نتایج جستجو برای: primary and secondary structures

تعداد نتایج: 16992928  

Journal: :iranian journal of radiology 0
alireza rajabzadeh kanafi department of radiology, poursina hospital, guilan university of medical sciences, rasht, iran masoumeh giti department of radiology, advanced diagnostic and interventional radiology research center (adir), imam khomeini hospital, tehran university of medical sciences, tehran, iran mohammad hossein gharavi department of radiology, poursina hospital, guilan university of medical sciences, rasht, iran ahmad alizadeh department of radiology, poursina hospital, guilan university of medical sciences, rasht, iran ramin pourghorban department of radiology, shohada-e-tajrish hospital, shahid beheshti university of medical sciences, tehran, iran babak shekarchi department of radiology, 501 hospital, aja university of medical sciences, tehran, iran; department of radiology, 501 hospital, aja university of medical sciences, shahid etemadzadeh av., west fatemi st., p.o. box: 14117-18541, tehran, iran. tel: +98-9125032079

background in stable patients with blunt abdominal trauma, accurate diagnosis of visceral injuries is crucial. objectives to determine whether repeating ultrasound exam will increase the sensitivity of focused abdominal sonography for trauma (fast) through revealing additional free intraperitoneal fluid in patients with blunt abdominal trauma. patients and methods we performed a prospective obs...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سمنان - دانشکده علوم تربیتی و روانشناسی 1391

anxiety is one common disorder during childhood. in curing anxiety disorders, there are different types of psychological remedies, pharmotherapy, family therapy, and music therapy that can improve the individual’s anxiety, but we need some other remedies to improve social and emotional relationship and interactions. considering the importance of curing the anxiety disorders, the effect of sand ...

Journal: :journal of mathematical modeling 2016
jitendra kumar singh shaik ghousia begum naveen joshi

unsteady hydromagnetic generalised couette flow of a viscous, incompressible and electrically conducting fluid between two horizontal parallel porous plates darcian channel in the presence of a uniform transverse magnetic field taking hall current and ion-slip into account in a rotating system is investigated. an exact solution of the governing equations is obtained by laplace transform techniq...

Journal: :مهندسی برق مدرس 0
shokofe vatanpour m.sc. student, department of electrical engineering, shahrood university of technology, iran. mohammad reza jvan assistant professor, department of electrical engineering, shahrood university of technology, iran

in this paper, we consider a cooperative cognitive radio network in which there is an ofdm primary link and multiple single carrier secondary links.the primary link is required to maintain its secrecy rate above a predefined threshold. if the secrecy rate requirement is not satisfied, the secondary system help primary link to maintain its secrecy rate requirement. in doing so, the secondary trans...

امامعلی پور, علی,

The chromite deposits in the khoy area have lenticular, tubular and vein-like shapes which are found in serpentinized hurzburgite. Chromite and serpentine are  major minerals and hematite and magnetite are minor phases in the chromitic ores .Furthermore, Fe , Ni , Cu , Co , Zn, Ru, Os, Ir, La, Ce, Gd and S elements are found as base metal sulfides ( BMS ) , sulfides of pelatinum group elements ...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده ادبیات و زبانهای خارجی 1390

the frame semantic theory is a nascent approach in the area of translation studies which goes beyond the linguistic barriers and helps us to incorporate cognitive and cultural factors to the study of translation. based on rojos analytical model (2002b), which centered in the frames or knowledge structures activated in the text, the present research explores the various translation problems that...

Journal: :international journal of reproductive biomedicine 0
sundararajan venkatesh m.pharm gurdeep singh narmada prasad gupta rajeev kumar munusamy deecaraman rima dada

background: excess reactive oxygen species (ros) in the semen is believed to affect fertility in men. morphologically abnormal sperms and their relation to seminal oxidative stress in infertile and subfertile men are not clear. objective: to correlate various sperm morphological defects with seminal oxidative stress in infertile and subfertile men. materials and methods: the study included 25 p...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه زنجان 1389

until now many studies have been done over recent decades throughout the world to show the right age to start english. in iran, research is still at an early stage in terms of evaluating teachers’ beliefs about teaching children english. the problem of at what age to start teaching english and how to teach english to elementary school children has not been solved neither in this country nor els...

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