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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">nuc</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник НЯЦ РК</journal-title><trans-title-group xml:lang="en"><trans-title>NNC RK Bulletin</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1729-7516</issn><issn pub-type="epub">1729-7885</issn><publisher><publisher-name>Национальный ядерный центр Республики Казахстан</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.52676/1729-7885-2023-4-85-90</article-id><article-id custom-type="elpub" pub-id-type="custom">nuc-590</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>Статьи</subject></subj-group></article-categories><title-group><article-title>РАСЧЕТ АКТИВНОСТИ СТАЛЬНОЙ АМПУЛЫ ПОСЛЕ РЕАКТОРНОГО ОБЛУЧЕНИЯ</article-title><trans-title-group xml:lang="en"><trans-title>CALCULATION OF THE ACTIVITY OF A STEEL AMPOULE AFTER REACTOR IRRADIATION</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сураев</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Surayev</surname><given-names>A. S.</given-names></name></name-alternatives><email xlink:type="simple">kakimova@nnc.kz</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Какимова</surname><given-names>Г. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Kakimova</surname><given-names>G. G.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Иркимбеков</surname><given-names>Р. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Irkimbekov</surname><given-names>R. A.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Филиал «Институт атомной энергии» РГП НЯЦ РК<country>Казахстан</country></aff><aff xml:lang="en">Branch “Institute of Atomic Energy” RSE NNC RK<country>Kazakhstan</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Филиал «Институт атомной энергии» РГП НЯЦ РК; НАО «Университет имени Шакарима города Семей»</aff><aff xml:lang="en">Branch “Institute of Atomic Energy” RSE NNC RK; Shakarim University</aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>29</day><month>12</month><year>2023</year></pub-date><volume>0</volume><issue>4</issue><fpage>85</fpage><lpage>90</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Сураев А.С., Какимова Г.Г., Иркимбеков Р.А., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Сураев А.С., Какимова Г.Г., Иркимбеков Р.А.</copyright-holder><copyright-holder xml:lang="en">Surayev A.S., Kakimova G.G., Irkimbekov R.A.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://journals.nnc.kz/jour/article/view/590">https://journals.nnc.kz/jour/article/view/590</self-uri><abstract><p>В работе рассмотрен способ оценки активности стальной ампулы после реакторного облучения методом Монте-Карло. Объектом исследования служит одностенная ампула, выполненная из стали 12Х18Н10Т. Данная ампула служит защитным барьером при проведении реакторных испытаний с экспериментальными устройствами на исследовательском реакторе ИГР. Прогнозирование величины активности ампулы после реакторного пуска позволит своевременно спланировать и организовать работы по дальнейшему безопасному обращению с ампулой. Приведены результаты нейтронно-физического расчета радиационных характеристик ампулы, выполненные в программе MCNP по двум методикам.</p></abstract><trans-abstract xml:lang="en"><p>The paper considers a method for evaluating the activity of a steel ampoule after reactor irradiation by the Monte Carlo method. The object of study is a single-wall ampoule made of steel 12Cr18Ni10Ti. This ampoule serves as a protective barrier during reactor tests with experimental devices at the IGR reactor. Forecasting the activity value of the ampoule after the reactor start-up will allow timely planning and organization of work on further safe handling of the ampoule. The results of the neutron-physical calculation of the radiation characteristics of the ampoule, performed in the MCNP program using two methods, are presented.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>активационный интеграл</kwd><kwd>безопасность</kwd><kwd>стальная ампула</kwd><kwd>ядерные реакции</kwd><kwd>метод Монте-Карло</kwd></kwd-group><kwd-group xml:lang="en"><kwd>experimental device</kwd><kwd>safety</kwd><kwd>steel ampoule</kwd><kwd>nuclear reactions</kwd><kwd>Monte Carlo method</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>Работа была выполнена в рамках проекта КН МНВО РК «Исследования в поддержку создания и безопасного функционирования атомной электростанции в Республике Казахстан» (BR21882185).</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Batyrbekov E., Vityuk V., Vurim A., Vityuk G. 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