix, a synthesis method called "powder in suspension" was used.From the synthesis of the preform to the drawing of the optical fiber, the different stages of the process have been validated. Excellent performance, with low attenuation of 0.1 dB/m and a very promising optical-to-optical conversion efficiency of 76%, was obtained from the optical tests performed on the fiber. The evaluation of the fiber against photodarkening showed an exceptional resistance. No performance degradation was observed over 100 hours
Ravaux, Alice. "Réalisation et étude de dépôts composites multi-échelle élaborés par projection plasma pour applications tribologiques à hautes températures". Thesis, Limoges, 2014. http://www.theses.fr/2014LIMO0077/document.
Nowadays, tribology has a high energetic impact on economic and industrial areas. Thus, reducing wear and friction of mechanical parts has become a real stakes for various industries. This study is focused on the wear prevention of mechanical parts subjected to severe operating conditions like high temperatures.The realization of protective ceramic-metal coatings is thus particularly appropriated to improve corrosion resistance induced by the high temperatures, with a suitable alloy, and the wear resistance, thanks to the ceramics hardness. Furthermore, researches development in the nanoscale field have shown the interest of scale reduction on the improvement of coatings tribological properties. Thermal spraying is then the most appropriate process for the realization of such coatings.In this work, multi-components (ceramic-metal) and multi-scales (micrometric-nanometric) coatings are developed by plasma spraying in order to give an answer to the high temperature tribological resistance issue. Coatings are realized using a three-cathodes plasma gun (TriplexPro-200) which provides a more stable plasma jet and offers wide possibilities by an extended operating window. First, the special features of this kind of plasma gun will be studied in order to adjust the process to the complex realization of multi-scale coatings. An innovative approach using a hybrid spraying process was thus developed, combining conventional micrometric powder spraying and suspension of nanoscale powders spraying. In a second time, the steps leading to the production of such coatings will be detailed, and finally, their main properties and their tribological behavior will be studied
Ramenatte, Nicolas. "Fonctionnalisation de surface de l’Inconel 625 élaboré par fabrication additive par fusion de lit de poudre". Electronic Thesis or Diss., Université de Lorraine, 2020. http://www.theses.fr/2020LORR0093.
Currently the development of hydrogen mobility is hampered by the sizes of plants that cannot produce small volumes as close as possible to the distribution points. The emergence of metallic additive manufacturing gives the opportunity to develop compact equipment whose size will make it possible their installation as close as possible to the users. These thesis works are performed in the frame of the project FAIR (Additive manufacturing for the intensification of the reactors). They aim on one hand at developing reactors-exchangers based on the Inconel 625 elaborated by the laser beam melting (LBM) technology, and on the other hand at functionalizing the surface to improve their resistance against Metal Dusting corrosion, making these equipments compatible with their industrialization. Two ways have been followed in this work. The first one is focused on the study of the microstructure of these new materials and its evolution during heat treatment. The second one aims to assess the reactivity of these new materials in oxidizing atmosphere. Several areas of the LBM material have been characterized: the core, the subsurface and the surface zone with important roughness. The heterogeneity of the solidification structure and the associated chemical segregations have been observed. The microstructure of the core alloy is partially restored as elaborating. During the heat treatment, the stored energy induces a structural rearrangement (recrystallization) favoring the formation of special grain boundaries like twinned grain. The influences of temperature (1075 and 1160 ° C) and time of heat treatment on the mechanisms underlying this microstructure evolution have been studied. Although the raw microstructure provides an oxidation resistance at 900°C equivalent to a conventional material (alloy inconel 625 lamited), oxidation of LBM alloy is catastrophic from 125h at 1050°C whatever the surface roughness or the microstructure. These difference cannot be improved with a thermal pre-treatment. An oxidation mechanism, taking into account the microstructural state of the material, has been developped enabling the description of the morphology of the oxidation products as well as the measured oxidation kinetics
Catalot-Martinent, Valérie. "Étude de suspensions ciment alumineux-eau : corrélations rhéologie-granularité-compacité". Grenoble INPG, 1997. http://www.theses.fr/1997INPG4209.
