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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">izmertech</journal-id><journal-title-group><journal-title xml:lang="ru">Измерительная техника</journal-title><trans-title-group xml:lang="en"><trans-title>Izmeritel`naya Tekhnika</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0368-1025</issn><issn pub-type="epub">2949-5237</issn><publisher><publisher-name>ФГУП "ВНИИФТРИ"</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">izmertech-897</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>К 75-ЛЕТИЮ ЖУРНАЛА</subject></subj-group></article-categories><title-group><article-title>Вариации гравитационной постоянной в обобщенных теориях гравитации</article-title><trans-title-group xml:lang="en"><trans-title></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>Бронников</surname><given-names>К. А.</given-names></name></name-alternatives><email xlink:type="simple">kb20@yandex.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>Кононогов</surname><given-names>С. А.</given-names></name></name-alternatives><email xlink:type="simple">kb20@yandex.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>Мельников</surname><given-names>В. Н.</given-names></name></name-alternatives><email xlink:type="simple">kb20@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>Всероссийский научно-исследовательский институт метрологической службы</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2014</year></pub-date><pub-date pub-type="epub"><day>07</day><month>02</month><year>2023</year></pub-date><volume>0</volume><issue>11</issue><fpage>22</fpage><lpage>26</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; ФГУП "ВНИИФТРИ", 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">ФГУП "ВНИИФТРИ"</copyright-holder><copyright-holder xml:lang="en">ФГУП "ВНИИФТРИ"</copyright-holder><license xlink:href="https://www.izmt.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://www.izmt.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://www.izmt.ru/jour/article/view/897">https://www.izmt.ru/jour/article/view/897</self-uri><abstract><p>Указан класс многомерных теорий, в которых пространственные и временные вариации гравитационной постоянной и постоянной тонкой структуры имеют общую причину и совпадают по значению. Несмотря на отсутствие проверенных наблюдательных данных о вариациях гравитационной постоянной, связанных как с проблемами построения теорий объединения физических взаимодействий, так и с известным «парадоксом слабого молодого Солнца», приведены аргументы в пользу их существования. Сделан вывод о вероятной нелинейной зависимости гравитационной постоянной от космологического времени.</p></abstract><trans-abstract xml:lang="en"><p>A class of multidimensional theories of gravity where spatial and temporal variations of the gravitational constant G and the fine structure constant α have a common cause and coincide in value is pointed out. Despite the absence of confident observational data on G variations. arguments in favor of their existence, connected with both the problem of unification of physical interactions and with the well-known «faint young Sun» paradox, are presented. The conclusion on possible nonlinear dependence of G from the cosmological time is drawn.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>фундаментальные физические константы</kwd><kwd>гравитационная постоянная</kwd><kwd>многомерная гравитация</kwd><kwd>космический микроволновой фон</kwd><kwd>барионные акустические осцилляции</kwd><kwd>fundamental physical constants</kwd><kwd>gravitational constant</kwd><kwd>multidimensional gravity</kwd><kwd>cosmic microwave background (CMB)</kwd><kwd>baryon acoustic oscillation (BAO)</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">Melnikov V. N. Gravity and cosmology as key problems of the millennium // AIP Conf. Proc. Eds. J.-M. Alimi, A. Fuzfa. 2006. N. 861. P. 109-126.</mixed-citation><mixed-citation xml:lang="en">Melnikov V. N. Gravity and cosmology as key problems of the millennium // AIP Conf. Proc. Eds. J.-M. Alimi, A. 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