Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 8 of 8 for “"asphericity"”.
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Asphericity and spherical aberrations in untreated eyes: a retrospective analysis of topographic and aberrometric data
Σκοπός: Σκοπός της παρούσας μελέτης ήταν ο χαρακτηρισμός της ασφαιρικότητας του κερατοειδούς (τιμή Q) και των οφθαλμικών εκτροπών σε μεγάλο δείγμα μη χειρουργημένων οφθαλμών με χρήση σύγχρονου διαγνωστικού μηχανήματος. Συγκεκριμένα, επιδιώξαμε να περιγράψουμε τις ηλικιακές μεταβολές διαφόρων …
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Optimierung visueller und quantitativer Bildparameter in der FDG-PET/CT Diagnostik bei Patienten mit nicht-kleinzelligem Lungenkarzinom
… bildbasierten Biomarker der FDG-PET/CT, der Asphericity, und dessen Potenzial, die Vorhersage des progressionsfreien Überlebens und Gesamtüberlebens der Patientinnen und Patienten zu verbessern. Zudem werden methodische Einflussgrößen auf die Reproduzierbarkeit dieses Biomarkers untersucht.
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Geometric methods in the study of Pride groups and relative presentations
… of Conditions (I), (II), (H-I), (H-II), and the asphericity condition. We will always assume that a Pride group satisfies one of these conditions. In Section 2.2 we survey the known results that appear in the literature, while in Section 2.3 we present our original results. We obtain …
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Toward a demonstration of a Light Force Accelerometer
… in proof mass position detection caused by the asphericity of microspheres. In this thesis, an alternative method for position detection which was less sensitive to shape-irregularities in microspheres was investigated. Results indicated that resolution of microsphere motion was enhanced …
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Amphiphilic linear-dendritic block copolymers for drug delivery
… indicated that the micelles displayed greater asphericity than dendrimers.
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Self-organization in systems of anisotropic particles
… pressure and two measures of particle asphericity borrowed from other fields. In Chapter 4, we shift focus to systems of soft particles in two dimensions and on the surface of a sphere. Soft particles are particles with a nite interaction potential at zero distance; such particles …
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Analysis of exoplanetary transit light curves
… to make the first empirical measurement of asphericity in an exoplanet shape. In particular, we constrain the parameters describing an oblate spheriod shape for HD 189733b and, attributing oblateness to rigid-body rotation, we place lower bounds on the rotation period of the exoplanet.
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Influence of ocular monochromatic aberrations in the development and/or progression of myopia
… in crystalline lens characteristics such as asphericity, curvature, refractive index between refractive error groups and with ocular growth and needs further investigation.