??????????????????? ????? ??????, ???? ???????? ??????? ??????? ????????????????? ?????? ????? ?????? ???? ??? ?????? ??? ????????? ??????? ??? ??????????????? ?? ????????? ?????? ??????????? ???? ??? ??? ??????, ??????? ????? ??? ???????? ??? ??? ????????????? ??????? ????????? 28 ℃ ???? ??????????? ????????? 28.2 ?????? ???? ??????, ?????? ?????? ??? pH ????? ?????????? ??????????? ??????????? ????????????? ????? ?? ????????????????????????? ????? ???-??? ??? ????, ??? ?? ??????? ???? ????????? ????????, ?? ????????? ????? ?????? ????? ?????? ??? ??? ?? ????? ????????????????? ?????? ??? ??????, ??? pH 5 ??? ???? ?????????? ??????? 1 ????? ???? ???? ??? ????????? ??? ??? ???? ????????? ?????????? ???? ????? ???? ??? ?????? 4 ??? ??? ????????? ???? ???????? ???????? ???? ????????? ???????? ??? ?? ??? ???? ?????????? ????? ?? ??????? ???????? ??? ???