نتایج جستجو برای: Dose Evaluation
تعداد نتایج: 1112594 فیلتر نتایج به سال:
introduction bnct is an effective method to destroy brain tumoral cells while sparing the healthy tissues. the recommended flux for epithermal neutrons is 109 n/cm2s, which has the most effectiveness on deep-seated tumors. in this paper, it is indicated that using d-t neutron source and optimizing of beam shaping assembly (bsa) leads to treating brain tumors in a reasonable time where all iaea ...
the purpose of the present study was to investigate the relationship between fear of negative evaluation (fne) and communication strategies (css) among iranian efl learners. it was aimed to examine the differences in the use of communication strategies between speakers with high or low degree of fear of negative evaluation. the current study was a case study consisting of 10 english learners at...
Introduction: One of the problems that exists in the quality control procedure of the treatment planning systems and the computer simulation of the radiotherapy or diagnostic radiology validation is comparing the dose distribution resulted from the dose calculation algorithms with the experimental results(as a reference). For this purpose, several methods have been proposed to compare these dos...
The phase I trial in the oncology treatment development paradigm is supremely challenged on the one hand by being required to identify a satisfactory dose/regimen that will be carried forward in pilot and definitive efficacy evaluations and on the other hand to minimize patient's exposure to ineffective doses. The result of this compromise is often scant data on which to base the entire subsequ...
the major aim of this study was to investigate the relationship between social and cultural capital and efl students’ critical thinking skills. this study takes this relationship in to account to see if people with different sociocultural status are different regarding their critical thinking skills. to this end, 160 university students majoring in english language and literature, english trans...
Quantitative comparisons of dose distributions are an integral component of a medical physicist’s responsibility of assuring high quality radiation therapy dose delivery. While overlays and other displays of multiple dose distributions are useful for such evaluations, quantitative evaluations require a mathematical comparison. The dose-difference is the most straightforward method for comparing...
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