Electromagnetic compatibility of technical equipment. Radio communication equipment. Part 9. Specific requirements for wireless microphones, similar radio frequency audio link equipment, cordless audio and in-ear monitoring devices
State system for ensuring the uniformity of measurements. Standard reference data. Parahydrogen, liquid and gaseous. Density, enthalpy, entropy, isochoric, isobaric heat capacities and speed of sound at temperatures from 14 K up to 1000 K and pressures up to 100 MPa
