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
Unidirectional Tungsten filament (Wf) reinforced pure Al,Al-6Ti-6Nb and SiCp-Al-6Ti-6Nb matrix composites were prepared by hot-pressing in vacuum atmosphere,the