{"id":14394,"date":"2015-03-20T10:50:20","date_gmt":"2015-03-20T03:50:20","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/?p=14394"},"modified":"2015-03-18T10:58:53","modified_gmt":"2015-03-18T03:58:53","slug":"bao-cao-ket-qua-de-tai-nghien-cuu-xu-ly-go-rung-trong-bang-hop-chat-vo-co-nham-nang-cao-do-ben-tu-nhien-do-on-dinh-kich-thuoc-va-kha-nang-chong-chay","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/bao-cao-ket-qua-de-tai-nghien-cuu-xu-ly-go-rung-trong-bang-hop-chat-vo-co-nham-nang-cao-do-ben-tu-nhien-do-on-dinh-kich-thuoc-va-kha-nang-chong-chay\/","title":{"rendered":"B\u00e1o c\u00e1o k\u1ebft qu\u1ea3 \u0111\u1ec1 t\u00e0i: Nghi\u00ean c\u1ee9u x\u1eed l\u00fd g\u1ed7 r\u1eebng tr\u1ed3ng b\u1eb1ng h\u1ee3p ch\u1ea5t v\u00f4 c\u01a1 nh\u1eb1m n\u00e2ng cao \u0111\u1ed9 b\u1ec1n t\u1ef1 nhi\u00ean, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y"},"content":{"rendered":"

PGS.TS. Nguy\u1ec5n Th\u1ecb B\u00edch Ng\u1ecdc
\n<\/b><\/p>\n

1. \u0110\u1eb7t v\u1ea5n \u0111\u1ec1<\/b><\/p>\n

G\u1ed7 r\u1eebng tr\u1ed3ng c\u00f3 nhi\u1ec1u \u01b0u \u0111i\u1ec3m \u0111\u1ec3 l\u00e0m nguy\u00ean li\u1ec7u cho c\u00f4ng nghi\u1ec7p ch\u1ebf bi\u1ebfn g\u1ed7 nh\u01b0ng c\u0169ng b\u1ed9c l\u1ed9 nhi\u1ec1u nh\u01b0\u1ee3c \u0111i\u1ec3m \u0111\u00f3 l\u00e0 \u0111\u1ed9 b\u1ec1n t\u1ef1 nhi\u00ean kh\u00f4ng cao, d\u1ec5 b\u1ecb cong v\u00eanh, n\u1ee9t v\u1ee1. Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam v\u1edbi nh\u1eefng c\u00f4ng tr\u00ecnh nghi\u00ean c\u1ee9u v\u1ec1 b\u1ea3o qu\u1ea3n g\u1ed7 trong g\u1ea7n 50 n\u0103m qua \u0111\u00e3 \u0111\u1eb7t n\u1ec1n m\u00f3ng v\u1eefng v\u00e0ng \u0111\u1ec3 tri\u1ec3n khai nh\u1eefng k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u v\u00e0o th\u1ef1c ti\u1ec5n s\u1ea3n xu\u1ea5t.<\/p>\n

Xu h\u01b0\u1edbng nghi\u00ean c\u1ee9u b\u1ea3o qu\u1ea3n g\u1ed7 tr\u00ean th\u1ebf gi\u1edbi hi\u1ec7n nay c\u00f3 m\u1ed9t s\u1ed1 c\u00e1ch ti\u1ebfp c\u1eadn r\u1ea5t m\u1edbi tr\u00ean n\u1ec1n t\u1ea3ng c\u1ee7a m\u1ed9t s\u1ed1 c\u00f4ng ngh\u1ec7 \u0111\u00e3 \u0111\u1ea1t \u0111\u01b0\u1ee3c nh\u1eefng th\u00e0nh t\u1ef1u l\u1edbn c\u1ee7a th\u1ebf k\u1ef7 20. M\u1ed9t trong nh\u1eefng c\u00e1ch ti\u1ebfp c\u1eadn \u0111\u00f3 l\u00e0 d\u00f9ng c\u00e1c h\u1ee3p ch\u1ea5t gia c\u01b0\u1eddng cho th\u00e0nh t\u1ebf b\u00e0o g\u1ed7, c\u00e1c h\u1ee3p ch\u1ea5t c\u1ee7a silic (m\u1ed9t trong nh\u1eefng h\u1ee3p ch\u1ea5t \u0111\u00e3 l\u00e0m l\u00ean c\u00e1ch m\u1ea1ng c\u00f4ng ngh\u1ec7 c\u1ee7a th\u1ebf k\u1ef7 qua) nh\u1ea5t l\u00e0 c\u00e1c d\u1eabn xu\u1ea5t silicon v\u00e0 silan. \u01afu \u0111i\u1ec3m c\u01a1 b\u1ea3n c\u1ee7a c\u00e1c h\u1ee3p ch\u1ea5t n\u00e0y l\u00e0 c\u00f3 th\u1ec3 s\u1ea3n xu\u1ea5t l\u01b0\u1ee3ng l\u1edbn, ph\u1ea3n \u1ee9ng t\u1ea1o li\u00ean k\u1ebft v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc g\u1ed7 \u1edf nh\u1eefng \u0111i\u1ec1u ki\u1ec7n kh\u00f4ng qu\u00e1 kh\u1eaft khe. G\u1ed7 \u0111\u00e3 \u0111\u01b0\u1ee3c t\u1ea9m m\u1ed9t l\u01b0\u1ee3ng c\u00e1c h\u00f3a ch\u1ea5t b\u1ea3o qu\u1ea3n kinh \u0111i\u1ec3n – th\u01b0\u1eddng l\u00e0 c\u00e1c h\u1ee3p ch\u1ea5t boron, n\u1ebfu \u0111\u01b0\u1ee3c ph\u1ed1i h\u1ee3p \u00a0th\u00eam v\u1edbi c\u00e1c h\u1ee3p ch\u1ea5t c\u1ee7a\u00a0 silic s\u1ebd c\u00f3 nh\u1eefng t\u00ednh n\u0103ng \u01b0u vi\u1ec7t h\u01a1n h\u1eb3n. G\u1ed7 sau x\u1eed l\u00fd c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf nh\u1eefng n\u01a1i c\u00f3 \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t. M\u1eb7t kh\u00e1c, d\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a h\u1ee3p ch\u1ea5t silic s\u1ebd l\u00e0m h\u1ea1n ch\u1ebf qu\u00e1 tr\u00ecnh r\u1eeda tr\u00f4i boron s\u1ebd g\u00f3p ph\u1ea7n b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng.<\/p>\n

