Tesi sul tema "MSCTZ"
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Tsang, Cheuk-kan Ken, e 曾卓勤. "Vertical handoff in heterogeneous wireless networks with mSCTP". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2008. http://hub.hku.hk/bib/B40687636.
Testo completoTsang, Cheuk-kan Ken. "Vertical handoff in heterogeneous wireless networks with mSCTP". Click to view the E-thesis via HKUTO, 2008. http://sunzi.lib.hku.hk/hkuto/record/B40687636.
Testo completoDeng, Feng. "Seamless Handover between CDMA2000 and 802.11 WLAN using mSCTP". Thesis, University of Canterbury. Electrical and Computer Engineering, 2006. http://hdl.handle.net/10092/1174.
Testo completoAlbertini, Ascanio. "Validazione preliminare all'utilizzo di Cone Beam CT su distretti anatomici "non convenzionali": confronto di dose al paziente e image quality su immagini acquisite con TAC convenzionale". Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2021. http://amslaurea.unibo.it/22943/.
Testo completoCowan, Kathi Grit [Verfasser]. "Operationspflichtigkeit von Milzverletzungen bei Polytraumapatienten nach MSCT-Kriterien / Kathi Grit Cowan". Greifswald : Universitätsbibliothek Greifswald, 2013. http://d-nb.info/1035673584/34.
Testo completoScherzberg-Doktorczyk, Astrid. "Nichtinvasive Koronarangiographie mit Mehrzeilen-Spiral-Computer-Tomographie (MSCT) bei Patienten mit Brustschmerz". Diss., lmu, 2008. http://nbn-resolving.de/urn:nbn:de:bvb:19-93306.
Testo completoScherzberg-Doktorczyk, Astrid Maria Elisabeth. "Nichtinvasive Koronarangiographie mit Mehrzeilen-Spiral-Computer-Tomographie (MSCT) bei Patienten mit Brustschmerz". kostenfrei, 2008. http://edoc.ub.uni-muenchen.de/9330/.
Testo completoSchuster, Alexander [Verfasser], e Heiko [Akademischer Betreuer] Alfke. "Exazerbation bei COPD - existieren Prädiktoren im MSCT? / Alexander Schuster ; Betreuer: Heiko Alfke". Marburg : Philipps-Universität Marburg, 2017. http://d-nb.info/1129381528/34.
Testo completoAñon, Taibo Javier. "Traumatic extra-axial hemorrhage : correlation of postmortem MSCT, MRI and forensic-pathological findings /". [S.l.] : [s.n.], 2009. http://www.ub.unibe.ch/content/bibliotheken_sammlungen/sondersammlungen/dissen_bestellformular/index_ger.html.
Testo completoFleureau, Julien. "Intégration de données anatomiques issues d'images MSCT et de modèles électrophysiologique et mécanique du coeur". Rennes 1, 2008. http://www.theses.fr/2008REN1S049.
Testo completoThis work contributes to the systemic interpretation of clinical data for the analysis of the regional cardiac function. A patient-specific approach, combining a realistic geometry and an electromechanical model of the ventricle is proposed. The work is divided into two parts: 1) Two original methods for 3D segmentation are proposed to extract cardiac structures from MSCT imaging: the first one, generic and multi-object, is based on a multi-agent framework; the second one, leads to a less detailed approximation of the heart geometry, combining region and boundary-based approaches in a hybrid method. Both methods are evaluated on real data; 2) A mesoscopic model of the left ventricle, coupling a discrete electrical model, a mechanical model integrating a visco-elastic law, solved by a finite element method and a hydraulic model, is presented. Verification is carried out by a set of simulations and a first parameter identification approach, based on real patient data is presented
Böhme, Georg-Eike. "Vergleich der Nicht Invasiven Koronarangiographie mit Vier-Zeilen Multislice Computertomographie (MSCT-A) und Invasiver Koronarangiographie bei Symptomatischen Patienten mit Verdacht auf Koronare Herzkrankheit". Diss., lmu, 2006. http://nbn-resolving.de/urn:nbn:de:bvb:19-53345.
Testo completoPoll, Ludger Wilhelm. "Computertomographie des Herzens experimentelle und klinische Studien zur Wertigkeit der hochauflösenden schnellen EKG-synchronisierten Mehrschicht-Spiral-Computertomographie (MSCT) in der nicht-invasiven Darstellung atherosklerotischer Wandverändungen der Koronargefässe /". [S.l.] : [s.n.], 2003. http://deposit.ddb.de/cgi-bin/dokserv?idn=970646437.
