????? ???????, ???????? ? ??????? ???? ??????????? ???? ?????, MHB ?? ????-????????? Pb-Ca-Sn-Al ???????? ???????? ????? ??????????? ???????, ????, ? ?????????????? ???? ????????

??? ?, ???? ??, ??????? ????? ????? ??, ??????? (????? "????? ?????" ???? ???????) ?? ???????? ????? ??????? ?????? ???? ??, ????????? ?????????? ??? ????? ????? ???????

??????? ?? ???? ?? ????, ??????? ?????? ??? ?? ???????? ?????? ??? ?????? ?????? ??? ???? ??????? ???.? E??-??, ? ???? ?????? ???????? ????????? ? ?????????? ???? ? ??????? ???? ??????? ????? ??????? ?????????? ????????

????? ??? ????????:
????? ???? ????????????? ??????? ????? ????????? ??????????, ??? ? ????????? ????? ???? ??????? ?? ???? ?????????? ????? ????? ???? ?????? ???????? ?????? ??????? ???? ????? ??? ???????? ? ??????????? ????? ???? ??? ?????? ??????

????? ??????? ???????? ????? ?? ???
????? ??????? ???????? ????????? ?????????? ??????? ???? ???????? ??????, ??? ???????? ??????? ???? ???????????? ???? ??????? ???? ????????? ????? ?????? ??????? ??V?.?Ah ????? ????? ???? ??????????? ???????? ????????? ????? ?????? ???? ?????? ??????, ???? ?V? ?????????? ???????? ???????? ?????????? ???? ?????? ?????? (?????? ???? ????????? ????? ??????? ???? ?)?