\u0110\u00e2y l\u00e0 h\u01b0\u1edbng nghi\u00ean c\u1ee9u r\u1ea5t m\u1edbi \u1edf trong n\u01b0\u1edbc c\u0169ng nh\u01b0 tr\u00ean th\u1ebf gi\u1edbi. C\u00e1c t\u00e0i li\u1ec7u khoa h\u1ecdc c\u00f4ng b\u1ed1 v\u1ec1 k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u x\u1eed l\u00fd g\u1ed7 b\u1eb1ng c\u00e1c h\u1ee3p ch\u1ea5t c\u1ee7a Boron v\u00e0 silic cho th\u1ea5y, c\u00e1c \u0111i\u1ec1u ki\u1ec7n v\u1ec1 c\u00f4ng ngh\u1ec7 cho qu\u00e1 tr\u00ecnh x\u1eed l\u00fd kh\u00f4ng qu\u00e1 kh\u1eaft khe v\u00e0 c\u00f3 th\u1ec3 tri\u1ec3n khai \u0111\u01b0\u1ee3c trong \u0111i\u1ec1u ki\u1ec7n c\u1ee7a Vi\u1ec7t Nam. Do \u0111\u00f3, \u0111\u1ec1 t\u00e0i \u201c Nghi\u00ean c\u1ee9u x\u1eed l\u00fd g\u1ed7 r\u1eebng tr\u1ed3ng b\u1eb1ng c\u00e1c h\u1ee3p ch\u1ea5t v\u00f4 c\u01a1 nh\u0103m c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n t\u1ef1 nhi\u00ean, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y c\u1ee7a g\u1ed7 r\u1eebng tr\u1ed3ng <\/b>\u201d \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh nh\u1eb1m x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c c\u00e1c h\u1ee3p ch\u1ea5t c\u1ee7a boron v\u00e0 silic c\u00f3 t\u00e1c d\u1ee5ng c\u1ea3i thi\u1ec7n t\u00ednh ch\u1ea5t g\u1ed7 v\u00e0 c\u00e1c th\u00f4ng s\u1ed1 c\u00f4ng ngh\u1ec7 c\u01a1 b\u1ea3n c\u1ee7a qu\u00e1 tr\u00ecnh x\u1eed l\u00fd m\u1ed9t s\u1ed1 lo\u1ea1i g\u1ed7 r\u1eebng tr\u1ed3ng ch\u1ee7 l\u1ef1c c\u1ee7a Vi\u1ec7t Nam b\u1eb1ng c\u00e1c ho\u00e1 ch\u1ea5t \u0111\u00e3 x\u00e1c \u0111\u1ecbnh trong \u0111i\u1ec1u ki\u1ec7n ph\u00f2ng th\u00ed nghi\u1ec7m. K\u1ebft qu\u1ea3 \u0111\u1ea1t\u00a0 \u0111\u01b0\u1ee3c s\u1ebd l\u00e0 c\u01a1 s\u1edf khoa h\u1ecdc cho c\u00e1c nghi\u00ean c\u1ee9u ti\u1ebfp theo \u0111\u1ec3 c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng trong th\u1ef1c t\u1ebf s\u1ea3n xu\u1ea5t.<\/p>\n

2. M\u1ee5c ti\u00eau, n\u1ed9i dung, ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u<\/b><\/p>\n

2.1 M\u1ee5c ti\u00eau nghi\u00ean c\u1ee9u:<\/b><\/p>\n

C\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n t\u1ef1 nhi\u00ean, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc, kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y c\u1ee7a g\u1ed7 r\u1eebng tr\u1ed3ng b\u1eb1ng h\u1ee3p ch\u1ea5t v\u00f4 c\u01a1.<\/p>\n

2.2. N\u1ed9i dung nghi\u00ean c\u1ee9u <\/b><\/p>\n

    \n
  1. Nghi\u00ean c\u1ee9u c\u01a1 s\u1edf qu\u00e1 tr\u00ecnh x\u1eed l\u00fd g\u1ed7 b\u1eb1ng c\u00e1c h\u1ee3p ch\u1ea5t c\u1ee7a silic v\u00e0 boron<\/li>\n<\/ol>\n

    – \u00a0X\u00e1c \u0111\u1ecbnh c\u00e1c h\u1ee3p ch\u1ea5t c\u1ee7a silic v\u00e0 boron c\u00f3 kh\u1ea3 n\u0103ng h\u00ecnh th\u00e0nh li\u00ean k\u1ebft v\u1edbi g\u1ed7<\/p>\n

    – \u00a0Nghi\u00ean c\u1ee9u qu\u00e1 tr\u00ecnh t\u00e1c h\u1ee3p gi\u1eefa g\u1ed7 v\u00e0 c\u00e1c h\u1ee3p ch\u1ea5t silic, boron<\/p>\n

    2. Nghi\u00ean c\u1ee9u x\u00e1c \u0111\u1ecbnh hi\u1ec7u l\u1ef1c ph\u00f2ng ch\u1ed1ng sinh v\u1eadt g\u00e2y h\u1ea1i l\u00e2m s\u1ea3n c\u1ee7a g\u1ed7 \u0111\u00e3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng c\u00e1c h\u1ee3p ch\u1ea5t silic v\u00e0 boron<\/p>\n

    – X\u00e1c \u0111\u1ecbnh hi\u1ec7u l\u1ef1c ph\u00f2ng ch\u1ed1ng n\u1ea5m g\u00e2y h\u1ea1i l\u00e2m s\u1ea3n c\u1ee7a g\u1ed7 sau x\u1eed l\u00fd<\/p>\n

    – X\u00e1c \u0111\u1ecbnh hi\u1ec7u l\u1ef1c ph\u00f2ng ch\u1ed1ng c\u00f4n tr\u00f9ng g\u00e2y h\u1ea1i l\u00e2m s\u1ea3n c\u1ee7a g\u1ed7 sau x\u1eed l\u00fd<\/p>\n

      \n
    1. Nghi\u00ean c\u1ee9u x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc c\u1ee7a g\u1ed7 \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng h\u1ee3p ch\u1ea5t silic v\u00e0 boron<\/li>\n<\/ol>\n

