机译:Highly ionized sodium X-ray line emission from the solar corona and the abundance of sodium
UCL-Mullard Space Science Laboratory, Holmbury St Mary, Dorking, Surrey RH5 6NT, United Kingdom;
Astrophysics Research Centre, School of Mathematics and Physics, Queen's University Belfast, Belfast BT7 1NN, N. Ireland, United Kingdom;
Naval Research Laboratory, DC 20375-5320 Washington, United States;
Line: identification; Sun: abundances; Sun: corona; Sun: flares; Sun: X-rays; gamma rays;