???? ????

????? ???

??? ?????
???? ??? ??????? ??? ???? ??? ??
??????: ??? ???? ???: ??? ??? ?? ?????
????: 15-100 ?? ????: ???? ?????
???? ???????? 0.033-0.044 ????? ???????/????/????
???? ??: ???? ???? ????? ??? ???: ????? ????? ??? ?? ????? ?????

???? ?????

???? ????? ??? ???? ??? ???? ?????? ???? ??? ???? ???? ????? ???? ???? ???? ??? ????? ???? ????? ???? ???? ?????? ???? ??? ??? ???? SI ?????? ??? ???? ?????? ????? ????? ??? ?????? ???? ??? ???? ??? ??? ???? ??????? ????? ????? ????? ?????? ???? ???? ???-?? ??? ??? ???? ??? ????? ??? ??? ??? ??? ???? ??? ?? ?????? ??????? ??? ???? ?5-150 ?? ???? ??? ????? ???? ???? ??? 1080 oC ???? ????? ???? ????? ??? ?5 ??? ??? ??? ?? ???? ??? ??? ?25% ??? 40% ???

1. ????? ??? ?? ???? ????- ???? ????? ??? ????? ?????? ???????? ???? ??? ????? ????????? ???? ??? ?????? ??? ????? ??? ??? ????? ??????? ??? ??? ???? ????? ????? ?? ?????? ????? ????? ?????
2. ???? ?????- ???? ??? ???? ???? ?????? ????? ???? ??? ???? ???? ??????? ?????? ????? ??????? ??? ????? ?????? ??? ???? ???? ????? ????? (??? ??? ??? ???? ??? ????? ????? ???? ???) ???????? ????? ????? ??? ?? ???? ???? ??????

?????? ?????

????? ???? ?? ?????? ?.??.??.?. ????? ?? ????? ???? ???

???? ???? ????? ????? ???? ?? ???? ????? ??????? ?

???? ???? ???? ????? ???? ???? ???? ????? ???? ??

???? ????? ??????? ???? ???? ???? ???? ???????? ??????

?????? ?????? ?????? ?? ??? ????? ?????? ????? ?????

????? ??? ?? ??? ?? ??? ????? ??? ????? ???? ?? ??? ??????

?????? ?? ???? ?????? ???? ?????? ????? ??????

???? ?? ??? ???? ??? ??????? ?? ????? ?????