نتایج جستجو برای: fixation

تعداد نتایج: 52461  

Journal: :Vision Research 1996
Duane Boman Doris Braun John Hotson

Stationary and pursuit fixation may involve different fixation mechanisms that are reflected by differences in saccadic reaction times (SRTs). Gap, Simultaneous, and Overlap interval paradigms provided three distinct SRT ranges for comparisons between these two viewing conditions. SRTs following pursuit fixation were longer than following stationary fixation, but were similarly affected by the ...

Journal: :international journal of environmental research 2010
m. saeedi a. rezaei bazkiaei z. torkaman

solidified samples of fuel oil combustion bottom ash with two sets of ordinary portland cement (opc) and pozzolan added opc were investigated with three sets of chemical leaching tests. toxicity characteristic leaching test (tclp) results classified waste material and its solidification products as hazardous. although ni and cr have over-leached, but their close examination with sequential chem...

2012
Jonathan M Vigdorchik Amanda O Esquivel Xin Jin King H Yang Ndidi A Onwudiwe Rahul Vaidya

BACKGROUND We have recently developed a subcutaneous anterior pelvic fixation technique (INFIX). This internal fixator permits patients to sit, roll over in bed and lie on their sides without the cumbersome external appliances or their complications. The purpose of this study was to evaluate the biomechanical stability of this novel supraacetabular pedicle screw internal fixation construct (INF...

2010
Michael G. Gardiner Damien N. Stringer

This paper reviews the current array of complexes of relevance to achieving lanthanide mediated nitrogen fixation. A brief history of nitrogen fixation is described, including a limited discussion of successful transition metal facilitated nitrogen fixation systems. A detailed discussion of the numerous lanthanide-nitrogen species relevant to nitrogen fixation are discussed and are related to t...

2014
Changqing Li Yue Zhou Hongwei Wang Jun Liu Liangbi Xiang

OBJECTIVE To compare the von Mises stresses of the internal fixation devices among different short segment pedicle screw fixation techniques to treat thoracic 12 vertebral fractures, especially the mono-segment pedicle screw fixation and intermediate unilateral pedicle screw fixation techniques. METHODS Finite element methods were utilised to investigate the biomechanical comparison of the fo...

2016
Dr. Naveen Kumar Dr. Purushotham

Introduction: Arthroscopic Anterior Cruciate Ligament [ACL] reconstruction is very commonly done procedure in recent times {1}. The graft fixation methods vary from aperture fixation [Interference screws] to suspensory fixation methods [Endobutton]. This is a Prospective non randomised clinical study of arthroscopic ACL reconstruction comparing the functional results between aperture fixation a...

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