{"id":14860,"date":"2024-12-13T09:19:54","date_gmt":"2024-12-13T09:19:54","guid":{"rendered":"https:\/\/www.epicmicron.com\/?p=14860"},"modified":"2024-12-17T07:11:10","modified_gmt":"2024-12-17T07:11:10","slug":"analysis-of-the-heavy-calcium-powder-and-changes-in-d100","status":"publish","type":"post","link":"https:\/\/www.epicmicron.com\/vi\/analysis-of-the-heavy-calcium-powder-and-changes-in-d100\/","title":{"rendered":"Ph\u00e2n t\u00edch b\u1ed9t canxi n\u1eb7ng v\u00e0 thay \u0111\u1ed5i D100"},"content":{"rendered":"

C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u ki\u1ec3m tra k\u00edch th\u01b0\u1edbc h\u1ea1t b\u1eb1ng m\u00e1y ph\u00e2n t\u00edch k\u00edch th\u01b0\u1edbc h\u1ea1t laser sau m\u1ed9t l\u1ea7n ph\u00e2n lo\u1ea1i b\u1ed9t canxi n\u1eb7ng. \u0110\u00e1ng ng\u1ea1c nhi\u00ean l\u00e0 k\u00edch th\u01b0\u1edbc h\u1ea1t m\u1ecbn c\u00f3 s\u1ef1 thay \u0111\u1ed5i v\u00e0 gi\u00e1 tr\u1ecb D100 t\u0103ng l\u00ean. Sau l\u1ea7n ph\u00e2n lo\u1ea1i th\u1ee9 hai, gi\u00e1 tr\u1ecb D100 l\u1ea1i t\u0103ng l\u00ean, d\u1eabn \u0111\u1ebfn s\u1ef1 nh\u1ea7m l\u1eabn h\u01a1n n\u1eefa.<\/p>\n\n\n\n

Ban \u0111\u1ea7u, c\u00f3 nghi ng\u1edd r\u1eb1ng c\u00e1c lo\u1ea1i b\u1ed9t kh\u00e1c c\u00f3 th\u1ec3 \u0111\u00e3 tr\u1ed9n l\u1eabn v\u1edbi b\u1ed9t canxi. Tuy nhi\u00ean, sau khi lo\u1ea1i tr\u1eeb kh\u1ea3 n\u0103ng n\u00e0y, v\u1ea5n \u0111\u1ec1 v\u1eabn ti\u1ebfp di\u1ec5n. V\u00ec v\u1eady, h\u00e3y t\u1eadp trung v\u00e0o quy tr\u00ecnh ph\u00e2n lo\u1ea1i v\u00e0 ph\u01b0\u01a1ng ph\u00e1p ph\u00e1t hi\u1ec7n \u0111\u1ec3 hi\u1ec3u t\u1ea1i sao \u0111i\u1ec1u n\u00e0y x\u1ea3y ra.<\/p>\n\n\n\n

\"B\u1ed9t
B\u1ed9t canxi cacbonat c\u00f3 nhi\u1ec1u k\u00edch th\u01b0\u1edbc h\u1ea1t kh\u00e1c nhau<\/figcaption><\/figure>\n\n\n\n

Lo\u1ea1i tr\u1eeb S\u1ef1 \u00f4 nhi\u1ec5m<\/a>: T\u1eadp trung v\u00e0o Ph\u00e2n lo\u1ea1i v\u00e0 Ph\u00e1t hi\u1ec7n<\/h2>\n\n\n\n

Kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng tr\u1ed9n l\u1eabn v\u1edbi c\u00e1c lo\u1ea1i b\u1ed9t kh\u00e1c, v\u00ec v\u1eady ch\u00fang ta h\u00e3y xem x\u00e9t qu\u00e1 tr\u00ecnh ph\u00e2n lo\u1ea1i v\u00e0 ph\u01b0\u01a1ng ph\u00e1p ph\u00e1t hi\u1ec7n. Sau \u0111\u00e2y l\u00e0 m\u1ed9t ph\u00e2n t\u00edch \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 l\u00e0m r\u00f5.<\/p>\n\n\n\n

Thi\u1ebft b\u1ecb nghi\u1ec1n v\u00e0 ch\u1ee9c n\u0103ng ph\u00e2n lo\u1ea1i<\/h2>\n\n\n\n

