Zobrazeno 1 - 2
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pro vyhledávání: '"А. М. Еnyakov"'
Publikováno v:
Measurement Techniques. 63:151-157
The results of works on the improvement of the State Primary Standard of an ultrasound power unit in water GET 169-2005 are presented in this paper. As a result of the inclusion of two new reference ultrasound power meters in the standard, the freque
Publikováno v:
Izmeritel`naya Tekhnika. :56-61