Статті в журналах: "Techniques IRM"

1

Boyer, Bruno, and Carl El Khoury. "IRM mammaire : techniques d’examen." Journal de Radiologie 87, no. 10 (October 2006): 1197. http://dx.doi.org/10.1016/s0221-0363(06)86703-x.

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2

Prat, X., and P. Taourel. "3121 IRM du sein : techniques, indications." Journal de Radiologie 86, no. 10 (October 2005): 1202. http://dx.doi.org/10.1016/s0221-0363(05)74988-x.

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3

La Folie, T., F. Sbardella, J. B. Veyrieres, A. Rimbot, and C. Arteaga. "IRM corps entier : techniques et indications." EMC - Radiologie et imagerie médicale - Abdominale - Digestive 5, no. 3 (January 2010): 1–15. http://dx.doi.org/10.1016/s1879-8527(10)72852-5.

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4

Varin, C., C. Virlouvet, and J. N. Dacher. "TMA3 Techniques de synchronisation en IRM cardiaque." Journal de Radiologie 85, no. 9 (September 2004): 1513. http://dx.doi.org/10.1016/s0221-0363(04)77689-1.

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5

Felblinger, Jacques, and Dominique Sappey-Marinier. "Méthodologies et techniques logicielles en IRM cérébrale." Journal de Radiologie 89, no. 10 (October 2008): 1258. http://dx.doi.org/10.1016/s0221-0363(08)75748-2.

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6

Thomassin-Naggara, I., I. Trop, L. Lalonde, J. David, L. Péloquin, and J. Chopier. "Astuces et nouveautés techniques en IRM mammaire." Journal de Radiologie Diagnostique et Interventionnelle 93, no. 11 (November 2012): 876–89. http://dx.doi.org/10.1016/j.jradio.2011.05.025.

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7

Pierot, Laurent, and Serge Bracard. "IRM 3 Tesla : aspects techniques et applications cliniques." Journal de Radiologie 86, no. 10 (October 2005): 1278. http://dx.doi.org/10.1016/s0221-0363(05)75277-x.

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8

Blum, Alain. "Nouvelles techniques, nouvelles pratiques en IRM ostéo-articulaire." Journal de Radiologie 89, no. 10 (October 2008): 1291. http://dx.doi.org/10.1016/s0221-0363(08)75852-9.

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9

Blum, Alain. "Nouvelles techniques, nouvelles pratiques en IRM ostéo-articulaire." Journal de Radiologie 89, no. 10 (October 2008): 1320. http://dx.doi.org/10.1016/s0221-0363(08)75961-4.

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10

Dupont, Sophie. "Qu’attend le neurologue des techniques avancées en IRM ?" Journal of Neuroradiology 43, no. 2 (March 2016): 75–76. http://dx.doi.org/10.1016/j.neurad.2016.01.036.

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11

Laurens, B., and O. Ernst. "IRM hépatique : indications, techniques de réalisation et d'interprétation." EMC - Radiologie et imagerie médicale - Abdominale - Digestive 1, no. 4 (January 2006): 1–19. http://dx.doi.org/10.1016/s1879-8527(06)72810-6.

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12

Didier, D. "Techniques IRM chez l’enfant porteur de cardiopathie congenitale." Journal de Radiologie 86, no. 10 (October 2005): 1387. http://dx.doi.org/10.1016/s0221-0363(05)75650-x.

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13

Rouvière, O. "IRM de la prostate : optimisation des protocoles techniques." Journal de Radiologie 87, no. 2 (February 2006): 210–21. http://dx.doi.org/10.1016/s0221-0363(06)73995-6.

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14

Delmaire, C., A. Krainik, V. Lethuc, N. Reyns, H. Duffau, L. Capelle, and S. Lehéricy. "IRM fonctionnelle cérébrale : bases physiologiques, techniques et applications cliniques." Journal de Radiologie 88, no. 3 (March 2007): 497–509. http://dx.doi.org/10.1016/s0221-0363(07)89849-0.

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15

Tardivon, A., K. Kinkel, and C. Balleyguier. "Le BI-RADS en IRM, donnees techniques, lexique : les masses." Journal de Radiologie 85, no. 9 (September 2004): 1420. http://dx.doi.org/10.1016/s0221-0363(04)77364-3.

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16

Braun, M., S. Kremer, and J. L. Dietemann. "Anatomie fonctionnelle du lobe temporal et techniques d’exploration en IRM." Journal de Radiologie 89, no. 10 (October 2008): 1313. http://dx.doi.org/10.1016/s0221-0363(08)75932-8.

