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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 pub-id-type="doi">10.32446/0368-1025it.2020-3-3-8</article-id><article-id custom-type="elpub" pub-id-type="custom">izmertech-1742</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>ГОСУДАРСТВЕННЫЕ ЭТАЛОНЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>STATE STANDARDS</subject></subj-group></article-categories><title-group><article-title>Государственный первичный эталон единицы мощности ультразвука в воде ГЭТ 169-2019</article-title><trans-title-group xml:lang="en"><trans-title>State primary measurement standard of ultrasound power unit in water GET 169-2019</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>Еняков</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Еnyakov</surname><given-names>A. М.</given-names></name></name-alternatives><bio xml:lang="ru"><p>г. п. Менделеево, Московская обл.</p></bio><bio xml:lang="en"><p>Аlexander М. Еnyakov</p><p>Mendeleevo, Moscow Region</p></bio><email xlink:type="simple">enyakov@vniiftri.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>Кузнецов</surname><given-names>С. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuznetsov</surname><given-names>S. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>г. п. Менделеево, Московская обл.</p></bio><bio xml:lang="en"><p>Sergey I. Kuznetsov</p><p>Mendeleevo, Moscow Region</p></bio><email xlink:type="simple">sergantex@vniiftri.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>Лукин</surname><given-names>Г. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Lukin</surname><given-names>G. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>г. п. Менделеево, Московская обл.</p></bio><bio xml:lang="en"><p>Georgiy S. Lukin</p><p>Mendeleevo, Moscow Region</p></bio><email xlink:type="simple">lukin@vniiftri.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Всероссийский научно-исследовательский институт физико-технических и радиотехнических измерений</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian metrological institute of technical physics and radio engineering (VNIIFTRI)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>19</day><month>06</month><year>2023</year></pub-date><volume>0</volume><issue>3</issue><fpage>3</fpage><lpage>8</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/1742">https://www.izmt.ru/jour/article/view/1742</self-uri><abstract><p>Приведены результаты работ по совершенствованию Государственного первичного эталона единицы мощности ультразвука в воде ГЭТ 169-2005. В результате включения в состав эталона двух новых эталонных измерителей мощности ультразвука расширен частотный и динамический диапазоны воспроизведения и передачи единицы мощности нижестоящим средствам измерений. Для измерения радиационного воздействия ультразвуковой волны и поглощённой ультразвуковой энергии в эталонных измерителях мощности ультразвука использованы поглощающие мишени. Это имеет большое значение для метрологического обеспечения современного высокотехнологичного медицинского ультразвукового оборудования, использующего, в том числе, сфокусированные ультразвуковые пучки высокой интенсивности для лечения онкологических заболеваний. Применённая в Государственном первичном эталоне единицы мощности ультразвука в воде ГЭТ 169-2019 автоматизация процесса измерений существенно снизила трудоёмкость поверочных работ и повысила точность измерений.</p></abstract><trans-abstract xml:lang="en"><p>Results of works on improvement of the state primary special measurement standard of ultrasound power unit in water GET 169-2005 are given. As a result of the inclusion of two new reference ultrasound power meters in the standard, the frequency and dynamic ranges of reproduction and transmission of the power unit to lower-level measuring instruments were expanded using absorbing targets for measuring the radiation effect of the ultrasonic wave and the absorbed ultrasonic energy. That is very important for metrological support of modern high-tech medical ultrasound equipment, including focused high-intensity ultrasound beams for the treatment of cancer. The automation of the measurement process used in the updated standard has reduced significantly the complexity of verification procedures increasing the accuracy of measurements.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>гидрофон</kwd><kwd>мощность ультразвука</kwd><kwd>неисключённая систематическая погрешность</kwd><kwd>неопределённость измерений</kwd><kwd>отражающая мишень</kwd><kwd>плавучесть</kwd><kwd>поглощающая мишень</kwd><kwd>радиационная сила</kwd><kwd>среднеквадратическое отклонение</kwd><kwd>ультразвуковой пучок.</kwd></kwd-group><kwd-group xml:lang="en"><kwd>hydrophone</kwd><kwd>ultrasound power</kwd><kwd>non-exceptional systematic measurement error</kwd><kwd>measurement uncertainty</kwd><kwd>reflecting target</kwd><kwd>buoyancy</kwd><kwd>absorbing target</kwd><kwd>radiation force</kwd><kwd>standard deviation</kwd><kwd>ultrasound beam.</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">Еняков А. 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