نتایج جستجو برای: thermoluminescence dosimetry

تعداد نتایج: 8971  

ژورنال: سنجش و ایمنی پرتو 2019

In the current research, hydroxyapatite samples, synthesized by hydrothermal methods was studied from the perspective of thermoluminescence dosimetry. The results of the study were compared and studied with different aspects of dosimetry, including dose-response variations of synthesized samples, degree of its linearity, and the percentage of response fading, as well as the position of the main...

Journal: :Journal of Taibah University for Science 2016

Journal: :IEEE Transactions on Nuclear Science 1982

2013
M. Benabdesselam F. Mady

This study analyses the thermally stimulated luminescence or thermoluminescence (TL) glow curve between 300 and 773 K of germanium-doped silica optical fibre. A main glow peak at 530 K with a characteristic spectral emission centred at 400 nm is found. Both features are particularly suitable for dosimetry. Thus, an investigation by the TL technique of some first clinically relevant features of ...

Journal: :Radiation protection dosimetry 2004
M Hajek T Berger N Vana

Evaluation of LiF:Mg,Ti thermoluminescence dosemeters (TLDs) according to the high-temperature ratio (HTR) method enables the determination of the dose-average linear energy transfer (LET), the mean quality factor and the dose equivalent in mixed radiation fields of unknown composition. The neutron contribution is assessed by the Extended Pair method calibrated in the CERN-EU High-Energy Refere...

Journal: :acta medica iranica 0
mohammad taghi bahreyni toossi medical physics research center, school of medicine, mashhad university of medical sciences, mashhad, iran. fateme akbari medical physics research center, school of medicine, mashhad university of medical sciences, mashhad, iran shahram bayani roodi medical physics research center, school of medicine, mashhad university of medical sciences, mashhad, iran.

nowadays, radiography is a necessary procedure in diagnosis and treatment of patients with dental problems. according to the alara (as low as reasonably achievable) principle, dentists must take radiographs of sufficient quality at the lowest possible radiation dose to the patients. the assessment of patient dose on panoramic radiography is difficult because of dynamic nature of the imaging pro...

Journal: :iranian journal of medical physics 0
sedigheh sina radiation research center, shiraz university, shiraz, iran fazel mirzaiee school of mechanical engineering, shiraz university, shiraz, iran tahereh padargani school of mechanical engineering, shiraz university, shiraz, iran mehdi zehtabian school of mechanical engineering, shiraz university, shiraz, iran saeed ahrari department of clinical sciences,, school of veterinary medicine, shiraz university, shiraz, iran

introduction according to the international commission on radiological protection publication numbers 60 and 21, the environmental control standards should ensure human and other species protection to a desirable degree. since application of radiographic procedures in veterinary medicine has increased significantly, in this study, we aimed to evaluate the entrance skin dose to the animals (e.g....

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