Niobium pentoxide. Atomic-emission method for determination of titanium , silicon, iron, nickel, aluminium, magnesium, manganese, cobalt, chromium, lead and zirconium
State system for ensuring the uniformity of measurements. State special standard and state verification schedule for means of measuring the velocity of water flow in the range of 0.005-25 m/s
Occupational safety standards system. Materials for personal protection equipments with rubber-or plastics-coated fabrics. Methods for determination of resistance to damage by flexing
