نتایج جستجو برای: external dose

تعداد نتایج: 495703  

Journal: :Egyptian Journal of Radiology and Nuclear Medicine 2023

Abstract Background F-18 FDG (fluorodeoxyglucose) PET/CT procedures are one of the most growing studies used for patient management in oncology, cardiology, neurology, and other indications, which challenges meet both patients clinicians, especially when we looking presence/absence disease progression cure. This study was conducted to assess external radiation dose after 18FDG-PET/CT examinatio...

Journal: :Arab Journal of Nuclear Sciences and Applications 2019

Journal: :Applied sciences 2021

Radiation therapy (RT) is a constantly evolving therapeutic technique; improvements are continuously being introduced for both methodological and practical aspects. Among the features that have undergone huge evolution in recent decades, dose calculation algorithms still rapidly changing. This process propelled by awareness agreement between delivered calculated doses of paramount relevance RT,...

2017

At present the Baltic Sea is considered to be the most contaminated with anthropogenic radionuclides in comparison to any other part of the World Ocean. Anthropogenic radionuclides (mainly 137 Cs and 90 Sr) found in the seawater are sources of the external exposure that contributes to the total radiation exposure to humans. The variations of activity concentrations of 137 Cs and 90 Sr in the wa...

Journal: :Radiation and environmental biophysics 2016
E A Shishkina A Yu Volchkova Y S Timofeev P Fattibene A Wieser D V Ivanov V A Krivoschapov V I Zalyapin S Della Monaca V De Coste M O Degteva L R Anspaugh

This study summarizes the 20-year efforts for dose reconstruction in tooth enamel of the Techa riverside residents exposed to ionizing radiation as a result of radionuclide releases into the river in 1949-1956. It represents the first combined analysis of all the data available on EPR dosimetry with teeth of permanent residents of the Techa riverside territory. Results of electron paramagnetic ...

E.B. Faweya, G.E. Adesakin, G.O. Olowomofe, H.T. Akande, O. Faweya,

Background: Ondo city in Ondo State Nigeria includes Ondo East and West could be described as a research city due to antecedent number of research institutes. Materials and Methods: Dose due to radioactivity content of soil samples from sixteen waste dump sites in Ondo, Southwestern Nigeria was determined using gamma-ray spectrometer in order to evaluate the radiation hazard health profile and ...

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