{"id":305,"date":"2017-01-12T11:22:44","date_gmt":"2017-01-12T04:22:44","guid":{"rendered":"http:\/\/snt.com.vn\/blogit\/?p=305"},"modified":"2017-01-12T11:22:44","modified_gmt":"2017-01-12T04:22:44","slug":"bi-vo-hoi-kho-vi-sao-bao-cat-lai-chan-duoc-vien-dan-dang-bay","status":"publish","type":"post","link":"https:\/\/snt.com.vn\/blog\/bi-vo-hoi-kho-vi-sao-bao-cat-lai-chan-duoc-vien-dan-dang-bay\/","title":{"rendered":"[B\u1ecb v\u1ee3 h\u1ecfi kh\u00f3] V\u00ec sao bao c\u00e1t l\u1ea1i ch\u1eb7n \u0111\u01b0\u1ee3c vi\u00ean \u0111\u1ea1n \u0111ang bay?"},"content":{"rendered":"

\u0110\u00e3 bao gi\u1edd b\u1ea1n t\u1ef1 h\u1ecfi: T\u1ea1i sao vi\u00ean \u0111\u1ea1n c\u00f3 th\u1ec3 ph\u00e1 \u0111\u01b0\u1ee3c b\u00ea t\u00f4ng, \u0111\u00e1, th\u00e9p m\u00e0 l\u1ea1i kh\u00f4ng \u0111\u00e2m \u0111\u01b0\u1ee3c qua bao c\u00e1t? V\u00ec sao khi ta d\u00f9ng ng\u00f3n tay \u1ea5n v\u00e0o c\u00e1t th\u00ec th\u1ea5y r\u1ea5t d\u1ec5 d\u00e0ng, c\u00f2n vi\u00ean \u0111\u1ea1n \u0111\u00e2m v\u00e0o c\u00e1t th\u00ec l\u1ea1i ch\u1eb3ng th\u1ec3 xuy\u00ean qua?<\/h2>\n
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Bao c\u00e1t l\u00e0 m\u1ed9t trong nh\u1eefng th\u00e0nh ph\u1ea7n thi\u1ebft y\u1ebfu ph\u1ea3i c\u00f3 khi x\u00e2y d\u1ef1ng c\u00f4ng s\u1ef1, h\u1ea7m h\u00e0o qu\u00e2n s\u1ef1 ho\u1eb7c l\u00e0m nh\u1eefng b\u1ee9c t\u01b0\u1eddng ng\u0103n n\u01b0\u1edbc, ch\u1ed1ng s\u1ea1t l\u1edf. Nh\u1eefng bao c\u00e1t khi \u0111\u01b0\u1ee3c x\u1ebfp h\u1ee3p l\u00fd, \u0111\u00fang k\u1ef9 thu\u1eadt s\u1ebd t\u1ea1o th\u00e0nh n\u01a1i tr\u00fa \u1ea9n r\u1ea5t v\u1eefng ch\u1eafc, th\u1eadm ch\u00ed c\u00f3 th\u1ec3 b\u1ea3o v\u1ec7 con ng\u01b0\u1eddi kh\u1ecfi b\u1ee9c x\u1ea1. T\u1eeb tr\u01b0\u1edbc th\u1ebf k\u1ef7 th\u1ee9 18, l\u1ecbch s\u1eed qu\u00e2n s\u1ef1 th\u1ebf gi\u1edbi \u0111\u00e3 ghi nh\u1eadn v\u1ec1 vi\u1ec7c s\u1eed d\u1ee5ng bao c\u00e1t trong c\u00f4ng s\u1ef1 \u0111\u1ec3 ch\u1eafn \u0111\u1ea1n, th\u1ebf nh\u01b0ng th\u1eadt ng\u1ea1c nhi\u00ean l\u00e0 t\u1edbi nay l\u1ea1i c\u00f3 kh\u00f4ng nhi\u1ec1u th\u00f4ng tin gi\u1ea3i th\u00edch v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0111\u1ea1n k\u1ef3 di\u1ec7u c\u1ee7a bao c\u00e1t.<\/p>\n

