Results 11 to 20 of about 121,812 (260)

MCNPX Study on the Absorbed Dose of Samples in Cobalt-60 Irradiation Facility

open access: yesJournal of Isotopes, 2021
The MCNPX2.5.0 used for high energy particle transport was adopted to calculate the dose rate of the samples. The samples were vertically located in the 3 meters away from the center point of the dual plate source rack in the irradiation room.
ZENG Diming
doaj   +1 more source

Methods of calculation of radiation protection for operational safety optimization at working with radionuclide photon radiation sources

open access: yesEurasian Journal of Physics and Functional Materials, 2021
Operational dosimetry solves the problem of implementing the principle of optimizing radiation safety, which is closely related to regulation and justification and implies a realistic achievable reduction in the dose load on a person when using ionizing ...
D. S. Kim
doaj   +1 more source

The role of natural rock filler in optimizing the radiation protection capacity of the intermediate-level radioactive waste containers

open access: yesNuclear Engineering and Technology, 2022
The present work aims to optimize the radiation protection efficiency for ion-selective containers used in the liquid treatment for the nuclear power plant (NPP) cooling cycle.
O.L. Tashlykov   +2 more
doaj   +1 more source

Effective Doses and Excess Lifetime Cancer Risks from Absorbed Dose Rates Measured in Facilities of Two Tertiary Institutions in Nigeria

open access: yesJournal of Applied Sciences and Environmental Management, 2022
This study was aimed at examining the radiation absorbed dose rate, annual effective doses and excess lifetime cancer risks of halls of residence, Radiotherapy Unit and Radiology Department of UI, UCH and UNIMEDTH respectively.
C. J. Olowookere   +7 more
doaj   +1 more source

Evaluation of the natural radioactivity level of Nigerian tar sand deposits, eastern Dahomey basin, southwestern Nigeria [PDF]

open access: yesNuclear Technology and Radiation Protection, 2016
The specific activities of natural radionuclides in twenty seven samples collected from the eastern Dahomey basin in southwestern Nigeria were evaluated. Experimental results were obtained by using a 3" x 3" sodium iodide NaI(Tl) detector.
Akinmosin Adewale   +2 more
doaj   +1 more source

High Terrestrial Radiation Level in an Active Tin-Mine at Jos South, Nigeria

open access: yesJournal of Applied Sciences and Environmental Management, 2020
Mineral mining and milling can be a source of national economic and technological development. However, mining of minerals has been confirmed to disturb the natural distribution of radioisotopes in the soil, air and water bodies in the biota.
M. Atipo   +3 more
doaj   +1 more source

Outdoor survey of absorbed dose rate and annual effective dose in Port Said, Marsa Alam-Shalateen and Helwan areas – Egypt. [PDF]

open access: yesAlfarama Journal of Basic & Applied Sciences, 2023
In this paper, in situ measurements for outdoor absorbed dose rate (outdoor D) of port said, Marsa Allam Shalateen and Helwan areas using survey meter and the outdoor annual effective dose (outdoor AED) has been calculated for the investigated sites ...
Raghda Issa   +4 more
doaj   +1 more source

Dosimetry of translational technique for total body irradiation with electrons in Alderson anthropomorphic phantom, for the treatment of mycosis fungoides

open access: yesRevista de Medicina e Investigación Universidad Autónoma del Estado de México, 2021
Total skin electron irradiation (tsei) is one of the most widely used techniques in the treatment of mycosis fungoides (mf). The objective of this work is to carry out the dosimetric characterization of the translational method using a mobile platform at
Steven Rodríguez Cubillos   +6 more
doaj  

Determination of Radiological Hazard Associated with the use of Imayan River Sediment as Building Material

open access: yesJournal of Applied Sciences and Environmental Management, 2015
The radioactivity concentrations of 40K, 238U and 232Th in sediment samples of Imayan river at Odogbolu local government area, Ogun State in Nigeria were determined by gamma spectrometry using NaI (TI) detector coupled with a pre-amplifier base to a ...
O Sowole
doaj   +1 more source

Effects of γ-ray irradiation and particle size on enzymatic hydrolysis and fermentation of reed straws

open access: yesFushe yanjiu yu fushe gongyi xuebao, 2023
To explore the effects of absorbed dose and particle size on enzymatic hydrolysis and fermentation of reed straws (Phragmites australias), the straws were irradiated with γ-ray irradiation at different doses (0-500 kGy) and then passed through different ...
QI Hui   +7 more
doaj   +1 more source

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