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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-423</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>СИГНАЛЫ ИЗОТОПОМЕРОВ В СПЕКТРАХ13С ЯМР ИЗОПРЕНОВЫХ КАУЧУКОВ</article-title><trans-title-group xml:lang="en"><trans-title>SIGNALS OF ISOTOPOMERS IN13C NMR SPECTRA OF POLYISOPRENE RUBBERS</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>Махиянов</surname><given-names>Н. .</given-names></name><name name-style="western" xml:lang="en"><surname>Makhiyanov</surname><given-names>N. .</given-names></name></name-alternatives><email xlink:type="simple">nk@rambler.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ПАО“Нижнекамскнефтехим”</institution></aff><aff xml:lang="en"><institution>Public Joint Stock Company “Nizhnekamskneftekhim”</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>10</day><month>03</month><year>2020</year></pub-date><volume>85</volume><issue>6</issue><fpage>912</fpage><lpage>918</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Махиянов Н..., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Махиянов Н...</copyright-holder><copyright-holder xml:lang="en">Makhiyanov N...</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/423">https://zhps.ejournal.by/jour/article/view/423</self-uri><abstract><p>Проведен анализ13С-сателлитов - сигналов, обусловленных спин-спиновым взаимодействием ядер13С через одну связь, в спектрах13С ЯМР изопреновых каучуков с естественным содержанием изотопа углерода13С. Измерены константы спин-спинового взаимодействия1J(13C-13C), а также величина эффекта изотопного замещения1∆δ13C(13/12C) при магнитном экранировании ядер13C. Полученные результаты указывают на идентичность конфигурационной и локальной конформационной структур натурального и синтетических изопреновых каучуков. </p></abstract><trans-abstract xml:lang="en"><p>The analysis of13C-satellites was carried out in the13C NMR spectra of isoprene rubbers with the natural content of13C carbon isotope.13C-satellites are the signals caused by the one-bond spin-spin coupling of13C nuclei. The spin-spin coupling1J(13C-13C) constants, as well as the magnitude of the effect of the isotopic substitution1∆δ13C(13/12C), were measured under magnetic shielding of13C nuclei. The results indicate the identity of the configurational and local conformational structure of natural and synthetic isoprene rubbers. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>спектр ядерного магнитного резонанса</kwd><kwd>13С-сателлиты</kwd><kwd>константа спин-спинового взаимодействия13С-13С</kwd><kwd>эффект изотопного12С/13С замещения</kwd><kwd>цис-1</kwd><kwd>4-полиизопрен</kwd><kwd>NMR spectra</kwd><kwd>13C-satellites</kwd><kwd>13С-13С spin-spin coupling constant</kwd><kwd>effect of isotopic (12С/13С) substitution</kwd><kwd>cis-1</kwd><kwd>4-polyisoprene</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">J. Tanaka, H. Sato. Polymer, 17, N 2 (1976) 113-116</mixed-citation><mixed-citation xml:lang="en">J. Tanaka, H. Sato. 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