????? ??? ??? ????? ????? ???????? ??????????? ?????? ???????? ?? ???????? ?? ????? ????????? ???? ????. ?? ?????? ????? ?????? ?????? ????? 45? ????? ????? ????? ???????? ??????. ???? ???????? ?? ????? ?? ?????? ?? ???????? ?????? ??????? ???????? ?? ??????? ????? ??????. ??? ???????? ?? ???? ??????? ?? ??????? ???????????.

????????? metatungstate ?????? ?? ??? ???? ?? ???? ?? ????? ????. ????? ??? ????? ?????? ??? ??????????????? ???? ??? ??? ???? ??????? ????? ??????????? ????? ?? ?????. ?????? ??? ???? ???? ????????? ?? ???????? ????????????? ???? ?????? ???????? ????????? ????? ?antiflaming? ??? ??? ??? ???? ???? ?????? ??????? ???????? ?????? ?????? ??????? ???? ??? ???.

??????? ??????????? ????????? ??????? ????? ?????? ?????? ??????? ????????? ???????? ????????? ?? metatungstate ????????? ?????? ??????? ??????? ??? ???? ?????? ??????? ???????? ????? ??????? ??????? ?????? ????? ?????.

???? ?????? ?? ????? ????????? ??? metatungstate? ???? ????? ????????? ???????? ???? ???????? ??????? ?? AL2O3? ?? ?? AL2O3? ??-W-AL2O3? ??? ????????? metatungstate ???? ???? ????? ?? ?????? ?????. ???? ????? ?? ????? ????? ??????? ??????? hydratability ????? ????????. ????? ?? ???? ???? ??????? ?? ????? ?? ?? ????. ???? metatungstate ????????? ?????? ?? ?????????? ???????? ??????? ??????? ?? ??????? ??????? ?? ????? ???? ?????????? ??????? ????.