نتایج جستجو برای: mini phantom

تعداد نتایج: 48571  

Hossein Safari, Nasibe Alipour

Solar mini-dimmings can be detect in the Extreme Ultra-Violet coronal eruptions. Here, sequences of 171_A images taken by Solar Dynamic Observatory/Atmospheric Imaging Assembaly on 13 June 2010 are used. In this special day, both of coronal mass ejection and prominence were observed. The average velocities and accelerations of 500 mini-dimmings which were detected using on feature based classif...

Journal: :Journal of Cosmology and Astroparticle Physics 2006

Journal: :iranian journal of nuclear medicine 2007
faraz kalantari hossein rajabi nahid yaghoobi ahmad bitarafan rajabi kourosh gorji

introduction: poor sensitivity and poor signal to noise ratio because of low injected thallium dose and presence of scattered photons are the main problems in using thallium in scintigraphic imaging of the heart. scattered photons are the main cause of degrading the contrast and resolution in spect imaging that result in error in quantification. thallium decay is very complicated and photons ar...

Journal: :iranian journal of otorhinolaryngology 0
amin rahpeyma oral and maxillofacial diseases research center, school of dentistry, mashhad university of medical sciences, mashhad, iran. saeedeh khajehahmadi dental research center, faculty of dentistry, mashhad university of medical sciences, mashhad, iran. sadegh barkhori mehni dental research center, faculty of dentistry, mashhad university of medical sciences, mashhad, iran.

introduction: in open reduction and internal fixation for the treatment of mandibular fracture, the fixation technique used is very important in reducing post-operative complications and promoting the healing process. this study assessed the results of fixation of the mandible using two mini-plates perpendicular to each other in the lower border of the mandible for fracture treatment.    materi...

Journal: :سالمند 0
شیرین حسینی shirin hosseini tehran university of medical sciences.kish,iranدانشگاه علوم پزشکی تهران سید علی کشاورز ali keshavarz tehran university of medical sciences.tehran, iranدانشگاه علوم پزشکی تهران احمد امین ahmad amin department of clinical epidemiology, rajaee cardiovasular, medical & research center.tehran,iranمرکز آموزشی - تحقیقاتی و درمانی قلب و عروق شهید رجایی مجید ملکی majid maleki department of clinical epidemiology, rajaee cardiovasular, medical & research center.tehran,iranمرکز آموزشی - تحقیقاتی و درمانی قلب و عروق شهید رجایی هومن بخشنده آبکنار homan bakhshandeh abkenar department of clinical epidemiology, rajaee cardiovasular, medical & research center.tehran,iranمرکز آموزشی - تحقیقاتی و درمانی قلب و عروق شهید رجایی

objectives: the aim of this study was to assess nutritional status and identify the most significant mna-items (mini nutritional assessment) to accelerate the determination of nutritional risk of heart-failure in elderly patients. methods and materials: the present research was a cross-sectional descriptive analytical survey on hospitalized heart- failure elderly patients (n=225). the sampling ...

Alireza Ghazimorad, Majid Bouzari, Mohammad Taghi Kardi,

Background: Recently, some new viruses have been identified for their association with hepatitis which Torque Teno Mini Virus being among them. The aim of this study was to determine the frequency of Torque Teno Mini Virus in healthy individuals and hepatitis B and C patients in Isfahan, Iran. Materials and Methods: One hundred serum samples of healthy individuals from Isfahan Blood Transfusi...

Journal: :Physical review applied 2021

Optical pump-probe setups are commonly used for excitation and investigation of the spin dynamics in various types magnetic materials. Usually spatially homogeneous is considered, but here authors describe optical $n\phantom{\rule{0}{0ex}}o\phantom{\rule{0}{0ex}}n\phantom{\rule{0}{0ex}}u\phantom{\rule{0}{0ex}}n\phantom{\rule{0}{0ex}}i\phantom{\rule{0}{0ex}}f\phantom{\rule{0}{0ex}}o\phantom{\rul...

Journal: :journal of lasers in medical sciences 0
mohammad ali ansari laser and plasma research institute, shahid beheshti university. g.c.,tehran, iran mohsen erfanzadeh laser and plasma research institute, shahid beheshti university. g.c.,tehran, iran zeinab hosseini laser and plasma research institute, shahid beheshti university. g.c.,tehran, iran ezzedin mohajerani laser and plasma research institute, shahid beheshti university. g.c.,tehran, iran

introduction: in this study, we intend to use diffuse optical tomography (dot) as a noninvasive, safe and low cost technique that can be considered as a functional imaging method and mention the importance of image reconstruction in accuracy and procession of image. one of the most important and fastest methods in image reconstruction is the boundary element method (bem). this method is introdu...

Journal: :Physical review applied 2021

Neurons exhibit $e\phantom{\rule{0}{0ex}}x\phantom{\rule{0}{0ex}}c\phantom{\rule{0}{0ex}}i\phantom{\rule{0}{0ex}}t\phantom{\rule{0}{0ex}}a\phantom{\rule{0}{0ex}}b\phantom{\rule{0}{0ex}}i\phantom{\rule{0}{0ex}}l\phantom{\rule{0}{0ex}}i\phantom{\rule{0}{0ex}}t\phantom{\rule{0}{0ex}}y$, the dynamical property that is likewise key to biologically inspired artificial intelligence. The neuromorphic c...

Journal: :Physical review 2021

It has been a long-standing problem in $N$-electron systems as to how solve the Dyson equation with quasiparticle wave functions defined $\ensuremath{\langle}\phantom{\rule{0.16em}{0ex}}{\mathrm{\ensuremath{\Psi}}}_{0}^{N}\phantom{\rule{0.16em}{0ex}}|\phantom{\rule{0.16em}{0ex}}{\ensuremath{\psi}}_{s}(\mathbit{r})\phantom{\rule{0.16em}{0ex}}|\phantom{\rule{0.16em}{0ex}}{\mathrm{\ensuremath{\Psi...

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