Results 1 to 10 of about 7,400,431 (309)

Biological Protection in Deep Space Missions [PDF]

open access: yesJournal of Biomedical Physics and Engineering, 2021
During deep space missions, astronauts are exposed to highly ionizing radiation, incl. neutrons, protons and heavy ions from galactic cosmic rays (GCR), solar wind (SW) and solar energetic particles (SEP).
Lembit Sihver   +1 more
doaj   +1 more source

Effectiveness of personal dose monitoring intercomparison results in a laboratory in Shanghai

open access: yes环境与职业医学, 2023
BackgroundIndividual monitoring of occupational external exposure is an essential part of the occupational health management of radiation workers, and is an important basis for the evaluation of individual absorbed dose and the diagnosis of occupational ...
Hong XIAO   +9 more
doaj   +1 more source

Evaluation of fetal absorbed doses from computed tomography examinations of pregnant patients: A systematic review [PDF]

open access: yesDigital Diagnostics, 2023
BACKGROUND: Currently, no systematic data are available on fetal radiation exposure as a result of radiographic studies during pregnancy. Consequently, there are no approved methods of its calculation that can be used in clinical practice.
Aleksandr V. Vodovatov   +10 more
doaj   +1 more source

Radiological Risk to Human and Non-Human Biota Due to Radioactivity in Coastal Sand and Marine Sediments, Gulf of Oman

open access: yesLife, 2021
Natural and 137Cs radioactivity in coastal marine sediment samples was measured using gamma spectrometry. Samples were collected at 16 locations from four beaches along the coastal area of Muscat City, Gulf of Oman.
Ibrahim I. Suliman, Khalid Alsafi
doaj   +1 more source

Lifetime Risk Assessment of Lung Cancer Incidence for Nonsmokers in Japan Considering the Joint Effect of Radiation and Smoking Based on the Life Span Study of Atomic Bomb Survivors [PDF]

open access: yesJournal of Radiation Protection and Research, 2021
Background The lifetime risk of lung cancer incidence due to radiation for nonsmokers is overestimated because of the use of the average cancer baseline risk among a mixed population, including smokers. In recent years, the generalized multiplicative (GM)
Kazumasa Shimada, Michiaki Kai
doaj   +1 more source

Assessment of environmental radiation exposure from soil radioactivity around the Southern area of Chad

open access: yesRadiation Protection and Environment, 2020
A study to ascertain the radioactivity levels of various radionuclides from soil samples collected in Chad using a high-resolution gamma ray spectrometry system is presented in this article.
Mistura B Ajani   +3 more
doaj   +1 more source

Knowledge about imaging modalities, risks, and protection in radiology among medical students at the University of Hail

open access: yesAvicenna Journal of Medicine, 2020
Aim: The aim of this study was to evaluate awareness and knowledge about radiation risks and safety principles among medical students at the College of Medicine, University of Hail, Hail, Saudi Arabia, in their clinical years.
Meshael N Alreshidi   +4 more
doaj   +1 more source

Evaluation of radiation risk for patients undergoing medical examinations in the Russian Federation

open access: yesРадиационная гигиена, 2021
The aim of the study was to develop a methodology for assessing radiation risk for patients undergoing medical examinations in the Russian Federation. The methodology is based on the risk model of the ICRP Publication 103, the coefficients of lifetime ...
V. Yu. Golikov   +3 more
doaj   +1 more source

Evaluation of the radiation risk of medical examinations in the Russian Federation taking into account the age and sex distribution of the patients

open access: yesРадиационная гигиена, 2022
The aim of the study was to develop a methodology that allows taking into account the age and sex dependencies of the risk of radiogenic cancer and the age and sex distribution of the patients to evaluate the collective risk due to separate X-ray ...
V. Yu. Golikov
doaj   +1 more source

Radiation detriment estimation: on the possibility of effective dose usage to assess the number of years of the healthy life lost

open access: yesРадиационная гигиена, 2023
The Russian Law “On Radiation Safety of the Population” defines the effective dose as “the amount of exposure to ionizing radiation used as a measure of the risk of long-term consequences of human’s body exposure…” In turn, the Russian “Radiation Safety ...
L. V. Repin
doaj   +1 more source

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