C\u00e1c thi\u1ebft b\u1ecb nghi\u1ec1n<\/a> th\u1ed5i c\u00e1c h\u1ea1t b\u1ed9t v\u00e0o b\u1ed9 ph\u00e2n lo\u1ea1i th\u00f4ng qua lu\u1ed3ng kh\u00ed h\u01b0\u1edbng l\u00ean. B\u1ed9 ph\u00e2n lo\u1ea1i n\u00e0y, hay b\u1ed9 ph\u00e2n lo\u1ea1i lu\u1ed3ng kh\u00ed, s\u1eed d\u1ee5ng l\u1ef1c ly t\u00e2m c\u01a1 h\u1ecdc \u0111\u1ec3 t\u0103ng t\u1ed1c c\u00e1c h\u1ea1t b\u1ed9t trong lu\u1ed3ng kh\u00ed. C\u00e1c h\u1ea1t l\u1edbn h\u01a1n b\u1ecb n\u00e9m ra ngo\u00e0i, \u0111\u1eadp v\u00e0o th\u00e0nh s\u1eaft v\u00e0 m\u1ea5t \u0111\u1ed9ng n\u0103ng, khi\u1ebfn ch\u00fang r\u01a1i tr\u1edf l\u1ea1i. Trong khi \u0111\u00f3, c\u00e1c h\u1ea1t nh\u1ecf h\u01a1n v\u1eabn \u1edf gi\u1eefa lu\u1ed3ng kh\u00ed v\u00e0 \u0111\u01b0\u1ee3c \u0111\u01b0a \u0111\u1ebfn b\u1ed9 thu b\u1ee5i ho\u1eb7c c\u00e1c giai \u0111o\u1ea1n x\u1eed l\u00fd ti\u1ebfp theo kh\u00e1c.<\/p>\n\n\n\n

M\u00e1y ph\u00e2n t\u00edch k\u00edch th\u01b0\u1edbc h\u1ea1t b\u1eb1ng laser<\/h3>\n\n\n\n

M\u00e1y ph\u00e2n t\u00edch k\u00edch th\u01b0\u1edbc h\u1ea1t laser ki\u1ec3m tra k\u00edch th\u01b0\u1edbc h\u1ea1t b\u1eb1ng c\u00e1ch \u0111\u1eb7t c\u00e1c h\u1ea1t b\u1ed9t pha lo\u00e3ng v\u00e0o dung d\u1ecbch n\u01b0\u1edbc. M\u00e1y ph\u00e2n t\u00edch s\u1eed d\u1ee5ng ngu\u1ed3n s\u00e1ng \u0111\u01a1n ho\u1eb7c k\u00e9p c\u00f3 b\u01b0\u1edbc s\u00f3ng c\u1ee5 th\u1ec3 \u0111\u1ec3 t\u1ea1o ra s\u1ef1 giao thoa ho\u1eb7c nhi\u1ec5u x\u1ea1. N\u00f3 d\u1ef1a v\u00e0o c\u00e1c m\u00f4 h\u00ecnh nh\u01b0 M\u00ccNH<\/strong> ho\u1eb7c Vi\u1ec7n Fraunhofer<\/strong> \u0111\u1ec3 m\u00f4 ph\u1ecfng s\u1ef1 t\u01b0\u01a1ng t\u00e1c c\u1ee7a \u00e1nh s\u00e1ng v\u1edbi c\u00e1c h\u1ea1t. Sau \u0111\u00f3, n\u00f3 t\u00ednh to\u00e1n d\u1eef li\u1ec7u th\u1ed1ng k\u00ea v\u1ec1 \u0111\u01b0\u1eddng k\u00ednh th\u1ec3 t\u00edch.<\/p>\n\n\n\n

M\u00f4 h\u00ecnh MIE<\/strong>: Ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho k\u00edch th\u01b0\u1edbc h\u1ea1t \u1edf m\u1ee9c nanomet.<\/p>\n\n\n\n

M\u00f4 h\u00ecnh Fraunhofer (M\u00f4 h\u00ecnh F)<\/strong>: Ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi c\u00e1c h\u1ea1t c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn h\u01a1n.<\/p>\n\n\n\n

Nguy\u00ean l\u00fd \u0111\u1eb1ng sau c\u00e1c m\u00f4 h\u00ecnh n\u00e0y r\u1ea5t ph\u1ee9c t\u1ea1p, nh\u01b0ng m\u1ed7i m\u00f4 h\u00ecnh \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang cho c\u00e1c ph\u1ea1m vi k\u00edch th\u01b0\u1edbc h\u1ea1t kh\u00e1c nhau \u0111\u1ec3 ph\u1ee5c v\u1ee5 cho m\u1ee5c \u0111\u00edch ph\u00e2n t\u00edch c\u1ee7a ch\u00fang t\u00f4i.<\/p>\n\n\n\n

T\u1ea1i sao D100 ti\u1ebfp t\u1ee5c t\u0103ng?<\/h2>\n\n\n\n

Khi b\u1ed9t tr\u1ea3i qua nhi\u1ec1u l\u1ea7n ph\u00e2n lo\u1ea1i, gi\u00e1 tr\u1ecb D100 (k\u00edch th\u01b0\u1edbc h\u1ea1t m\u00e0 100% c\u1ee7a v\u1eadt li\u1ec7u nh\u1ecf h\u01a1n) c\u00f3 th\u1ec3 t\u0103ng l\u00ean theo t\u1eebng l\u1ea7n ph\u00e2n lo\u1ea1i. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng l\u00e0 do nh\u1eefng l\u00fd do sau:<\/p>\n\n\n\n

    \n
  • Ph\u00e2n ph\u1ed1i l\u1ea1i h\u1ea1t<\/strong>: Sau m\u1ed7i l\u1ea7n ph\u00e2n lo\u1ea1i, c\u00e1c h\u1ea1t m\u1ecbn h\u01a1n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf, \u0111\u1ec3 l\u1ea1i t\u1ef7 l\u1ec7 l\u1edbn h\u01a1n c\u00e1c h\u1ea1t th\u00f4 h\u01a1n. K\u1ebft qu\u1ea3 l\u00e0 s\u1ef1 thay \u0111\u1ed5i t\u1ed5ng th\u1ec3 trong ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t, d\u1eabn \u0111\u1ebfn s\u1ef1 gia t\u0103ng gi\u00e1 tr\u1ecb D100.<\/li>\n\n\n\n
  • Hi\u1ec7u qu\u1ea3 ph\u00e2n lo\u1ea1i<\/strong>: Hi\u1ec7u qu\u1ea3 c\u1ee7a b\u1ed9 ph\u00e2n lo\u1ea1i c\u00f3 th\u1ec3 thay \u0111\u1ed5i, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi x\u1eed l\u00fd b\u1ed9t c\u00f3 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t r\u1ed9ng. Ph\u00e2n lo\u1ea1i kh\u00f4ng nh\u1ea5t qu\u00e1n c\u00f3 th\u1ec3 cho ph\u00e9p c\u00e1c h\u1ea1t m\u1ecbn h\u01a1n x\u00e2m nh\u1eadp l\u1ea1i h\u1ec7 th\u1ed1ng, g\u00e2y ra nh\u1eefng thay \u0111\u1ed5i trong k\u1ebft qu\u1ea3 k\u00edch th\u01b0\u1edbc h\u1ea1t.<\/li>\n\n\n\n
  • Ph\u01b0\u01a1ng ph\u00e1p \u0111o l\u01b0\u1eddng S\u1ef1 thay \u0111\u1ed5i<\/strong>:C\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch k\u00edch th\u01b0\u1edbc h\u1ea1t b\u1eb1ng laser, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c m\u00f4 h\u00ecnh MIE v\u00e0 Fraunhofer, c\u00f3 th\u1ec3 g\u00e2y ra s\u1ef1 kh\u00e1c bi\u1ec7t trong ph\u00e9p \u0111o t\u00f9y thu\u1ed9c v\u00e0o b\u1ea3n ch\u1ea5t c\u1ee7a c\u00e1c h\u1ea1t v\u00e0 b\u01b0\u1edbc s\u00f3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n.<\/li>\n<\/ul>\n\n\n\n

    Vai tr\u00f2 c\u1ee7a D97, D98 v\u00e0 D100 trong Ph\u00e2n t\u00edch k\u00edch th\u01b0\u1edbc h\u1ea1t b\u1eb1ng laser<\/h3>\n\n\n\n

    Trong l\u0129nh v\u1ef1c ph\u00e2n t\u00edch k\u00edch th\u01b0\u1edbc h\u1ea1t, ph\u1ea7n l\u1edbn s\u1ef1 t\u1eadp trung c\u00f3 xu h\u01b0\u1edbng h\u01b0\u1edbng \u0111\u1ebfn D97<\/strong>\u00a0ho\u1eb7c D98<\/strong>\u00a0gi\u00e1 tr\u1ecb, \u0111\u1ea1i di\u1ec7n cho k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1eaft h\u00e0ng \u0111\u1ea7u. Trong khi c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u hi\u1ebfm khi th\u1ea3o lu\u1eadn D100<\/strong>. Tuy nhi\u00ean, n\u1ebfu b\u1ea1n ki\u1ec3m tra k\u1ef9 l\u01b0\u1ee1ng k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m t\u1eeb m\u00e1y ph\u00e2n t\u00edch k\u00edch th\u01b0\u1edbc h\u1ea1t laser\u2014cho d\u00f9 t\u1eeb Malvern, Bexter hay c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c\u2014b\u1ea1n s\u1ebd nh\u1eadn th\u1ea5y r\u1eb1ng D97<\/strong>\u00a0V\u00e0 D100<\/strong>\u00a0gi\u00e1 tr\u1ecb c\u00f3 th\u1ec3 kh\u00e1c nhau \u0111\u00e1ng k\u1ec3. S\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y, th\u01b0\u1eddng trong kho\u1ea3ng t\u1eeb 0,02% \u0111\u1ebfn 0,04%, l\u00e0m n\u1ed5i b\u1eadt s\u1ef1 ph\u1ee9c t\u1ea1p li\u00ean quan \u0111\u1ebfn ph\u00e9p \u0111o k\u00edch th\u01b0\u1edbc h\u1ea1t.<\/p>\n\n\n\n

    Hi\u1ec3u gi\u00e1 tr\u1ecb<\/h3>\n\n\n\n

    C\u00e1c D100<\/strong> gi\u00e1 tr\u1ecb bi\u1ec3u th\u1ecb k\u00edch th\u01b0\u1edbc h\u1ea1t m\u00e0 100% c\u1ee7a m\u1eabu nh\u1ecf h\u01a1n. M\u1eb7c d\u00f9 gi\u00e1 tr\u1ecb n\u00e0y c\u00f3 v\u1ebb quan tr\u1ecdng, nh\u01b0ng n\u00f3 th\u01b0\u1eddng b\u1ecb lu m\u1edd b\u1edfi D97<\/strong> V\u00e0 D98<\/strong> ph\u00e9p \u0111o, t\u1eadp trung v\u00e0o \u0111i\u1ec3m c\u1eaft tr\u00ean c\u00f9ng. S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u00e1c gi\u00e1 tr\u1ecb D97 v\u00e0 D100 kh\u00f4ng nh\u1ea5t thi\u1ebft l\u00e0 do l\u1ed7i trong qu\u00e1 tr\u00ecnh \u0111o, m\u00e0 l\u00e0 do b\u1ea3n ch\u1ea5t gi\u00e1n ti\u1ebfp<\/strong> c\u1ee7a ph\u00e2n t\u00edch k\u00edch th\u01b0\u1edbc h\u1ea1t b\u1eb1ng laser.<\/p>\n\n\n\n

    M\u00e1y ph\u00e2n t\u00edch k\u00edch th\u01b0\u1edbc h\u1ea1t laser: Ph\u01b0\u01a1ng ph\u00e1p ph\u00e1t hi\u1ec7n gi\u00e1n ti\u1ebfp<\/h3>\n\n\n\n

    M\u00e1y ph\u00e2n t\u00edch k\u00edch th\u01b0\u1edbc h\u1ea1t b\u1eb1ng laser, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u00e1y c\u1ee7a Malvern ho\u1eb7c Bexter, s\u1eed d\u1ee5ng s\u1ef1 can thi\u1ec7p<\/strong> ho\u1eb7c s\u1ef1 nhi\u1ec5u x\u1ea1<\/strong> c\u00e1c m\u00f4 h\u00ecnh \u0111\u1ec3 \u01b0\u1edbc t\u00ednh k\u00edch th\u01b0\u1edbc c\u1ee7a c\u00e1c h\u1ea1t b\u1ed9t. C\u00e1c m\u00e1y ph\u00e2n t\u00edch n\u00e0y \u00e1p d\u1ee5ng c\u00e1c m\u00f4 h\u00ecnh to\u00e1n h\u1ecdc c\u1ee5 th\u1ec3, ch\u1eb3ng h\u1ea1n nh\u01b0 M\u00ccNH<\/strong> ho\u1eb7c Vi\u1ec7n Fraunhofer<\/strong> m\u00f4 h\u00ecnh, \u0111\u1ec3 t\u00ednh to\u00e1n \u0111\u01b0\u1eddng k\u00ednh th\u1ec3 t\u00edch d\u1ef1a tr\u00ean s\u00f3ng giao thoa \u0111\u01b0\u1ee3c t\u1ea1o ra khi \u00e1nh s\u00e1ng t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c h\u1ea1t b\u1ed9t.<\/p>\n\n\n\n

