State system for ensuring the uniformity of measurements. Radiometers of the extreme ultraviolet radiation for measurements of radiance with the high spatial distribution in the wavelength range 10-30 nm. Verification procedure
State system for ensuring the uniformity of measurements. Measurements of liquids and gases flow rate and quantity by means of orifice instruments. Part 4. Venturi tubes. Technical requirements
State system for ensuring the uniformity of measurements. State special standard and state verification schedule for means measuring intensities ratio distributions and phase shift angle in aperture field of antenna systems with operating dimensions from 3x3 to 6x12 m2 at the frequency range from 2,5 to 4,0 and from 8,2 to 12,0 GHz
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