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C\u00e1t l\u00e0 v\u1eadt li\u1ec7u d\u1ec5 ki\u1ebfm, r\u1ebb ti\u1ec1n v\u00e0 v\u00f4 c\u00f9ng h\u1eefu d\u1ee5ng trong qu\u00e2n s\u1ef1<\/p>\n<\/div>\n<\/div>\n

C\u00f3 l\u1ebd m\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u th\u1ea5y vi\u1ec7c d\u00f9ng bao c\u00e1t \u0111\u1ec3 ch\u1eafn \u0111\u1ea1n l\u00e0 \u0111i\u1ec1u qu\u00e1 \u01b0 hi\u1ec3n nhi\u00ean, ch\u1eb3ng c\u00f3 g\u00ec l\u1ea1 c\u1ea3. Th\u1ebf nh\u01b0ng m\u1ed9t l\u1ea7n khi m\u00ecnh \u0111ang xem tivi th\u00ec v\u1ee3 h\u1ecfi: “T\u1ea1i sao vi\u00ean \u0111\u1ea1n c\u00f3 th\u1ec3 ph\u00e1 \u0111\u01b0\u1ee3c b\u00ea t\u00f4ng, \u0111\u00e1, th\u00e9p m\u00e0 l\u1ea1i kh\u00f4ng \u0111\u00e2m \u0111\u01b0\u1ee3c qua bao c\u00e1t? V\u00ec sao khi d\u00f9ng ng\u00f3n tay \u1ea5n v\u00e0o c\u00e1t th\u00ec th\u1ea5y r\u1ea5t d\u1ec5 d\u00e0ng, c\u00f2n vi\u00ean \u0111\u1ea1n \u0111\u00e2m v\u00e0o c\u00e1t th\u00ec l\u1ea1i ch\u1eb3ng th\u1ec3 xuy\u00ean n\u1ed5i?”.<\/i> \u1eea, qu\u1ea3 th\u1eadt ngay l\u00fac \u0111\u00f3 m\u00ecnh c\u0169ng ch\u01b0a th\u1ec3 n\u00e0o tr\u1ea3 l\u1eddi ngay \u0111\u1ec3 l\u00e0m cho v\u1ee3 th\u1ea5y thuy\u1ebft ph\u1ee5c \u0111\u01b0\u1ee3c, v\u00ec x\u01b0a nay v\u1ed1n ch\u1eb3ng bao gi\u1edd th\u1eafc m\u1eafc “v\u00ec sao c\u00e1t n\u00f3 l\u1ea1i gi\u1ecfi th\u1ebf”.<\/i><\/p>\n

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Xe t\u0103ng M4A3 Sherman v\u1edbi l\u1edbp ch\u1ed1ng \u0111\u1ea1n b\u1eb1ng nh\u1eefng bao c\u00e1t x\u1ebfp quanh<\/p>\n<\/div>\n<\/div>\n

V\u00e0 b\u00e2y gi\u1edd th\u00ec hy v\u1ecdng l\u1eddi gi\u1ea3i th\u00edch nh\u01b0 th\u1ebf n\u00e0y s\u1ebd l\u00e0 h\u1ee3p l\u00fd:<\/p>\n

