State system for ensuring the uniformity of measurements. National standard. Standard reference data. Pyezokeramik on the LiaKbNacNbdTamSbnO3+z[Bi2O3–Fe2O3]. Dielectric and piezoelectric properties at a temperature of 25 °C
Evaluation of experience and business reputation of enterprises. The national system of standards. Evaluation of experience and business reputation of entities, conducting architectural design