نتایج جستجو برای: at resonance

تعداد نتایج: 3864291  

Ali Zamani, Mehdi Hoseini Mina Nouri,

Introduction: Staff and patient Movement in static magnetic field MRI scanner induces current density in the human tissues, so cause biologic effects in people. The aim of this study was the Modelling of current density induced by moving individual with different velocities in static magnetic field of magnetic resonance imaging. Materials and Methods: current ...

Journal: :iranian journal of radiology 0
ali firat sarp radiology department, ataturk training and research hospital, izmir katip celebi university, izmir, turkey; radiology department, ataturk training and research hospital, izmir katip celebi university, izmir, turkey. fax: +90-2322431530 yeliz pekcevik radiology department, tepecik training and research hospital, izmir, turkey

lipomatosis of the nerve, also known as fibrolipomatous hamartoma, is characterized by the infiltration of the nerve by fibro-fatty tissue. the affected nerve becomes thicker, and it simulates a mass lesion. lipomatosis usually affects the median nerve and lipomatosis of the sciatic nerve is extremely rare. magnetic resonance imaging (mri) is the key to diagnosis, and it is usually pathognomoni...

Journal: :iranian journal of radiology 0
yasmin davoudi department of radiology, imam reza hospital, school of medicine, mashhad university of medical sciences, mashhad, iran mohsen foroughipour department of neurology, ghaem hospital, school of medicine, mashhad university of medical sciences, mashhad, iran reza torabi department of radiology, school of medicine, mashhad university of medical sciences, mashhad, iran parvaneh layegh department of radiology, imam reza hospital, school of medicine, mashhad university of medical sciences, mashhad, iran nassim matin school of medicine, tehran university of medical sciences, tehran, iran ali shoeibi department of neurology, ghaem hospital, school of medicine, mashhad university of medical sciences, mashhad, iran; department of neurology, ghaem hospital, school of medicine, mashhad university of medical sciences, p. o. box: 9197969764, mashhad, iran. tel: +98-9155137344, fax: +98-5138429828

conclusion these data indicate that while ce-mri will depict more positive results, there are cases in which dwi will show a positive result while ce-mri is negative. we suggest that the combination of these two imaging modalities might yield more positive results in diagnosing acute ms attack giving rise to a more accurate diagnosis. results ce-mri yielded positive results for 61 (87%) patient...

Journal: :the journal of tehran university heart center 0
gerald blackwell heart center, kingsport, tennessee, usa. samuel wann wisconsin heart hospital, milwaukee, wisconsine, usa. sitaram kadekar heart center, kingsport, tennessee, usa.

the application of magnetic resonance to diagnostic medical imaging stands as one of the great scientific achievements in the past 50 years. magnetic resonance techniques are easily applied to organs which remain stationary during the imaging procedure, such as the brain and musculoskeletal system. imaging of moving heart structures and circulating blood is considerably more difficult.   clinic...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه الزهراء - دانشکده تربیت بدنی 1392

آسم یک بیماری مزمن است که در آن راههای هوایی باریک و ملتهب می شود، که این در نتیجه افزایش ترشح موکوس در راههای هوایی است به موجب این، تنفس سخت تر و کوتاهتر صورت گرفته و فرد دچار تنگی و خس خس سینه می گردد. هدف از اجرای این تحقیق،بررسی اثر یک دوره تمرینات ورزشی هوازی و مصرف مکمل ویتامین d(1000 واحد) بر برخی از شاخص های تنفسی بیماران آسم بود. روش تحقیق :نمونه های تحقیق 32 بیمار آسمی (3 گروه تجربی...

2008
F. Gunsing U. Abbondanno G. Aerts H. Álvarez F. Álvarez-Velarde S. Andriamonje J. Andrzejewski P. Assimakopoulos L. Audouin G. Badurek P. Baumann F. Bečvář E. Berthoumieux F. Calviño M. Calviani W. Dridi I. Duran

Neutron resonance spectroscopy plays an important role in the investigation of neutron induced reaction cross sections and nuclear structure in the MeV excitation range. Neutron time-of-flight facilities are the most used installations to explore neutron resonances. In this paper we describe the basic features of neutron resonance spectroscopy together with recent results from the time-of-fligh...

F. A. Namin

Metallic nanoparticles can exhibit very large optical extinction in the visible spectrum due to localized surface plasmon resonance. Spherical plasmonic nanoparticles have been the subject of numerous studies in recent years due to the fact that the scattering response of spheres can be analytically evaluated using Mie theory. However a major disadvantage of metallic spherical nanoparticles is ...

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