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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">zhps</journal-id><journal-title-group><journal-title xml:lang="ru">Журнал прикладной спектроскопии</journal-title><trans-title-group xml:lang="en"><trans-title>Zhurnal Prikladnoii Spektroskopii</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0514-7506</issn><publisher><publisher-name>B. I. Stepanov Institute of Physics of the National Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">zhps-402</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>ЭКСПРЕСС-МЕТОД И АППАРАТУРА ПРОТОННОГО МАГНИТНОГО РЕЗОНАНСА ДЛЯ ИЗМЕРЕНИЯ ПЛОТНОСТИ И МОЛЕКУЛЯРНОЙ МАССЫ НЕФТЕЙ</article-title><trans-title-group xml:lang="en"><trans-title>EXPRESS-METHOD AND APPARATUS OF PROTON MAGNETIC RESONANCE RELAXOMETRY FOR MEASUREMENT OF DENSITY AND MOLECULAR MASS OF OILS</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>Кашаев</surname><given-names>Р. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Kashaev</surname><given-names>R. S.</given-names></name></name-alternatives><email xlink:type="simple">Kashaev2007@yandex.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>Сунцов</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Suntsov</surname><given-names>I. A.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Тунг</surname><given-names>Ч. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Tung</surname><given-names>Ch. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Киен</surname><given-names>Н. Т.</given-names></name><name name-style="western" xml:lang="en"><surname>Kien</surname><given-names>N. T.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Усачёв</surname><given-names>А. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Usachev</surname><given-names>A. E.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Козелков</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kozelkov</surname><given-names>O. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Казанский государственный энергетический университет</institution></aff><aff xml:lang="en"><institution>Kazan State Power Engineering University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>10</day><month>03</month><year>2020</year></pub-date><volume>86</volume><issue>2</issue><fpage>277</fpage><lpage>282</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кашаев Р.С., Сунцов И.А., Тунг Ч.В., Киен Н.Т., Усачёв А.Е., Козелков О.В., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Кашаев Р.С., Сунцов И.А., Тунг Ч.В., Киен Н.Т., Усачёв А.Е., Козелков О.В.</copyright-holder><copyright-holder xml:lang="en">Kashaev R.S., Suntsov I.A., Tung C.V., Kien N.T., Usachev A.E., Kozelkov O.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://zhps.ejournal.by/jour/article/view/402">https://zhps.ejournal.by/jour/article/view/402</self-uri><abstract><p>Проведен анализ расчетных методов определения средней молекулярной массы (ММ) по плотности. Экспериментально определена зависимость плотности r от времен протонной спин-решеточной (Т1Н) и спин-спиновой (Т2Н) релаксации для нефти. По полученным корреляциям рассчитаны зависимости ММ от времен Т1,2Н. Сопоставление экспериментальных и теоретических зависимостей ММ(Т2Н) показало, что времена релаксации позволяют оперативно определять ММ. </p></abstract><trans-abstract xml:lang="en"><p>Performed the analysis of the calculation methods of mean molecular mass MM determination using density values. Experimentally determined the dependence of density r from proton spin-lattice Т1H and spin-spin Т2Н relaxation times of oil. Using obtained correlations calculated dependences of MM from relaxation times Т1,2Н. Examination by compare experimental and theoretical dependences ММ(Т2Н) showed, that relaxation times allows expressly determine ММ. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>средняя молекулярная масса</kwd><kwd>плотность</kwd><kwd>времена протонной релаксации</kwd><kwd>mean molecular mass</kwd><kwd>density</kwd><kwd>proton relaxation times</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">С. Н. Овчаров, С. И. Колесников, И. М. Колесников, А. А. Ануфриев. Химия и технология топлив и масел, № 4 (2006) 53-54</mixed-citation><mixed-citation xml:lang="en">С. Н. Овчаров, С. И. Колесников, И. М. Колесников, А. А. Ануфриев. Химия и технология топлив и масел, № 4 (2006) 53-54</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">А. И. Мытарева, В. Н. Торховский. 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