State system for ensuring the uniformity of measurements. Standard reference data. Carbon monoxide, liquid and gaseous. Density, enthalpy, entropy, isochoric and isobaric heat capacities at temperatures from 70 K up to 500 K and pressures up to 100 Mpa
State system for ensuring the uniformity of measurements. Frequency and/or time standards. Methods for assessing basic metrological characteristics using signals transmitted by global navigation satellite