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17

Baunin, C., J. Vial, A. Denis, and N. Sans. "IRM corps entier en pediatrie : quelles techniques et quelles indications ?" Journal de Radiologie 90, no. 10 (October 2009): 1316. http://dx.doi.org/10.1016/s0221-0363(09)75225-4.

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18

Rakesh Kumar ER and Texila American. "The Efficient Approach in Peer-to-Peer Systems to Achieve High Efficiency." Proceeding of The International Conference on Economics and Business 1, no. 1 (June 28, 2022): 31–34. http://dx.doi.org/10.55606/iceb.v1i1.104.

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Peer-to-peer systems nowadays are widely used because of the scalability and high reliability. File replication and consistency maintenance are widely used techniques to achieve high system performance. These techniques are connected to each other. The connection of these techniques is consistency maintenance is needed in file replication to keep the consistency between a file and the replicas. Traditional file replication and consistency maintenance methods need a high cost. The usage of IRM (Integrated file Replication and Consistency Maintenance inP2P systems) which will achieve high efficiency at a significantly lower cost can be used to solve this problem. IRM reduces redundant file replicas, consistency maintenance overhead, and unnecessary file updates.

19

Lukman Santoso, Marcus Gunadi Wibawa, Muhamad Syarifudin, Priyadi, and Titi Christiana. "The Efficient Approach in Peer-to-Peer Systems to Achieve High Efficiency." Journal of Management and Informatics 1, no. 2 (August 12, 2022): 17–21. http://dx.doi.org/10.51903/jmi.v1i1.137.

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Peer-to-peer systems nowadays are widely used because of the scalability and high reliability. File replication and consistency maintenance are widely used techniques to achieve high system performance. These techniques are connected to each other. The connection of these techniques is consistency maintenance is needed in file replication to keep the consistency between a file and the replicas. Traditional file replication and consistency maintenance methods need a high cost. The usage of IRM (Integrated file Replication and Consistency Maintenance inP2P systems) which will achieve high efficiency at a significantly lower cost can be used to solve this problem. IRM reduces redundant file replicas, consistency maintenance overhead, and unnecessary file updates.

20

Lukman Santoso, Marcus Gunadi Wibawa, Muhamad Syarifudin, Priyadi Priyadi, and Titi Christiana. "The Efficient Approach in Peer-to-Peer Systems to Achieve High Efficiency." Journal of Technology Informatics and Engineering 1, no. 2 (July 12, 2022): 25–29. http://dx.doi.org/10.51903/jtie.v1i1.137.

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Анотація:

Peer-to-peer systems nowadays are widely used because of the scalability and high reliability. File replication and consistency maintenance are widely used techniques to achieve high system performance. These techniques are connected to each other. The connection of these techniques is consistency maintenance is needed in file replication to keep the consistency between a file and the replicas. Traditional file replication and consistency maintenance methods need a high cost. The usage of IRM (Integrated file Replication and Consistency Maintenance inP2P systems) which will achieve high efficiency at a significantly lower cost can be used to solve this problem. IRM reduces redundant file replicas, consistency maintenance overhead, and unnecessary file updates.

21

Pilleul, F., and O. Beuf. "IRM et exploration du tube digestif — Aspects techniques et perspectives d’évolution." Journal de Radiologie 85, no. 12 (December 2004): 1985–91. http://dx.doi.org/10.1016/s0221-0363(04)97770-0.

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22

Lesage, A., F. Auger, C. Lions, Z. Negaiwi, K. Akkari, J. P. Beregi, and S. Willoteaux. "3D B-TFE pour la coro-IRM : techniques et experiences preliminaires." Journal de Radiologie 88, no. 10 (October 2007): 1278–79. http://dx.doi.org/10.1016/s0221-0363(07)80680-9.

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23

Berry, Isabelle, Franck-Emmanuel Roux, Kader Boulanouar, Jean-Philippe Ranjeva, Danielle Ibarrola, and Claude Manelfe. "IRM fonctionnelle de l'encéphale : principes et principaux résultats des nouvelles techniques." EMC - Radiologie et imagerie médicale - Musculosquelettique - Neurologique - Maxillofaciale 1, no. 1 (January 2006): 1–11. http://dx.doi.org/10.1016/s1879-8551(06)73999-9.

