نتایج جستجو برای: three layered plate

تعداد نتایج: 1372724  

Journal: :International Journal of Computer Vision 2015

2008
Kevin W. Lewis Oded Aharonson John P. Grotzinger Steven W. Squyres James F. Bell Larry S. Crumpler Mariek E. Schmidt

[1] Home Plate is a layered plateau observed by the Mars Exploration Rover Spirit in the Columbia Hills of Gusev Crater. The structure is roughly 80 m in diameter, and the raised margin exposes a stratigraphic section roughly 1.5 m in thickness. Previous work has proposed a pyroclastic surge, possibly followed by aeolian reworking of the ash, for the depositional origin for these beds. We have ...

Journal: :Cerebral cortex 1998
G D Rosen K M Jacobs D A Prince

Neonatal freeze lesions to the cortical plate result in focal malformations of the cerebral cortex that resemble four-layered microgyria. These malformations have been associated with local and distant changes in neuronal architecture, and have been implicated in the neocortical epileptiform discharges that can spread up to 4 mm away from the malformation itself. In an effort to assess potentia...

Elham Piruzan Mehdi Zehtabian, Sedigheh Sina Zahra Molaiemanesh,

Introduction Lead-based shields are the most widely used attenuators in X-ray and gamma ray fields. The heavy weight, toxicity and corrosion of lead have led researchers towards the development of non-lead shields. Materials and Methods The purpose of this study was to design multi-layered shields for protection against X-rays and gamma rays in diagnostic radiology and nuclear medicine. In this...

2008
H. Zhang S. Y. Tan H. S. Tan

This paper presents an improved method for microwave nondestructive dielectric measurement of layered media using a parallel-plate waveguide probe. The method bases on measuring the S parameter S11 or reflection coefficient from the N -layer media over the range of 1 to 10 GHz. Formulation for the aperture admittance is presented which allows the solving of the inverse problem of extracting the...

Journal: :Journal of Mathematical Sciences 2023

Three-dimensional dynamic problem for a layered orthotropic elastic shell with free upper face is considered. The interfaces between the layers are assumed to be in perfect contact and displacements of one prescribed. A long-wave asymptotic solution constructed thickness resonances determined. obtained results can applied evaluation some parameters earthquakes.

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