State system for ensuring the uniformity of measurements. State verification scheme for measuring instruments of the water solutions ion content by electrochemical methods (pX measuring instruments)
Ionizing radiation scintillation detectors. Methods for measurement of non-linearity and instability of installation for determination of scintillation detector parameters
Gas-fired air heaters with forced convection for firing (heating) rooms not exceeding a net heat input of 100 kW. General technical requirements and test methods
