State system for ensuring the uniformity of measurements. State verification schedule for means measuring the airborne sound pressure in the frequency range 2 Hr -100 kHr
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State system for ensuring the uniformity of measurements. State verification scheme for measuring and reproduction instruments of sound pressure in water within frequency range from 1·10 -3 to 1·10 6 Hz
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State system for ensuring the uniformity of measurements. State verification schedule for means of measuring the ultrasound power in water within the frequency range from 0,5 to 12 MHz
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State system for ensuring the uniformity of measurements. State verification schedule for means measuring the airborne sound pressure in frequency range from 2 Hz to 100 kHz
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Methodical instructions. State system for ensuring uniformity of measurements. State verification scheme for measuring instruments of double conversion coefficient and acoustic radiation pattern width of ultrasonic immersion direct combined piezoelectric transducers in the range of 0.6 - 5.0 MHz
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Recommendation. State system for ensuring uniformity of measurements. State verification scheme for measuring instruments. Amplitudes of ultrasonic displacement, vibrational velocity of particles of a solid surface and electro-acoustic conversion coefficients in the frequency range 0.001 - 50 MHz
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Recommendation. State system for ensuring uniformity of measurements. State verification scheme for measuring the phase angle between two electrical voltages in coaxial paths in the frequency range 0.001 - 17.4 GHz
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Recommendation. State system for ensuring uniformity of measurements. State verification scheme for measuring attenuation coefficient of longitudinal ultrasonic vibrations in solid media
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On approval of the State primary standard of the unit of spectral power density of noise radio emission in the frequency range from 0.002 to 178.3 GHz
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