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???? ??????? ????? ?????? ??????? ???????? ?? ???? ????? ?? ????? ?? ???????? ?????? ????? ?????? (HPMC)? ??? ???? ????? ????? ??????????? ??????? ??? ???? ???? ?? ????? ????????. ????? ?? HPMC ????? ??? ?? ???????? ???????? ??? ???? ???? ????? ?? ?????? ???????. ????? ??? ?????? ?????? ??????? ???????? ?????????? ??????? ?????? ??? ????? ???? ?????? ?????? ???????? ??? ????? ??????? ??????????? ?? ???????? ???????? ????????? ??????? ???????? ???????. ????? ????? ?? HPMC ??????? ???? ????? ?????????? ??? ???? ?????????? ????? ??????? ?????. ??? ???? ????? ???? ?????? ??????? ??? ????? ?????? ??????? ?? ??????? ??????? ????. ???? ???????? ??????? ????????? ?? ???? ?? ???????? ?????? ????? ?????? ????? ??? ???????? ??????? ???????? ?? ???????? ????????? ??????? ???????. ???? ???? ??????? ????? ?????? ??????? ???????? ?????? ??? ???? ?? HPMC ?????? ?????? ?????? ????? ??????? ?????? ?????? ????????.