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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">10.52676/1729-7885-2022-3-26-30</article-id><article-id custom-type="elpub" pub-id-type="custom">nuc-421</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>НАКОПЛЕНИЕ РАДИОНУКЛИДОВ CS-137 И SR-90 РАСТЕНИЯМИ НА УЧАСТКЕ РАДИОАКТИВНЫХ ВЫПАДЕНИЙ НА ТЕРРИТОРИИ СЕМИПАЛАТИНСКОГО ИСПЫТАТЕЛЬНОГО ПОЛИГОНА</article-title><trans-title-group xml:lang="en"><trans-title>ACCUMULATION OF CS-137 AND SR-90 BY PLANTS IN THE FALLOUT AREA AT THE SEMIPALATINSK TEST SITE</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>Ларионова</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Larionova</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курчатов</p></bio><bio xml:lang="en"><p>Kurchatov</p></bio><email xlink:type="simple">larionova@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>Кривицкий</surname><given-names>П. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Krivitskiy</surname><given-names>P. Ye.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курчатов</p></bio><bio xml:lang="en"><p>Kurchatov</p></bio><email xlink:type="simple">krivitskiy@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>Топорова</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Toporova</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курчатов</p></bio><bio xml:lang="en"><p>Kurchatov</p></bio><email xlink:type="simple">toporova@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>Поливкина</surname><given-names>Е. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Polivkina</surname><given-names>Ye. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курчатов</p></bio><bio xml:lang="en"><p>Kurchatov</p></bio><email xlink:type="simple">polivkina@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>Айдарханов</surname><given-names>А. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Aidarkhanov</surname><given-names>A. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курчатов</p></bio><bio xml:lang="en"><p>Kurchatov</p></bio><email xlink:type="simple">asan@nnc.kz</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Филиал «Институт радиационной безопасности и экологии» РГП НЯЦ РК<country>Казахстан</country></aff><aff xml:lang="en">Branch “Institute of Radiation Safety and Ecology” RSE NNC RK<country>Kazakhstan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>28</day><month>09</month><year>2022</year></pub-date><volume>0</volume><issue>3</issue><fpage>26</fpage><lpage>30</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ларионова Н.В., Кривицкий П.Е., Топорова А.В., Поливкина Е.Н., Айдарханов А.О., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Ларионова Н.В., Кривицкий П.Е., Топорова А.В., Поливкина Е.Н., Айдарханов А.О.</copyright-holder><copyright-holder xml:lang="en">Larionova N.V., Krivitskiy P.Y., Toporova A.V., Polivkina Y.N., Aidarkhanov A.O.</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/421">https://journals.nnc.kz/jour/article/view/421</self-uri><abstract><p>В статье представлены данные по содержанию и оценке параметров накопления искусственных радионуклидов 137Cs и 90Sr степным разнотравьем на участке радиоактивных выпадений от взрыва в скважине 101 на бывшей испытательной площадке «Сары-Узень» Семипалатинского испытательного полигона (СИП). Определено, что удельная активность 137Cs в почвенно-растительном покрове исследуемой территории достигает 2700 Бк/кг, 90Sr – до 3370 Бк/кг. Диапазоны значений Кн 137Cs (0,0030–0,021) и 90Sr (0,064–0,36) составляют по одному порядку. Наибольшим накоплением в растениях характеризуется 90Sr, максимальные значения Кн которого отмечаются в зоне навала воронки от взрыва. Зависимостей изменения Кн с расстоянием от эпицентра ни для одного из радионуклидов не установлено. При этом все значения Кн на порядок выше полученных ранее Кн для эпицентров наземных ядерных испытаний и на порядок ниже, чем значения Кн этих радионуклидов, полученных в целом для пастбищ по данным МАГАТЭ.</p></abstract><trans-abstract xml:lang="en"><p>The article presents data on the content and assessment of parameters of artificial 137Cs and 90Sr accumulation by steppe motley grasses in the fallout area in borehole 101 of the former ‘Sary-Uzen’ testing site of the Semipalatinsk Test Site (STS). 137Cs activity concentration in land cover of the study area was found to reach 2,700 Bq/kg, 90Sr – up to 3,370 Bq/kg. The ranges of Tf values for 137Cs (0.0030-0.021) and 90Sr (0.064-0.36) are one order of magnitude each. 90Sr is most accumulated in plants. Its Tf maxima are noted in the dump zone of the explosion crater. No Tf variation dependences on the distance from ground zero were found for either radionuclide. At the same time, Tf values are one order of magnitude higher than the ones previously obtained for ground zeros of aboveground nuclear tests and one order of magnitude lower than Tf values for these radionuclides obtained as a whole for pastures as reported by IAEA.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>искусственные радионуклиды</kwd><kwd>цезий (137Cs)</kwd><kwd>стронций (90Sr)</kwd><kwd>растения</kwd><kwd>коэффициент накопления (Кн)</kwd></kwd-group><kwd-group xml:lang="en"><kwd>artificial radionuclides</kwd><kwd>cesium (137Cs)</kwd><kwd>strontium (90Sr)</kwd><kwd>plants</kwd><kwd>transfer factor (Tf)</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>Работа выполнена при финансовой поддержке Министерства образования и науки Республики Казахстан в рамках научного гранта AP08856481 «Оценка радиационного состояния растительного покрова с точки зрения его сельскохозяйственного назначения».</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">Вернадский, В. 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