Do, Anh Lam. "Approche LPV pour la commande robuste de la dynamique des véhicules : amélioration conjointe du confort et de la sécurité". Electronic Thesis or Diss., Grenoble, 2011. http://www.theses.fr/2011GRENT114.
This work concerns the development of advanced control methods for automotive suspensions to improve road holding and passenger comfort, while satisfying the technological constraints related to the suspension actuators (passivity, nonlinearity, structural limit). In the first part, we propose two control schemes by polytopic LPV (Linear Parameter Varying) approach and by Strong Stabilization with genetic algorithm optimization to solve the comfort/handling and comfort/suspension travel conflits. In the second part, to solve the full semi-active suspension problem, we develop first a generic strategy for general LPV systems subject to actuator saturation and state constraints. The problem is studied in the form of resolution matrix of linear inequalities (LMI) that allows synthesizing an LPV controller and an anti-windup gain to ensure the stability and performance of the closed-loop system. Second, the theoretical result is applied to the case of semi-active suspension control. The proposed methods are validated by an evaluation based on an industrial standard and simulations on a nonlinear quarter vehicle model
Do, Anh Lam. "Approche LPV pour la commande robuste de la dynamique des véhicules : amélioration conjointe du confort et de la sécurité". Thesis, Grenoble, 2011. http://www.theses.fr/2011GRENT114/document.
This work concerns the development of advanced control methods for automotive suspensions to improve road holding and passenger comfort, while satisfying the technological constraints related to the suspension actuators (passivity, nonlinearity, structural limit). In the first part, we propose two control schemes by polytopic LPV (Linear Parameter Varying) approach and by Strong Stabilization with genetic algorithm optimization to solve the comfort/handling and comfort/suspension travel conflits. In the second part, to solve the full semi-active suspension problem, we develop first a generic strategy for general LPV systems subject to actuator saturation and state constraints. The problem is studied in the form of resolution matrix of linear inequalities (LMI) that allows synthesizing an LPV controller and an anti-windup gain to ensure the stability and performance of the closed-loop system. Second, the theoretical result is applied to the case of semi-active suspension control. The proposed methods are validated by an evaluation based on an industrial standard and simulations on a nonlinear quarter vehicle model
Vu, Tuyet-Oanh. "Dispersion d'une poudre dans un liquide : caractérisation des interactions interfaciales et effets de différents facteurs sur la vitesse de dispersion". Saint-Etienne, EMSE, 2002. http://www.theses.fr/2002EMSE0029.
The aim of this work is to study a powder/liquid system for instantizing a powder in a liquid. The model powder chosen, cocoa, and its interaction with water were characterised to determine the dispersion behaviour. Contact angles and adhesion forces were measured by the sessile drop method and by a modified Washburm method. Water is a non-wetting liquid with respect to cocoa powder. Dispersion kinetics were measured by using an optical fibre detector. The most significant parameters on dispersion speed were the power of the agitation and the rise in temperature. Granulated powder was prepared by two processes : atomisation and high shear granulation. Atomisation lead to better dispersion while high shear granulation gave granules having an increased speed of dispersion
Ben, Romdhane Mohamed Ramzi. "Nouveaux auxiliaires organiques pour le pressage de poudres d'alumines atomisées". Limoges, 2005. http://aurore.unilim.fr/theses/nxfile/default/5505a06a-ec3e-49da-8347-8c14e89e78c2/blobholder:0/2005LIMO0016.pdf.