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24

Gras, L., and M. Faivre Pierret. "Nouvelles techniques d’imagerie cérébrale : spectroscopie, IRM fonctionnelle et tracking de fibres." Cancer/Radiothérapie 12, no. 6-7 (November 2008): 711. http://dx.doi.org/10.1016/j.canrad.2008.08.269.

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25

Pelletier, J., B. Audoin, and J. P. Ranjeva. "Qu’attendre des nouvelles techniques IRM dans l’étude de la sclérose en plaques." Revue Neurologique 163, no. 6-7 (June 2007): 663–66. http://dx.doi.org/10.1016/s0035-3787(07)90476-2.

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26

Rastegar, G. R., S. Wittmer, E. Fitzpatrick, and H. R. Steiman. "PC 36 SEM evaluation of finishing techniques on IRM and EBA retrofillings." Journal of Endodontics 21, no. 4 (April 1995): 240. http://dx.doi.org/10.1016/s0099-2399(06)80669-2.

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27

Poncelet, E., S. Amoussa, C. Coudray, M. Lernout, J. Bigot, and N. Laurent. "Apport des nouvelles techniques en IRM du pelvis feminin : imagerie morphologique 3D." Journal de Radiologie 90, no. 10 (October 2009): 1213. http://dx.doi.org/10.1016/s0221-0363(09)74873-5.

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28

Bazot, M., A. Roussel, E. Poncelet, C. Lafont, C. Marsault, and I. Thomassin-Naggara. "Apport des nouvelles techniques en IRM du pelvis feminin : imagerie de diffusion." Journal de Radiologie 90, no. 10 (October 2009): 1214. http://dx.doi.org/10.1016/s0221-0363(09)74875-9.

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29

Fitzpatrick, Edward L., and H. Robert Steiman. "Scanning electron microscopic evaluation of finishing techniques on IRM and EBA retrofillings." Journal of Endodontics 23, no. 7 (July 1997): 423–27. http://dx.doi.org/10.1016/s0099-2399(97)80295-6.

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30

Kärger, Jörg, and Rustem Valiullin. "Transport-Optimized Nanoporous Materials for Mass Separation and Conversion as Designed by Microscopic Diffusion Measurement." Diffusion Foundations 19 (November 2018): 96–124. http://dx.doi.org/10.4028/www.scientific.net/df.19.96.

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Nanoporous materials find widespread application in material upgrading by separation (“molecular sieving”) and catalytic conversion. Mass transfer in these materials is a key phenomenon deciding about their technological performance. This chapter deals with the application of measurement techniques which are able to follow the diffusive fluxes of the guest molecules in such materials over “microscopic” distances, including the pulsed field gradient (PFG) technique of Nuclear Magnetic Resonance (NMR) and the techniques of microimaging by interference microscopy (IFM) and by IR microscopy (IRM). Microscopic measurement is a prerequisite for attaining unbiased information about the elementary steps of mass transfer and about their role within the overall process of technological exploitation. We dedicate this treatise to the memory of our dear and highly esteemed colleague Nicolaas Augustinus Stolwijk, notably in recognition of his manifold activities in the field of diffusion, distinguished by their impressively high standard in connecting the message of various techniques of measurement and in combining them to comprehensive views on quite intricate subjects.

31

Balériaux, D., and C. Neugroschl. "2306 L’angio-IRM en neuroradiologie : quelles techniques choisir pour faire le bon diagnostic." Journal de Radiologie 85, no. 9 (September 2004): 1186. http://dx.doi.org/10.1016/s0221-0363(04)76591-9.

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32

Rouvière, O., and B. Taouli. "4326 IRM de la prostate : optimisation des protocoles techniques. Spectroscopie de la prostate." Journal de Radiologie 86, no. 10 (October 2005): 1216. http://dx.doi.org/10.1016/s0221-0363(05)75057-5.

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33

Oudjit, A., O. Vignaux, H. Gouya, M. Guesmi, S. Silvera, J. Augui, C. Delin, and P. Legmann. "DIG-WS-14 Entero-IRM per os et par enteroclyse : techniques et resultats." Journal de Radiologie 89, no. 10 (October 2008): 1552. http://dx.doi.org/10.1016/s0221-0363(08)76793-3.

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34

Thomassin-Naggara, I., D. Balvay, E. Poncelet, C. A. Cuénod, C. Marsault, and M. Bazot. "Apport des nouvelles techniques en IRM du pelvis feminin : imagerie dynamique avec injection." Journal de Radiologie 90, no. 10 (October 2009): 1213–14. http://dx.doi.org/10.1016/s0221-0363(09)74874-7.