      – X\u00e1c \u0111\u1ecbnh h\u1ec7 s\u1ed1 d\u00e3n n\u1edf c\u1ee7a g\u1ed7 sau x\u1eed l\u00fd<\/p>\n

      – X\u00e1c \u0111\u1ecbnh h\u1ec7 s\u1ed1 ch\u1ed1ng h\u00fat n\u01b0\u1edbc c\u1ee7a g\u1ed7 sau x\u1eed l\u00fd<\/p>\n

      – X\u00e1c \u0111\u1ecbnh h\u1ec7 s\u1ed1 ch\u1ed1ng h\u00fat \u1ea9m c\u1ee7a g\u1ed7 sau x\u1eed l\u00fd<\/p>\n

        \n
      1. Nghi\u00ean c\u1ee9u x\u00e1c \u0111\u1ecbnh kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y c\u1ee7a g\u1ed7 \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng h\u1ee3p ch\u1ea5t silic v\u00e0 boron<\/li>\n
      2. Nghi\u00ean c\u1ee9u kh\u1ea3 n\u0103ng t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng do qu\u00e1 tr\u00ecnh r\u1eeda tr\u00f4i boron c\u1ee7a g\u1ed7 sau x\u1eed l\u00fd<\/li>\n<\/ol>\n

        \u0110\u1ec1 xu\u1ea5t k\u1ef9 thu\u1eadt x\u1eed l\u00fd g\u1ed7 b\u1eb1ng m\u1ed9t s\u1ed1 h\u1ee3p ch\u1ea5t c\u1ee7a silic v\u00e0 boron<\/b><\/p>\n

        2.3. Ph<\/b>\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u<\/b><\/b><\/p>\n

        a\/ Nguy\u00ean, v\u1eadt li\u1ec7u th\u00ed nghi\u1ec7m<\/b><\/p>\n

        – H\u00f3a ch\u1ea5t th\u00ed nghi\u1ec7m: H3<\/sub>BO3<\/sub>, Na2<\/sub>B4<\/sub>O7<\/sub>, Al2<\/sub>(SO4<\/sub>)3<\/sub>, CaCl2<\/sub>, Na2<\/sub>SiO3<\/sub>, axit silicic, Silic di\u00f4xit, tetra-ethoxysilan, amino-polydimethylsiloxane, vinyl trimethoxy silane, poly -etylenglycol metyl-metacrylat,<\/p>\n

        – G\u1ed7 r\u1eebng tr\u1ed3ng:\u00a0 g\u1ed7 keo lai (Acacia auriculiformis x mangium) <\/i>v\u00e0\u00a0 <\/i>g\u1ed7 b\u1ed3 \u0111\u1ec1 (Styrax tonkinensis)<\/i><\/p>\n

        b\/ Ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u<\/b><\/i><\/p>\n

        \u0110\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c n\u1ed9i dung nghi\u00ean c\u1ee9u, \u0111\u1ec1 t\u00e0i s\u1ebd \u00e1p d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u sau \u0111\u00e2y:<\/p>\n

        Ph\u01b0\u01a1ng ph\u00e1p th\u1ef1c nghi\u1ec7m:<\/b><\/p>\n

        + B\u1ed1 tr\u00ed nghi\u00ean c\u1ee9u th\u0103m d\u00f2: Tr\u00ean c\u01a1 s\u1edf k\u1ebf th\u1eeba c\u00e1c k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u khoa h\u1ecdc \u0111\u00e3 tham kh\u1ea3o, b\u1ed1 tr\u00ed c\u00e1c nghi\u00ean c\u1ee9u th\u0103m d\u00f2 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c kho\u1ea3ng bi\u1ebfn thi\u00ean c\u1ee7a c\u00e1c y\u1ebfu t\u1ed1 \u0111\u1ea7u v\u00e0o l\u00e0 th\u00f4ng s\u1ed1 c\u00f4ng ngh\u1ec7 c\u1ee7a qu\u00e1 tr\u00ecnh x\u1eed l\u00fd g\u1ed7,<\/p>\n

        + B\u1ed1 tr\u00ed theo theo ph\u01b0\u01a1ng ph\u00e1p th\u1ef1c nghi\u1ec7m \u0111\u01a1n y\u1ebfu t\u1ed1: Tr\u00ean c\u01a1 s\u1edf k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u th\u0103m d\u00f2 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c kho\u1ea3ng bi\u1ebfn thi\u00ean c\u1ee7a c\u00e1c th\u00f4ng s\u1ed1 c\u00f4ng ngh\u1ec7 c\u1ee7a qu\u00e1 tr\u00ecnh x\u1eed l\u00fd g\u1ed7 b\u1eb1ng c\u00e1c h\u1ee3p ch\u1ea5t c\u1ee7a silic v\u00e0 boron, ti\u1ebfp t\u1ee5c b\u1ed1 tr\u00ed th\u1ef1c nghi\u1ec7m \u0111\u01a1n y\u1ebfu t\u1ed1 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh th\u00f4ng s\u1ed1 c\u00f4ng ngh\u1ec7 h\u1ee3p l\u00fd c\u1ee7a qu\u00e1 tr\u00ecnh x\u1eed l\u00fd g\u1ed7.<\/p>\n

        + Ph\u01b0\u01a1ng ph\u00e1p x\u00e1c \u0111\u1ecbnh hi\u1ec7u l\u1ef1c ph\u00f2ng ch\u1ed1ng sinh v\u1eadt g\u00e2y h\u1ea1i l\u00e2m s\u1ea3n c\u1ee7a g\u1ed7 \u0111\u00e3 x\u1eed l\u00fd: \u00c1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e3 \u0111\u01b0\u1ee3c Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p VN x\u00e2y d\u1ef1ng: \u201cQuy tr\u00ecnh kh\u1ea3o nghi\u1ec7m hi\u1ec7u l\u1ef1c c\u1ee7a c\u1ee7a thu\u1ed1c b\u1ea3o qu\u1ea3n l\u00e2m s\u1ea3n \u0111\u1ed1i v\u1edbi m\u1ed1i\u201d, \u201c Quy tr\u00ecnh kh\u1ea3o nghi\u1ec7m hi\u1ec7u l\u1ef1c c\u1ee7a thu\u1ed1c b\u1ea3o qu\u1ea3n l\u00e2m s\u1ea3n v\u1edbi n\u1ea5m\u201d, \u201cQuy tr\u00ecnh kh\u1ea3o nghi\u1ec7m hi\u1ec7u l\u1ef1c c\u1ee7a thu\u1ed1c b\u1ea3o qu\u1ea3n l\u00e2m s\u1ea3n t\u1ea1i b\u00e3i th\u1eed t\u1ef1 nhi\u00ean\u201d.<\/p>\n

