Medical electrical equipment. Part 2-1. Particular requirements for the basic safety and essential performance of electron accelerators in the range 1 to 50 MeV
State system for ensuring the uniformity of measurements. Standard reference data. Xenon, liquid and gaseous. Density, enthalpy, entropy, isochoric and isobaric heat capacities and speed of sound at temperatures from 162 K to 750 K and pressures up to 100 MPa
