State system for ensuring the uniformity of measurements. State verification schedule for instruments measuring the radiant flux, irradiance, spectral irradiance and exposure in spectral range from 0,0004 to 0,400 mcm
State system for ensuring the uniformity of measurements. Moist methane. Thermodynamic properties at temperatures from 200 K to 400 K, pressures from 0,1 to 10 MPa and relative moisture from 0,2 to 1,0