        + Ph\u01b0\u01a1ng ph\u00e1p th\u1ef1c nghi\u1ec7m x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc g\u1ed7:<\/p>\n

        G\u1ed7 sau khi x\u1eed l\u00fd h\u00f3a ch\u1ea5t \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed th\u1ef1c nghi\u1ec7m \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh h\u1ec7 s\u1ed1 ch\u1ed1ng d\u00e3n n\u1edf theo TCVN 362- 70; X\u00e1c \u0111\u1ecbnh h\u1ec7 s\u1ed1 ch\u1ed1ng h\u00fat n\u01b0\u1edbc theo TCVN 360- 70; X\u00e1c \u0111\u1ecbnh h\u1ec7 s\u1ed1 ch\u1ed1ng h\u00fat \u1ea9m theo TCVN 360- 70.<\/p>\n

        + Ph\u01b0\u01a1ng ph\u00e1p th\u1ef1c nghi\u1ec7m x\u00e1c \u0111\u1ecbnh kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y c\u1ee7a g\u1ed7 sau x\u1eed l\u00fd: \u00c1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p \u201c\u1ed0ng l\u1eeda\u201d theo ti\u00eau chu\u1ea9n ASTM \u2013 E69 \u2013 50.<\/p>\n

        2.4. Th\u1eddi gian th\u1ef1c hi\u1ec7n \u0111\u1ec1 t\u00e0i : 2010 \u2013 2012<\/b><\/p>\n

        N\u0103m 2010 l\u00e0 n\u0103m \u0111\u1ea7u ti\u00ean tri\u1ec3n khai th\u1ef1c hi\u1ec7n \u0111\u1ec1 t\u00e0i.<\/p>\n

        3. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u<\/b><\/p>\n

        3.1.\u00a0\u00a0\u00a0\u00a0\u00a0 <\/b>Nghi\u00ean c\u1ee9u c\u01a1 s\u1edf qu\u00e1 tr\u00ecnh x\u1eed l\u00fd g\u1ed7 b\u1eb1ng c\u00e1c h\u1ee3p ch\u1ea5t c\u1ee7a silic v\u00e0 boron<\/b><\/p>\n

        3.1.1.\u00a0 <\/b>Nghi\u00ean c\u1ee9u x\u00e1c \u0111\u1ecbnh c\u00e1c h\u1ee3p ch\u1ea5t c\u1ee7a silic v\u00e0 boron c\u00f3 kh\u1ea3 n\u0103ng h\u00ecnh th\u00e0nh li\u00ean k\u1ebft v\u1edbi g\u1ed7<\/b><\/p>\n

        \u00a0\u00a0 a\/ T\u1ed5ng h\u1ee3p t\u00e0i li\u1ec7u v\u1ec1 c\u00e1c gi\u1ea3i ph\u00e1p bi\u1ebfn t\u00ednh g\u1ed7 nh\u1eb1m n\u00e2ng cao \u0111\u1ed9 b\u1ec1n t\u1ef1 nhi\u00ean, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y c\u1ee7a g\u1ed7<\/b><\/p>\n

        Bi\u1ebfn t\u00ednh g\u1ed7 l\u00e0 m\u1ed9t ho\u1ea1t \u0111\u1ed9ng s\u1eed d\u1ee5ng c\u00e1c t\u00e1c nh\u00e2n v\u1eadt l\u00fd, h\u00f3a h\u1ecdc v\u00e0 sinh h\u1ecdc t\u00e1c \u0111\u1ed9ng l\u00ean v\u1eadt li\u1ec7u g\u1ed7 h\u01b0\u1edbng \u0111\u1ebfn vi\u1ec7c n\u00e2ng cao c\u00e1c t\u00ednh ch\u1ea5t mong mu\u1ed1n c\u1ee7a g\u1ed7 trong su\u1ed1t qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng.<\/p>\n

        M\u1ee5c \u0111\u00edch c\u1ee7a bi\u1ebfn t\u00ednh g\u1ed7 l\u00e0 h\u01b0\u1edbng t\u1edbi vi\u1ec7c t\u0103ng \u0111\u1ed9 b\u1ec1n t\u1ef1 nhi\u00ean, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc, gi\u1ea3m s\u1ef1 h\u1ea5p th\u1ee5 n\u01b0\u1edbc, v\u00e0 \u0111\u1eb7c bi\u1ec7t ng\u00e0y nay bi\u1ebfn t\u00ednh g\u1ed7 h\u01b0\u1edbng t\u1edbi vi\u1ec7c t\u1ea1o \u0111\u1ed9 b\u1ec1n t\u1ef1 nhi\u00ean cho g\u1ed7 d\u01b0\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng v\u00e0 th\u1eddi ti\u1ebft kh\u1eafc nghi\u1ec7t.<\/p>\n

        \u00a0 C\u00e1c ph\u01b0\u01a1ng ph\u00e1p bi\u1ebfn t\u00ednh g\u1ed7<\/b><\/p>\n

        –\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Bi\u1ebfn t\u00ednh h\u00f3a h\u1ecdc: L\u00e0 ph\u01b0\u01a1ng ph\u00e1p trong \u0111\u00f3 s\u1eed d\u1ee5ng c\u00e1c t\u00e1c nh\u00e2n h\u00f3a h\u1ecdc c\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o th\u00e0nh li\u00ean k\u1ebft c\u1ed9ng h\u00f3a tr\u1ecb v\u1edbi th\u00e0nh t\u1ebf b\u00e0o g\u1ed7.<\/p>\n

