State system for ensuring the uniformity of measurements. State special standard and all-union verification schedule for means of measuring the angular velocity in the range of 5x10 in minus 8 degree up to 2,5x10 in minus 4 degree rad/s
Copper and complex ores, and products of their processing. Atomic emission spectrometry with inductively coupled plasma method for weight fraction measurement of copper, zinc, lead, bismuth, cadmium, arsenic, antimony
