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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="en"><front><journal-meta><journal-id journal-id-type="publisher-id">chemicallytech</journal-id><journal-title-group><journal-title xml:lang="en">Fine Chemical Technologies</journal-title><trans-title-group xml:lang="ru"><trans-title>Тонкие химические технологии</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2410-6593</issn><issn pub-type="epub">2686-7575</issn><publisher><publisher-name>MIREA – Russian Technological University (RTU MIREA).</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">chemicallytech-215</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="en"><subject>THEORETICAL BASIS OF CHEMICAL TECHNOLOGY</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ТЕОРЕТИЧЕСКИЕ ОСНОВЫ ХИМИЧЕСКОЙ ТЕХНОЛОГИИ</subject></subj-group></article-categories><title-group><article-title>Euler characteristic of splitting diagrams of multicomponent multiphase systems</article-title><trans-title-group xml:lang="ru"><trans-title>Характеристика Эйлера диаграмм расслаивания многокомпонентных многофазных систем</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>Серафимов</surname><given-names>Л. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Serafimov</surname><given-names>L. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кафедра химии и технологии основного органического синтеза, профессор</p></bio><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>Фролкова</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Frolkova</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кафедра химии и технологии основного органического синтеза, ассистент</p></bio><email xlink:type="simple">frolkova_nastya@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>Семин</surname><given-names>Г. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Semin</surname><given-names>G. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кафедра химии и технологии основного органического синтеза, аспирант</p></bio><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>МИТХТ им. М.В. Ломоносова, 119571, Москва, пр-т Вернадского, д. 86</institution><country>Россия</country></aff><aff xml:lang="en"><institution>M.V. Lomonosov Moscow State University of Fine Chemical Technologies, 86, Vernadskogo pr., Moscow 119571</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2015</year></pub-date><pub-date pub-type="epub"><day>28</day><month>02</month><year>2015</year></pub-date><volume>10</volume><issue>1</issue><fpage>39</fpage><lpage>44</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Serafimov L.A., Frolkova A.V., Semin G.A., 2015</copyright-statement><copyright-year>2015</copyright-year><copyright-holder xml:lang="ru">Серафимов Л.А., Фролкова А.В., Семин Г.А.</copyright-holder><copyright-holder xml:lang="en">Serafimov L.A., Frolkova A.V., Semin G.A.</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.finechem-mirea.ru/jour/article/view/215">https://www.finechem-mirea.ru/jour/article/view/215</self-uri><abstract><p>The analysis of splitting diagrams of multicomponent multiphase systems was made. Euler characteristics was considered as topological invariant of phase diagram of liquid-liquid equilibrium. It was established that a certain value of the Euler characteristics corresponds to each type of splitting diagram and a geometrical image of heterogeneous area was determined. The suggested method is universal and can be applied to systems with any number of splitting binary constituents and with different structure of binodal variety.</p></abstract><trans-abstract xml:lang="ru"><p>Проведен анализ диаграмм расслаивания многокомпонентных многофазных систем. Установлено, что каждому виду диаграмм соответствует определенная величина характеристики Эйлера, определен вид геометрического образа гетерогенной области.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>фазовая диаграмма</kwd><kwd>расслаивание</kwd><kwd>характеристика Эйлера</kwd><kwd>многокомпонентные системы</kwd><kwd>нетто-концентрации</kwd></kwd-group><kwd-group xml:lang="en"><kwd>phase diagram</kwd><kwd>splitting diagram</kwd><kwd>Euler characteristic</kwd><kwd>multicomponent multiphase systems</kwd><kwd>netto-concentrations.</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">Серафимов Л.А. // Журн. физ. химии. 2002. Т. 76. № 8. С. 1351-1365.</mixed-citation><mixed-citation xml:lang="en">Серафимов Л.А. // Журн. физ. химии. 2002. Т. 76. № 8. 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