?????? ??????? ??????? ???????????
?????? ??????? ??????? paratungstate (APT) ??? ???? ??? ???? ?????? ??????? ??????? (WO 3 ), ??? ????? ?? ???? (Na) ???? ????? ???????? ?? ???? ???????. APT ?? ???? ???? ????? ????? ???? ???? ????? ?? ???? WO 3 ???? ???? ???? upstream ?????? ???? ??????? ??; ????, ????? ????? ?? APT ???? ??? ??? ????? ??????? ???? ??????? ????.
???? ??????? ?? ????? ??? ???? ???? ?? ???? ???? ???? ??, ??? ???? ???? ????? ?? ?? ??????? ????? ?? ?????? ????, ????? ????? ??????? ?????, ????? ???? ?????, ???? ??? ???? ?????? ????? ?? ??? ?????, ????? ????, ????? ???, ??? ??? ?????? ect .. ?????? ?????? ?????? ?? ???? ????? ???? ????? ???? ????? ? APT ?? ??????? ???????, ???? ???? ??????? ?? ??????? ???? ????? ???? ????? , ????? ??? ????? ???? ?? WC ???? ???? ????? ??? ???????? ?????, ?????? ???? ???? ???? ?? ????? ???? ????? ??????? ?? ????? ????, ?????? ? sintering.
????, ????? ?????? ?????? ?? ?????? ??????? paratungstate ??????? ??? ???? ????? ????, ??? ????? ???? ?????? ?? ??? ???? ???? APT ?? ????? ???????? ????? ??? ???? ????? ???? ?? ???? ?????. ?????, ????? ????? ?? ???? ???? ?????? paratungstate ??????? ????? ?? ???? ????, ?????? ?? ??? ?????:
1. ????? ??????? ?????? ?? ????? ????? ????? ??? ???? ?? ?????? ?????, ???? ??????? ?????? ??? ??? ????? ????? ??????? ???????;
2. ????? ???? ?????? ?? ??? ???? ?? ?? ?????? ?? ????? ??? ???? ??????? ????? ??? ????? ???? ??????? ??????? ??????? ?????:
3. ????? ??????? ????? ?? ?????? ????? ?? ???????, ????? ????? ?????? ?????? 20 ~ 50 ????? ??????, ????? ?????? ???? ?????? ????? ???? APT, ????? ??? ????? ???? ??? ???? ????? ???? ???? paratungstate ??????? ?????.
?????? ??????:
