title: Neutron diffraction: a facility for data collection and processing at the National Bureau of Standards reactor.
mesh_terms: D006077:Government Agencies; D009502:Neutrons; D011506:Proteins / Q000032:analysis / Q000592:standards*; D012260:Ribonucleases / Q000032:analysis; D014481:United States; D014961:X-Ray Diffraction / Q000379:methods
chemical_list: D011506:Proteins; D012260:Ribonucleases