????????????? ????? ????? ?????
?? ???????? ????? ????? ????????? ????????????? ?????? ?????? ???? ??????????? ?????? ???????? ?????? ????, ?????? ?????? 6063 ?? 5 ???????? ??????????? ???????, ?????? ??????? 98% ?????? ????? ?????? ????, ?????? ?????? ????? ???????? ?????? ?????, ???? ????, ?????? ????? ???, ??????? ?????? ??????????? ???????? ????????.
????? ??? ????? ????? ??? ????????? ????? ?????????? ????? ??????????????, ??????????? ????? ????? ??????? ??????? ???? ????, temperature???????????? ????? ??? ??????? ???????? ??? ??? ???????? ?????? ????? ???? ???? ????, ??? ???? ?????????? ????? ???????? ??? ?????? ???? ???????? ????? ?????? ???? ???? ????. ?? ?????, ?????, ????? , ?????????, ???????, ???????? ????? ?????? ??? ????.
"??? ??????" ??? ???? ?????????? ?????????? ?????? ?????:
"??? ??????" ??????? ??? ??????, ???????????? ??? ??????, ?????????? ??????? ??????.
??? ??????:
???? ?? ??????????? ???????? ???? ???????? ????? ??? ???, ?????? ???? ??? ???????? ?????? 426 kept ????? ??????.
??????????? ??? ??????:
And?? ?? 4040? ?????? ???????? ???????? ?????? ????????????? ????????????????? ??????? ??????? ???? ?????? ???. 63?6363 ??????? ???????????? 0 47? ?? °?? ?????? ???????? ?????? ??? ???? ?????? ???. ????????????? ??? ????? ??????????? ???? ?????? ??????? ????, ???????? ????? ??????????? ???????? ?????? ?????. ?????? ?????? ?????????? ????????? ???? ??????.
????? ??????????? ???????? ???????
???????? ????????? ?????? 500 ℃ ?? 570 between ??????? ???.