The forming of advanced ceramics generally requires the use of organic additives, in order to confer to the system desired properties of flow and cohesion. The introduction of different organics in the ceramic suspension often involves interactions not only between the additives and the particles but also between the additives themselves. In the spray-drying process of powders for die pressing, the weak adsorption of the binder in comparison to that of the dispersant generates a heterogeneous distribution of the organic phase in the ceramic green part. The aims of this study is the definition and the synthesis of new polymers, which would carry two functions in order to confer both the role of binder and dispersant. A particular attention is paid in on hand, on the comprehension of the phenomena of interaction between these copolymers and the surface of the alumina powders in aqueous suspension with the study of the adsorption isotherms, the electrokinetic and rheological properties and, in the other hand, on the effect of these interactions on the state of dispersion of the powders. The mechanical properties of green parts pressed using spray dried powders with the synthesized copolymers are evaluated and discussed according to the nature copolymers
Książki na temat "Poudre en suspension":
Walters, Eric. In a flash. Custer, WA: Orca Book Publishers, 2008.
Walters, Eric. In a flash. Custer, WA: Orca Book Publishers, 2008.
Walters, Eric. In a flash. Custer, WA: Orca Book Publishers, 2008.
Schlabach, Elizabeth Schroeder. Kitchenettes. University of Illinois Press, 2017. http://dx.doi.org/10.5406/illinois/9780252037825.003.0005.
In a Flash. Victoria: Orca Book Publishers, 2009.
Części książek na temat "Poudre en suspension":
Shen, Cangliang, i Yifan Zhang. "Enumeration of Bacteria in Broth Suspension by Spread and Pour Plating". W Food Microbiology Laboratory for the Food Science Student, 15–18. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-58371-6_3.
Shen, Cangliang, i Yifan Zhang. "Enumeration of Bacteria in Broth Suspension by Spread and Pour Plating". W Food Microbiology Laboratory for the Food Science Student, 19–24. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-26197-8_3.
"UA : Motion de 28 États pour la suspension de la RASD". W La politique africaine du Maroc, 310–11. BRILL, 2020. http://dx.doi.org/10.1163/9789004439160_025.
DELAHAYE, Anthony, i Laurence FOURNAISON. "Utilisation des hydrates pour le stockage et la distribution du froid". W Stockage de la chaleur et du froid 1, 161–216. ISTE Group, 2023. http://dx.doi.org/10.51926/iste.9133.ch7.
SORÉ, Zakaria. "Inégalités sociales et continuité pédagogique en temps du COVID-19 dans la ville de Ouagadougou (Burkina Faso)". W Les écoles africaines à l’ère du COVID-19, 241–58. Editions des archives contemporaines, 2024. http://dx.doi.org/10.17184/eac.7932.
Oliveira, Marcilhía, i Priscila da Silva Antonio. "A PANDEMIA DA COVID-19 E OS IMPACTOS NA VIDA DE ESTUDANTES UNIVERSITÁRIOS: ANÁLISE DE SIMILITUDE". W Saúde Mental: interfaces, desafios e cuidados em pesquisa - Volume 2, 26–40. Editora Científica Digital, 2023. http://dx.doi.org/10.37885/230713765.
DEJEAN DE LA BÂTIE, Alice. "A l’aube de l’ère pénale sanitaire". W Les épidémies au prisme des SHS, 251–55. Editions des archives contemporaines, 2022. http://dx.doi.org/10.17184/eac.6011.
Streszczenia konferencji na temat "Poudre en suspension":
FERRANDON, Erwan, Mathis COURANT, Camélia POPESCU, Yann LAUNAY, Sophie ALAIN i Claire LEFORT. "Un pipeline instrumental et computationnel pour visualiser des particules virales de SARS-CoV-2 en suspension". W Les journées de l'interdisciplinarité 2022. Limoges: Université de Limoges, 2022. http://dx.doi.org/10.25965/lji.684.
Villaret, Catherine, i Jean-Michel Hervouet. "Comparaison croisée de différentes approches pour le transport sédimentaire par charriage et suspension". W Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2006. http://dx.doi.org/10.5150/jngcgc.2006.045-v.
Absi, Rafik, Charlène Le Gall, Stéphane Marchandon i Pierre-Antoine Hammad. "Interprétation des profils de concentration pour des particules de sable en suspension de différentes tailles". W Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2008. http://dx.doi.org/10.5150/jngcgc.2008.001-a.