State system for ensuring the uniformity of measurements. State special standard and all-union verification schedule for means measuring volumetric flow of petroleum products within the range of 2,8x10in minus 6 degree up to 2,8x10 in minus 2 degree m3/sec
Gallium. Atomic-emission method for the determination of aluminium, iron, bismuth, silicon, magnesium, manganese, copper, nickel, tin, lead, chromium and zinc
