نتایج جستجو برای: دزیمتر c 3o2α al 500 tld
تعداد نتایج: 1502593 فیلتر نتایج به سال:
An independent in vivo dose verification procedure for IMRT treatments of head and neck cancers was developed. Results of 177 intracavitary TLD measurements from 10 patients are presented. The study includes data from 10 patients with cancer of the rhinopharynx or the thyroid treated with dynamic IMRT. Dose verification was performed by insertion of a flexible naso-oesophageal tube containing T...
Audiovisual speech perception of children with specific language impairment (SLI) and children with typical language development (TLD) was compared in two experiments using /aCa/ syllables presented in the context of a masking release paradigm. Children had to repeat syllables presented in auditory alone, visual alone (speechreading), audiovisual congruent and incongruent (McGurk) conditions. S...
Abstract Exposure of soil constituents to elevated temperatures during wildfire can significantly affect their properties and consequently, increase the mobility bound contaminants. To estimate potential wildfires influence metal remobilization from burned due changes in cation exchange capacity (CEC) after organic matter combustion mineral alteration degradation, exposure different was investi...
thermoluminescent detector/LiF:Mg,Ti/glow curve deconvolution/annealing/NIRS-HIMAC The stability of glow peaks in LiF:Mg,Ti (TLD-600) exposed to a high-energy Fe-ion beam was examined in comparison to Cs γ -ray irradiation under changing annealing conditions. The peak areas induced by the Fe ions were much smaller than those by γ -rays. The sizes and positions of peaks 3–5 in Fe-ion irradiated ...
یکی از مهمترین مواردی که در پرتودهی نمونهها برای مطالعات فعالسازی یا غیر آن در رآکتورهای تحقیقاتی لازم است مدنظر قرار گیرد توزیع سهبعدی دز در فضای اطراف قلب است. دزیمترهای ژل- پلیمر علاوه بر امکان تعیین توزیعهای پیچیدهی دز به صورت سهبعدی دارای ترکیبی مشابه با بافت بدن بوده و خود به صورت یک فانتوم عمل میکنند. تاکنون کمتر به کاربرد دزیمتر ژلی برای تعیین توزیع دز در میدانهای مخ...
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