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  <front>
    <journal-meta>
      <journal-id journal-id-type="issn">2411-3336</journal-id>
      <journal-id journal-id-type="eissn">2541-9404</journal-id>
      <journal-title-group>
        <journal-title xml:lang="ru">Записки Горного института</journal-title>
        <journal-title xml:lang="en">Journal of Mining Institute</journal-title>
      </journal-title-group>
      <publisher>
        <publisher-name xml:lang="ru">Санкт-Петербургский горный университет императрицы Екатерины ΙΙ</publisher-name>
        <publisher-name xml:lang="en">Empress Catherine II Saint Petersburg Mining University</publisher-name>
      </publisher>
    </journal-meta>
    <article-meta>
      <article-id custom-type="pmi" pub-id-type="custom">pmi-11351</article-id>
      <article-id pub-id-type="uri">https://pmi.spmi.ru/pmi/article/view/11351</article-id>
      <article-categories>
        <subj-group subj-group-type="section-heading" xml:lang="ru">
          <subject>Без раздела</subject>
        </subj-group>
        <subj-group subj-group-type="section-heading" xml:lang="en">
          <subject>Without section</subject>
        </subj-group>
      </article-categories>
      <title-group>
        <article-title xml:lang="en">Methods and results of experimental studies of gas content in the chamber of mechanical flotation machine</article-title>
        <trans-title-group xml:lang="ru">
          <trans-title>Методика и результаты экспериментальных исследований газосодержания в камере механической флотационной машины</trans-title>
        </trans-title-group>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author" corresp="yes">
          <name name-style="eastern">
            <surname>Denegin</surname>
            <given-names>V. V.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Денегин</surname>
              <given-names>В. В.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Denegin</surname>
              <given-names>V. V.</given-names>
            </name>
          </name-alternatives>
          <email>pmi@spmi.ru</email>
          <xref ref-type="aff" rid="aff1"/>
        </contrib>
        <aff-alternatives id="aff1">
          <aff>
            <institution xml:lang="ru"> (Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en"> (Russia)</institution>
          </aff>
        </aff-alternatives>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Denegina</surname>
            <given-names>N. N.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Денегина</surname>
              <given-names>Н. Н.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Denegina</surname>
              <given-names>N. N.</given-names>
            </name>
          </name-alternatives>
          <email>pmi@spmi.ru</email>
          <xref ref-type="aff" rid="aff2"/>
        </contrib>
        <aff-alternatives id="aff2">
          <aff>
            <institution xml:lang="ru"> (Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en"> (Russia)</institution>
          </aff>
        </aff-alternatives>
      </contrib-group>
      <pub-date pub-type="epub" iso-8601-date="1975-01-01">
        <day>01</day>
        <month>01</month>
        <year>1975</year>
      </pub-date>
      <pub-date date-type="collection">
        <year>1975</year>
      </pub-date>
      <volume>69</volume>
      <issue>1</issue>
      <fpage>82</fpage>
      <lpage>87</lpage>
      <history>
        <date date-type="received" iso-8601-date="1974-07-16">
          <day>16</day>
          <month>07</month>
          <year>1974</year>
        </date>
        <date date-type="accepted" iso-8601-date="1974-09-22">
          <day>22</day>
          <month>09</month>
          <year>1974</year>
        </date>
        <date date-type="rev-recd" iso-8601-date="1975-01-01">
          <day>01</day>
          <month>01</month>
          <year>1975</year>
        </date>
      </history>
      <permissions>
        <copyright-statement xml:lang="ru">© 1975 В. В. Денегин, Н. Н. Денегина</copyright-statement>
        <copyright-statement xml:lang="en">© 1975 V. V. Denegin, N. N. Denegina</copyright-statement>
        <copyright-year>1975</copyright-year>
        <copyright-holder xml:lang="ru">В. В. Денегин, Н. Н. Денегина</copyright-holder>
        <copyright-holder xml:lang="en">V. V. Denegin, N. N. Denegina</copyright-holder>
        <license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by/4.0" xml:lang="ru">
          <license-p>Эта статья доступна по лицензии Creative Commons Attribution 4.0 International (CC BY 4.0)</license-p>
        </license>
        <license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by/4.0" xml:lang="en">
          <license-p>This article is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0)</license-p>
        </license>
      </permissions>
      <self-uri xlink:type="simple" xlink:href="https://pmi.spmi.ru/pmi/article/view/11351">https://pmi.spmi.ru/pmi/article/view/11351</self-uri>
      <abstract xml:lang="ru">
        <p>Одной из характерных особенностей потока в камере механической флотационной машины является его неоднородность. Через любую точку камеры проходят воздушные пузырьки различной крупности, способные увеличивать размеры по мере всплытия и коалесценции. Особенно силь­ная неоднородность наблюдается в нижних слоях камеры, где преобла­дает турбулентный характер движения. ...</p>
      </abstract>
      <abstract xml:lang="en">
        <p>One of the characteristic features of the flow in the chamber of a mechanical flotation machine is its inhomogeneity. Air bubbles of varying size pass through any point in the chamber, capable of increasing in size as they float and coalesce. The inhomogeneity is particularly strong in the lower layers of the chamber, where the turbulent nature of the motion prevails. ...</p>
      </abstract>
    </article-meta>
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