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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-906</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>Многопараметрическая калибровка концентраций C, Mn, Si, Cr, Ni и Cu в низколегированных сталях методами лазерноискровой эмиссионной спектроскопии по необработанным спектрам с низким разрешением</article-title><trans-title-group xml:lang="en"><trans-title>Multivariate Calibration of Concentrations of C, Mn, Si, Cr, Ni, and Cu in Low-Alloyed Steels from Raw Spectra with Low Resolution Obtained by Laser-Induced Breakdown Spectroscopy Method</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>Бельков</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Belkov</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Борисевич</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Borisevich</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кацалап</surname><given-names>К. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Catsalap</surname><given-names>K. Y.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><email xlink:type="simple">k.catsalap@ifanbel.bas-net.by</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>Ходасевич</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Khodasevich</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт физики НАН Беларуси</institution></aff><aff xml:lang="en"><institution>B. I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>10</day><month>10</month><year>2021</year></pub-date><volume>88</volume><issue>5</issue><fpage>737</fpage><lpage>742</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Бельков М.В., Борисевич Д.А., Кацалап К.Ю., Ходасевич М.А., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Бельков М.В., Борисевич Д.А., Кацалап К.Ю., Ходасевич М.А.</copyright-holder><copyright-holder xml:lang="en">Belkov M.V., Borisevich D.A., Catsalap K.Y., Khodasevich M.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://zhps.ejournal.by/jour/article/view/906">https://zhps.ejournal.by/jour/article/view/906</self-uri><abstract><p>По необработанным лазерно-искровым эмиссионным спектрам низкого разрешения, зарегистрированным для эталонных образцов низколегированных сталей, построены многопараметрические модели для калибровки концентраций шести химических элементов (C, Mn, Si, Cr, Ni и Cu), представляющих собой основные технологические примеси и легирующие добавки. Многопараметрические модели содержания C (среднеквадратичное отклонение калибровки по проверочной выборке 0.06 %) и Mn (0.12 %) являются количественными с достаточной для практического применения точностью, полуколичественными для Si (0.09 %) и Ni (0.07 %) и качественными для Cr (0.13 %) и Cu (0.08 %).</p></abstract><trans-abstract xml:lang="en"><p>Multivariate models were developed on the base of raw low-resolution LIBS spectra of reference samples of low-alloyed steels for calibration of the concentrations of six chemical elements (C, Mn, Si, Cr, Ni, and Cu), which are the main technological and alloying additives. The multivariate models for C (RMSE=0.06% for test dataset) and Mn (0.12%) content are quantitative with an accuracy sufficient for practical application, semi-quantitative for Si (0.09%) and Ni (0.07%), and qualitative for Cr (0.13%) and Cu (0.08%).</p></trans-abstract><kwd-group xml:lang="ru"><kwd>многопараметрическая калибровка</kwd><kwd>метод частичных наименьших квадратов</kwd><kwd>лазерно-искровая эмиссионная спектроскопия</kwd><kwd>низколегированные стали</kwd></kwd-group><kwd-group xml:lang="en"><kwd>multivariate calibration</kwd><kwd>partial least squares</kwd><kwd>laser-induced breakdown spectroscopy</kwd><kwd>lowalloyed steels</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">Y. Wei, R. S. Varanasi, T. Schwarz, L. Gomell, H. Zhao, D. J. Larson, B. Sun, G. Liu, H. Chen, D. Raabe, B. Gault. 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