نتایج جستجو برای: radial mean energy

تعداد نتایج: 1274628  

2015
Weidong Wang Ting Zhang

Gardner and Zhang defined the notion of radial pth mean body (p > –1) in the Euclidean space Rn. In this paper, we obtain inequalities for dual quermassintegrals of the radial pth mean bodies. Further, we establish dual quermassintegrals forms of the Zhang projection inequality and the Rogers-Shephard inequality, respectively. Finally, Shephard’s problem concerning the radial pth mean bodies is...

Journal: :The Journal of chemical physics 2017
Sergey V Sukhomlinov Martin H Müser

The mean bond length d between a central atom and its nearest neighbors can be estimated from the position of the first peak in the radial distribution function g(r). However, as we demonstrate here, this estimate does not allow one to deduce temperature-induced changes in d. Instead, skewness has to be included into the analysis, which can be achieved, for example, via the skew normal distribu...

Journal: :The Journal of chemical physics 2008
Luca Maragliano Eric Vanden-Eijnden

A simple, efficient, and accurate method is proposed to map multidimensional free energy landscapes. The method combines the temperature-accelerated molecular dynamics (TAMD) proposed in [L. Maragliano and E. Vanden-Eijnden, Chem. Phys. Lett. 426, 168 (2006)] with a variational reconstruction method using radial-basis functions for the representation of the free energy. TAMD is used to rapidly ...

2009
Bharat Ratra

We use the radial baryon acoustic oscillation (BAO) measurements of Gaztañaga et al. (2008a) to constrain parameters of dark energy models. These constraints are comparable with constraints from other “non-radial” BAO data. The radial BAO data are consistent with the time-independent cosmological constant model but do not rule out time-varying dark energy. Subject headings: cosmological paramet...

2008
P. Sharma E. Quataert J. M. Stone

We study the effects of anisotropic thermal conduction on magnetized spherical accretion flows using global axisymmetric MHD simulations. In low collisionality plasmas, the Bondi spherical accretion solution is unstable to the magnetothermal instability (MTI). The MTI grows rapidly at large radii where the inflow is subsonic. For a weak initial field, the MTI saturates by creating a primarily r...

ژورنال: سنجش و ایمنی پرتو 2020

Radiotherapy using linear accelerators is known as an effective modality for cancer treatment. The photons energy of treatment beams significantly affect the dose distribution. Therefore, it is important to accurately evaluate the photon energy spectra. In this study, MCNPX Monte Carlo code (version 2.6.0) was used to simulate an 18 MV photon beam of a Varian 2100C/D linear accelerator. By matc...

Journal: :trauma monthly 0
abolfazl bagherifard bone and joint reconstruction research center, shafa orthopedic hospital, iran university of medical sciences, tehran, ir iran davod jafari bone and joint reconstruction research center, shafa orthopedic hospital, iran university of medical sciences, tehran, ir iran hassan keihan shokouh hamadan university of medical sciences, hamadan, ir iran ebrahim motavallian general surgeon, baqiyatallah hospital, tehran, ir iran farid najd mazhar bone and joint reconstruction research center, shafa orthopedic hospital, iran university of medical sciences, tehran, ir iran; bone and joint reconstruction research center, shafa orthopedic hospital, iran university of medical sciences, tehran, ir iran. tel: +98-9121463048, fax: +98-2133542020

conclusions this study did not show that distal radius anatomical indices including the radial height, radial inclination, ulnar variance and volar tilt influence perilunate fracture dislocation as risk factors. background distal radius radiographic indices may play a role as risk factors in pathogenesis of kienbock’s disease, scaphoid fracture and non:union:. perilunate fracture dislocations a...

Journal: :Bulletin of the American Meteorological Society 1997

2013
YuLin Li GuangZhi Ning Qiang Wu QiuLi Wu Yan Li ShiQing Feng

BACKGROUND Radial nerve palsy associated with fractures of the shaft of the humerus is the most common nerve lesion complicating fractures of long bones. However, the management of radial nerve injuries associated with humeral fractures is debatable. There was no consensus between observation and early exploration. METHODS AND FINDINGS The PubMed, Embase, Cochrane Central Register of Controll...

Background: Radial head fractures commonly occur during elbow traumas. Among those, treatment of Mason type IIIfractures is still under controversy. Common treatment methods for these fractures include open reduction and internalfixation (ORIF) as well as radial head excision. In this study, we compared long-term outcomes of both methods intreatment of patients with Mason type III fractures of ...

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