????????? ??????? ???????????????? ????? ?-????????? ???????? ??? ??? ???? ?-????????? ????????? ????????? ????????? ????????????? ???? ??? ??? ????? ????? ??????? ??????? ???? ?????? ???? ????, ?? ???? ??? ????????????? ??? ????????????? ????? ??????? ????????????????? ?????????? ???, ????? ?????? ?????? ???????? ????????? ?????? ?????????? ???? ???? ?????????? ????????? ??????? ??????? ?????? ??????? ??????????? ???, ????????????? ???? ????????????? ???????? ??????????? ???? ???? ??? ?????? ???? ??????????? ?????? ???? ????

????????? ??????? ???? ???????-??????? ????????????????????? ?????? ?? ?????, ???? ??? ???? ????????????? ??? ???? ?????? ????? ????????? ???????? ???????? ??????? ?????, 4.5 ?? ???? pH ??? ???? ???????? ??????? ????????????? ??? ?? ???????????? ?????? ???????

????? ??????? ??? ????????? ??????? ????????? ????????? ????????? ??????? ??, ???????? ??????????? ??????? ???? ??????????? ?????? ?????? ??? ??????? ????????? ??????? ??? ???????? ??????????? ?????? ?? ?????? ????? ??????????? ??? ?? ???? ?????? ??? ??? ????????, ????? ??????? ??? ????????? ?????? ??? ?????????, ????????? ??????? ?????? ??????????? ???? ??? ?????? ????????? 270 ℃ ??????? ????? ???? ??????? ????? ?????? ??? ???? ?????, ??? ??????? ?????? ??? ??????????????? ?????? ??? ??? ????, ???? ??? ???? ???? ????????? ??????? ??? ???????? ??????????? ?????? ?????? ????? ??????? ??? ????????? ????? ????? ??????

??????, ????????? ??????????? ???????? ????????? ????????? ?? ????? ??? ??????? ???? ??, ????? ???????? ????????? ??????? ?????????? ???? ????, ??? ??? ??????? ?????????? ???????? ?????? ???? ???? ????? ???????? ??????? ??????????? ?????????? ???? ???????? ?????? ???? ??? ???????? ????????, ???????????? ???????, ????????? ???????, ???????? ??? ???????? ???? ??? ??? ?????? ????? ???????? ??????? ??? ???? ?????? ?????????????????? ???? ???? ???? ??? ????? ??????? ?????? ?????? ???? ??? ????? ????, ???? ?????????????? ???????????? ?????? ???????? ??????? ??? ???????? ???????? ??????? ???? ??????? ?????? ??? ???

???????????, ??????? ?????? ???? ????????? ??????? ??? ???????? ????????? ??? ??? ???? ??????????? ?????? ???? ????????? ???????????, ???? ?????, ???????, ????? ??????? ??????? ???????? ?????????? ??? ????????? ?????? ????? ???? ????, ?? ???? ??????? ???? ????????? ????? ?????????????????? ??????? ??????, ????? ????????? ????? ???, ??? ???????? ?? ?????? ?????? ?????????????? ??? ?????-?????????? ????????? ???????? ??????? ?????? ??????? ??? ??????? ????? ??? ???? ????? ???????, ??????? ???????????? ????? ?? ????????????? ??????????? ?????? ??? ??? ??? ???? ???? ????? ????