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35

Laurent, V., and C. Hoeffel. "Aspects techniques et interprétation d’une IRM dans le bilan d’extension local des tumeurs rectales." Côlon & Rectum 4, no. 2 (May 2010): 115–21. http://dx.doi.org/10.1007/s11725-010-0218-9.

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36

Florence, Lbath-Lassays, and Rumelhart Claude. "Apport Des Techniques D'imagerie Scanner et Irm Dans la Modelisation 3D de L'articulation Trapezo-Metacarpienne." Archives of Physiology and Biochemistry 103, no. 3 (January 1, 1995): C55. http://dx.doi.org/10.3109/13813459509037278.

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37

Svenningsson, Anders, and et Barry A. Hendin. "Paramètres cliniques, biochimiques et dimagerie prédictifs de I évolution de la sclérose en plaques." European Neurological Review 8, (Suppl.1) (2013): 10. http://dx.doi.org/10.17925/enr.2013.08.s1.10a.

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Mieux prédire Iévolution de la maladie et la réponse aux traitements de fond de la sclérose en plaques (SEP) pourrait améliorer les résultats de traitement en proposant aux patients une approche thérapeutique spécifique. Plusieurs facteurs affectant Iévolution de la maladie ont été identifiés, parmi lesquels : Iorigine ethnique, Iâge dapparition de la maladie, lâge des premiers symptômes, Iévolution au début de la maladie et les résultats dimagerie. Malgré les résultats mitigés des études des facteurs pronostiques à IIRM (Imagerie par Résonance Magnétique), les avancées technologiques améliorent la capacité prédictive de IIRM, et de nouvelles techniques et mesures fournissent dautres moyens pour prédire Iévolution de la maladie et la réponse au traitement. La recherché dun biomarqueur prédictif est un domaine de recherche trés actif, mais les études restent peu concluantes. Les biomarqueurs potentiels incluent les protéines des neurofilaments, les microARN, Iexpression génique et les anticorps. Étant donné quil est peu probable quun seul facteur puisse prédire le cours de la maladie, plusieurs systémes de notation composite ont été proposés, mais aucun na encore été largement accepté. Cependant, il semble probable quà Iavenir, une combinaison dIRM et de biomarqueurs biochimiques servira de base pour la décision thérapeutique dans la SEP et permettra une approche individualisée.

38

Ellis, Leroy, and Ann L. Fincannon. "Analytical improvements in irm-GC/MS analyses: Advanced techniques in tube furnace design and sample preparation." Organic Geochemistry 29, no. 5-7 (November 1998): 1101–17. http://dx.doi.org/10.1016/s0146-6380(98)00157-0.

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39

Dvornik, Josip, Damir Lazarevic, Antonia Jaguljnjak Lazarevic, and Marija Demsic. "Nonrecursive Equivalent of the Conjugate Gradient Method without the Need to Restart." Advances in Civil Engineering 2019 (April 11, 2019): 1–5. http://dx.doi.org/10.1155/2019/7527590.

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A simple alternative to the conjugate gradient (CG) method is presented; this method is developed as a special case of the more general iterated Ritz method (IRM) for solving a system of linear equations. This novel algorithm is not based on conjugacy; i.e., it is not necessary to maintain overall orthogonalities between various vectors from distant steps. This method is more stable than CG, and restarting techniques are not required. As in CG, only one matrix-vector multiplication is required per step with appropriate transformations. The algorithm is easily explained by energy considerations without appealing to the A-orthogonality in n-dimensional space. Finally, relaxation factor and preconditioning-like techniques can be adopted easily.

40

Hodel, J., M. Rodallec, S. Gerber, R. Blanc, A. Maraval, S. Caron, L. Tyvaert, M. Zuber, and M. Zins. "Séquences IRM « SWAN, SWI et VenoBOLD » exploitant le phénomène de susceptibilité magnétique : principes techniques et applications cliniques." Journal of Neuroradiology 39, no. 2 (May 2012): 71–86. http://dx.doi.org/10.1016/j.neurad.2011.11.006.

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41

Caudron, J., H. Belhiba Blah, D. Bertrand, J. Fares, and J. N. Dacher. "CV-WS-15 Evaluation de la fonction diastolique ventriculaire gauche en IRM : interet, techniques et resultats preliminaires." Journal de Radiologie 89, no. 10 (October 2008): 1544. http://dx.doi.org/10.1016/s0221-0363(08)76758-1.

