???? ?????? ??????? Paratungstate

???? ??????? ???????? ???????? ???, APT ???? ???? ??? ???? ???? ???????? ?????? ?? ???? ??????? ??? ??????? ??????. ?????, ???? ???? ???? APT ?? flowability ???, ???? ??????? ?????? ?? ??? ???? calcit APT ???? ?????? ????, ???? ??????? ???? ????? ???? ?????? ????, ????? ??? ??? ???, ?????? ?????? ?? ????? ????? ??? ????? ???????. ??? ???? ????? ????? ????? ??? ???, ????? ?? ??? ??????? ?? ????? ????? ??? 90%, ????? ?????? ?? ??? ??????? ?? ?????? ?? APT polycrystalline ?????? ??? ??? ?? 70%. ?????, ???? ???? APT ???? ????? ??? ???? ???? ????? ?????? ????? ??????? ???????.




