We propose an alkaline barrier slurry containing guanidine hydrochloride(GH) and hydrogen peroxide.The slurry does not contain any corrosion inhibitors, such as
The active control of 30-m ring interferometric telescope (RIT) needs edge sensing and tip sensing whenits primary mirror is composed by trapezoid-shaped segme
A series of Sr3Y(PO4)3:Eu2+ samples are synthesized by the high temperature solid-state method. Sr3Y(PO4)3:Eu2+shows an asymmetrical emission band under excitat