        Nh\u01b0 v\u1eady bi\u1ebfn t\u00ednh h\u00f3a h\u1ecdc s\u1ebd l\u00e0m thay \u0111\u1ed5i b\u1ea3n ch\u1ea5t h\u00f3a h\u1ecdc th\u00e0nh t\u1ebf b\u00e0o, c\u1ee5 th\u1ec3 l\u00e0 c\u00e1c h\u1ee3p ch\u1ea5t cao ph\u00e2n t\u1eed. Ph\u01b0\u01a1ng ph\u00e1p bi\u1ebfn t\u00ednh h\u00f3a h\u1ecdc ng\u00e0y nay l\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c quan t\u00e2m b\u1edfi s\u1ed1 \u0111\u00f4ng c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u tr\u00ean th\u1ebf gi\u1edbi.<\/p>\n

        –\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Bi\u1ebfn t\u00ednh nhi\u1ec7t: l\u00e0 ph\u01b0\u01a1ng ph\u00e1p bi\u1ebfn t\u00ednh d\u00f9ng nhi\u1ec7t \u0111\u1ec3 t\u00e1c \u0111\u1ed9ng l\u00ean g\u1ed7 nh\u1eb1m \u0111em l\u1ea1i s\u1ef1 gia t\u0103ng v\u1ec1 t\u00ednh ch\u1ea5t li\u00ean quan \u0111\u1ebfn hi\u1ec7u qu\u1ea3 c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n

        –\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Bi\u1ebfn t\u00ednh b\u1ec1 m\u1eb7t: l\u00e0 ph\u01b0\u01a1ng ph\u00e1p bi\u1ebfn t\u00ednh s\u1eed d\u1ee5ng c\u00e1c t\u00e1c nh\u00e2n h\u00f3a h\u1ecdc, v\u1eadt l\u00fd v\u00e0 sinh h\u1ecdc t\u00e1c \u0111\u1ed9ng l\u00ean b\u1ec1 m\u1eb7t g\u1ed7 \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 n\u00e2ng cao mong mu\u1ed1n.<\/p>\n

        –\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Bi\u1ebfn t\u00ednh l\u1ea5p \u0111\u1ea7y: l\u00e0 ph\u01b0\u01a1ng ph\u00e1p m\u00e0 cho ph\u00e9p s\u1ef1 l\u1ea5p \u0111\u1ea7y c\u00e1c th\u00e0nh ph\u1ea7n g\u1ed7 b\u1eb1ng m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u tr\u01a1 \u0111\u1ec3 thu \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 thay \u0111\u1ed5i mong mu\u1ed1n.<\/p>\n

        \u00a0 b\/ <\/b><\/p>\n

        T\u1ed5ng h\u1ee3p t\u00e0i li\u1ec7u v\u1ec1 kh\u1ea3 n\u0103ng x\u1eed l\u00fd n\u00e2ng cao c\u00e1c \u0111\u1eb7c t\u00ednh g\u1ed7 c\u1ee7a c\u00e1c h\u1ee3p ch\u1ea5t silic v\u00e0 boron<\/b><\/b><\/p>\n

        X\u1eed l\u00fd b\u1ea3o qu\u1ea3n g\u1ed7 ch\u1ed1ng l\u1ea1i c\u00e1c t\u00e1c nh\u00e2n sinh v\u1eadt g\u00e2y h\u1ea1i b\u1eb1ng c\u00e1c h\u1ee3p ch\u1ea5t v\u00f4 c\u01a1 \u0111\u00e3 \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u v\u00e0 \u1ee9ng d\u1ee5ng trong th\u1ef1c t\u1ebf s\u1ea3n xu\u1ea5t t\u1eeb r\u1ea5t s\u1edbm. Trong c\u00e1c h\u1ee3p ch\u1ea5t v\u00f4 c\u01a1 n\u00eau tr\u00ean, h\u1ee3p ch\u1ea5t c\u1ee7a Boron \u0111\u01b0\u1ee3c \u01b0u ti\u00ean s\u1eed d\u1ee5ng nhi\u1ec1u h\u01a1n c\u1ea3 trong hai th\u1eadp k\u1ef7 qua do c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m v\u1ec1 hi\u1ec7u l\u1ef1c kh\u00e1ng n\u1ea5m v\u00e0 c\u00f4n tr\u00f9ng \u1edf ph\u1ed5 r\u1ed9ng, th\u00e2n thi\u1ec7n v\u1edbi con ng\u01b0\u1eddi, m\u00f4i tr\u01b0\u1eddng v\u00e0 kh\u00f4ng l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u00e0u s\u1eafc t\u1ef1 nhi\u00ean c\u1ee7a g\u1ed7. H\u1ee3p ch\u1ea5t c\u1ee7a Boron c\u00f2n l\u00e0 th\u00e0nh ph\u1ea7n quan tr\u1ecdng trong c\u00e1c m\u1ed9t s\u1ed1 lo\u1ea1i thu\u1ed1c d\u00f9ng \u0111\u1ec3 x\u1eed l\u00fd ch\u1ed1ng ch\u00e1y v\u00e0 gi\u1eef \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc cho g\u1ed7.\u00a0 Song nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a c\u00e1c h\u1ee3p ch\u1ea5t Boron l\u00e0 l\u01b0\u1ee3ng th\u1ea5m \u0111\u01b0\u1ee3c v\u00e0o g\u1ed7 c\u00f3 gi\u1edbi h\u1ea1n v\u00ec \u0111\u1ed9 tan trong n\u01b0\u1edbc kh\u00f4ng cao, h\u01a1n n\u1eefa n\u1ebfu g\u1ed7 t\u1ea9m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf ngo\u00e0i tr\u1eddi, ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ea5t ho\u1eb7c n\u01a1i c\u00f3 \u0111\u1ed9 \u1ea9m cao th\u00ec Boron r\u1ea5t d\u1ec5 b\u1ecb r\u1eeda tr\u00f4i. Trong th\u1eddi gian qua r\u1ea5t nhi\u1ec1u nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ec3 kh\u1eafc ph\u1ee5c nh\u01b0\u1ee3c \u0111i\u1ec3m n\u00e0y. V\u1ec1 c\u01a1 b\u1ea3n c\u00f3 2 con \u0111\u01b0\u1eddng ch\u00ednh \u0111\u01b0\u1ee3c quan t\u00e2m:<\/p>\n

        – T\u1ed5ng h\u1ee3p c\u00e1c h\u1ee3p ch\u1ea5t m\u1edbi g\u1ed1c Bo k\u1ef5 n\u01b0\u1edbc<\/p>\n

