نتایج جستجو برای: dental dosimetry

تعداد نتایج: 169619  

Journal: :Photodiagnosis and Photodynamic Therapy 2006

Journal: :Japanese Journal of Health Physics 1967

Journal: :Latvian Journal of Physics and Technical Sciences 2021

Abstract AlN is a wide band gap material with promising properties for dosimetric applications, especially in UV dosimetry. In the present research, thermoluminescence method used order to better understand sunlight and X-ray irradiation effects on yttria doped ceramics. general, TL response characterised by broad peak maxima around 400–450 K emission spectrum (400 nm), Blue (480 nm) Red (600 b...

Journal: :Epj Web of Conferences 2023

The verification and validation (V&V) of the Serpent 2 Monte Carlo code for 3-D reactor dosimetry applications is being carried out at VTT. Two code-to-code computational benchmark cases were calculated by MCNP 2. efficiency different variance reduction techniques was appraised. part currently includes two experimental benchmarks from SINBAD database: Pool Critical Assembly-Pressure Vessel ...

Journal: :The Open Dentistry Journal 2021

Background: Radiation protection in the dental examination is often overlooked because doses delivered are negligible. However, volume of radiological examinations will constitute almost 15% all carried out medical field. Aim: This study aims to evaluate and compare surface equivalent dose on various target organs from radiology devices RINN phantom, effect numerous scanning protocols said usin...

Journal: :Bioelectromagnetics 2005
Stefan Engström Marko S Markov Michael J McLean Robert A Jones Robert R Holcomb

We describe devices designed for magnetic field exposures in which field amplitude and gradients are controlled simultaneously. Dosimetry based on field continuation of high resolution magnetic field scans and numerical models is compared with validation measurements. The dosimetry variables we consider are based on the assumption that the biological or chemical system under study has field tra...

Journal: :Radiation protection dosimetry 2009
A K Bakshi A S Pradhan R K Kher K Srivastava G Varadharajan S Chatterjee V Sathian

In the present paper, we report the indigenous development of a neutron-sensitive thermoluminescent dosemeter (TLD) based on CaSO4:Dy Teflon TL disc. The study includes indigenous development of a neutron dosemeter and its response in terms of operational quantity to different energies of neutrons under various irradiation conditions. It was found that the thermal neutron sensitivity of the CaS...

Journal: :Journal of nuclear medicine : official publication, Society of Nuclear Medicine 2003
George Sgouros Shannon Squeri Ase M Ballangrud Katherine S Kolbert Jerrold B Teitcher Katherine S Panageas Ronald D Finn Chaitanya R Divgi Steven M Larson Andrew D Zelenetz

UNLABELLED A comprehensive, SPECT-based, patient-specific 3-dimensional (3D) dosimetry analysis has been performed using 3D-ID, a previously developed software package. The role of the total-body tumor burden, individual lesion size, tumor absorbed dose, and the spatial distribution of the absorbed dose on response and on the time course of tumor shrinkage has been examined in patients with lym...

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