نتایج جستجو برای: normal anisotropy

تعداد نتایج: 591040  

2002
M. J. Donahue G. Vértesy M. Pardavi-Horvath

An array of 42 μm square, 3 μm thick garnet particles has been studied. The strong crystalline uniaxial anisotropy of these particles results in the stable remanent state being single domain with magnetization parallel to the film normal. Magnetooptic measurements of individual particles provide distribution statistics for the easy-axis switching field Hsw, and the in-plane hard-axis effective ...

Journal: :Investigative ophthalmology & visual science 1998
S Fawcett J E Raymond W F Astle C M Skov

PURPOSE To quantify motion sensitivity in patients with infantile esotropia who, as a subgroup, have been previously reported to have abnormal oculomotor control. In addition, to probe abnormal binocular development as a factor underlying abnormal motion perception in infantile esotropia (IE), motion sensitivity was compared among participants with and without stereopsis. METHODS Monocular se...

2001
Georg LIIDJA

Electron paramagnetic resonance spectra of a selected -irradiated human tooth enamel fragment expressed anisotropy that increased considerably after thermal annealing. By repeated irradiation, the spectrum of the fragment approached the disoriented (powder type) spectrum, but repeated thermal treating restored the anisotropy. The anisotropy is characteristic of an ensemble of hydroxyapatite nan...

Journal: :Diagnostic and interventional radiology 2012
Neslihan Taşdelen Bengi Gürses Özgür Kiliçkesmez Zeynep Firat Geysu Karlikaya Mustafa Tercan Aziz Müfit Uluğ Ahmet Nevzat Gürmen

PURPOSE We aimed to investigate the efficacy of diffusion tensor imaging in the diagnosis of carpal tunnel syndrome and to obtain a quantitative parameter that may contribute to the diagnosis. MATERIALS AND METHODS The median nerves in 57 wrists of 38 patients diagnosed as carpal tunnel syndrome and 30 wrists of 24 normal subjects were prospectively evaluated with a 3T Philips scanner, using ...

Naturally occurred soil deposits inherit heterogeneity and anisotropy in their strength properties. The main purpose of this paper is to model the soil stratum with anisotropy consideration and spatially varying undrained shear strength by using random field theory coupled with finite difference numerical analysis to evaluate their effect on the bearing capacity of the shallow foundations. In t...

ژورنال: ژئوفیزیک ایران 2018

The Zagros collision zone is known as an active tectonic zone that represents the tectonic boundary between the Eurasian and Arabian plates. A popular strategy for gaining insight into the upper mantle processes is to examine the splitting of seismic shear waves and interpret them in terms of upper mantle anisotropy and deformation. Core phases SK(K)S from over 278 earthquakes (MW ≥ ...

Naturally formation of soil deposits leads to anisotropy and heterogeneity in their properties. The aim of this study is modeling of soil having anisotropic and heterogeneous strength using finite difference method to estimate the effect of these on slope stability in undrained condition. In this study the soil cohesion is considered as an anisotropic and heterogeneous variable and assumed to h...

Journal: :فیزیک زمین و فضا 0
مروارید ساکی دانش آموخته زلزله شناسی، پژوهشگاه بین المللی زلزله شناسی و مهندسی زلزله، تهران، ایران غلام جوان دولویی استادیار، پژوهشگاه بین المللی زلزله شناسی و مهندسی زلزله، تهران، ایران احمد سدیدخوی استادیار، گروه فیزیک زمین، مؤسسة ژئوفیزیک دانشگاه تهران، ایران

the seismic anisotropy is a subject of interest for seismologists and geologists. the information of seismic anisotropy has significant role in geology interpretations (savage, 1999). in this study, we have investigated the upper crust anisotropy in bam area by means of shear wave splitting sg phase. we have selected more than three hundred aftershocks from iiees local temporary seismic network...

AKBAR ZADEH A., , SALARI M., ,

AA3004 alloy is widely used in can making. The major concern in the production of canbodies is earing, which develop by high planar anisotropy of rolled sheet. Balance ofrecrystallisation and rolling textures together with a uniform and fine grain microstructure canminimize the earing. The effects of finish rolling temperature (FRT) on planar anisotropy,microstructure, texture development and m...

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