        – T\u00e1c \u0111\u1ed9ng v\u00e0o g\u1ed7 \u0111\u01b0\u1ee3c x\u1eed l\u00fd Boron<\/p>\n

        Trong c\u00e1c h\u01b0\u1edbng nghi\u00ean c\u1ee9u tr\u00ean, h\u01b0\u1edbng th\u1ee9 nh\u1ea5t m\u1edbi c\u00f3 r\u1ea5t \u00edt c\u00f4ng tr\u00ecnh c\u00f4ng b\u1ed1. Theo h\u01b0\u1edbng nghi\u00ean c\u1ee9u th\u1ee9 hai ( c\u00f3 nhi\u1ec1u h\u1ee3p ch\u1ea5t \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c theo h\u01b0\u1edbng n\u00e0y, nh\u01b0ng ch\u00fang t\u00f4i ch\u1ec9 quan t\u00e2m ch\u1ee7 y\u1ebfu \u0111\u1ebfn c\u00e1c h\u1ee3p ch\u1ea5t c\u1ee7a silic). Qua m\u1ed9t s\u1ed1 c\u00f4ng tr\u00ecnh nghi\u00ean \u00a0c\u1ee9u cho th\u1ea5y c\u00e1c h\u1ee3p ch\u1ea5t c\u1ee7a silic \u0111\u00f3ng vai tr\u00f2 ch\u1ea5t ch\u1ed1ng \u1ea9m l\u00e0m h\u1ea1n ch\u1ebf kh\u1ea3 n\u0103ng h\u00fat \u1ea9m c\u1ee7a g\u1ed7, t\u1eeb \u0111\u00f3 h\u1ea1n ch\u1ebf \u0111\u01b0\u1ee3c boron b\u1ecb r\u1eeda tr\u00f4i v\u00e0 \u0111\u1ed3ng th\u1eddi l\u00e0m cho g\u1ed7 c\u00f3 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc t\u1ed1t h\u01a1n<\/p>\n

        c\/<\/b><\/p>\n

        Th\u1ef1c nghi\u1ec7m x\u00e1c \u0111\u1ecbnh c\u00e1c h\u1ee3p ch\u1ea5t boron, silic c\u00f3 kh\u1ea3 n\u0103ng n\u00e2ng cao \u0111\u1eb7c t\u00ednh g\u1ed7<\/b><\/b><\/p>\n

        C\u00e1c c\u00f4ng th\u1ee9c h\u00f3a ch\u1ea5t s\u1eed d\u1ee5ng cho nghi\u00ean c\u1ee9u bao g\u1ed3m:<\/p>\n

        \u00a0A1<\/b>: Axit silicic + Al2<\/sub>(SO4<\/sub>) + H3<\/sub>BO3<\/sub>\u00a0 + amino-polydimethylsiloxane, theo t\u1ef7 l\u1ec7 kh\u1ed1i l\u01b0\u1ee3ng 60% : 20% : 10% :10%<\/p>\n

        A2<\/b>: Axit silicic + Al2<\/sub>(SO4<\/sub>) + methyl-metacrylat + H3<\/sub>BO3<\/sub> + amino-polydimethylsiloxane, theo t\u1ef7 l\u1ec7 kh\u1ed1i l\u01b0\u1ee3ng 60% : 10% : 10% : 10% :10%<\/p>\n

        A3<\/b>: Silicdioxit + Al2<\/sub>(SO4<\/sub>) +Na2<\/sub>B4<\/sub>O7<\/sub>\u00a0 + vinyl trimethoxysilan, theo t\u1ef7 l\u1ec7 kh\u1ed1i l\u01b0\u1ee3ng 60% : 20% : 10% :10%<\/p>\n

        A4<\/b>: Silicdioxit + Al2<\/sub>(SO4<\/sub>) +Na2<\/sub>B4<\/sub>O7<\/sub>\u00a0 + vinyl trimethoxysilan + poly-ethylenglycol, theo t\u1ef7 l\u1ec7 kh\u1ed1i l\u01b0\u1ee3ng 60% : 10% : 10% :10% +10%.<\/p>\n

        K\u1ebft qu\u1ea3 \u0111\u00e1nh gi\u00e1 hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00e1c c\u00f4ng th\u1ee9c tr\u00ean nh\u01b0 sau:<\/p>\n

        – C\u00e1c m\u1eabu g\u1ed7 sau t\u1ea9m c\u00f3 hi\u1ec7u l\u1ef1c ph\u00f2ng m\u1ed1i t\u1ed1t khi n\u1ed3ng \u0111\u1ed9 h\u00f3a ch\u1ea5t s\u1eed d\u1ee5ng tr\u00ean 4% v\u1edbi g\u1ed7 b\u1ed3 \u0111\u1ec1, tr\u00ean 2% v\u1edbi g\u1ed7 keo lai c\u1ee7a c\u00e1c c\u00f4ng th\u1ee9c tr\u00ean c\u01a1 s\u1edf axit boric. Tr\u00ean 4% v\u1edbi g\u1ed7 b\u1ed3 \u0111\u1ec1, 2% v\u1edbi g\u1ed7 keo lai v\u1edbi c\u00e1c c\u00f4ng th\u1ee9c c\u1ee7a mu\u1ed1i borat.<\/p>\n

        – C\u00e1c m\u1eabu g\u1ed7 sau khi t\u1ea9m c\u00f3 hi\u1ec7u l\u1ef1c kh\u00e1ng m\u1ecdt r\u1ea5t t\u1ed1t, h\u1ea7u nh\u01b0 t\u1ea5t c\u1ea3 c\u00f4ng th\u1ee9c \u0111\u1ec1u cho hi\u1ec7u qu\u1ea3 ch\u1ed1ng m\u1ecdt, tr\u1eeb 2 c\u00f4ng th\u1ee9c axit boric v\u00e0 borat \u1edf c\u1ea5p n\u1ed3ng \u0111\u1ed9 nh\u1ecf nh\u1ea5t.<\/p>\n

