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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">npe</journal-id><journal-title-group><journal-title xml:lang="ru">Ядерная физика и инжиниринг</journal-title><trans-title-group xml:lang="en"><trans-title>Nuclear Physics and Engineering</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2079-5629</issn><issn pub-type="epub">2079-5637</issn><publisher><publisher-name>МИФИ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.56304/S2079562922050244</article-id><article-id custom-type="elpub" pub-id-type="custom">npe-184</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>Моделирование наноструктур</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Modeling of Nanostructures</subject></subj-group></article-categories><title-group><article-title>Развитие алгоритмов для анализа данных малоуглового рентгеновского рассеяния от полидисперсных и частично упорядоченных систем</article-title><trans-title-group xml:lang="en"><trans-title>Development of Algorithms for Analysis of Small-Angle X-Ray Scattering Data from Polydisperse and Partially Ordered Systems</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>Конарев</surname><given-names>П. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Konarev</surname><given-names>P. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва, 119333; Москва, 123182</p></bio><bio xml:lang="en"><p>Moscow, 119333; Moscow, 123182</p></bio><email xlink:type="simple">peter_konarev@mail.ru</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>Волков</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Volkov</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва, 119333 </p></bio><bio xml:lang="en"><p>Moscow, 123182</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт кристаллографии им. А.В. Шубникова, ФНИЦ “Кристаллография и фотоника” РАН; Национальный исследовательский центр “Курчатовский институт”</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Shubnikov Institute of Crystallography, FSRC “Crystallography and Photonics”, Russian Academy of Sciences; National Research Centre “Kurchatov Institute”</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт кристаллографии им. А.В. Шубникова, ФНИЦ “Кристаллография и фотоника” РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Research Centre “Kurchatov Institute”</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>31</day><month>12</month><year>2023</year></pub-date><volume>14</volume><issue>4</issue><fpage>408</fpage><lpage>414</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Конарев П.В., Волков В.В., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Конарев П.В., Волков В.В.</copyright-holder><copyright-holder xml:lang="en">Konarev P.V., Volkov V.V.</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://npe.elpub.ru/jour/article/view/184">https://npe.elpub.ru/jour/article/view/184</self-uri><abstract><p>Метод малоулового рентгеновского рассеяния позволяет исследовать структуру растворов белков, полимеров и металлических наночастиц в диапазоне 1–200 нм. Развитие новых и усовершенствование имеющихся алгоритмов для анализа экспериментальных данных малоуглового рассеяния представляет собой важную и актуальную задачу. В данной работе представлен ряд алгоритмов, позволяющих находить функции распределения рассеивающих неоднородностей по размерам, восстанавливать профили интенсивности отдельных компонент в белковых смесях, оценивать размеры области кристалличности и межплоскостные расстояния в частично упорядоченных системах. Ряд алгоритмов реализован в виде программ с использованием кроссплатформенной графической библиотеки Qt, что значительно расширяет круг их потенциальных пользователей. Эффективность работы алгоритмов продемонстрирована на ряде экспериментальных данных малоуглового рассеяния.</p></abstract><trans-abstract xml:lang="en"><p>The small-angle X-ray scattering method allows studying the structure of solutions of proteins, polymers and metal nanoparticles in the range of 1–200 nm. The development of new and improvement of the available algorithms for the analysis of experimental data of small-angle X-ray scattering data is an important task. This study presents a number of algorithms that allow one to find the particle size distribution functions, restore the intensity profiles of individual components in protein mixtures, and estimate the size of the crystallinity region and spacing distances in partially ordered systems. A number of algorithms are implemented in computer programs using the cross-platform graphics library Qt, which significantly expands the number of the potential users. The efficiency of the algorithms has been demonstrated on a number of theoretical and experimental small-angle X-ray scattering data.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>малоугловое рентгеновское рассеяние</kwd><kwd>эволюционный факторный анализ</kwd><kwd>гель-хроматография</kwd><kwd>функция распределения частиц по размерам</kwd><kwd>частично упорядоченные системы</kwd><kwd>размер области кристалличности</kwd><kwd>кроссплатформенная графическая библиотека Qt</kwd></kwd-group><kwd-group xml:lang="en"><kwd>small-angle X-ray scattering</kwd><kwd>evolving factor analysis</kwd><kwd>size exclusion chromatography</kwd><kwd>particle size distribution</kwd><kwd>partially ordered systems</kwd><kwd>crystallite size</kwd><kwd>cross-platform graphics library Qt</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при поддержке Министерства науки и высшего образования Российской Федерации в рамках Федеральной научно-технической программы развития синхротронных и нейтронных исследований и исследовательской инфраструктуры на 2019–2027 гг. 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