نتایج جستجو برای: glow curve
تعداد نتایج: 131090 فیلتر نتایج به سال:
The linearity of thermoluminescence (TL) dose response curve, in low dose levels, is affected by background signals appearing at the tail of the glow curves. The effects of these signals also restrict the use of the high temperature glow peaks in many applications. In this study, a new reading out procedure was presented to reduce the background signals and increase the resolution of the high t...
A mixed order model is proposed for describing thermoluminescence (TL) glow peaks with continuous and uniform distribution of trapping states. It is shown that the presented function reduces to the simple known models at the limiting cases. The function for TL intensity has been introduced in terms of intensity and temperature of the peak maximum. These parameters can easily be estimated from t...
Quartz obtained from structural materials (bricks, tiles, etc.) is usually employed in retrospective accident dosimetry using the thermoluminescence (TL) technique. However, the TL response can be different depending on the sample due to the different concentration of the impurities in quartz lattice and the glow curves themselves show an enormous variety of shapes. In order to investigate the ...
The thermoluminescence (TL) glow curves and kinetics parameters of Thulium (Tm) doped silica cylindrical fibers (CF) are presented. A linear accelerator (LINAC) was used to deliver high-energy radiation of 21MeV electrons and 10MV photons. The CFs were irradiated in the dose range of 0.2-10Gy. The experimental glow curve data was reconstructed by using WinREMS. The WinGCF software was used for ...
Lithium tetraborate nanoparticles were synthesized by combustion method. The shape and size of nanoparticles were determined by scanning electron microscopy (SEM). X-ray diffraction pattern (XRD) confirmed the formation of lithium tetraborate nanocrystals. Thermoluminescence (TL) glow curve of the produced nanoparticles following irradiating with gamma radiation demonstrates five overlapping gl...
Gamma-irradiation (0-7 kGy) of ginseng is permitted in Korea for the purpose of microbial decontamination; with strict labeling, traceability and monitoring requirements. An identification study was conducted to determine the photostimulated-luminescence (PSL) and thermoluminescence (TL) properties of gamma-irradiated fresh and white ginsengs cultivated in different areas. Dosedependent PSL-bas...
MgSO4:Cu phosphor was synthesized by solid state method. Optimum concentration of copper was determined at 0.1 mol%. Thermoluminescence characteristics of MgSO4:Cu was studied following gamma irradiation. A linear dose response was observed in dose range of 1Gy to 500Gy. Reusability of this sample was tested after 10 cycles of gamma irradiation and it revealed that the intensity remains approxi...
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