State system for ensuring the uniformity of measurements. State primary standard and all-union verification schedule for means measuring radiation field parameters of antenna systems with operating dimension of apertures from 0,75 to 1,5 m at the frequency range from 2,5 to 42 GHz
Drinking water. Methods for determining the total number of microorganisms, coliform bacteria, Escherichia coli, Pseudomonas aeruginosa and Enterococcus
