نتایج جستجو برای: kappa angle

تعداد نتایج: 163212  

Journal: :Physical review 2021

Two-moment neutrino transport methods have been widely used for developing theoretical models of core-collapse supernova (CCSN), since they substantially reduce the computational burden inherent in multi-dimensional neutrino-radiation hydrodynamical simulations. The approximation, however, comes at a price; detailed structure angular distribution neutrinos is sacrificed, that main drawback this...

Journal: :Investigative ophthalmology & visual science 1994
C Buller D Johnson

PURPOSE Although numerous studies have examined morphologic changes in the trabecular meshwork of glaucomatous eyes, few have systematically looked for segmental variations around the circumference of the meshwork. If segmental variations occur, studies based on random sections or on single trabeculectomy specimens may not give a complete picture of the histologic changes in glaucoma. The purpo...

2016
Ben Langley Mary Cramp Stewart C Morrison

BACKGROUND The aim of this study was to determine the level of agreement between common clinical foot classification measures. METHODS Static foot assessment was undertaken using the Foot Posture Index (FPI-6), rearfoot angle (RFA), medial longitudinal arch angle (MLAA) and navicular drop (ND) in 30 participants (29 ± 6 years, 1.72 ± 0.08 m, 75 ± 18 kg). The right foot was measured on two occ...

2015
Vincent T. van Hees Séverine Sabia Kirstie N. Anderson Sarah J. Denton James Oliver Michael Catt Jessica G. Abell Mika Kivimäki Michael I. Trenell Archana Singh-Manoux Delphine S. Courvoisier

Wrist-worn accelerometers are increasingly being used for the assessment of physical activity in population studies, but little is known about their value for sleep assessment. We developed a novel method of assessing sleep duration using data from 4,094 Whitehall II Study (United Kingdom, 2012-2013) participants aged 60-83 who wore the accelerometer for 9 consecutive days, filled in a sleep lo...

Journal: :Journal of vision 2010
Esther Berrio Juan Tabernero Pablo Artal

We explored the relative changes in ocular, corneal, and internal aberrations associated with normal aging with special emphasis in the role of ocular alignment and lens shape factor in the balance of aberrations. Ocular and corneal aberrations together with the angle kappa were measured for a 5-mm pupil diameter in 46 eyes with low refractive errors and ages ranging between 20 and 77 years. Th...

2017
Gustavo Silva Siécola Leopoldino Capelozza Diego Coelho Lorenzoni Guilherme Janson José Fernando Castanha Henriques

INTRODUCTION: Subjective facial analysis is a diagnostic method that provides morphological analysis of the face. Thus, the aim of the present study was to compare the facial and dental diagnoses and investigate their relationship. METHODS: This sample consisted of 151 children (7 to 13 years old), without previous orthodontic treatment, analyzed by an orthodontist. Standardized extraoral an...

2017
Cristina Gonzalez-Martin Salvador Pita-Fernandez Teresa Seoane-Pillado Beatriz Lopez-Calviño Sonia Pertega-Diaz Vicente Gil-Guillen

BACKGROUND The measurements used in diagnosing biomechanical pathologies vary greatly. The aim of this study was to determine the concordance between Clarke's angle and Chippaux-Smirak index, and to determine the validity of Clarke's angle using the Chippaux-Smirak index as a reference. METHODS Observational study in a random population sample (n= 1,002) in A Coruña (Spain). After informed pa...

2015
Eric Chalmers Doug Hill Vicky Zhao Edmond Lou

Methods Data was obtained retrospectively from 28 AIS patients who had finished treatment (27 girls, 1 boy, aged 11-15 (mean 13), Cobb angles 20-44 degrees (mean 31), 21 daytime and 7 nighttime braces.) Patients were labelled ‘progressed’ if their Cobb angle had increased more than 5 degrees by the end of treatment, and ‘non-progressed’ otherwise. A fuzzy model was developed to predict treatmen...

2010
Christian D Peterlein Karl F Schüttler Stefan Lakemeier Nina Timmesfeld Christian Görg Susanne Fuchs-Winkelmann Markus D Schofer

BACKGROUND Ultrasonography of the hip has gained wide acceptance as a primary method for diagnosis, screening and treatment monitoring of developmental hip dysplasia in infants. The aim of the study was to examine the degree of concordance of two objective classifications of hip morphology and subjective parameters by three investigators with different levels of experience. METHODS In 207 con...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه محقق اردبیلی - دانشکده ریاضی 1393

در این پایان نامه، با فرض اینکه ‎ v‎ یک *c - مدول هیلبرت تولید شده ی شمارا روی یک ‎$ c^{ast} $,‎ـ جبر ‎$ a $‎ است، ثابت خواهیم کرد که دنباله ی ‎$ lbrace f_{i}:iin i brace subseteq v $‎ یک قاب استاندارد برای ‎$ v $‎ است اگر و تنها اگر سری ‎$ sum_{iin i} langle x,f_{i} angle langle f_{i},x angle $‎ برای هر ‎$ xin v $‎ همگرا (در نرم) باشد و ثابت های ‎$d>0$‎ و ‎$c $‎ موجود ب...

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