نتایج جستجو برای: ir 192

تعداد نتایج: 79849  

Journal: :Journal of Radioanalytical and Nuclear Chemistry 2022

Abstract The IAEA Nuclear Data Section has coordinated several actions to setup and improve a database for recommended cross sections nuclear decay data various charged-particle reactions that can be used medical radionuclide production. Some of the earlier evaluations did not provide uncertainties sections. Updated with uncertainty quantification 25 relevant production 67 Cu, 103 Pd, 102mg Rh,...

2014
Paul A. Jursinic

The purpose of this study was to develop new and modified tools that allow HDR brachytherapy quality assurance tests to be carried out efficiently without film, video cameras, stopwatches, and mechanical rulers; and to devise methods that use these new tools for daily and quarterly check procedures, which are efficient and provide increased accuracy compared to previous methods. The HDR brachyt...

2012
E. K. Nani E. K. Sosu F. Hasford Kwame Nkrumah

A robust model to directly represent output from contemporary brachytherapy calculation had been proposed and developed to make clinical implementation practicable. The model was used to minimize inherent uncertainties associated with the AAMP TG-43 formalism, with consolidation of the TG-43 parameters into new parameter to speed up computational time. Analytical computations were performed to ...

Journal: :Materials research express 2022

Abstract Barite concrete composite materials have been investigated for 252 Cf spontaneous neutron and 60 Co/ 192 Ir gamma sources’ shielding using Monte Carlo computational method. The Particle Heavy Ion Transport code System (PHITS) was used to compute the properties of three different (barite concrete, barite cement, aggregate) as structural walls in fixed & industrial radiography Non-De...

Journal: :journal of biomedical physics and engineering 0
h khosravi tarbiat modares university b hashemi tarbiat modares university s r mahdavi irani university of medical sciences p hejazi semnan university of medical sciences

background: gel polymers are considered as new dosimeters for determining radiotherapy dose distribution in three dimensions. objective: the ability of a new formulation of magic-f polymer gel was assessed by experimental measurement and monte carlo (mc) method for studying the effect of gold nanoparticles (gnps) in prostate dose distributions under the internal ir-192 and external 18mv radioth...

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