Interstate system for ensuring the uniformity of measurements. Weight amounts of the standard materials for preparation of the buffer solutions - operational pH standards of 2-nd and 3-rd classes. The technical and the metrological characteristics. Methods of them
State system for ensuring the uniformity of measurement. State special standard and all-union verification schedule for means measuring radiation field parameters of antenna systems with operating dimensions of apertures from 0,1 to 0,4 m at the frequency range from 2,5 to 12 GHz