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42

Covin, B., M. Roumiguié, J. B. Beauval, M. Quintyn Ranty, P. Graff, J. Khalifa, R. Aziza, G. Ploussard, D. Portalez, and B. Malavaud. "Biopsies prostatiques transpérinéales en fusion élastique échographie transrectale-IRM : aspects techniques et résultats d’une série de 50 cas." Progrès en Urologie 28, no. 13 (November 2018): 741–42. http://dx.doi.org/10.1016/j.purol.2018.07.234.

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43

Bourzoufi, Mariam, Bouziane Nedjar, Tahiri Hafssa, Saadi Hanan, and Ahmed Mimouni. "OBSTETRICAL PROGNOSIS AFTER UTERINE SEPTUM SECTION BY HYSTEROSCOPYABOUT A CASE REPORT." International Journal of Advanced Research 10, no. 03 (March 31, 2022): 558–62. http://dx.doi.org/10.21474/ijar01/14418.

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The septate uterus is the most common congenital uterine malformation resulting from a resorption defect of the inter-mullerian septum. It is frequently associated with conception abnormalities such as early recurrent spontaneous miscarriage (FCS) and late recurrent miscarriage (FCT) but also with fertility abnormalities, without a clear mechanism. The imaging techniques used to diagnose a septate uterus are based on : Endo-vaginal ultrasound, diagnostic hysteroscopy and IRM pelvic . Surgical treatment is based on septum sectioning which is a minimally invasive surgical technique with low risk of complications. This septal section significantly improves the obstetrical prognosis in women with a desire for pregnancy.

44

Barry De Longchamps, N., F. Cornud, A. Schull, N. Bouazza, T. Flam, M. Zerbib, and M. Peyromaure. "IRM avant biopsies de la prostate : comparaison des biopsies randomisées et ciblées en utilisant trois techniques différentes de fusion d’image." Progrès en Urologie 22, no. 13 (November 2012): 770–71. http://dx.doi.org/10.1016/j.purol.2012.08.073.

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45

Wu, K. T., A. K. Fischer, V. A. Maroni, and M. W. Rupich. "Raman microscopy examination of phase evolution in Bi(Pb)–Sr–Ca–Cu–O superconducting ceramics." Journal of Materials Research 12, no. 5 (May 1997): 1195–204. http://dx.doi.org/10.1557/jmr.1997.0168.

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Raman microspectroscopy (RMS) and imaging Raman microscopy (IRM) were used to probe the composition and spatial distribution of chemical phases in Bi(Pb)–Sr–Ca–Cu–O (BSCCO) ceramic superconductor powders and silver-BSCCO composites. The Raman techniques were used to identify various phases, including alkaline earth cuprates, CuO, Bi-2212, Bi-2223, and Pb-containing phases. Changes in the Ca/Sr ratios in (Ca, Sr)2CuO3 phases were distinguished by differences in orientation with respect to polarization of the exciting radiation. Variations were observed in the content and distribution of lead in various phases formed during intermediate stages of the thermal processing of composite conductors. The spatial distribution of the various phases detected in powder and composite conductors was established to a resolution of a few microns by collecting images of the Raman scattering at wavelengths corresponding to the signature peaks of the observed phases. Reference Raman spectra of the major phases observed in the BSCCO system are also reported. The Raman techniques, when combined with complementary techniques, such as x-ray diffraction and electron microscopy, can provide valuable information about the reaction paths and mechanisms of the high temperature BSCCO superconducting ceramics.

46

Ghani, Muhammad Usman, Muhammad Kashif Maqbool, Reny George, Austine Efut Ofem, and Murat Cancan. "Entropies Via Various Molecular Descriptors of Layer Structure of H3BO3." Mathematics 10, no. 24 (December 19, 2022): 4831. http://dx.doi.org/10.3390/math10244831.

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Entropy is essential. Entropy is a measure of a system’s molecular disorder or unpredictability, since work is produced by organized molecular motion. Entropy theory offers a profound understanding of the direction of spontaneous change for many commonplace events. A formal definition of a random graph exists. It deals with relational data’s probabilistic and structural properties. The lower-order distribution of an ensemble of attributed graphs may be used to describe the ensemble by considering it to be the results of a random graph. Shannon’s entropy metric is applied to represent a random graph’s variability. A structural or physicochemical characteristic of a molecule or component of a molecule is known as a molecular descriptor. A mathematical correlation between a chemical’s quantitative molecular descriptors and its toxicological endpoint is known as a QSAR model for predictive toxicology. Numerous physicochemical, toxicological, and pharmacological characteristics of chemical substances help to foretell their type and mode of action. Topological indices were developed some 150 years ago as an alternative to the Herculean, and arduous testing is needed to examine these features. This article uses various computational and mathematical techniques to calculate atom–bond connectivity entropy, atom–bond sum connectivity entropy, the newly defined Albertson entropy using the Albertson index, and the IRM entropy using the IRM index. We use the subdivision and line graph of the H3BO3 layer structure, which contains one boron atom and three oxygen atoms to form the chemical boric acid.