C\u00e1t l\u00e0 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u \u0111\u1eb7c bi\u1ec7t m\u00e0 ng\u01b0\u1eddi ta v\u1eabn g\u1ecdi l\u00e0 “phi Newton” (Non-Newtonian fluid). Thu\u1ed9c t\u00ednh c\u1ee7a n\u00f3 thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a l\u1ef1c t\u00e1c d\u1ee5ng l\u00ean n\u00f3. Khi ta t\u00e1c \u0111\u1ed9ng m\u1ed9t l\u1ef1c nh\u1ecf, v\u00ed d\u1ee5 nh\u01b0 \u1ea5n ng\u00f3n tay v\u00e0o c\u00e1t th\u00ec c\u00e1t l\u00fac n\u00e0y s\u1ebd gi\u1ed1ng nh\u01b0 m\u1ed9t ch\u1ea5t r\u1eafn c\u00f3 m\u1eadt \u0111\u1ed9 th\u1ea5p (ho\u1eb7c ch\u1ea5t l\u1ecfng) v\u00e0 t\u1eebng h\u1ea1t c\u00e1t nh\u1ecf b\u00e9 s\u1ebd t\u1eeb t\u1eeb nh\u00edch ra \u0111\u1ec3 \u201cnh\u01b0\u1eddng \u0111\u01b0\u1eddng\u201d cho ng\u00f3n tay \u0111i qua. Th\u1ebf nh\u01b0ng n\u1ebfu l\u1ef1c t\u00e1c \u0111\u1ed9ng c\u00f3 \u0111\u1ed9 l\u1edbn v\u00e0 gia t\u1ed1c \u0111\u00e1ng k\u1ec3 (vi\u00ean \u0111\u1ea1n \u0111ang bay) th\u00ec c\u00e1c h\u1ea1t c\u00e1t kh\u00f4ng x\u00f4 nhau ra k\u1ecbp khi\u1ebfn c\u00e1t b\u1ecb n\u00e9n l\u1ea1i. Khi \u0111\u00f3 c\u00e1t l\u1ea1i ph\u1ea3n \u1ee9ng nh\u01b0 m\u1ed9t ch\u1ea5t r\u1eafn \u2013 c\u1ea3n tr\u1edf chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a vi\u00ean \u0111\u1ea1n v\u00e0 gi\u1eef n\u00f3 l\u1ea1i.<\/p>\n

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C\u00e1t v\u00e0 b\u1ed9t ng\u00f4 c\u00f9ng ph\u1ea3n \u1ee9ng v\u1edbi l\u1ef1c t\u00e1c \u0111\u1ed9ng theo c\u00e1ch \u0111\u1eb7c bi\u1ec7t<\/p>\n<\/div>\n<\/div>\n

M\u1ed9t th\u00ed nghi\u1ec7m \u0111\u01a1n gi\u1ea3n m\u00e0 c\u00e1c b\u1ea1n c\u00f3 th\u1ec3 t\u1ef1 l\u00e0m t\u1ea1i nh\u00e0: \u0111\u1ed5 b\u1ed9t ng\u00f4 v\u00e0o n\u01b0\u1edbc v\u00e0 khu\u1ea5y l\u00ean. N\u1ebfu ch\u1ec9 khu\u1ea5y nh\u1eb9, b\u1ed9t ng\u00f4 v\u00e0 n\u01b0\u1edbc s\u1ebd chuy\u1ec3n \u0111\u1ed9ng gi\u1ed1ng nh\u01b0 ch\u1ea5t l\u1ecfng b\u00ecnh th\u01b0\u1eddng, nh\u01b0ng khi khu\u1ea5y m\u1ea1nh l\u00ean th\u00ec ch\u1ea5t l\u1ecfng \u1ea5y s\u1ebd \u0111\u1eb7c s\u1ec7t l\u1ea1i v\u00e0 m\u1ea5t nhi\u1ec1u s\u1ee9c h\u01a1n \u0111\u1ec3 khu\u1ea5y. Th\u1eadm ch\u00ed b\u1ea1n c\u00f2n c\u00f3 th\u1ec3 n\u1eb7n kh\u1ed1i dung d\u1ecbch \u1ea5y th\u00e0nh m\u1ed9t qu\u1ea3 b\u00f3ng b\u1ed9t ng\u00f4 n\u1ebfu tay b\u1ea1n xoay \u0111\u1ee7 nhanh.<\/p>\n

