نتایج جستجو برای: photon

تعداد نتایج: 70717  

Journal: :basic and clinical cancer research 0
alireza mohammadkarim department of engineering, science and research branch, islamic azad university, tehran, iran mahmoud allahverdi department of medical physics, tehran university of medical science, tehran, iran mahbod esfehani radiotherapeutic oncology department of cancer institute hasanali nedaie department of radiotherapy, tehran university of medical science, tehran, iran alireza shirazi department of medical physics, tehran university of medical science, tehran, iran

background: delivering the maximum dose to tumor while achieving the minimum dose delivery to normal tissue; is the most important goal in external radiotherapy. diode in vivo dosimetry is widely considered to be an important tool for quality improvement of patient care in external radiotherapy. uncertainty in dose delivery should fall within 5% of the prescribed dose as recommended by internat...

Journal: :research in cardiovascular medicine 0
nahid yaghoobi rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, ir iran hadi malek rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, ir iran; rajaie cardiovascular medical and research center, vali-asr st., niayesh blvd, tehran, ir iran. tel: +98-2122048173, fax: +98-2122048173

Journal: :iranian journal of radiology 0
mina ranji amjad research institute for nuclear medicine, shariati hospital, tehran university of medical sciences, tehran, iran mehrshad abbasi department of nuclear medicine, vali-asr hospital, tehran university of medical sciences, tehran, iran saeed farzanehfar department of nuclear medicine, vali-asr hospital, tehran university of medical sciences, tehran, iran; department of nuclear medicine, vali-asr hospital, tehran university of medical sciences, p. o. box: 14197-33141, tehran, iran. tel: +98-2161192400, fax: +98-2166581529

a 22-year-old woman presented with acute left-sided pleuritic chest pain and dyspnea 6 days after surgery for revision of the stenotic central aortopulmonary shunt. she had a history of tetralogy of fallot (tof), pulmonary valve stenosis, ventricular septal defect and major aortopulmonary collateral artery. her waterston shunt was placed when she was 5 years old and stented and re-dilated after...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه - دانشکده علوم 1387

چکیده ندارد.

Journal: :Le Journal de Physique Colloques 1974

Journal: :Nuclear Physics B - Proceedings Supplements 1994

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