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


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

    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 ?? ????????? ??????. ?????????? ?????????? ??????? ???? ??????????.