نتایج جستجو برای: shape effects

تعداد نتایج: 1713503  

Journal: :Neurocomputing 2016
Hei Long Chan Hangfan Li Lok Ming Lui

Alzheimer's disease (AD) is a no-cure disease that has been frustrating the scientists for many years. Analyzing the disease has become an important but challenging research topic. The shape analysis of the sub-cortical structure of AD patients has been commonly used to understand this disease. In this paper, we assess the feasibility of using shape information on the hippocampal (HP) surfaces ...

Journal: :journal of nanostructures 0
angelica silva división de estudios de posgrado, instituto tecnológico de toluca sonia martinez-gallegos división de estudios de posgrado, instituto tecnológico de toluca genoveva rosano-ortega universidad popular autónoma del estado de puebla (upaep) pablo schabes-retchkiman instituto de física, universidad nacional autónoma de méxico carlos vega-lebrun universidad popular autónoma del estado de puebla (upaep) veronica albiter división de estudios de posgrado, instituto tecnológico de toluca

nanomaterials (nms) are widely used in health and biomedical applications, however, only a few studies investigate their toxic effects.  the present report signifies a contribution to the study of the toxic effects of silver nanoparticles (ag nps)  on   e. coli cells, which is a model organism of anthropogenic pollution. the toxicity of nanoparticles depends on their  chemical and surface prope...

2006
Iwona Janicka I. Janicka

Meta-analysis is a standard statistical method used to combine the conclusions of individual studies that are related and the results of single study alone can not answered to deal with issues. The data are summarized by one or more outcome measure estimates along with their standard errors. The multivariate model and the variations between studies are not considered in most articles. Here we d...

1999
Peter Egger

This paper sheds some light on the problems associated with random effects gravity approaches. Arguments for the superiority of a fixed effects model are given both along intuitive and econometric lines based on a Hausman test.  2000 Elsevier Science S.A. All rights reserved.

Journal: :JORS 2008
R. Bachan B. Reilly R. Witt

This paper uses data drawn from the English Football League to model separate hazard rates for club managers for the 2001/2, 2002/3 and 2003/4 seasons. On average over the three seasons, approximately one-third of managers involuntarily exited employment status with their club. We model the hazard using a standard logistic model exploiting information on the spell at risk rather than the indivi...

A. Akbarpour , H. Chiti, H. R. Naseri, M. Khatibinia,

This study focuses on the shape optimization of concrete gravity dams considering dam–water–foundation interaction and nonlinear effects subject to earthquake. The concrete gravity dam is considered as a two–dimensional structure involving the geometry and material nonlinearity effects. For the description of the nonlinear behavior of concrete material under earthquake loads, the Drucker–Prager...

Journal: :Acta Mechanica Solida Sinica 2021

A Correction to this paper has been published: https://doi.org/10.1007/s10338-021-00214-2

Journal: :iranian journal of medical physics 0
alireza vejdani-noghreiyan physics department, faculty of sciences, university of neyshabur, neyshabur, iran atiyeh ebrahimi-khankook physics department, faculty of sciences, university of neyshabur, neyshabur, iran

introduction international commission on radiological protection (icrp) has provided a comprehensive discussion on threshold dose for radiation-induced cataract in icrp publication 116. accordingly, various parts of the eye lens have different radio-sensitivities. recently, some studies have been performed to develop a realistic eye model with the aim of providing accurate estimation of fluence...

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