Academic literature on the topic 'Ultrasons à haute fréquence'
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Journal articles on the topic "Ultrasons à haute fréquence"
OUAFTOUH, M., W. J. XU, M. OURAK, and B. NONGAILLARD. "ÉVALUATION DE L'ADHÉRENCE PAR ULTRASONS HAUTE-FRÉQUENCE." Le Journal de Physique IV 02, no. C1 (April 1992): C1–835—C1–838. http://dx.doi.org/10.1051/jp4:19921182.
Full textLEFEBVRE, F., M. OUAFTOUH, B. NONGAILLARD, and E. RADZISZEWSKI. "Détection de particules biologiques en suspension par ultrasons haute fréquence." Le Journal de Physique IV 04, no. C5 (May 1994): C5–1259—C5–1262. http://dx.doi.org/10.1051/jp4:19945279.
Full textPERNOD, P., C. DELEBARRE, P. HERNIGOU, and H. FRANCES. "Mesure quantitative de la porosité résiduelle des ciments chirurgicaux par ultrasons de haute fréquence." Le Journal de Physique IV 04, no. C5 (May 1994): C5–1239—C5–1242. http://dx.doi.org/10.1051/jp4:19945274.
Full textHombreux, A., C. Raffaelli, N. Tieulie, J. P. Fournier, and S. Beuil. "Intérêt des ultrasons de ultra haute fréquence dans le diagnostic de la maladie de Horton." JMV-Journal de Médecine Vasculaire 43, no. 2 (March 2018): 115. http://dx.doi.org/10.1016/j.jdmv.2017.12.089.
Full textGonze, E., Y. Gonthier, P. Boldo, and A. Bernis. "Etude de l'oxydation du pentachlorophénol dans différentes géométries de réacteurs à ultrasons de haute fréquence." Canadian Journal of Chemical Engineering 75, no. 1 (February 1997): 245–55. http://dx.doi.org/10.1002/cjce.5450750133.
Full textPassilly, Bruno, Benjamin Lamboul, and Jean-Michel Roche. "Indentation haute fréquence : vers le contrôle non-destructif des structures." Matériaux & Techniques 105, no. 1 (2017): 110. http://dx.doi.org/10.1051/mattech/2017026.
Full textMinh, Dao Quang. "Evaluating the respiratory compromise of primary liver tumor treatment by high-frequency waves under the guidelines of ultrasonic surgery in patients with normal lung function." Journal of functional ventilation and pulmonology 10, no. 30 (March 15, 2019): 46–49. http://dx.doi.org/10.12699/jfvpulm.10.30.2019.46.
Full textTOUBAL, M., E. RADZISZEWSKI, M. ASMANI, M. OURAK, and B. NONGAILLARD. "CARACTÉRISATION DU SANG PAR ULTRASONS HAUTES FRÉQUENCES." Le Journal de Physique IV 02, no. C1 (April 1992): C1–771—C1–774. http://dx.doi.org/10.1051/jp4:19921168.
Full textTiano, Martin. "Souple à haute fréquence." Pour la Science N° 533 – mars, no. 3 (February 25, 2022): 17. http://dx.doi.org/10.3917/pls.533.0017.
Full textLa Rochebrochard, Jean de. "La création d’entreprise à haute fréquence." Le journal de l'école de Paris du management N°138, no. 4 (2019): 23. http://dx.doi.org/10.3917/jepam.138.0023.
Full textDissertations / Theses on the topic "Ultrasons à haute fréquence"
Jagnoux, Pierre. "Contribution au développement de l'imagerie ultrasonore haute fréquence." Lyon, INSA, 1992. http://www.theses.fr/1992ISAL0015.
