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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">10.52676/1729-7885-2026-2-160-166</article-id><article-id custom-type="elpub" pub-id-type="custom">nuc-1033</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>МЕТРОЛОГИЧЕСКИЕ ПОКАЗАТЕЛИ ПОВТОРЯЕМОСТИ И ВНУТРИЛАБОРАТОРНОЙ ПРЕЦИЗИОННОСТИ МЕТОДИКИ НЕЙТРОННО-АКТИВАЦИОННОГО АНАЛИЗА ПО КОРОТКОЖИВУЩИМ РАДИОНУКЛИДАМ НА ВВР-К</article-title><trans-title-group xml:lang="en"><trans-title>METROLOGICAL CHARACTERISTICS OF REPEATABILITY AND LABORATORY PRECISION OF THE NEUTRON-ACTIVATION ANALYSIS TECHNIQUE FOR SHORT-LIVED RADIONUCLIDES ON WWR-K</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3995-9588</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ленник</surname><given-names>С. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Lennik</surname><given-names>S. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Светлана Геннадьевна Ленник </p><p>Алматы</p></bio><bio xml:lang="en"><p>Almaty</p></bio><email xlink:type="simple">lennik_s@inp.kz</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1526-7758</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бедельбекова</surname><given-names>К. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Bedelbekova</surname><given-names>K. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Камшат Азатовна Бедельбекова </p><p>Алматы</p></bio><bio xml:lang="en"><p>Almaty</p></bio><email xlink:type="simple">k.bedelbekova@inp.kz</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4237-8717</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Силачев</surname><given-names>И. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Silachyov</surname><given-names>I. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Игорь Юрьевич Силачев </p><p>Алматы</p></bio><bio xml:lang="en"><p>Almaty</p></bio><email xlink:type="simple">silachyov@inp.kz</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0007-4211-8591</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Соколенко</surname><given-names>Е. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Sokolenko</surname><given-names>Ye. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Евгений Константинович Соколенко </p><p>Алматы</p></bio><bio xml:lang="en"><p>Almaty</p></bio><email xlink:type="simple">e.sokolenko@inp.kz</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0001-9508-1573</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Суздальцева</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Suzdaltseva</surname><given-names>T. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Татьяна Витальевна Суздальцева </p><p>Алматы</p></bio><bio xml:lang="en"><p>Almaty</p></bio><email xlink:type="simple">stata1958@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0005-9988-8859</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мирхаджи</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Mirkhaji</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Диляра Валиевна Мирхаджи </p><p>Алматы</p></bio><bio xml:lang="en"><p>Almaty</p></bio><email xlink:type="simple">d.mirkhadzhi@inp.kz</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6620-4071</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ыдырышева</surname><given-names>С. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Ydyrysheva</surname><given-names>S. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сәулет Кәримбекқызы Ыдырышева</p><p>Алматы</p></bio><bio xml:lang="en"><p>Almaty</p></bio><email xlink:type="simple">s.ydyrysheva@inp.kz</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт ядерной физики Агентства Республики Казахстан по Атомной энергии</institution><country>Казахстан</country></aff><aff xml:lang="en"><institution>Institute of Nuclear Physics of the Agency of the Republic of Kazakhstan for Atomic Energy</institution><country>Kazakhstan</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт ядерной физики Агентства Республики Казахстан по Атомной энергии;&#13;
Satbayev University, пр. Сатпаева 22а</institution><country>Казахстан</country></aff><aff xml:lang="en"><institution>Institute of Nuclear Physics of the Agency of the Republic of Kazakhstan for Atomic Energy; &#13;
