偷窥油按摩自拍亚洲,伊人色综合久久天天人手人婷,天堂а√在线地址,久久久久久久综合狠狠综合

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

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

    2025-03-17

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


    ??? 1:
    4-??????-4-??????????-2-???????? (???????? ??????) ??? ?????????? ?????? ????, ???? ??? ???? ???? ????? ???, ?????????? ?????????? ?? NaOBr ???? ??? ?? ????? ???? ??, ??? ??? ???? ???????????? ??? ???????????? ????? ????? ????? ???????????? ???????? ???? HMB ???? ??? β - ?????????? - β - ??????????????? ???????? ?????? ??? ?? Ca (OH) 2 ??? ????? ????? ???? ??? ??? ?? ???? ???? ??? ????? ??????? ??? ??? ??????? ???????? ?? ????? ???

    1. ??? 2:
      1) ???????? ?????? ????, ???????? ????, ??? H2O2 ?? ??????????, ??? ??? ???? ?????? ?????????? ????? ??, ????????? ???? ?? ??? ???? ???? ??;

    2. 2) ??? 1 ???? ?????? ????? ??? ???????? ?????? ??? ?????, ?????????? ?? ???? ???? ?????? ?????? ???, ??? ??? ?????? ??? ??? 70 ℃ ???? ????? ???? ?????????? ??? ???? ?????-????? β - ?????????? - β - ?????????????? ???? ?? ??? ??;

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