Testo completoΘαλασσινού, Στέλλα. "Patient radiation dosimetry in MSCT examinations". Thesis, 2010. http://nemertes.lis.upatras.gr/jspui/handle/10889/4592.
Testo completoΟι Υπολογιστικοί Τομογράφοι (ΥΤ) πολλαπλών τομών έχουν σημειώσει μεγάλη πρόοδο από την κλινική εφαρμογή τους στις αρχές του 1990. Λαμβάνοντας υπ’ όψιν ότι οι εξετάσεις ΥΤ συνεπάγονται υψηλή ακτινική επιβάρυνση του ασθενή, η μελέτη τους έχει συγκεντρώσει το ερευνητικό ενδιαφέρον της επιστημονικής κοινότητας. Η Διεθνής Επιτροπή Ακτινοπροστασίας (ICRP) επισημαίνει στην αναφορά Νο 87 ότι η απορροφούμενη δόση στους ιστούς από εξετάσεις ΥΤ είναι από τις υψηλότερες στη διαγνωστική ακτινολογία (10-100 mGy). Συνεπώς, σκοπός της παρούσας διπλωματικής εργασίας είναι ο υπολογισμός των δοσιμετρικών μεγεθών για τις συνήθεις εξετάσεις εγκεφάλου, θώρακος και άνω-κάτω κοιλίας, οι οποίες πραγματοποιούνται με τους ΥΤ πολλαπλών τομών Brilliance 16 και Βrilliance 64 της Philips στο Π.Γ.Ν “ΑΤΤΙΚΟΝ ”,καθώς επίσης και η σύγκριση των αντίστοιχων δόσεων μεταξύ των συγκεκριμένων ΥΤ. Οι ασθενείς που υποβάλλονται σε εξετάσεις θώρακος και άνω-κάτω κοιλίας που πραγματοποιούνται με ελικοειδή τεχνική λαμβάνουν επιπλέον δόση (overscan) που οφείλεται στην τεχνική αυτή. Η συνεισφορά του “overscan” είναι ιδιαίτερα σημαντική στους ΥΤ πολλαπλών τομών, οπότε επιπλέον στόχος αυτής της διπλωματικής είναι ο υπολογισμός της. Τέλος, πραγματοποιήθηκαν μετρήσεις της δόσης του θυρεοειδή και των φακών των οφθαλμών κατά την υποβολή ασθενών στη συνήθη εξέταση εγκεφάλου, τόσο στην περίπτωση παρουσίας των οφθαλμών εντός όσο και εκτός πεδίου ακτινοβόλησης.
CHOU, CHIEN-HUA, e 邱建華. "Trajectory-Aware Fast Mobile IPv6 Combine mSCTP Handover Mechanism". Thesis, 2019. http://ndltd.ncl.edu.tw/handle/44xpmz.
Testo completo中國科技大學
資訊工程系資訊科技應用碩士在職專班
107
Due to the rapid development of mobile technology, the mobile phone has become a necessity for modern people. In recent years, people are keen on the webcasting and watching video anytime and anywhere. These multimedia data generate a large amount of mobile data transmission and computing requirements. On the other hand, users require the fast and stable transmission, thus greatly increasing the challenge of mobile transmission. In the mobility management, the handover procedure plays an important role. During the mobile process, when the number of handover time increases, the problem of packet loss and transmission delay occur greatly. Therefore, how to reduce the number of node connections will be the focus of improving mobile transmission. Many relevant literatures propose improvement schemes, but these schemes are still many flaws and disadvantages. This paper proposes that the trajectory-aware fast mobile IPv6 (MIPv6) combined with the mobile Streaming Control Transmission Protocol (mSCTP) handover mechanism, called FmSCTP. Our scheme uses fast MIPv6 to reduce the handover latency and adjusts the congestion window (CWND)to improve the throughput via mSCTP. Then, it uses the navigation information to assist the handover decision. Finally, the simulation results show that our method has higher throughput, lower handover latency, and fewer the number of unnecessary handover.
Chen, Mei-Jen, e 陳美真. "Assess of the Clinical Radiation Dose of 64-MSCT Coronary Angiography". Thesis, 2010. http://ndltd.ncl.edu.tw/handle/57j8bs.