Satpayev University</institution><country>Kazakhstan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>09</day><month>08</month><year>2026</year></pub-date><volume>0</volume><issue>2</issue><fpage>160</fpage><lpage>166</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ленник С.Г., Бедельбекова К.А., Силачев И.Ю., Соколенко Е.К., Суздальцева Т.В., Мирхаджи Д.В., Ыдырышева С.К., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Ленник С.Г., Бедельбекова К.А., Силачев И.Ю., Соколенко Е.К., Суздальцева Т.В., Мирхаджи Д.В., Ыдырышева С.К.</copyright-holder><copyright-holder xml:lang="en">Lennik S.G., Bedelbekova K.A., Silachyov I.Y., Sokolenko Y.K., Suzdaltseva T.V., Mirkhaji D.V., Ydyrysheva S.K.</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/1033">https://journals.nnc.kz/jour/article/view/1033</self-uri><abstract><p>В настоящее время ведется разработка новой методики выполнения измерений (МВИ) для нейтронно-активационного анализа (НАА) по короткоживущим радионуклидам. Активация проб осуществляется с помощью пневмотранспортной системы (со встроенным специализированным спектрометрическим комплексом), интегрированной в выделенный горизонтальный канал исследовательского ядерного реактора ВВР-K в Институте ядерной физики (г. Алматы). Условия для набора экспериментальных данных и алгоритмы расчета метрологических характеристик определялись согласно требованиям действующей нормативной базы и Государственной системы обеспечения единства измерений Республики Казахстан. Для широкого диапазона содержаний элементов Al, Cl, Cu, Dy, In, Mn, Ti, V выполнены расчеты показателей повторяемости и внутрилабораторной прецизионности МВИ.</p><p>Полученные результаты предназначены для подготовки к аттестации и внесению данной МВИ в государственный реестр средств измерений РК. Методика, аналогов которой в настоящее время нет ни в РК, ни на постсоветском пространстве, предназначена для использования на конкретном уникальном экспериментальном оборудовании для исследования твердых порошковых проб.</p></abstract><trans-abstract xml:lang="en"><p>A new certified analytical technique (CAT) for neutron activation analysis (NAA) by short-lived radionuclides is being developed. Sample activation is performed using a pneumatic transport system (with a built-in specialized spectrometric complex) integrated into a dedicated horizontal channel of the WWR-K research nuclear reactor in the Institute of Nuclear Physics (Almaty city). The conditions for collecting experimental data and the algorithms for calculating metrological characteristics were determined in accordance with the requirements of the current regulatory framework and the State System for Ensuring the Uniformity of Measurements of the Republic of Kazakhstan. Calculations of the repeatability and laboratory precision indicators of the CAT were performed for a wide range of concentrations of the elements Al, Cl, Cu, Dy, In, Mn, Ti, and V. The results obtained are intended for preparation for the certification and inclusion of this CAT in the State Register of Measuring Instruments of the Republic of Kazakhstan. The methodology, which currently has no analogues either in the Republic of Kazakhstan or in the post-Soviet space, is intended for use on specific, unique experimental equipment for the study of solid powder samples.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>нейтронно-активационный анализ</kwd><kwd>пневмотранспортная система</kwd><kwd>короткоживущие радионуклиды</kwd><kwd>массовые доли</kwd><kwd>элементы</kwd><kwd>метрологические показатели</kwd><kwd>методика выполнения измерений</kwd></kwd-group><kwd-group xml:lang="en"><kwd>neutron activation analysis</kwd><kwd>pneumatic transport system</kwd><kwd>short-lived radionuclides</kwd><kwd>mass fractions</kwd><kwd>elements</kwd><kwd>metrological characteristics</kwd><kwd>certified analytical technique</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Данная работа выполнена в рамках бюджетного финансирования Министерства Энергетики Республики Казахстан «Развитие ядерно-физических методов и технологий для инновационной модернизации экономики Казахстана» ИРН: BR23891691.</funding-statement><funding-statement xml:lang="en">Ministry of Energy of the Republic of Kazakhstan "Development of Nuclear and Physical Methods and Technologies for Innovative Modernization of Kazakhstan's Economy" IRR: BR23891691.</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">Reactor Database (RRDB). // IAEA. – https://nucleus.iaea.org/RRDB/RR/ReactorSearch.aspx</mixed-citation><mixed-citation xml:lang="en">International Atomic Energy Agency (IAEA). 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