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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">ikbgu</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Кабардино-Балкарского государственного университета</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the Kabardino-Balkarian State University</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2221-7789</issn><publisher><publisher-name>Kabardino-Balkarian State University named after Kh. M. Berbekov</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.31143/2221-7789-2024-1-11-14</article-id><article-id custom-type="edn" pub-id-type="custom">YXJDPY</article-id><article-id custom-type="elpub" pub-id-type="custom">ikbgu-69</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>Физика</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Physics</subject></subj-group></article-categories><title-group><article-title>ОПРЕДЕЛЕНИЕ ПЛОТНОСТИ УГЛЕРОДНЫХ НАНОТРУБОК</article-title><trans-title-group xml:lang="en"><trans-title>THE DEFINITION OF CARBON NANOTUBES DENSITY</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>Долбин</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Dolbin</surname><given-names>I. V.</given-names></name></name-alternatives><email xlink:type="simple">i_dolbin@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>Давыдова</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Davydova</surname><given-names>V. V.</given-names></name></name-alternatives><email xlink:type="simple">i_dolbin@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кудрова</surname><given-names>Е. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Kudrova</surname><given-names>E. G.</given-names></name></name-alternatives><email xlink:type="simple">i_dolbin@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Солодовник</surname><given-names>С. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Solodovnik</surname><given-names>S. G.</given-names></name></name-alternatives><email xlink:type="simple">i_dolbin@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Кабардино-Балкарский государственный университет им. Х.М. Бербекова</institution></aff><aff xml:lang="en"><institution>Kabardino-Balkarian State University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Российский государственный университет туризма и сервиса</institution></aff><aff xml:lang="en"><institution>Russian State University of Tourism and Service</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>30</day><month>03</month><year>2024</year></pub-date><volume>14</volume><issue>1</issue><fpage>11</fpage><lpage>14</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Долбин И.В., Давыдова В.В., Кудрова Е.Г., Солодовник С.Г., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Долбин И.В., Давыдова В.В., Кудрова Е.Г., Солодовник С.Г.</copyright-holder><copyright-holder xml:lang="en">Dolbin I.V., Davydova V.V., Kudrova E.G., Solodovnik S.G.</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://www.izvestiakbsu.ru/jour/article/view/69">https://www.izvestiakbsu.ru/jour/article/view/69</self-uri><abstract><p>Выполнено сравнение двух разных методов определения плотности углеродных нанотрубок, которое показало существенное различие величин плотности (трехкратное). Такое различие обусловлено отсутствием учета реальной (фрактальной) структуры поверхности этого нанонаполнителя согласно общепринятой методике, что дает завышенные значения плотности и влияет на объемное содержание нанонаполнителя. Такое большое различие определяет погрешность при аналитической оценке свойств полимерных нанокомпозитов.</p></abstract><trans-abstract xml:lang="en"><p>The comparison of two different methods of definition carbon nanotubes density was performed, which shows essential difference density values (a three times). Such distinction is due to absence of consideration of real (fractal) structure of this nanofiller surface structure according to the generally accepted methodics, that gives overstated density magnitudes and influences on nanofiller volume content. Such large distinction defines error at analytical estimation of polymer nanocomposites properties.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>нанокомпозит</kwd><kwd>углеродные нанотрубки</kwd><kwd>плотность</kwd><kwd>прогнозирование</kwd><kwd>свойства</kwd></kwd-group><kwd-group xml:lang="en"><kwd>nanocomposite</kwd><kwd>carbon nanotubes</kwd><kwd>density</kwd><kwd>prediction</kwd><kwd>properties</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Микитаев А.К., Козлов Г.В., Заиков Г.Е. Полимерные нанокомпозиты: многообразие струк- турных форм и приложений. М.: Наука, 2009. 278 с.</mixed-citation><mixed-citation xml:lang="en">Mikitaev A.K., Kozlov G.V., Zaikov G.E. Polymer Nanocomposites: Diversity of Structural Forms and Applications. 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