Results 21 to 30 of about 365,633 (275)

A Study on Correlations Between the Initial Optical and Scintillation Properties and Their Radiation Damage for Lead Tungstate Crystals [PDF]

open access: yes, 2007
This paper presents a study of correlations between the initial optical and scintillation properties and their radiation damage for mass produced lead tungstate crystals.
Chen, Jianming   +2 more
core   +1 more source

Relationship between task-based modulation transfer function and evaluation index of tumor area in dual energy subtraction chest radiography

open access: yesMeasurement: Sensors, 2021
When extracting lesions in medical images using deep learning, the extraction accuracy will be higher if the image quality is good. The purpose of this study is to investigate and comprehend the relationship between the spatial-resolution property of X ...
Shu Onodera   +2 more
doaj   +1 more source

Risk projections in time [PDF]

open access: yes, 1993
The nominal risk coefficients for radiation induced cancer are largely based on the follow-up of the mortality from solid cancers among the atomic bomb survivors. For those who have been exposed as adults, the observations are essentially complete, and
Kellerer, Albrecht M.
core   +1 more source

Neutron conversion coefficients of ambient dose equivalent and personal dose equivalent

open access: yesPolish Journal of Medical Physics and Engineering, 2022
Abstract Introduction: This work aims to calculate the ambient and personal dose equivalent conversion coefficients. Material and methods: The conversion coefficients have been calculated using MC simulation.
Hassan Al Kanti   +3 more
openaire   +1 more source

ESTIMATION OF THE CONVERSION COEFFICIENTS FROM DOSE-AREA PRODUCT TO EFFECTIVE DOSE FOR BARIUM MEAL EXAMINATIONS FOR ADULT PATIENTS

open access: yesРадиационная гигиена, 2018
Fluoroscopic examinations of the upper gastro-intestinal tract and, especially, barium meal examinations, are commonly performed in a majority of hospitals. These examinations are associated both with substantial individual patient doses and contribution
A. V. Vodovatov   +4 more
doaj   +1 more source

Influence of nuclear de-excitation on observables relevant for space exploration [PDF]

open access: yes, 2010
The composition of the space radiation environment inside spacecrafts is modified by the interaction with shielding material, with equipment and even with the astronauts' bodies.
Alain Boudard   +19 more
core   +1 more source

Calculation method of the absorbed (equivalent) dose and absorbed (equivalent) dose rate of the ionizing radiation [PDF]

open access: yes, 2016
В статье предложен метод расчета поглощенной (эквивалентной) дозы и мощности поглощенной (эквивалентной) дозы ионизирующего излучения (гамма-, нейтронное и электронное излучение) в точке.
Диденко, Наталья Викторовна   +2 more
core   +1 more source

Effective dose coefficients for inhaled radon and its progeny: ICRP’s approach

open access: yesBIO Web of Conferences, 2019
The International Commission on Radiological Protection (ICRP) has recently published three reports on radon exposure: (i) Publication 115 on lung cancer risks from radon and radon progeny [1], (ii) Publication 126 on radiological protection against ...
Marsh James W.   +3 more
doaj   +1 more source

Evaluating dose constraints for radiation induced liver damage following magnetic resonance image guided Stereotactic Body radiotherapy

open access: yesPhysics and Imaging in Radiation Oncology, 2021
This study reports dose corresponding to visible radiation induced liver damage following Stereotactic Body Radiation Therapy (SBRT) for liver metastasis, and the optimal time for follow up scans using post radiation imaging.
Poonam Yadav   +6 more
doaj   +1 more source

Conversion from the frequency of chromosome translocations in T-lymphocytes to the bone marrow dose in the long-term period after internal 89,90 Sr exposure

open access: yesРадиационная гигиена
Cytogenetic Fluorescence In Situ Hybridization studies, that allow assessing the frequency of stable chromosome  aberrations  in  circulating  T  lymphocytes,  are  commonly  used  in  retrospective  dosimetry  in  cases of uniform whole-body exposure ...
E. I. Tolstykh
doaj   +1 more source

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