Testo completo元培科技大學
放射技術研究所
98
This study aimed to evaluate radiation dose of CT coronary angiography. Equipments used include TOSHIBA Aquilion 64 slice computed tomography; RANDO humanoid phantom and thermoluminescent dosimeter TLD-100H. Radiation does with and without ECG gating were obtained. To obtain the dose for cardiac gating the data is actually multiplied by correction factor (gating / non-gating ratio) 0.416 because the RANDO phantom cannot mimic human cardiac physiological phenomenon. ICRP does not take the heart as the critical organ. This study attempted to use the ICRP 60 report, with a proposed value 0.025 and the ICRP 103 report, a proposed value is 0.06, as the heart weighting factors. Under ICRP-60 criteria, the whole body effective dose excluding heart and including the heart without cardiac gating is 17.352 mSv, (equivalent of 867.62 chest x-rays) and 18.203 mSv (equivalent of 910.20 chest x-rays) respectively; an increase of 0.852 mSv (equivalent of 42.58 chest x-rays). Results without using the cardiac gating, under ICRP-130 criteria, the whole body effective dose excluding heart and including the heart is 18.161 mSv, (equivalent of 908.06 times chest x-rays) and 20.205 mSv (equiavalent of 1010.26 times chest x-rays) respectively; an increase of 2.044 mSv (equivalent of 102.20 times chest x-rays). Under ICRP-60 criteria, the whole body effective dose excluding heart and including the heart with ECG gating is 7.219 mSv (equivalent of 360.93 chest x-rays) and 7.573 mSv (equivalent of 378.64 chest x-rays) respectively; an increase of 0.354 mSv (equivalent of 17.71 times chest X-rays). Results with using the cardiac gating, under ICRP-130 criteria, the whole body effective dose excluding heart and including the heart is 7.555 mSv (equivalent of 377.75 chest x-rays) and 8.405 mSv (equivalent of 420.27 chest x-rays) respectively; an increase of 0.786 mSv (equivalent of 42.52 chest x-rays).
Tornquist, Katharina [Verfasser]. "Dosisoptimierung von MSCT-Protokollen mit Hilfe eines Verrauschungsprogrammes / vorgelegt von: Katharina Tornquist". 2010. http://d-nb.info/1004297203/34.
Testo completoKlenner, Friederike [Verfasser]. "Mehrzeilen-Spiral-CT (MSCT) des Abdomens : Dosisoptimierung unter Berücksichtigung der Bildqualität / vorgelegt von Friederike Klenner". 2010. http://d-nb.info/100062885X/34.
Testo completoKröpil, Patric [Verfasser]. "Vergleich von Ganzkörper-MSCT und konventioneller Radiographie in der Diagnostik des Multiplen Myeloms / vorgelegt von Patric Kröpil". 2007. http://d-nb.info/985705604/34.
Testo completoScherzberg-Doktorczyk, Astrid Maria Elisabeth [Verfasser]. "Nichtinvasive Koronarangiographie mit Mehrzeilen-Spiral-Computer-Tomographie (MSCT) bei Patienten mit Brustschmerz / vorgelegt von Astrid Maria Elisabeth Scherzberg-Doktorczyk". 2008. http://d-nb.info/991774566/34.
Testo completoAndabili, Ehsan [Verfasser]. "Untersuchungen zur Bildqualität und Dosis am Kopf und Beckenskelett bei der Mehrschicht-Spiral-CT(MSCT) : Vergleich mit der 3-dimensionalen digitalen Subtraktionsangiographie(DSA) / vorgelegt von Ehsan Andabili". 2009. http://d-nb.info/993936318/34.
Testo completoBöhme, Georg-Eike [Verfasser]. "Vergleich der nicht-invasiven Koronarangiographie mit Vier-Zeilen-Multislice-Computertomographie (MSCT-A) und invasiver Koronarangiographie bei symptomatischen Patienten mit Verdacht auf koronare Herzkrankheit / vorgelegt von Georg-Eike Böhme". 2006. http://d-nb.info/980229405/34.
Testo completoBaum, Thomas [Verfasser]. "Trabekuläre Struktur- und Knochendichteanalyse des proximalen Femurs in MSCT-Datensätzen mittels automatisierter Segmentierungs- und Platzierungstechniken in der Osteoporosediagnostik : Vergleich von Strukturparametern und Knochendichte mit Bruchlast in vitro / Thomas Baum". 2010. http://d-nb.info/1010529676/34.
Testo completoPoll, Ludger Wilhelm [Verfasser]. "Computertomographie des Herzens : experimentelle und klinische Studien zur Wertigkeit der hochauflösenden schnellen EKG-synchronisierten Mehrschicht-Spiral-Computertomographie (MSCT) in der nicht-invasiven Darstellung atherosklerotischer Wandverändungen der Koronargefäße / vorgelegt von Ludger Wilhelm Poll". 2003. http://d-nb.info/970646437/34.
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