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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-11436</article-id>
      <article-id pub-id-type="uri">https://pmi.spmi.ru/pmi/article/view/11436</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">Energy intensity of rock
breaking</article-title>
        <trans-title-group xml:lang="ru">
          <trans-title>Энергоемкость разрушения горных пород</trans-title>
        </trans-title-group>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author" corresp="yes">
          <name name-style="eastern">
            <surname>Padukov</surname>
            <given-names>V. A.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Падуков</surname>
              <given-names>В. А.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Padukov</surname>
              <given-names>V. A.</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">Ленинградский горный институт (Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Leningrad Mining Institute (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>67</volume>
      <issue>1</issue>
      <fpage>50</fpage>
      <lpage>57</lpage>
      <history>
        <date date-type="received" iso-8601-date="1974-07-21">
          <day>21</day>
          <month>07</month>
          <year>1974</year>
        </date>
        <date date-type="accepted" iso-8601-date="1974-09-05">
          <day>05</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. А. Падуков</copyright-statement>
        <copyright-statement xml:lang="en">© 1975 V. A. Padukov</copyright-statement>
        <copyright-year>1975</copyright-year>
        <copyright-holder xml:lang="ru">В. А. Падуков</copyright-holder>
        <copyright-holder xml:lang="en">V. A. Padukov</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/11436">https://pmi.spmi.ru/pmi/article/view/11436</self-uri>
      <abstract xml:lang="ru">
        <p>Разрушение (дробление) скальных горных пород - процесс образования новых поверхностей, формирование кусков, каждый из которых, согласно принципу Кюри, обладает двумя видами энергии - энергией объема и энергией поверхности. ...</p>
      </abstract>
      <abstract xml:lang="en">
        <p>Destruction (crushing) of hard rocks is the process of formation of new surfaces, and the formation of pieces, each of which, according to the Curie principle, possesses two types of energy – volume energy and surface energy. …</p>
      </abstract>
    </article-meta>
  </front>
  <body/>
  <back>
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</article>