Full textWe have developed a high frequency ultrasonic imaging system with a lateral resolution of about one hundred micrometers in water. Different s methods of investigation, using focused probes, have been studied : bulk waves and leaky Rayleigh waves (O. S. R. ) imaging. In this as t case we, have studied with a special attention the characteristics of O. S. R. And their interaction with subsurface flows. In the last part of this work, we have pointed out the advantages of using high frequency ultrasonic techniques to investigate subsurface damage of bearings and quality of the fiber-matrix interface of a single fiber metal composite Al-SiC
Et, Taouil Abdeslam. "Effets des ultrasons haute fréquence sur l'électrosynthèse des polymères conducteurs." Phd thesis, Université de Franche-Comté, 2011. http://tel.archives-ouvertes.fr/tel-00839877.
Full textEt, Taouil Abdeslam. "Effets des ultrasons haute fréquence sur l’électrosynthèse des polymères conducteurs." Thesis, Besançon, 2011. http://www.theses.fr/2011BESA2025/document.
Full textThis study deals with the effects of high frequency ultrasound (500 kHz) irradiation on the electrochemical synthesis of conducting polymers in aqueous media. Ultrasound favors electrochemical polymerization reaction by improving mass transfer of electroactive species towards the electrode. It leads to films more compact, presenting a thinner and more homogeneous topography. Chemical effects generated by the acoustic wave propagation enable a higher doping level for the films. However, their electrical conductivity is slightly reduced, due to partial degradation of polymer chains by cavitational activity. The possibility to control morphological properties was used in different applications such as potentiometric pH sensors or anti-corrosion coatings. For such applications, using these films as functional layers, the irradiated coatings lead to better results. A selective masking technique, based on focused ultrasound, has been developed as well in order to elaborate a biphased substrate permitting interesting biological applications
Aoudi, Walid. "Méthodes d'estimation de vitesses des flux en imagerie ultrasonore haute fréquence." Lyon, INSA, 2008. http://theses.insa-lyon.fr/publication/2008ISAL0016/these.pdf.
Full textThe objective of this work is to propose a new method for estimating flow velocity with high frequency ultrasound imaging when Doppler methods can not be used because of very low velocities or because of an imaging system using a single scanning transducer. This method is based on the analysis of the movement of the speckle which is the granulous aspect of echographic images. We took into account the spatial and temporal speckle statistics, ultrasound image formation models as well as the existing motion estimation methods in order to propose an original method called SFI "Speckle Flow Index". This method is based on the analysis of the local temporal variance across the image sequence and does not necessitate block matching. The method has been implemented as a linear filtering of the sequence and permits real time computation. The method has been validated with experimental data gathered on gelatine phantoms crossed by a fluid at calibrated velocities. We have shown the performances and the limits of the method. For flow velocities up to 2 mm/s, on the order of what is observed in the microcirculation for human and animal, this new statistical method permits flow velocities estimation. Some applications of flow estimation in biology are finally presented
Valette, Eric. "Contribution expérimentale à l'étude de l'hydrodynamique et du micromélange engendrés par les ultrasons de haute fréquence." Chambéry, 2002. http://www.theses.fr/2002CHAMS015.
Full textLefebvre, Fabrice. "Comptage de particules par ultrasons haute fréquence focalisés : application au génie biologique et medical." Valenciennes, 1993. https://ged.uphf.fr/nuxeo/site/esupversions/0ce3f589-0e8b-4dbf-a5d3-24021c541d29.
Full textJouannot, Erwan. "Développements et applications de l'imagerie ultrasonore haute fréquence et fonctionnelle chez la souris." Paris 6, 2005. http://www.theses.fr/2005PA066598.
Full textCommenges, Nadine. "Pré et post-oxydation d'effluents industriels par des ultrasons à haute fréquence. Comparaison avec d'autres procédés d'oxydation avanncée." Chambéry, 2001. http://www.theses.fr/2001CHAMS020.
Full textJafari, Sara. "Détection ultrasonore haute fréquence des microbulles et des nanoparticules expérimentales à cœur liquide." Paris 6, 2012. http://www.theses.fr/2012PA066089.
