نتایج جستجو برای: tensor

تعداد نتایج: 43197  

Journal: :General Relativity and Gravitation 2008

Journal: :iranian journal of radiology 0
ho kyun kim department of radiology, school of medicine, catholic university of daegu, daegu, korea mun han department of medical and biological engineering, kyungpook national university, daegu, korea hui joong lee department of radiology, kyungpook national university hospital, daegu, korea; department of radiology, kyungpook national university hospital, daegu, korea. tel: +82-534205390; fax: +82-53422-2677

a 36-year-old woman, diagnosed with systemic lupus erythematosus (sle), showed bulbar symptoms including impaired memory, slurred speech and swallowing difficulty 7 days before admission. magnetic resonance imaging (mri) showed symmetric confluent hyperintensities in the bilateral cerebral white matter on t2 weighted imaging (t2-wi), extended into the genu of the internal capsule and the crus c...

Journal: :iranian journal of radiology 0
jian hui gu jiangsu province key laboratory of neuroregeneration, nantong university, nantong, jiangsu, china xue jun zhou department of radiology, affiliated hospital of nantong university, nantong, jiangsu, china dong sheng jin department of radiology, jiangsu province official hospital, nanjing, jiangsu, china wen quan ding department of hand surgery, ningbo no.6 hospital, ningbo university, ningbo, zhejiang, china; department of hand surgery, ningbo no.6 hospital, ningbo university, ningbo, zhejiang, china. tel: +86-18106606963 xin wang department of hand surgery, ningbo no.6 hospital, ningbo university, ningbo, zhejiang, china

conclusion vr reconstruction for both single-direction images and sushi using dti25 raw data provides excellent 3d displays of the peripheral nerves in the wrist region. sushi post-processing is a useful denoising tool because it automatically reduces the majority of isotropic object noise. results single-direction vr reconstruction clearly showed the nerves for both dti6 and dti25 but with obv...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید باهنر کرمان - دانشکده ریاضی و کامپیوتر 1387

چکیده ندارد.

Journal: :iranian journal of science and technology (sciences) 2011
b. rezaei

in this paper, the matsumoto metric with special ricci tensor has been investigated. it is proved that, if  is ofpositive (negative) sectional curvature and f is of  -parallel ricci curvature with constant killing 1-form ,then (m,f) is a riemannian einstein space. in fact, we generalize the riemannian result established by akbar-zadeh.

Journal: :bulletin of the iranian mathematical society 2011
e. mphako-banda

Journal: :bulletin of the iranian mathematical society 2013
a. r. khoddami h. r. ebrahimi vishki

amonge other things we give sufficient and necessary conditions for the lau product of banachalgebras to be biflat or biprojective.

Amerian, Yazdan , Ebrahimipour, Monavar , Raoofian Naeeni, Mehdi ,

  In this paper, two-dimensional deformation analysis of the Gotvand-Olya dam is done using daily, monthly, seasonal and annual displacement vectors derived from permanent observations of the dam geodetic monitoring network.  The strain tensor and its invariant parameters like dilatation and maximum shear are computed as well. Nonlinear finite element interpolation based on C1 Cubic Bezier int...

The routine measurement of direction-dependent reservoir rock properties like permeability often takes place along the axial direction of core samples. As permeability is a tensor property of porous materials, it should be fully described by a tensor matrix or by three main permeabilities in principal directions. Due to compaction, cementation, and other lithification processes, which take plac...

Journal: :Intelligent Control and Automation 2018

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