In the Olympics,athletes~1who won gold medals used to be highly valued~2in China.But this year the situation is a little different becausesome of our most—love
A series of non-rare earth Mn4+-activated strontium aluminate phosphors Sr4Al14O25:Mn4+co-doped with Sc3+ions were successfully synthesized by a high-temperatur
Tb coating on the surface of commercial sintered Nd-Fe-B magnet was prepared by DC magnetron sputtering.The secondary heat treatment was used to regulate the mi
A CoCe/ZSM-5 catalyst was prepared by ultrasonic-assisted impregnation for the catalytic combustion of toluene.To study the effect of Na+on catalytic performanc
The bastnaesite used in hydrometallurgy usually contains 7%-11%fluorine,and the conversion of fluo-rine into high-value products is the key to achieving green pro