Zobrazeno 1 - 10
of 50
pro vyhledávání: '"M. I. Zelikman"'
Publikováno v:
Biomedical Engineering. 51:446-448
Data from analysis of the technical condition of a number of X-ray radiology instruments used in healthcare facilities in various regions of the Russian Federation based on results of periodic technical testing of different types of equipment in the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::270e5fe265f1c47ab0921be66a5b8075
https://doi.org/10.1007/s10527-018-9767-2
https://doi.org/10.1007/s10527-018-9767-2
Autor:
M. I. Zelikman, S. A. Kruchinin
Publikováno v:
Biomedical Engineering. 48:273-276
In this work, we investigated features inherent in evaluation of detective quantum efficiency of digital X-ray image detectors in clinical environments. Adjustments for standardized methods are presented for the case where additional attenuators (sec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::62b6fe150585e0f8c9755ee080bddec9
https://doi.org/10.1007/s10527-015-9469-y
https://doi.org/10.1007/s10527-015-9469-y
Publikováno v:
Biomedical Engineering. 47:228-234
The effect of radiation scattered in a patient’s body on the parameters of digital X-ray imaging was assessed in a monitoring channel. Decrease in spatial resolution, modulation function, and quantum efficiency of digital X-ray detectors due to X-r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::16c09c518a40b45bb5e74488c45e5390
https://doi.org/10.1007/s10527-014-9377-6
https://doi.org/10.1007/s10527-014-9377-6
Autor:
M. I. Zelikman, S. A. Kruchinin
Publikováno v:
Biomedical Engineering. 48:270-272
Software designed for the determination of detective quantum efficiency as a function of spatial frequencies of digital X-ray image detectors used in systems for general radiology, mammography apparatuses, and angiographic complexes is described.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0b57d5af9acb2924387c6364bf6be055
https://doi.org/10.1007/s10527-015-9468-z
https://doi.org/10.1007/s10527-015-9468-z
Autor:
M. I. Zelikman, S. A. Kruchinin
Publikováno v:
Biomedical Engineering. 46:186-189
A method for calibration of LiF: Mg, Ti thermoluminescent dosimeters is presented. The calibrated dosimeters are used in various CT studies involving anthropomorphic phantoms of the human body for estimating the reference levels of effective patient
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eaa00850a430e9a8947b642243fa22c8
https://doi.org/10.1007/s10527-013-9300-6
https://doi.org/10.1007/s10527-013-9300-6
Publikováno v:
Biomedical Engineering. 44:184-187
The quality control process for magnetic resonance imaging (MRI) devices in inpatient settings is discussed. Monitoring systems were designed at the Scientific-Practical Center for Medical Radiology. Methodology and special software for MRI quality c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1c51a05f04a1cdbb8aab63aa3c5e3b41
https://doi.org/10.1007/s10527-011-9184-2
https://doi.org/10.1007/s10527-011-9184-2
Autor:
M. I. Zelikman, S. A. Kruchinin
Publikováno v:
Biomedical Engineering. 43:200-204
The results of comparative analysis of different methods of determining effective dose using helical X-ray computer tomographs (CT) are discussed. Two methods of evaluation of effective dose were used: using anthropometric phantom of the human body a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::613952e8edcd61c46edd1e4b0f0ccc25
https://doi.org/10.1007/s10527-010-9124-6
https://doi.org/10.1007/s10527-010-9124-6
Publikováno v:
Biomedical Engineering. 42:249-252
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a1e2964830e7d4a971ccbe8a2750df31
https://doi.org/10.1007/s10527-009-9053-4
https://doi.org/10.1007/s10527-009-9053-4
Publikováno v:
Biomedical Engineering. 41:235-238
The results of testing of hardware and software for monitoring parameters (mean number of CT units, noise, field uniformity, high-contrast spatial resolution, layer width, dose) and characteristics (modulation transfer function) of X-ray computer tom
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b65bef97df1819986af659c1296979b8
https://doi.org/10.1007/s10527-007-0055-9
https://doi.org/10.1007/s10527-007-0055-9
Publikováno v:
Biomedical Engineering. 41:210-213
Factors affecting the results of estimation of the detective quantum efficiency of digital X-ray detectors within high and low spatial frequency ranges are studied. These factors include energy dispersion and loss in the conversion channel, nonunifor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8b94fca41dcd9ca844eb81951f676633
https://doi.org/10.1007/s10527-007-0048-8
https://doi.org/10.1007/s10527-007-0048-8