نتایج جستجو برای: tld 100 ecc reproducibility
تعداد نتایج: 442627 فیلتر نتایج به سال:
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 ...
در این تحقیق روش طراحی و ساخت یک کامپوزیت سیمانی مسلح با الیاف پلی وینیل الکل که با نام کامپوزیت های سیمانی مهندسی یا engineered cementitious composites-ecc شناخته می شوند، در ایران مورد بررسی قرار گرفته است. مکانیک شکست، خصوصیات کششی، فشاری و خمشی ecc تحت بارگذاری های استاتیکی و چیدمان دقیق آزمایشگاهی بررسی شده و در برخی موارد با رفتار بتن معمولی و یا بتن الیافی معمولی مقایسه گردیده است. همچنی...
In the field of thermoluminescence dosimetry the daily analysis of multi-peak glow curves includes computerized curve-fitting methods, the so-called deconvolutions. These are in need of restricting the kinetic parameters E and s in order to obtain physically relevant results. There have been suggested various methods for the determination of these kinetic parameters based on a theory treating s...
Background: the narrative abilities provide valuable information about the linguistic, cognitive and social development of school-age children with typical language development (TLD). Aim: to examine the temporal ordering of figures and the narrative abilities of school-age children with TLD in relation to the type of discourse presented. Method: participants of this study included 60 children ...
The stability of glow peaks in 6LiF:Mg,Ti (TLD-600) exposed to a high-energy Fe-ion beam was examined in comparison to 137Cs gamma-ray irradiation under changing annealing conditions. The peak areas induced by the Fe ions were much smaller than those by gamma-rays. The sizes and positions of peaks 3-5 in Fe-ion irradiated samples were hardly changed after post-annealing at 100 degrees C x 30 mi...
TRANSFER RNA DYNAMICS AND TRANSFER-MESSENGER RNAACCOMMODATION IN BACTERIAL RIBOSOMES AT THE SINGLE-MOLECULELEVEL byMAY DAHERDecember 2012Advisor: Dr. David RuedaMajor: Chemistry (Biochemistry)Degree: Doctor of PhilosophySingle-molecule spectroscopy, protein-induced fluorescence enhancement(PIFE), fluorescence resonance energy transfer (FRET), and several ...
The purpose of this study was to determine the dose to the contralateral breast during accelerated partial breast irradiation (APBI) and to compare it to external beam-published values. Thermoluminescent dosimeter (TLD) packets were used to measure the dose to the most medial aspect of the contralateral breast during APBI simulation, daily quality assurance (QA), and treatment. All patients in ...
In immunocompetent individuals, the stability of the herpesvirus-host balance limits opportunities to study the disappearance of a virus-specific CD8(+) T-cell response. However, we noticed that in HLA-A 0201-positive infectious mononucleosis (IM) patients undergoing primary Epstein-Barr virus (EBV) infection, the initial CD8 response targets three EBV lytic antigen-derived epitopes, YVLDHLIVV ...
DNS is a critical infrastructure of the global Internet. To assure DNS’s efficient and robust operations, each domain, especially each of the Top-Level-Domains (TLDs), should deploy multiple redundant nameservers in diverse locations. To assess the robustness of TLD nameserver deployment regarding the nameserver redundancy and location diversity, we conduct a measurement study by sending specia...
background and aims. lysozyme and lactoferrin are salivary proteins which play an important role in innate defense mechanisms against bacteria. this study investigated the association of salivary lysozyme and lactoferrin concentrations with early childhood caries (ecc). materials and methods. this study was carried out on 42 healthy children (age range, 36 to 71 months), of whom 21 were caries ...
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