        – C\u00e1c m\u1eabu g\u1ed7 sau t\u1ea9m c\u0169ng \u0111\u01b0\u1ee3c kh\u1ea3o hi\u1ec7u l\u1ef1c ch\u1ed1ng n\u1ea5m m\u1ee5c tr\u1eafng v\u00e0 n\u00e2u. C\u00e1c k\u1ebft qu\u1ea3 cho th\u1ea5y g\u1ed7 sau t\u1ea9m cho k\u1ebft qu\u1ea3 ph\u00f2ng m\u1ee5c t\u1ed1t \u1edf t\u1ea5t c\u1ea3 c\u00f4ng th\u1ee9c.<\/p>\n

        – C\u00e1c m\u1eabu sau t\u1ea9m c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y t\u1ed1t h\u01a1n r\u1ea5t nhi\u1ec1u so v\u1edbi c\u00e1c m\u1eabu \u0111\u1ed1i ch\u1ee9ng. Kh\u1ea3 n\u0103ng ch\u1eadm ch\u00e1y c\u00f3 th\u1ec3 n\u00e2ng l\u00ean \u0111\u1ebfn 50%, tuy nhi\u00ean c\u00e1c m\u1eabu g\u1ed7 sau t\u1ea9m v\u1eabn n\u1eb1m trong nh\u00f3m d\u1ec5 ch\u00e1y. \u0110i\u1ec1u n\u00e0y cho th\u1ea5y v\u1eabn ph\u1ea3i nghi\u00ean c\u1ee9u c\u00e1c h\u00f3a ch\u1ea5t ph\u1ed1i h\u1ee3p \u0111\u1ec3 n\u00e2ng cao h\u01a1n hi\u1ec7u qu\u1ea3 ch\u1ed1ng ch\u00e1y.<\/p>\n

        – C\u00e1c m\u1eabu g\u1ed7 sau khi x\u1eed l\u00fd c\u00e1c nh\u00f3m h\u00f3a ch\u1ea5t c\u1ee7a boron c\u00f3 kh\u1ea3 n\u0103ng n\u00e2ng cao \u0111\u1ed9 b\u1ec1n k\u00edch th\u01b0\u1edbc l\u00ean r\u1ea5t nhi\u1ec1u so v\u1edbi \u0111\u1ed1i ch\u1ee9ng.<\/p>\n

        3.1.2<\/b>\u00a0 N<\/b><\/p>\n

        Nghi\u00ean c\u1ee9u qu\u00e1 tr\u00ecnh t\u00e1c h\u1ee3p gi\u1eefa g\u1ed7 v\u1edbi c\u00e1c h\u1ee3p ch\u1ea5t c\u1ee7a silic v\u00e0 boron<\/b><\/p>\n

        a\/ Nghi\u00ean c\u1ee9u x\u00e1c \u0111\u1ecbnh \u0111i\u1ec1u ki\u1ec7n k\u1ef9 thu\u1eadt c\u1ee7a g\u1ed7 c\u1ea7n \u0111\u1ea1t tr\u01b0\u1edbc khi x\u1eed l\u00fd b\u1eb1ng c\u00e1c h\u1ee3p ch\u1ea5t c\u1ee7a\u00a0 Silic v\u00e0 Boron<\/b><\/p>\n

        V\u1edbi m\u1ee5c ti\u00eau t\u1ed5ng h\u1ee3p c\u00e1c nh\u00e2n t\u1ed1 thu\u1ed9c v\u1ec1 t\u00ednh ch\u1ea5t g\u1ed7, c\u00f3 \u1ea3nh h\u01b0\u1edfng l\u00ean k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u x\u1eed l\u00fd g\u1ed7 b\u1eb1ng h\u1ee3p ch\u1ea5t si licv\u00e0 boron. \u1ea2nh h\u01b0\u1edfng l\u00ean c\u00e1c k\u1ebft qu\u1ea3 thu \u0111\u01b0\u1ee3c bao g\u1ed3m c\u00e1c y\u1ebfu t\u1ed1 sau:<\/p>\n

        –\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C\u00e1c m\u1eabu g\u1ed7 tr\u01b0\u1edbc khi t\u1ea9m ph\u1ea3i \u0111\u1ea3m b\u1ea3o c\u00e1c th\u00e0nh ph\u1ea7n c\u00f3 ph\u00e2n t\u1eed l\u01b0\u1ee3ng cao kh\u00f4ng b\u1ecb ph\u00e1 v\u1ee1 do x\u1eed l\u00fd nhi\u1ec7t ho\u1eb7c h\u00f3a h\u1ecdc.<\/p>\n

        –\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C\u00e1c m\u1eabu g\u1ed7 n\u1ebfu \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 t\u1ea9m c\u00e1c t\u00e1c nh\u00e2n c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1 ho\u1ea1i c\u00e1c th\u00e0nh ph\u1ea7n c\u1ea5u tr\u00fac l\u00ean v\u00e1ch t\u1ebf b\u00e0o g\u1ed7 trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd sau t\u1ea9m th\u00ec ph\u1ea3i \u0111\u01b0\u1ee3c ti\u1ec1n x\u1eed l\u00fd b\u1eb1ng h\u00f3a ch\u1ea5t.<\/p>\n

        –\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 K\u00edch th\u01b0\u1edbc v\u00e0 chi\u1ec1u th\u1edb m\u1eabu g\u1ed7 ph\u1ea3i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf sao cho l\u01b0\u1ee3ng h\u00f3a ch\u1ea5t th\u1ea5m v\u00e0o g\u1ed7 l\u00e0 t\u1ed1t nh\u1ea5t.<\/p>\n

        –\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 G\u1ed7 tr\u01b0\u1edbc t\u1ea9m ph\u1ea3i \u0111\u1ea1t c\u00e1c ti\u00eau chu\u1ea9n v\u1ec1 \u0111\u1ed9 \u1ea9m \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c qu\u00e1 tr\u00ecnh h\u00f3a h\u1ecdc di\u1ec5n ra trong qu\u00e1 tr\u00ecnh gia c\u00f4ng sau t\u1ea9m \u0111\u01b0\u1ee3c di\u1ec5n ra thu\u1eadn l\u1ee3i.<\/p>\n

