نتایج جستجو برای: radius of curvature

تعداد نتایج: 21170705  

Journal: :World journal of ophthalmology & vision research 2022

To study and determine the relationship between eye axial length corneal radius of curvature, as entire advancements in medicine have originated from basic studies. The goal research is to average size different parts body their relationship.

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2001
V Kumaran

The modification of the curvature moduli due to surface charges in lipid bilayers is analyzed using the nonlinear Poisson-Boltzmann equation for the relationship between the charge density and surface potential. An expansion in a small parameter epsilon, which is the ratio of the Debye length and the radius of curvature, is used. At low charge densities, previous results obtained from the Debye...

Journal: :The Journal of Japan Institute of Navigation 2012

Journal: :Journal of the American Mathematical Society 2005

Journal: Desert 2009
A.H Ehsani F. Quiel

Abstract This paper presents a robust approach using artificial neural networks in the form of a Self Organizing Map (SOM) as a semi-automatic method for analysis and identification of morphometric features in two completely different environments, the Man and Biosphere Reserve “Eastern Carpathians” (Central Europe) in a complex mountainous humid area and Yardangs in Lut Desert, Iran, a hyper...

Journal: :Investigative ophthalmology & visual science 1980
R D Freeman

Keratometric measurements were made from 38 kittens and cats in a closed breeding colony. Data were obtained on changes of radius of curvature of the cornea as a function of age and weight. The measurements also provided data on estimated changes with growth of corneal astigmatism.

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده مهندسی عمران 1391

deployable scissor type structures are composed of the so-called scissor-like elements (sles), which are connected to each other at an intermediate point through a pivotal connection and allow them to be folded into a compact bundle for storage or transport. several sles are connected to each other in order to form units with regular polygonal plan views. the sides and radii of the polygons are...

2007
Pierre A. Gremaud Zhilin Li Ralph C. Smith Hien T. Tran Chad Bouton Bryan Cunningham Karla Mossi Tien M. Nguyen

shop which was the fourth one held at NCSU, brought together 36 graduate students from various graduate programs across the country (see participants section for a list of students and their institutions). These graduate students represented a large number of graduate programs across the country including the The students were divided into six teams working on \industrial mathematics" problems ...

2013
Atsushi Shirai Sunao Masuda

The authors have previously presented a mathematical model to predict transit time of a neutrophil through an alveolar capillary segment which was modeled as an axisymmetric arc-shaped constriction settled in a cylindrical straight pipe to investigate the influence of entrance curvature of a capillary on passage of the cell. The axially asymmetric cross section of a capillary also influences th...

2004
GREGORY BUCK JONATHAN SIMON

We establish a new relationship between total curvature of knots and crossing number. If K is a smooth knot in R 3 , R the cross-section radius of a uniform tube neighborhood K, L the arclength of K, and κ the total curvature of K, then crossing number of K < 4 L R κ. The proof generalizes to show that for smooth knots in R 3 , the crossing number, writhe, Möbius Energy, Normal Energy, and Symm...

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