    Tuy nhi\u00ean, qu\u00e1 tr\u00ecnh n\u00e0y l\u00e0 gi\u00e1n ti\u1ebfp<\/strong>\u2014c\u00e1c m\u00f4 h\u00ecnh d\u1ef1a v\u00e0o c\u00e1c t\u00ednh to\u00e1n th\u1ed1ng k\u00ea h\u01a1n l\u00e0 ph\u00e9p \u0111o tr\u1ef1c ti\u1ebfp. Do \u0111\u00f3, c\u00f3 th\u1ec3 x\u1ea3y ra s\u1ef1 kh\u00f4ng ch\u00ednh x\u00e1c, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u1ef1c \u0111oan<\/strong>\u00a0c\u1ee7a ph\u1ea1m vi k\u00edch th\u01b0\u1edbc h\u1ea1t, ch\u1eb3ng h\u1ea1n nh\u01b0 k\u00edch th\u01b0\u1edbc h\u1ea1t nh\u1ecf nh\u1ea5t (0%) v\u00e0 l\u1edbn nh\u1ea5t (100%). B\u1ea3n ch\u1ea5t th\u1ed1ng k\u00ea n\u00e0y c\u00f3 ngh\u0129a l\u00e0 ph\u00e2n t\u00edch c\u00f3 th\u1ec3 lo\u1ea1i tr\u1eeb v\u1ec1 m\u1eb7t th\u1ed1ng k\u00ea m\u1ed9t s\u1ed1 h\u1ea1t l\u1edbn nh\u1ea5t \u0111\u1ecbnh, c\u00f3 th\u1ec3 qu\u00e1 hi\u1ebfm ho\u1eb7c qu\u00e1 l\u1edbn so v\u1edbi b\u01b0\u1edbc s\u00f3ng \u00e1nh s\u00e1ng.<\/p>\n\n\n\n

    S\u1ef1 kh\u00f4ng ch\u00ednh x\u00e1c v\u1ec1 m\u1eb7t th\u1ed1ng k\u00ea trong c\u00e1c h\u1ea1t l\u1edbn v\u00e0 nh\u1ecf<\/h3>\n\n\n\n

    \u0110\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a m\u00e1y ph\u00e2n t\u00edch k\u00edch th\u01b0\u1edbc h\u1ea1t laser th\u01b0\u1eddng b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi ng\u01b0\u1ee1ng th\u1ed1ng k\u00ea<\/strong> \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp b\u1edfi c\u00e1c m\u00f4 h\u00ecnh. Khi c\u00f3 m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng nh\u1ecf<\/strong> c\u1ee7a c\u00e1c h\u1ea1t r\u1ea5t m\u1ecbn, ch\u00fang c\u00f3 th\u1ec3 b\u1ecb b\u1ecf qua do h\u1ea1n ch\u1ebf l\u1ea5y m\u1eabu th\u1ed1ng k\u00ea. Ng\u01b0\u1ee3c l\u1ea1i, khi s\u1ed1 l\u01b0\u1ee3ng c\u00e1c h\u1ea1t th\u00f4 h\u01a1n t\u0103ng l\u00ean, ch\u00fang s\u1ebd \u0111i v\u00e0o nh\u00f3m m\u1eabu v\u00e0 g\u00f3p ph\u1ea7n v\u00e0o ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t quan s\u00e1t \u0111\u01b0\u1ee3c. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn D100<\/strong> c\u00e1c gi\u00e1 tr\u1ecb b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi c\u00e1c ng\u01b0\u1ee1ng th\u1ed1ng k\u00ea n\u00e0y, v\u1ed1n c\u00f3 li\u00ean quan ch\u1eb7t ch\u1ebd \u0111\u1ebfn kh\u1ea3 n\u0103ng t\u00e1i t\u1ea1o v\u00e0 gi\u1edbi h\u1ea1n ph\u00e1t hi\u1ec7n c\u1ee7a m\u00e1y ph\u00e2n t\u00edch.<\/p>\n\n\n\n

