title: Photon mass attenuation and mass energy-absorption coefficients for H, C, N, O, Ar, and seven mixtures from 0.1 keV to 20 MeV.
mesh_terms: D000388:Air; D001128:Argon; D002244:Carbon; D004601:Elementary Particles; D006859:Hydrogen; D008768:Methylmethacrylates; D009584:Nitrogen; D010100:Oxygen; D011095:Polyethylenes; D011137:Polystyrenes; D012116:Resins, Plant; D014867:Water; D014894:Weights and Measures
chemical_list: D008768:Methylmethacrylates; D011095:Polyethylenes; D011137:Polystyrenes; D012116:Resins, Plant; D014867:Water; D001128:Argon; D002244:Carbon; D006859:Hydrogen; D009584:Nitrogen; D010100:Oxygen