Search Results - "S. A. Ryzhov"

Study of the mechanical strength of brex. Part 1 by Bizhanov, A. M., Kurunov, I. F., Durov, N. M., Nushtaev, D. V., Ryzhov, S. A.

“…Physical modeling and a numerical simulation are performed to study the effect of the form of the cross section of an extruded briquette (brex) on its…”
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Study of the mechanical strength of brex. Part 2 by Bizhanov, A. M., Kurunov, I. F., Durov, N. M., Nushtaev, D. V., Ryzhov, S. A.

“…Different aspects of the mechanical strength of brex (extruded briquettes) are studied. A finite-element modeling is performed of the fracture of long brex as…”
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Trends in the development of nuclear medicine in the Russian Federation for 2015–2020 by Chipiga, L. A., Ladanova, E. R., Vodovatov, A. V., Zvonova, I. A., Mosunov, A. A., Naurzbaeva, L. T., Ryzhov, S. A.

“…The federal forms of statistical reporting (3-DOZ form, form No. 30 of the Ministry of Health of the Russian Federation and radiation-hygienic passports of the…”
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Proposals for Improving the System of Radiation Safety in Medical Exposure. Part 1. Analysis of information contained in state reporting forms and information databases in Moscow by S. A. Ryzhov, A. V. Vodovatov, I. V. Soldatov, Z. A. Lantukh, A. N. Mukhortova, Yu. V. Druzhinina, P. S. Druzhinina

“…The aim of the search was to compare the sources of information and evaluate dynamics of changes of the patients doses during x-ray and radionuclide…”
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The impact of the COVID-19 pandemic on the structure of radiation diagnostics and collective doses of the population of the Russian Federation under medical irradiation in 2020 by А. Yu. Popova, A. V. Vodovatov, I. K. Romanovich, S. A. Ryzhov, P. S. Druzhinina, R. R. Akhmatdinov

“…Computed tomography has become the main method of early diagnostics of COVID-19 during the pandemic of the novel coronavirus infection. Based on results of…”
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Management of biological waste of patients after radionuclide therapy by L. A. Chipiga, A. V. Vodovatov, I. A. Zvonova, A. A. Stanzhevsky, A. V. Petryakova, E. E. Anokina, K. S. Velichkina, S. A. Ryzhov

“…Radioactive waste management is a modern-day issue in terms of radiation safety due to the development of radionuclide therapy, the emergence of new…”
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Assessment of the absorbed doses in the fetus from the computed tomography of the chest for the pregnant women by A. V. Vodovatov, L. A. Chipiga, P. A. Piven, G. E. Trufanov, G. V. Berkovich, I. A. Mashchenko, P. S. Druzhinina, V. G. Puzyrev, S. A. Ryzhov

“…The number and contribution of high dose imaging modalities, computed tomography in particular, is rapidly increasing both in the 'Russian Federation and other…”
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Proposals for the Russian quality assurance program in computed tomography by P. S. Druzhinina, L. A. Chipiga, S. A. Ryzhov, A. V. Vodovatov, G. V. Berkovich, A. V. Smirnov, D. V. Yaryna, E. P. Ermolina, Yu. V. Druzhinina

“…To ensure the quality assurance of CT-examinations, it is necessary to obtain the high-quality diagnostic information and maintain the optimal exposure levels…”
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Optimization of Twisting Technology in Processing of Polypropylene Film Sewing Thread by Ryzhov, S A, Rodionov, V A

“…Regression equations and graphic dependences demonstrating the effect of selected factors (first and second twist value) on the physicomechanical properties of…”
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Sanitary and epidemiological opinions for work using ionizing radiation sources at the therapeutic and prophylactic institutions by Ryzhov, S A, Okhrimenko, S E

“…The paper deals with the process of obtaining sanitary-and-epidemiological reports for a therapeutic-and-preventive institution. Each of the expertise stages…”
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Substantiation of the Choice of Polypropylene Film Fibres for Production of Sewing Thread by Ryzhov, S A, Rodionov, V A