Ch\u1eafc h\u1eb3n c\u00e1c b\u1ea1n \u0111\u00e3 t\u1eebng nghe qua v\u1ec1 \u00e1o gi\u00e1p ch\u1ed1ng \u0111\u1ea1n b\u1eb1ng ch\u1ea5t l\u1ecfng STF \u2013 Shear Thickening Fluid? B\u1ea3n ch\u1ea5t c\u1ee7a n\u00f3 c\u0169ng gi\u1ed1ng nh\u01b0 c\u00e1t v\u00e0 dung d\u1ecbch b\u1ed9t ng\u00f4 v\u1eady: trong \u0111i\u1ec1u ki\u1ec7n th\u01b0\u1eddng STF c\u00f3 tr\u1ea1ng th\u00e1i l\u1ecfng, th\u1ebf nh\u01b0ng khi b\u1ecb khu\u1ea5y \u0111\u1ed9ng hay c\u00f3 l\u1ef1c t\u00e1c d\u1ee5ng v\u00e0o th\u00ec n\u00f3 s\u1ebd l\u1eadp t\u1ee9c tr\u1edf n\u00ean c\u1ee9ng l\u1ea1i ch\u1ec9 trong v\u00e0i mili gi\u00e2y.<\/p>\n

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C\u00e1c ph\u00e2n t\u1eed s\u1ebd li\u00ean k\u1ebft ch\u1eb7t v\u1edbi nhau khi c\u00f3 l\u1ef1c t\u00e1c \u0111\u1ed9ng, v\u00e0 t\u00e1ch nhau ra khi \u1edf tr\u1ea1ng th\u00e1i b\u00ecnh th\u01b0\u1eddng<\/p>\n<\/div>\n<\/div>\n

V\u1eadt l\u00fd c\u1ea5p 3 c\u00f3 nhi\u1ec1u b\u00e0i v\u1ec1 vi\u00ean \u0111\u1ea1n b\u1eafn bao c\u00e1t nh\u01b0ng to\u00e0n ch\u1ec9 h\u1ecfi v\u1ec1 va ch\u1ea1m m\u1ec1m nh\u01b0 g\u00f3c l\u1ec7ch, khi n\u00e0o \u0111\u1ee9t d\u00e2y,… c\u00f2n kh\u00f4ng th\u1ea5y l\u00fd gi\u1ea3i v\u1ee5 v\u00ec sao bao c\u00e1t ch\u1eafn \u0111\u01b0\u1ee3c \u0111\u1ea1n. H\u00e3y c\u00f9ng nhau nh\u1edb l\u1ea1i \u0111\u1ecbnh lu\u1eadt 3 Newton: \u0110\u1ed1i v\u1edbi m\u1ed7i l\u1ef1c t\u00e1c \u0111\u1ed9ng bao gi\u1edd c\u0169ng c\u00f3 m\u1ed9t ph\u1ea3n l\u1ef1c c\u00f9ng \u0111\u1ed9 l\u1edbn, n\u00f3i c\u00e1ch kh\u00e1c, c\u00e1c l\u1ef1c t\u01b0\u01a1ng t\u00e1c gi\u1eefa hai v\u1eadt bao gi\u1edd c\u0169ng l\u00e0 nh\u1eefng c\u1eb7p l\u1ef1c c\u00f9ng \u0111\u1ed9 l\u1edbn, c\u00f9ng ph\u01b0\u01a1ng, ng\u01b0\u1ee3c chi\u1ec1u v\u00e0 kh\u00e1c \u0111i\u1ec3m \u0111\u1eb7t.<\/p>\n

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\u0110\u1ecbnh lu\u1eadt 3 Newton v\u1ec1 l\u1ef1c v\u00e0 ph\u1ea3n l\u1ef1c<\/p>\n<\/div>\n<\/div>\n

