Microbiology of food and animal feed. Preparation of test samples, initial suspension and decimal dilutions for microbiological examination. Part 6. Specific rules for the preparation of samples taken at the primary production stage
State system for ensuring the uniformity of measurements. State special standard and all-union verification schedule for means measuring instruments of variable temperature of water medium in the range of pulsation amplitudes of temperatures within 0,01 - 3 K at the pulsation frequencies from 0,005 to 50 Hz, at background temperature from 270,15 to 380,15 K and at water flow velocity from 0,5 to 20 m/s
Electromagnetic compatibility of technical equipment. Power electrotechnical equipment. Methods of measurement for low frequency periodical magnetic field parameters