        –\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u0110\u1ed1i v\u1edbi g\u1ed7 \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 ph\u00e2n t\u00edch th\u00ec ngo\u00e0i c\u00e1c \u0111i\u1ec1u ki\u1ec7n tr\u00ean c\u00f2n ph\u1ea3i \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n c\u00e1c th\u00e0nh ph\u1ea7n ph\u00e2n t\u1eed l\u01b0\u1ee3ng th\u1ea5p (c\u00e1c ch\u1ea5t chi\u1ebft) b\u1eb1ng chi\u1ebft li\u00ean t\u1ee5c trong c\u00e1c dung m\u00f4i kh\u00e1c nhau trong m\u1ed9t kho\u1ea3ng th\u1eddi gian d\u00e0i \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o h\u00ecnh \u1ea3nh k\u1ebft qu\u1ea3 thu \u0111\u01b0\u1ee3c r\u00f5 n\u00e9t.<\/p>\n

          \n
        1. 4.\u00a0\u00a0\u00a0\u00a0 <\/b>K\u1ebft lu\u1eadn<\/b><\/li>\n<\/ol>\n

          Sau 01 n\u0103m tri\u1ec3n khai, \u0111\u1ec1 t\u00e0i d\u00e3 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u b\u01b0\u1edbc \u0111\u1ea7u, x\u00e2y d\u1ef1ng \u0111\u01b0\u1ee3c c\u01a1 s\u1edf l\u00fd thuy\u1ebft cho nghi\u00ean c\u1ee9u bi\u1ebfn t\u00ednh g\u1ed7 b\u1eb1ng h\u1ee3p ch\u1ea5t v\u00f4 c\u01a1, c\u1ee5 th\u1ec3 l\u00e0 x\u00e1c silic v\u00e0 boron. \u0110\u00e3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 h\u1ee3p ch\u1ea5t silic v\u00e0 boron c\u00f3 kh\u1ea3 n\u0103ng n\u00e2ng cao \u0111\u1eb7c t\u00ednh g\u1ed7, l\u00e0 ti\u1ec1n \u0111\u1ec1 t\u1ed1t cho c\u00e1c n\u1ed9i dung nghi\u00ean c\u1ee9u c\u1ee7a c\u00e1c n\u0103m ti\u1ebfp theo.<\/p>\n

           <\/p>\n

          T\u00c0I LI\u1ec6U THAM KH\u1ea2O CH\u00cdNH<\/b><\/p>\n

          \u00a0<\/b><\/p>\n

            \n
          1. Tr\u1ea7n V\u0103n Ch\u1ee9 v\u00e0 CS (2006), Nghi\u00ean c\u1ee9u c\u00f4ng ngh\u1ec7 bi\u1ebfn t\u00ednh g\u1ed7 c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng th\u1ec3 t\u00edch th\u1ea5p th\u00e0nh nguy\u00ean li\u1ec7u c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng cao<\/i>, B\u00e1o c\u00e1o khoa h\u1ecdc,\u00a0 Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc L\u00e2m nghi\u1ec7p.<\/li>\n
          2. V\u0169 Huy \u0110\u1ea1i (2009), Nghi\u00ean c\u1ee9u c\u00e1c gi\u1ea3i ph\u00e1p c\u00f4ng ngh\u1ec7 nh\u1eb1m n\u00e2ng cao t\u00ednh ch\u1ed1ng ch\u1ecbu nh\u1eefng t\u00e1c \u0111\u1ed9ng x\u1ea5u c\u1ee7a m\u00f4i tr\u01b0\u1eddng \u0111\u1ebf s\u1ea3n ph\u1ea9m m\u1ed9c, B\u00e1o c\u00e1o khoa h\u1ecdc, Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc L\u00e2m nghi\u1ec7p.<\/li>\n
          3. Nguy\u1ec5n Th\u1ecb B\u00edch Ng\u1ecdc (2006), Nghi\u00ean c\u1ee9u c\u00f4ng ngh\u1ec7 b\u1ea3o qu\u1ea3n ch\u1ebf bi\u1ebfn g\u1ed7 r\u1eebng tr\u1ed3ng<\/i>. Ch\u01b0\u01a1ng tr\u00ecnh tr\u1ecdng \u0111i\u1ec3m c\u1ea5p B\u1ed9 v\u1ec1 b\u1ea3o qu\u1ea3n ch\u1ebf bi\u1ebfn n\u00f4ng l\u00e2m s\u1ea3n, Vi\u1ec7n khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam.<\/li>\n
          4. Haruhiko Yamaguchi (2003), \u201cSilicic acid: boric acid complexes as wood preservatives- ability of treated wood to reisist termites and combustion\u201d, Wood Science and Technology,<\/i> 37, 287-297.<\/li>\n
          5. Mai C, Militz H (2004), \u201cModification of wood with silicon compounds. Inorganic silicon compounds and sol gel systems\u201d. Wood science and technology<\/i>.<\/li>\n
          6. S. Nami Kartal, Won \u2013 Joung Hwang, Akira Yamamoto, Masaki Tanaka, Kazu matsamura, Yuji Imamura (2007), \u201cWood modification with a commercial silicon emulsion: effects on boron release and decay and termite resistance\u201d, International biodetioration & Biodegradation<\/i>, 60, 189-196.<\/li>\n<\/ol>\n

             <\/p>\n","protected":false},"excerpt":{"rendered":"

            PGS.TS. Nguy\u1ec5n Th\u1ecb B\u00edch Ng\u1ecdc 1. \u0110\u1eb7t v\u1ea5n \u0111\u1ec1 G\u1ed7 r\u1eebng tr\u1ed3ng c\u00f3 nhi\u1ec1u \u01b0u \u0111i\u1ec3m \u0111\u1ec3 l\u00e0m nguy\u00ean li\u1ec7u cho c\u00f4ng nghi\u1ec7p ch\u1ebf bi\u1ebfn g\u1ed7 nh\u01b0ng c\u0169ng b\u1ed9c l\u1ed9 nhi\u1ec1u nh\u01b0\u1ee3c \u0111i\u1ec3m \u0111\u00f3 l\u00e0 \u0111\u1ed9 b\u1ec1n t\u1ef1 nhi\u00ean kh\u00f4ng cao, d\u1ec5 b\u1ecb cong v\u00eanh, n\u1ee9t v\u1ee1. Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam v\u1edbi […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[11],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/14394"}],"collection":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/comments?post=14394"}],"version-history":[{"count":3,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/14394\/revisions"}],"predecessor-version":[{"id":14396,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/14394\/revisions\/14396"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=14394"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=14394"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=14394"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}