51. Physics of gases ( 0 Dok.)

• 51.10.+y Kinetic and transport theory of gases ( 0 Dok. )

• 51.20.+d Viscosity, diffusion, and thermal conductivity ( 0 Dok. )

• 51.30.+i Thermodynamic properties, equations of state ( 0 Dok. )

• 51.35.+a Mechanical properties; compressibility ( 0 Dok. )

• 51.40.+p Acoustical properties (see also 43.28 aeroacoustics and atmospheric sound) ( 0 Dok. )

• 51.50.+v Electrical properties (ionization, breakdown, electron and ion mobility, etc.) (see also 52.80 electric discharges) ( 0 Dok. )

• 51.60.+a Magnetic properties ( 0 Dok. )

• 51.70.+f Optical and dielectric properties Sorption, see 82.65.M, and 68.45.D Gas surface interactions, see 82.65.P Gas sensors and detectors, see 07.07.D ( 0 Dok. )

• 51.90.+r Other topics in the physics of gases (restricted to new topics in section 51) ( 0 Dok. )