نتایج جستجو برای: dose reduction

تعداد نتایج: 774229  

Journal: :Japanese Journal of Radiological Technology 1997

Journal: :Journal of the Korean Medical Association 2011

Journal: :Japanese Journal of Radiological Technology 1993

Journal: :Journal of the Korean Society of Radiology 2017

Journal: :American Journal of Public Health and the Nations Health 1962

Journal: :Physical review 2021

Classical ghost imaging is a computational technique that employs patterned illumination. It very similar in concept to the single-pixel camera an image may be reconstructed from set of measurements even though all quanta pass through sample are never recorded with position resolving detector. The method was first conceived and applied for visible-wavelength photons subsequently translated othe...

Background: Epidemiological studies show that computed tomography (CT) is one of the main sources of ionizing radiations. Shielding of radiosensitive organs is one of the dose reduction methods. This study aimed to assess the eye lens dose reduction and image quality resulting from the use of radio-protective bismuth shield in brain CT imaging. Methods: Bismut...

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