Full textThe objective of this work is high frequency (20-40MHz) characterization of the linear and non linear acoustic response of microbubble and experimental liquid-core nanoparticle contrast agents. Linear and non linear ultrasonic sequences were implemented and validated using a single-channel, broad bandwidth high frequency ultrasound prototype. The variation of the high frequency response of Sonovue contrast microbubbles and experimental nanoparticles was evaluated as a function of pressure, tone burst duration and solution concentration. Experimental nanoparticles consisted of perfluorooctyl bromide (PFOB) liquid cores with poly(lactide-coglycolide) (PLGA) shells. The acoustic response was compared for three different shell-thicknesses to radius ratios (0. 25, 0. 35 and 1). Results demonstrate increased second harmonic to fundamental ratio for the 20-MHz pulse inversion, PI, tone burst sequences as compared to the conventional sequence. The experimental liquid-core nanoparticles studied under flow in vitro present detectable linear and nonlinear response at 20 MHz. In vivo measurements are made to investigate the feasibility of high frequency acoustic detection of the liquid-core nanoparticles in an ectopic murine model after intraveneous injection of these nanoparticles. Bolus arrival of liquid core nanoparticles is detected at 20 MHz whereas, under matched conditions, detection was not achieved using a 7-14 MHz clinical ultrasound system. This work demonstrated high frequency detection and nonlinear response from experimental nanoparticles designed for therapy and contrast imaging and investigated the effect of shell type and thickness on this acoustic response
Fnine, Abdelilah. "Ausculation de la peau du béton par ondes ultrasonores haute fréquence." Lille 1, 2006. https://pepite-depot.univ-lille.fr/LIBRE/Th_Num/2006/50376-2006-Fnine.pdf.
Full textBooks on the topic "Ultrasons à haute fréquence"
Mould, Michael. L' anglais à haute fréquence. Paris: Belin, 1987.
Find full textGayraud, Jean-François. Le nouveau capitalisme criminel: Crises financières, narcobanques, trading de haute fréquence. Paris: Odile Jacob, 2014.
Find full textLelièvre, Frédéric. Krach machine: Comment les traders à haute fréquence menacent de faire sauter la Bourse. Paris: Calmann-Lévy, 2013.
Find full textColloque [sur la] téléphonie mobile (2000 Strasbourg). Téléphonie mobile: Effets potentiels sur la santé des ondes électromagnétiques de haute fréquence : actes du colloque organisé le 19 juin 2000. Embourg: Éditions Marco Pietteur, 2001.
Find full textJ, Hill Steve, ed. Inductively coupled plasma spectrometry and its applications. 2nd ed. Oxford: Blackwell Pub., 2007.
Find full textThomas, Robert. Practical guide to ICP-MS: A tutorial for beginners. 2nd ed. Boca Raton: CRC Press, 2008.
Find full textThomas, Robert. Practical guide to ICP-MS: A tutorial for beginners. 2nd ed. Boca Raton: CRC Press, 2008.
Find full textPractical guide to ICP-MS. New York, NY: M. Dekker, 2004.
Find full textTesla, Nikola. Expérimentations Sur les Courants Alternatifs à Haut Potentiel et à Haute Fréquence de Nikola Tesla. Discovery Publisher, 2022.
Find full textLivre de Recherche de Mots Pour Enfants: Livre d'activités Sur les Mots à Haute Fréquence Pour élever des Lecteurs Confiants. Independently Published, 2021.
Find full textBook chapters on the topic "Ultrasons à haute fréquence"
Kovatcheva, R., J. Stoinov, M. Abehsera, B. Seror, and J. N. Guglielmina. "Traitement du fibroadénome du sein par ultrasons focalisés de haute intensité (HIFU) guidés par échographie : étude de faisabilité." In Acquis et limites en sénologie / Assets and limits in breast diseases, 414–15. Paris: Springer Paris, 2013. http://dx.doi.org/10.1007/978-2-8178-0396-8_80.
Full text"CHAPITRE 17 LES MATÉRIAUX DOUX POUR L'ÉLECTRONIQUE HAUTE FRÉQUENCE." In Magnétisme (Tome II), 155–212. EDP Sciences, 1999. http://dx.doi.org/10.1051/978-2-7598-0132-9.c007.
