National primary standard for the unit of the propagation velocity of ultrasonic waves in solids

P. V. Bazylev,A. V. Izotov,A. I. Kondratiev,V. A. Lugovoi,V. P. Nigai,K. N. Okishev

National primary standard for the unit of the propagation velocity of ultrasonic waves in solids

2012

P. V. Bazylev
A. V. Izotov
A. I. Kondratiev
V. A. Lugovoi
V. P. Nigai
K. N. Okishev

The results of creating a national standard for the unit of the propagation velocity of ultrasonic waves in solids are discussed. The structure of the standard and its metrological characteristics are described.

Keywords:

Optics
Ultrasonic sensor
Primary standard
Mathematics
Acoustics
national standard
Metrology

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