The microstructures and electrode properties of Cr or Co-doped V_(2.1) TiNi_(0.5) Hf_(0.05)M_ 0.113 (M=Cr, Co) hydrogen storage alloys were investigated. It is
As demonstrated by former work,the holed casing treatment can be used to expand the stall margin of a centrifugal compressor with unshrouded impeller.In additio
The advantages of multivalued logic in optical parallel computation need no introduction. There are lots of proposals, already reported, where tristate, quarter