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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-582</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>КОЛИЧЕСТВЕННЫЙ АНАЛИЗ СОДЕРЖАНИЯ АЗОТА В МОНОАММОНИЙФОСФАТНОМ УДОБРЕНИИ С ИСПОЛЬЗОВАНИЕМ ВИДИМОЙ И БЛИЖНЕЙ ИК СПЕКТРОСКОПИИ И МЕТОДА ОПОРНЫХ ВЕКТОРОВ И НАИМЕНЬШИХ КВАДРАТОВ</article-title><trans-title-group xml:lang="en"><trans-title>QUANTITATIVE ANALYSIS OF TOTAL NITROGEN CONTENT IN MONOAMMONIUM PHOSPHATE FERTILIZER USING VISIBLE-NEAR INFRARED SPECTROSCOPY AND LEAST SQUARES SUPPORT VECTOR MACHINE</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>Wang</surname><given-names>L. S.</given-names></name><name name-style="western" xml:lang="en"><surname>Wang</surname><given-names>L. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хэфэй, 230031</p></bio><bio xml:lang="en"><p>Hefei 230031</p></bio><email xlink:type="simple">lswang@iim.ac.cn</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>Wang</surname><given-names>R. J.</given-names></name><name name-style="western" xml:lang="en"><surname>Wang</surname><given-names>R. J.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хэфэй, 230031</p></bio><bio xml:lang="en"><p>Hefei 230031</p><p> </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>Lu</surname><given-names>C. P.</given-names></name><name name-style="western" xml:lang="en"><surname>Lu</surname><given-names>C. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хэфэй, 230031</p></bio><bio xml:lang="en"><p>Hefei 230031</p><p> </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>Wang</surname><given-names>J.</given-names></name><name name-style="western" xml:lang="en"><surname>Wang</surname><given-names>J.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хэфэй, 230031</p></bio><bio xml:lang="en"><p>Hefei 230031</p><p> </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>Huang</surname><given-names>W.</given-names></name><name name-style="western" xml:lang="en"><surname>Huang</surname><given-names>W.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хэфэй, 230031</p></bio><bio xml:lang="en"><p>Hefei 230031</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>Jian</surname><given-names>Q.</given-names></name><name name-style="western" xml:lang="en"><surname>Jian</surname><given-names>Q.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хэфэй, 230031</p></bio><bio xml:lang="en"><p>Hefei 230031</p><p> </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>Wang</surname><given-names>Y. B.</given-names></name><name name-style="western" xml:lang="en"><surname>Wang</surname><given-names>Y. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хэфэй, 230031</p></bio><bio xml:lang="en"><p>Hefei 230031</p><p> </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>Lin</surname><given-names>L. Z.</given-names></name><name name-style="western" xml:lang="en"><surname>Lin</surname><given-names>L. Z.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хэфэй 230037</p></bio><bio xml:lang="en"><p>Hefei 230037</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Song</surname><given-names>L. T.</given-names></name><name name-style="western" xml:lang="en"><surname>Song</surname><given-names>L. T.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хэфэй, 230031</p></bio><bio xml:lang="en"><p>Hefei 230031</p><p> </p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт интеллектуальных машин Китайской АН</institution></aff><aff xml:lang="en"><institution>Institute of Intelligent Machines, Chinese Academy of Sciences</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт электроники</institution></aff><aff xml:lang="en"><institution>Electronic Engineering Institute</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>20</day><month>03</month><year>2020</year></pub-date><volume>86</volume><issue>3</issue><fpage>433</fpage><lpage>437</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Wang L.S., Wang R.J., Lu C.P., Wang J., Huang W., Jian Q., Wang Y.B., Lin L.Z., Song L.T., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Wang L.S., Wang R.J., Lu C.P., Wang J., Huang W., Jian Q., Wang Y.B., Lin L.Z., Song L.T.</copyright-holder><copyright-holder xml:lang="en">Wang L.S., Wang R.J., Lu C.P., Wang J., Huang W., Jian Q., Wang Y.B., Lin L.Z., Song L.T.</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/582">https://zhps.ejournal.by/jour/article/view/582</self-uri><abstract/><trans-abstract xml:lang="en"/><kwd-group xml:lang="ru"><kwd>спектроскопия видимой–ближней ИК области</kwd><kwd>моноаммонийфосфатное удобрение</kwd><kwd>содержание азота</kwd><kwd>предварительная обработка</kwd><kwd>метод наименьших квадратов и опорных векторов</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Vis-NIR spectroscopy</kwd><kwd>monoammonium phosphate fertilizer</kwd><kwd>total nitrogen content</kwd><kwd>preprocessing</kwd><kwd>least squares support vector machine</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">This work was supported by the Science and Technology Service Network of the Chinese Academy of Sciences (No. KFJ-SW-STS-144), the Key R &amp; D project in the Ningxia Hui Autonomous Region (No. XD-XMBW-2016001), and the National Natural Science Foundation of China (No. 31671586).</funding-statement><funding-statement xml:lang="en">This work was supported by the Science and Technology Service Network of the Chinese Academy of Sciences (No. KFJ-SW-STS-144), the Key R &amp; D project in the Ningxia Hui Autonomous Region (No. XD-XMBW-2016001), and the National Natural Science Foundation of China (No. 31671586).</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">American Association of Cereal Chemists, Eds. 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