机译:Element distributions in the crab nebula
Department of Physics and Astronomy, Trinity University, San Antonio, TX 78212, United States;
Carnegie Institution for Science, Observatories, Pasadena, CA 91101, United States;
ISM: individual objects (Crab Nebula); ISM: supernova remnants; nuclear reactions; nucleosynthesis; abundances; supernovae: individual (SN 1054);