PURPOSE To evaluate the displacement of the central ocular surface during non-contact tonometry with and without soft contact lenses and determine the factors associated with the displacement of the central ocular surface and intraocular pressure (IOP) reading changes caused by wearing soft contact lenses (CLs). METHODS One eye each in 21 subjects was studied. The cornea was photographed usin...

Direct numerical simulations of a turbulent boundary layer over a bump were performed to examine the effects of surface longitudinal curvature on wall pressure fluctuations (pw) and flow induced noise. Turbulence statistics and frequency spectra were obtained to elucidate the response of wall pressure fluctuations to the longitudinal curvature and to the corresponding pressure gradient. Wall pr...

MOTIVATION Our goal is to develop a screening platform for quantitative profiling of colony organizations in 3D cell culture models. The 3D cell culture models, which are also imaged in 3D, are functional assays that mimic the in vivo characteristics of the tissue architecture more faithfully than the 2D cultures. However, they also introduce significant computational challenges, with the main ...

In this paper, we prove a general maximum principle for the time dependent Lichnerowicz heat equation on symmetric tensors coupled with the Ricci flow on complete Riemannian manifolds. As an application we construct complete manifolds with bounded nonnegative sectional curvature of dimension greater than or equal to four such that the Ricci flow does not preserve the nonnegativity of the sectio...

There are no reasons why the singularity in the growth of the dilaton coupling should not be regularised, in a string cosmological context, by the presence of classical inhomogeneities. We discuss a class of inhomogeneous dilaton-driven models whose curvature invariants are all bounded and regular in time and space. We prove that the non-space-like geodesics of these models are all complete in ...

Fisher’s method of scoring is probably the most important general algorithm in statistics. This paper picks out those aspects of curvature, normal and statistical, which are relevant to its convergence properties. For any particular data set the convergence of the algorithm near the maximum likelihood estimate depends on the eigenvalues of the convergence matrix, the derivative of the iteration...

large sums of fruits are annually wasted due to mechanical damage and bruise inflicted upon them during harvesting, handling, storage and packaging. the research which has been done to analyze the mentioned processes mostly used practical operational techniques with the results being applicable in certain defined conditions. the aim of this research was to develop computer models for an optimiz...

we establish some relative volume comparison theorems for extremal volume forms of‎ ‎finsler manifolds under suitable curvature bounds‎. ‎as their applications‎, ‎we obtain some results on curvature and topology of finsler manifolds‎. ‎our results remove the usual assumption on s-curvature that is needed in the literature‎.

OBJECTIVE To develop a new method to describe cervical spine curvature and evaluate the potential for injury in the upper and lower cervical spine during simulated whiplash. DESIGN A method was developed to integrate the upper and lower cervical spine rotations and describe the spine curvature. BACKGROUND In vivo and in vitro whiplash simulations have documented the development of an S-shap...

We have implemented coherent gradient sensing (CGS) as an in-situ diagnostic in an MOCVD reactor to measure curvature and changes in curvature with varying temperature and O2 partial pressure on thin ̄lm YBCO on MgO (001) substrates. CGS is a novel, real-time, full̄eld optical technique that provides a direct map of the components of the curvature tensor across the surface of the wafer. We have ...