权威例句
BerkeliumBerkeliumBerkelium redox speciationCHEMICAL PROPERTIES OF BERKELIUMIsolation of berkelium by solvent extraction of the tetravalent species ☆Delocalisation of 5f electrons in berkelium and californium metals under pressurePreparation and crystal structures of dicesium berkelium hexachloride and dicesium sodium berkelium hexachlorideCoulomb term U and 5 f electron excitation energies for the metals actinium to berkeliumThe extraction chromatography of americium, curium, berkelium and californium with di(2-ethylhexyl)orthophosphoric acid ☆Microchemical preparation of tricyclopentadienyl compounds of berkelium, californium, and some lanthanide elements