??? ??????? ????? ???? ???? ??? ?? ????? ??, ?????? ??? ?????? ?????? ????? ????, ?? ??????? ???? ??????? ????, ??????? ????? ????, ?????? ????? ???? ?? ???-SI ?????????? ???? ??, ?? ??????? ????? ??????? ?? ?????? ????? ?? ????????? ?????????????? ?? ???, ?????? ????? ???????? ?????? ?????? ????? ????, ????-???? ???? ?? ?? ??????? ???? ??????? ???? ??, ?? ???, ????, ???? ?? ????? ?????????? ??. ???? 5-150mm ?? ???, ?? ??????????? ?? ?????, ??????? ?????????? 1080 oC ???? ??? ??? ?????. ???????? ??? ???? ??????? 5 ?? ??? ?????. ??????? ??????????? ??????? 25% ??? 40% ????? ??.