Hi\u1ec3u m\u1ed9t c\u00e1ch n\u00f4m na th\u00ec khi hai v\u1eadt, A v\u00e0 B, t\u01b0\u01a1ng t\u00e1c, th\u00ec l\u1ef1c do A t\u00e1c d\u1ee5ng l\u00ean B b\u1eb1ng v\u1ec1 \u0111\u1ed9 l\u1edbn v\u1edbi l\u1ef1c do B t\u00e1c d\u1ee5ng l\u00ean A, nh\u01b0ng hai l\u1ef1c t\u00e1c d\u1ee5ng ng\u01b0\u1ee3c chi\u1ec1u nhau. Suy r\u1ed9ng ra: trong t\u01b0\u01a1ng t\u00e1c, A l\u00e0m thay \u0111\u1ed5i \u0111\u1ed9ng l\u01b0\u1ee3ng c\u1ee7a B bao nhi\u00eau th\u00ec \u0111\u1ed9ng l\u01b0\u1ee3ng c\u1ee7a A c\u0169ng b\u1ecb thay \u0111\u1ed5i b\u1ea5y nhi\u00eau theo chi\u1ec1u ng\u01b0\u1ee3c l\u1ea1i.<\/p>\n

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Vi\u00ean \u0111\u1ea1n b\u1eafn tr\u00fang bao c\u00e1t, v\u00e0 bao c\u00e1t c\u0169ng sinh ra m\u1ed9t l\u1ef1c t\u01b0\u01a1ng \u0111\u01b0\u01a1ng t\u00e1c \u0111\u1ed9ng l\u00ean vi\u00ean \u0111\u1ea1n \u0111\u1ec3 ng\u0103n n\u00f3 l\u1ea1i. N\u1ebfu kh\u00f4ng c\u00f3 bao b\u00ean ngo\u00e0i th\u00ec c\u00e1t s\u1ebd bay theo m\u1ecdi h\u01b0\u1edbng. Ch\u00ednh chi\u1ebfc bao c\u00f3 t\u00e1c d\u1ee5ng gi\u1eef cho c\u00e1t kh\u00f4ng b\u1ecb r\u1eddi nhau ra, v\u00e0 m\u1ed7i khi m\u1ed9t vi\u00ean \u0111\u1ea1n xuy\u00ean v\u00e0o th\u00ec l\u1eadp t\u1ee9c c\u00e1t l\u1ea1i l\u1ea5p lu\u00f4n l\u1ed7 \u0111\u1ea1n, khi\u1ebfn cho h\u00e0ng r\u00e0o bao c\u00e1t t\u1ed3n t\u1ea1i \u0111\u01b0\u1ee3c l\u00e2u. V\u00e0 c\u00e1t \u0111\u00e3 bi\u1ebfn c\u01a1 n\u0103ng c\u1ee7a vi\u00ean \u0111\u1ea1n g\u1ea7n nh\u01b0 ho\u00e0n to\u00e0n th\u00e0nh nhi\u1ec7t, \u0111\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao ch\u00fang ta th\u1ea5y nh\u1eefng ch\u1ed7 tr\u00fang \u0111\u1ea1n tr\u00ean bao c\u00e1t l\u1ea1i n\u00f3ng l\u00ean.<\/p>\n

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Th\u1eed nghi\u1ec7m \u0111\u1ea1n \u0111\u1ea1o v\u1edbi bao c\u00e1t<\/p>\n<\/div>\n<\/div>\n

Ng\u00f3n tay ta c\u00f3 th\u1ec3 \u0111\u00e2m qua c\u00e1t l\u00e0 b\u1edfi v\u00ec chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a ng\u00f3n tay kh\u00f4ng sinh ra nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng, do \u0111\u00f3 l\u1ef1c ph\u1ea3n h\u1ed3i do c\u00e1t sinh ra c\u0169ng kh\u00f4ng l\u1edbn. Gi\u1ea3 th\u1eed b\u1ea1n luy\u1ec7n \u0111\u01b0\u1ee3c th\u1ea7n c\u00f4ng Nh\u1ea5t D\u01b0\u01a1ng Ch\u1ec9 nh\u01b0 Nh\u1ea5t \u0110\u0103ng \u0110\u1ea1i S\u01b0 ch\u1eb3ng h\u1ea1n, khi \u0111\u00f3 h\u00e3y th\u1eed ch\u1ecdc ng\u00f3n tay v\u00e0o bao c\u00e1t \u1edf v\u1eadn t\u1ed1c 300 m\/s \u2013 l\u00fac n\u00e0y ng\u00f3n tay c\u1ee7a b\u1ea1n s\u1ebd ch\u1eb3ng th\u1ec3 xuy\u00ean qua bao c\u00e1t \u0111\u01b0\u1ee3c n\u1eefa \u0111\u00e2u.<\/p>\n

