نتایج جستجو برای: mini phantom

تعداد نتایج: 48571  

Journal: :Physical review fluids 2021

We extend the bridging Partially-Averaged Navier-Stokes (PANS) equations model to variable-density flow and develop a scale-dependent closure for complex flows. This includes $a$ $p\phantom{\rule{0}{0ex}}r\phantom{\rule{0}{0ex}}i\phantom{\rule{0}{0ex}}o\phantom{\rule{0}{0ex}}r\phantom{\rule{0}{0ex}}i$ testing guidelines efficient selection of parameters controlling resolution (range resolved sc...

2000
M. Ginjaume X. Ortega A. Barbosa

INTRODUCTION Wide agreement has been reached among the main Bodies and Organizations involved in standardization of radiation protection to define as operational quantity for individual monitoring of external exposure, the personal dose equivalent, Hp(d) (1,2,3). However, as Hp(d) is defined in the human body, it is not a measurable quantity. In practice, it has to be estimated from the indicat...

2015
Waldo Nogueira Leonid M. Litvak Aniket A. Saoji Andreas Büchner

Unbalanced bipolar stimulation, delivered using charge balanced pulses, was used to produce "Phantom stimulation", stimulation beyond the most apical contact of a cochlear implant's electrode array. The Phantom channel was allocated audio frequencies below 300 Hz in a speech coding strategy, conveying energy some two octaves lower than the clinical strategy and hence delivering the fundamental ...

Journal: :NeuroImage 2003
P Giraux A Sirigu

In humans, limb amputation or brachial plexus avulsion (BPA) often results in phantom pain sensation. Actively observing movements made by a substitute of the injured limb can reduce phantom pain, Proc. R. Soc. London B Biol. Sci. 263, 377-386). The neural basis of phantom limb sensation and its amelioration remains unclear. Here, we studied the effects of visuomotor training on motor cortex (M...

2014
Song Lee Joon-Il Choi Michael Yong Park Dong Myung Yeo Jae Young Byun Seung Eun Jung Sung Eun Rha Soon Nam Oh Young Joon Lee

PURPOSE To evaluate intra- and interobserver reliability of the gray scale/dynamic range of the phantom image evaluation of ultrasonography using a standardized phantom, and to assess the effect of interactive education on the reliability. METHODS Three radiologists (a resident, and two board-certified radiologists with 2 and 7 years of experience in evaluating ultrasound phantom images) perf...

2017
Sanne Kikkert Melvin Mezue David Henderson Slater Heidi Johansen-Berg Irene Tracey Tamar R. Makin

Following amputation, individuals ubiquitously report experiencing lingering sensations of their missing limb. While phantom sensations can be innocuous, they are often manifested as painful. Phantom limb pain (PLP) is notorious for being difficult to monitor and treat. A major challenge in PLP management is the difficulty in assessing PLP symptoms, given the physical absence of the affected bo...

Journal: :Physical review applied 2021

Low-resistance ohmic contacts are a prerequisite for implementing two-dimensional transition-metal dichalcogenides (2D TMDs) in host of applications. Edge offer unique advantages, yet their electrical properties not fully understood. Employing an $a\phantom{\rule{0}{0ex}}b$ $i\phantom{\rule{0}{0ex}}n\phantom{\rule{0}{0ex}}i\phantom{\rule{0}{0ex}}t\phantom{\rule{0}{0ex}}i\phantom{\rule{0}{0ex}}o...

Journal: :Physical review 2023

FeRhCrSi shows unconventional magnetic and transport properties. It belongs to one of the rare spintronic material classes, namely, spin semimetals. Transport measurements reveal its semimetallic nature, which is further confirmed by $a\phantom{\rule{0}{0ex}}b$ $i\phantom{\rule{0}{0ex}}n\phantom{\rule{0}{0ex}}i\phantom{\rule{0}{0ex}}t\phantom{\rule{0}{0ex}}i\phantom{\rule{0}{0ex}}o$ calculation...

Journal: :Physical review applied 2021

Low-resistance ohmic contacts are a prerequisite for implementing two-dimensional transition-metal dichalcogenides (2D TMDs) in host of applications. Edge offer unique advantages, yet their electrical properties not fully understood. Employing an $a\phantom{\rule{0}{0ex}}b$ $i\phantom{\rule{0}{0ex}}n\phantom{\rule{0}{0ex}}i\phantom{\rule{0}{0ex}}t\phantom{\rule{0}{0ex}}i\phantom{\rule{0}{0ex}}o...

Journal: :iranian journal of radiation research 0
f. babapour mofrad faculty of engineering, science and research branch, islamic azad university, tehran, iran r. aghaeizadeh zoroofi control and intelligent processing center of excellence, school of electrical and computer engineering, college of engineering, university of tehran, tehran, iran a. abbaspour tehrani fard electrical and electronic engineering school, sharif university of technology, tehran, iran sh. akhlaghpoor department of interventional radiology, sina hospital, tehran university of medical sciences, tehran, iran y.w. chen college of information and science, ristumeikan university, shiga, japan y. sato division of image analysis, graduate school of medicine, osaka university, osaka, japan

background: in nuclear medicine application often it is required to use computational methods for evaluation of organ absorbed dose. monte carlo simulation and phantoms have been used in many works before. the shape, size and volume in organs are varied, and this variation will produce error in dose calculation if no correction is applied. materials and methods: a computational framework for co...

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