?????????
??????????? ?? ???????? ??? ??????? ??? ????????????????? ???? ??? 90% ???????? ?????????? ???? ???????? ???? ??? ?????, ??? ?????? ??? ????? ????? ???? ?????? ?????????? ????????? ???, 20 ℃ ?? ???? 37%? ?????? ???????? ????, ??? ???? ????? ???? ???, ??? ???????? ????? ?????? -97.4J/g?
?????????? ???? ?????????? 70% ?? 80%, ???? ?????? ??? ?????? ????? ????, ??? ???? ???? ?????? ???? ??? ??? ??????? ??????????? ??? ????????? ????????????????? (AK) ??? ???? ????-??????? ???? ???? ??????? ????, ???? ??? ????? ????????? ???? ???? ????? ????????? ?????????? ???? ??? ?? ???? ????? ?????? ???? ?????????? ??????? ?????? ????????? ??????? ????? ???? ??? ??? ?????????? ??????? ??? ????
?????????? ?????? ???????? ????? ????? ??? ??? ???? ??????????? ???? ?????? ????? ?????? ???? ?????????? ??? ?????? ????? ????? ???? ????????? ????? ????? ????????? ???????? ??????????? ????????
?????????? ????????????????? ??????? ???, ??? ??? ???? ?????? ??? ???? ???? ??? ???? ?????? ?????? ??????? ???? 20 ℃ ????????? ??? 90% ???????? ???????? ???? ????????, 5 ??? ???? ?????? ???, ???????? ???? ????????????????? ??? ????? 40%, ???????? ???? 17%, ???????? ???? 10% ??? ????????? ???? 2% ?? ??? ?????? ????
25 ℃ ?? ?????????? ????????? 36%, ???? ????????? ?????????? ???? ?????? ????? ?????????????? ??? ????????? ?? ?????? ?????, ?????? ???? ????? ???????? ???? ???????? ?????? ??????? ????????? ?????, ???????? ???? ??????????? ???? ???? ?????? ???? ?????? ???? ?????? ??? ??????? ??????? ????? ?????? ???? ????????? ????????? ?????? ???? ???????? ???? 80 ℃ ???????????, ??? ???????? ???? ????? 75%, ????, ???????? 20 ℃ ???????????, ??? 35% ?? ????? ???? ??? ???? ?? ???????? ??? ????? ??? ??????, ???? ???????? ???????? ?????? ??????? ??????? ???????? ???? ?????? ????? ??????? ??????? ????? ???? ????????? ?????? ??? ???? ????????, ??? ?????? ???? ????????? ???????? ??????? ????? ???? ??? ??? ????????? 1.8 ???? ???????? ???? ??????? ???? ????, ???? ????????? ????????? ????? ?????