“…It was found that increasing the draw ratio of polypropylene film fibre to 9 and application of crimping on the surface with special shaping sponges increases…”
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Calculation of the Absolute Breaking Load of Twisted Polypropylene Film Fibres by Ryzhov, S A, Rodionov, V A, Sidorov, A B

“…The Belitsin equation cannot be used for calculation of the breaking load of twisted PP film fibres of different linear density as a function of the twist…”
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Diagnostic reference levels for the city of Moscow during X-ray examinations by Druzhinina, Yu. V., Lantukh, Z. A., Tolkachev, K. V., Soldatov, I. V., Shatenok, M. P., Vodovatov, A. V., Druzhinina, P. S., Shatsky, I. G., Ryzhov, S. A.

“…Diagnostic reference levels are one of the effective tools for optimizing patient radiation doses in diagnostic radiology. The staff of domestic radiology…”
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Analysis of the radiation accidents prevalence in nuclear medicine in the Russian Federation by Vodovatov, A. V., Chipiga, L. A., Ryzhov, S. A., Petryakova, A. V., Biblin, A. M., Gorsky, G. A., Vishnyakova, N. M.

“…Radiation events (accidents) appearance is an integral part of the use of ionizing radiation sources in medicine in general and nuclear medicine in particular…”
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Problems of management of patient biological waste in radionuclide diagnostics by Chipiga, L. A., Ryzhov, S. A., Vodovatov, A. V., Zvonova, I. A., Petryakova, A. V., Stanzhevsky, A. A., Kiselev, K. D., Glotova, I. V.

“…Biological excretion from patients (urine) generated during radionuclide diagnostics enters directly into the hospital sewage system. The establishment of new…”
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Trends in the development of computed tomography in the Russian Federation in 2011–2021 by Druzhinina, P. S., Romanovich, I. K., Vodovatov, A. V., Chipiga, L. A., Akhmatdinov, R. R., Bratilova, A. A., Ryzhov, S. A.

“…The article presents the analysis of the structure of computed tomography diagnostics according to the forms of the federal state statistical observation…”
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Russian decision support systems in radiation diagnostics as an element of ensuring the radiation safety of patients by Lantukh, Z. A., Shatenok, M. P., Druzhinina, Yu. V., Tolkachev, K. V., Soldatov, I. V., Ryzhov, S. A., Vodovatov, A. V.

“…There is a well-established opinion that the radiation safety of the patient and staff lies within the scope of the activities and responsibilities of the…”
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Improvement of the approach to definition of patient release criteria after radionuclide therapy by Chipiga, L. A., Zvonova, I. A., Vodovatov, A. V., Petryakova, A. V., Stanzhevsky, A. A., Vazhenina, D. A., Smoliarchuk, M. A., Ryzhov, S. A.

“…Current patient release criteria established in NRB-99/2009 relate to four radionuclides used in Russia that period of the document preparation. These criteria…”
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Radiation accidents in X-ray and radionuclide diagnostics and therapy: comparison of Russian and international approaches to the terminology and classification by Vodovatov, A. V., Chipiga, L. A., Ryzhov, S. A., Petryakova, A. V., Biblin, A. M., Gorsky, G. A.

“…Introduction of new methods of nuclear medicine, X-ray diagnostics and therapy using medical sources of ionizing radiation inevitably leads to an increase in…”
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Unjustified referrals to radiological examinations and their impact on the collective effective dose of patients in outpatient medical organizations by Lantukh, Z. A., Tligurov, Yu. A., Soldatov, I. V., Tolkachev, K. V., Druzhinina, Yu. V., Shatenok, M. P., Ryzhov, S. A., Vasilyev, Yu. A.

“…In recent years, an increase in the collective dose from medical exposure has been recorded annually, which is associated with an increase in the availability…”
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