???? ??????????? ???????? ? ???????? ?? ????? ?? ???? ??????? ??????? ??????? ?? ??? ?????? ????? ?? ????? ? ???? ????? ?? 2006 ? ???? ????? ?????? ?????? ???? ????????? ????? ?????? ??? ????? ??????? ???????? ????? ??????? .
??? ?????? ???? ??? ??????? ? ?????? ?? ?????? ?? ???????? ?????? ? ?????? Tongyuan ???????? ??????? ???????? ????? ?? ???? ??? .
1 ? ???? ?????? ????? ????
( 1 ) ???? ????? ?? ???????? ?????? ? ?????? ???? ??????? ??? ????? ????? : ????? ??? ( ????? ???????? ?????? ???? ?? 350 ???? / ??? ) ? ?????? ??????? ( ????? ???????? ?????? 250 ???? / ??? ) ? ??????? ????? ?????? ( ????? ???????? ?????? ????? 60 ???? / ??? ) .
( 2 ) ?????? ?????? ???????? ??? ?????? ?? ????????????
( 3 ) ???? ?????? ?????? ???? ????? ??? ??????? fluorosilicate
( 4 ) ?????? ?????? ???? ????? ??? ??????? ??????????? ??????????? ???????????? ??????? ????????
( 5 ) ?????? ??????
( 6 ) ???? ????? ???????
2 ? ??? ??? ???????
( 1 ) ???? ????
( 2 ) ???? ???
( 3 ) ???? ????
( 4 ) ???? ????
3 - ??????? ??? ?????
( 1 ) ???? ????? ?????
( 2 ) ?????? ???????? ?????? ( ??????? ???? ???? ?????? ????? )
( 3 ) ???????? ?????? ?????? ( ??????? ???? ???? ???????? ?????? ?????? )
( 4 ) ???? ????
????? Tongyuan ???????? ??????? ???????? ? ???????? ?? ?????? ????????? ??? ???????? ?????? ????? ? ????? ? ????????? ? ??? ?????? ?????? ?????? ????? ??????? ???????? ? ????????? ?? ????? ????????? ??????? ??????? ???? ????????? ???????? ??????????? ?? ???? ????? ???????? ??????? ? ??????? ????????? ? ???? ???? ?? ??????? ? ??? ??? ????? ? ??? ??????? ???????? .