Full textSAINTEVILLE, Maude. "L’activité boursière et le processus de régionalisation." In La régionalisation du monde, 93–108. ISTE Group, 2024. http://dx.doi.org/10.51926/iste.9158.ch6.
Full textZaz, Ghita, Yoann Calzavara, and Gilles Despaux. "Traducteur acoustique haute fréquence mesurant la distance inter-plaques d’un réacteur nucléaire." In Instrumentation et Interdisciplinarité, 103–8. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-1206-6-013.
Full textZaz, Ghita, Yoann Calzavara, and Gilles Despaux. "Traducteur acoustique haute fréquence mesurant la distance inter-plaques d’un réacteur nucléaire." In Instrumentation et Interdisciplinarité, 103–8. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-1206-6.c013.
Full textWILHELM, L., P. FABRIES, L. BOUDIN, R. DUBOURG, F. ZAGNOLI, F. CANINI, and E. SAGUI. "Impact physiologique du port d’une charge lourde lors d’un effort soutenu." In Médecine et Armées Vol. 45 No.2, 143–52. Editions des archives contemporaines, 2017. http://dx.doi.org/10.17184/eac.7427.
Full textEsperança-Rodier, Emmanuelle. "Analyse de la qualité des traductions automatiques du français vers l’anglais, d’Expressions Poly-Lexicales (EPL) à partir d’un corpus parallèle." In Lexique(s) et genre(s) textuel(s) : approches sur corpus, 311–24. Editions des archives contemporaines, 2020. http://dx.doi.org/10.17184/eac.2926.
Full textDucreux, J., P. Eyrolles, and F. Gohler. "ALEX ou du Granit au Silicium un Laboratoire de Controles par Ultrasons Melant les Materiaux de L'age de Pierre et la Haute Technologie." In Non-Destructive Testing, 2395–403. Elsevier, 1988. http://dx.doi.org/10.1016/b978-0-08-036221-2.50026-7.
Full textConference papers on the topic "Ultrasons à haute fréquence"
Yagoub, M. C. E., J. Li, and F. A. Mohammadi. "Méthode Optimale de Modélisation de Transistors Haute Fréquence." In 2006 Canadian Conference on Electrical and Computer Engineering. IEEE, 2006. http://dx.doi.org/10.1109/ccece.2006.277654.
Full textSANCHEZ, Martin. "Distribution non stationnaire des matières en suspension dans une couche limite oscillant à haute fréquence." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2014. http://dx.doi.org/10.5150/jngcgc.2014.054.
Full textTHYSSEN, Melilotus, Gérald GREGORI, Anthony MALKASSIAN, and Michel DENIS. "Nouvelle méthode de monitoring in situ du phytoplancton : analyse automatisée à haute fréquence et à l'échelle individuelle des cellules." In Conférence Méditerranéenne Côtière et Maritime - Coastal and Maritime Mediterranean Conference. Editions Paralia, 2009. http://dx.doi.org/10.5150/cmcm.2009.075-6.
Full textAlmar, Rafael, Nadia Senechal, and Giovanni Coco. "Estimation vidéo haute fréquence de la topographie intertidale d’une plage sableuse. Application à la caractérisation des seuils d’engraissement et d’érosion." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2008. http://dx.doi.org/10.5150/jngcgc.2008.048-a.
Full textBALOUIN, Yann, Léo DESBIENDRAS, Mathieu GERVAIS, and Jim TESSON. "Dynamique à haute fréquence des barres d’avant-côte en milieu microtidal : suivi vidéo du Lido de Sète, Golfe du Lion." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2012. http://dx.doi.org/10.5150/jngcgc.2012.019-b.
Full textReports on the topic "Ultrasons à haute fréquence"
Gruber, Verena, Ingrid Peignier, and Elinora Pentcheva. Analyse des motivations d’achat de camions légers au Québec. CIRANO, February 2023. http://dx.doi.org/10.54932/kzyi1849.
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