国产+内射+后入,国产精品亚洲综合一区在线观看,国产v亚洲v欧美v精品综合,国产黄色大片,美女在线观看

Leave Your Message
?????? ????
    ???????????????? ??????

    HMB-Ca ? ????????? ???????

    ????-??-??

    8b1220f5-7a27-494d-a895-148727ea35ef


    ?????? ?:
    ??????????? ??????? ????? 4-??????-4-???????????-2-????????? (???????? ??????) ??????? ???, ?????? ????? ???? ??????? ???, ??????????? ??????????? ???? NaOBr ???? ????? ??????? ??????????, ??’??? ??????????? ??? ?????????? ???????? ??????????? β - ??????????? - β - ???????????????? ????????? ????? ???? ?????????? ?????????? ???? HMB ?????? Ca (OH) 2 ???? ??????? ????? ??????????? ??? ???????? ???? ?????? ??????? ??? ?? ?????? ???????? ?????? ??????

    1. ?????? ?:
      ?) ???? ??????? ?????, ?????????? ?????, ??? H2O2 ? ???????????, ??? ??’??? ???????? ???????, ?????????? ????? ? ?? ????? ?????? ???;

    2. ?) ???????? ? ?? ??????? ???????? ????????? ?????? ???? ?????? ??????, ??????????? ???? ?????? ????? ??????? ??????? ???????, ??? ????? ???? ?????? ??? ?? ℃ ??????? ?????? ??????? ???? ??? ?????????? ????? β - ??????????? - β - ????????????????? ????? ?? ?????;

    3. 3) ?????? 2 ?? ??????? ??????????? ??????????? ???? ??? ??????? ?????????????? ????? ????????) pH ?? 6.0-7.0 ?? ?????? ??????? ???????? ??? ??? ???????? ??????, ????? ????? ???? ???????? ??????????? ?????????? ????????? ???????, ????????????? ???????, ??? β - ??????????? - β - ????????????????? ?????????? ???????? ????? ???? pH ?? ???? 6.5-7.0 ?? ?????? ??????? ?????? ????? ???? ?????? ?????? ??? ????? ????????