The phosphors of the alkaline earth aluminates coactivated with europium and other rare earths were successfully obtained by microwave radiation heating techniq
The grain boundary structure of Cu alloy was observed and the characteristic of the boundaries was studied,including 70∶30 cupronickel and 7 0∶30 brass. The r
The paraffin wax was used as a diluent for 1-nitroso-2-naphthol(HA) and trioctylphosphine oxide(TOPO) in the extraction of lanthanides at 70℃. The composition