47

Steinke, Hetzer, and Demartines. "Stuhlinkontinenz: Abklärung, Behandlungskonzept und neue Therapieansätze." Praxis 91, no. 42 (October 1, 2002): 1733–40. http://dx.doi.org/10.1024/0369-8394.91.42.1733.

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L'incontinence des selles est un problème qui entraine un isolement social et dont la fréquence est sous-estimée parce que les patients n'en parlent que trop peu souvent. De nouvelles méthodes d'investigations multidisciplinaires, comme par exemple la défécographie par IRM, ont amélioré de façon considérable le diagnostic et ainsi que la connaissance pathophysiologique. Grâce à de nouveaux concepts thérapeutiques et de nouvelles techniques, il est souvent possible de guérir l'incontinence ou, au moins, d'en améliorer les symptômes de façon considérable. Des développements modernes comme par exemple la stimulation nerveuse sacrale ont ouvert de nouvelles voies thérapeutiques prometteuses. Ce travail présente une revue des causes, des étapes diagnostiques ainsi que des possibilités d'une approche conservatrice et chirurgicale de l'incontinence des selles.

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Niandou, A. M., Linda El Allani, T. S. Bah, A. Marzouki, K. Lahrach, and F. Boutayeb. "Recurrent Shoulder Dislocation: Epidemiological and Therapeutic Aspects (About 30 Cases)." EAS Journal of Medicine and Surgery 4, no. 10 (November 6, 2022): 198–206. http://dx.doi.org/10.36349/easjms.2022.v04i10.001.

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Shoulder dislocation reflects a complete loss of contact between the humeral head and the glenoid cavity. It is a frequent pathology and is the most common dislocation in the body. More frequent in young adults with a clear male predominance, which can lead to a socio-professional and sporting handicap. The diagnosis of glenohumeral instability is most often clinical. Standard radiography is sufficient for bone assessment. Arthroscanner and arthro-irm are currently the most effective techniques for confirming the diagnosis, assessing the extent and severity of the lesions, and searching for associated lesions. The treatment is surgical, the LATARJET operation remains the gold standard of treatment of instability of the shoulder. It allows the recovery of joint mobility as well as satisfactory joint stability.

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Guérif, S., C. Évrard, A. Berger, O. Didas, and B. Gurvan. "Étude des paramètres techniques et dosimétriques d’une cohorte de curiethérapie utéro-vaginale de haut débit de dose multifractionnée tridimensionnelle guidée par IRM." Cancer/Radiothérapie 20, no. 6-7 (October 2016): 742–43. http://dx.doi.org/10.1016/j.canrad.2016.08.079.

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Dotti, Müller, and Benini. "Klinik, Ätiologie, Pathogenese, Diagnostik und Therapie der aseptischen Knochennekrosen – eine aktuelle Literaturanalyse." Praxis 91, no. 5 (January 1, 2002): 163–76. http://dx.doi.org/10.1024/0369-8394.91.5.163.

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Avec l'augmentation des examens par IRM, la détection précoce de nécroses avasculaires et leurs traitements ont pris une importance considérable. Les recherches intenses durant cette dernière décennie dans le domaine de l'ostéonécrose ont permis de développer divers modèles éthiopathogéniques et de nouvelles modalités thérapeutiques. Les résultats à long terme des interventions chirurgicales sont actuellement disponibles. Celles-ci peuvent être considérées comme traitement-standard ou être complétées par des techniques innovatrices (plastie mosaïque, transplantation de chondrocytes). Le but de ce travail est de présenter grâce aux données de la littérature une revue complète des domaines de la nécrose osseuse, de l'ostéochondrose et de l'ostéochondrite dissécante. On peut classer ces maladies, sur la base des connaissances à disposition, dans un même groupe puisqu'elles ont un facteur étiologique commun: la charge mécanique. Les données individuelles de la littérature sont utilisées pour obtenir un tableau commun de ces maladies.

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