???? ??????? ?? ???? ????? ???? ????????????? weihua (????? ???? ?????????) ?????? ????? ?????? ????? ???? ??????? ?????? ???? ????????? ?????????.
1. ????? ????
(????? ???? ??? ?????? ?????? ?????? ?????????)
(1) ???????:
?? ?? ???? ???????? ??????? ?????? ?? ???? ?? ???? ?????? ?? ????? ?????? ????? ??????? ????? ???? ?????? ??? ?????.
(2) ????:
????? ???? ???????? ?????? ????? ?????? ????? ??????? ???????????, ????????? ?????? ?????? ?????? ??????? ??????? ????? ????? ????? ??????.
(3) ?????:
?????????? ????? ????? ????? ?????? ?????? ????? ???? ??????? ????? ????? ????? ???? ????? ????? ???????.
2. ????:
???? ??? ?????? ?????? ????????. ?????, ?? ?? ????? ???? ????? ???????, ????? ?????, ????? ????? ????? ??? ???? ?? ???? ???? ???? ??????.
?????? 6063 ?????? ?????? ?????? ????? ????? ????? ??????? ????? ??????? ?????? ?????? ????. ????? ????? ???? ?? ?????? ?????? ?????? ???? ?????? ????? ????.
3. ????
(??? ??? ?????? ????? ?? ?????), ?????? ?????? ????????? ?????, ??????? ???? ??????? ???? ????, ?? ???? ??????? ????? ????? ??? ???? ???? ?????? ?? ?????? ???????? ?? ?????????, ?????? ???? ????? ????? ???? ???.
?????? ?????? ??? ??????:
(1) ????? ????? ???? ????:
???? ????? ?????? ?????? ?? ????????? ?????? ??? ???? ?? ??????? ??? ????? ?? ???? ?????, ??? ????? ??? ?????? ???????? ???? ??????. ???? ????? ?? ???? ????? ???? ?? ??.
(2) ????? ?????:
???? ????? ????? ???? ????, ?????? ?????????? ???????, ????? ????? ????? ?? ??? ????, ??????? ??? ???? ??? ????? AL2O3 ?????, ??????? ?????.
(3) ????? ?????:
????????? ?? ??? ??????? ???????? ?????? ???? ????? ????? ????? ??? ???? ?? ?????? ??? ?????, ??? ??????? ????? ?? ??? ???????. ??? ?????? ??? ??? ??? ?????, ?????? ?????? ???? ?? ??? ?????? ???? ??????, ?????? ????? ??? ????, ??? ??? ?????, ?????? ????? ????? ??????? ????? ???? (??? ???) ???? ????? ????, ????: ??? ????, ??????, ??? ????????.
??? ??????: ??? 20-2020