    Ph\u1ea7n k\u1ebft lu\u1eadn<\/h2>\n\n\n\n

    M\u00e1y ph\u00e2n t\u00edch k\u00edch th\u01b0\u1edbc h\u1ea1t laser cung c\u1ea5p d\u1eef li\u1ec7u th\u1ed1ng k\u00ea c\u00f3 gi\u00e1 tr\u1ecb th\u00f4ng qua ph\u01b0\u01a1ng ph\u00e1p \u0111o gi\u00e1n ti\u1ebfp. Ch\u00fang cung c\u1ea5p kh\u1ea3 n\u0103ng t\u00e1i t\u1ea1o trong m\u1ed9t s\u1ed1 ph\u1ea1m vi k\u00edch th\u01b0\u1edbc h\u1ea1t nh\u1ea5t \u0111\u1ecbnh v\u00e0 r\u1ea5t h\u1eefu \u00edch \u0111\u1ec3 h\u01b0\u1edbng d\u1eabn c\u00e1c quy tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 \u1ee9ng d\u1ee5ng. B\u1ed9t bao g\u1ed3m nhi\u1ec1u k\u00edch th\u01b0\u1edbc h\u1ea1t kh\u00e1c nhau v\u00e0 vi\u1ec7c ph\u00e2n t\u00edch c\u00e1c h\u1ea1t n\u00e0y \u0111\u00f2i h\u1ecfi ph\u1ea3i hi\u1ec3u c\u1ea3 c\u00e1c h\u1ea1t c\u1ef1c m\u1ecbn v\u00e0 c\u1ef1c th\u00f4. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111o tr\u1ef1c ti\u1ebfp, ch\u1eb3ng h\u1ea1n nh\u01b0 k\u00ednh hi\u1ec3n vi \u0111i\u1ec7n t\u1eed, cung c\u1ea5p ph\u01b0\u01a1ng ph\u00e1p ti\u1ebfp c\u1eadn tr\u1ef1c quan ch\u00ednh x\u00e1c h\u01a1n \u0111\u1ec3 quan s\u00e1t k\u00edch th\u01b0\u1edbc h\u1ea1t nh\u01b0ng th\u01b0\u1eddng t\u1ed1n nhi\u1ec1u t\u00e0i nguy\u00ean h\u01a1n.<\/p>\n\n\n\n

    Hi\u1ec3u \u0111\u01b0\u1ee3c l\u00fd do \u0111\u1eb1ng sau nhi\u1ec1u ph\u00e2n lo\u1ea1i b\u1ed9t canxi n\u1eb7ng v\u00e0 nh\u1eefng thay \u0111\u1ed5i trong D100 li\u00ean quan \u0111\u1ebfn vi\u1ec7c xem x\u00e9t c\u1ea3 qu\u00e1 tr\u00ecnh ph\u00e2n lo\u1ea1i v\u00e0 nh\u1eefng h\u1ea1n ch\u1ebf c\u1ee7a c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u00e1t hi\u1ec7n. C\u00e1c chu k\u1ef3 ph\u00e2n lo\u1ea1i nhi\u1ec1u l\u1ea7n v\u00e0 h\u00e0nh vi c\u1ee7a b\u1ed9 ph\u00e2n lo\u1ea1i, c\u0169ng nh\u01b0 c\u00e1c m\u00f4 h\u00ecnh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1edfi m\u00e1y ph\u00e2n t\u00edch k\u00edch th\u01b0\u1edbc h\u1ea1t laser, t\u1ea5t c\u1ea3 \u0111\u1ec1u \u0111\u00f3ng vai tr\u00f2 trong nh\u1eefng thay \u0111\u1ed5i quan s\u00e1t \u0111\u01b0\u1ee3c trong ph\u00e2n ph\u1ed1i k\u00edch th\u01b0\u1edbc h\u1ea1t. B\u1eb1ng c\u00e1ch t\u1ed1i \u01b0u h\u00f3a qu\u00e1 tr\u00ecnh ph\u00e2n lo\u1ea1i v\u00e0 \u0111\u1ea3m b\u1ea3o c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u00e1t hi\u1ec7n nh\u1ea5t qu\u00e1n, v\u1ea5n \u0111\u1ec1 t\u0103ng gi\u00e1 tr\u1ecb D100 c\u00f3 th\u1ec3 gi\u1ea3m.<\/p>\n\n\n\n

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