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C\u00f2n n\u1ebfu ta d\u00f9ng tay \u1ea5n m\u1ed9t vi\u00ean \u0111\u1ea1n v\u00e0o bao c\u00e1t th\u00ec li\u1ec7u n\u00f3 c\u00f3 xuy\u00ean qua kh\u00f4ng? C\u00f3, ch\u1eafc ch\u1eafn l\u00e0 c\u00f3. B\u1edfi v\u00ec l\u1ef1c \u1ea5n c\u1ee7a tay ta c\u0169ng kh\u00f4ng kh\u00e1c nhi\u1ec1u so v\u1edbi khi ta \u1ea5n ng\u00f3n tay, v\u00e0 do \u0111\u00f3 c\u00e1t c\u0169ng \u00edt g\u00e2y ra l\u1ef1c c\u1ea3n h\u01a1n.<\/p>\n

\u0110i\u1ec1u t\u01b0\u01a1ng t\u1ef1 c\u0169ng x\u1ea3y ra \u0111\u1ed1i v\u1edbi n\u01b0\u1edbc. B\u1ea1n nh\u1ea3y xu\u1ed1ng n\u01b0\u1edbc t\u1eeb con thuy\u1ec1n ho\u1eb7c tr\u00ean th\u00e0nh b\u1ec3 b\u01a1i th\u00ec c\u1ea3 ng\u01b0\u1eddi s\u1ebd ch\u00ecm trong n\u01b0\u1edbc d\u1ec5 d\u00e0ng, v\u00e0 n\u01b0\u1edbc s\u1ebd b\u1eafn tung t\u00f3e l\u00ean. M\u1ecdi vi\u1ec7c s\u1ebd t\u1ed3i t\u1ec7 h\u01a1n r\u1ea5t nhi\u1ec1u khi b\u1ea1n r\u01a1i xu\u1ed1ng n\u01b0\u1edbc t\u1eeb \u0111\u1ed9 cao l\u1edbn: n\u01b0\u1edbc kh\u00f4ng k\u1ecbp x\u00f4 nhau ra \u0111\u1ec3 \u201ctr\u00e1nh\u201d b\u1ea1n, v\u00e0 b\u1ea1n s\u1ebd b\u1ecb th\u01b0\u01a1ng kh\u00f4ng kh\u00e1c g\u00ec b\u1ecb r\u01a1i l\u00ean m\u1eb7t b\u00ea t\u00f4ng c\u1ee9ng.<\/p>\n

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\"\nT\u1eeb<\/div>\n
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T\u1eeb t\u1eeb th\u00ec \u0111i m\u1edbi \u0111\u01b0\u1ee3c, c\u00f2n ch\u1ea1y th\u1ee5c m\u1ea1ng th\u00ec kh\u00f4ng th\u1ec3 tho\u00e1t kh\u1ecfi \u0111\u00e1m \u0111\u00f4ng n\u00e0y \u0111\u00e2u<\/p>\n<\/div>\n<\/div>\n

C\u00f2n n\u1ebfu t\u1edbi \u0111\u00e2y m\u00e0 v\u1ee3 v\u1eabn c\u00f2n th\u1ea5y l\u0103n t\u0103n th\u00ec xin m\u1ea1n ph\u00e9p l\u1ea5y v\u00ed d\u1ee5: n\u1ebfu ai \u0111\u00e3 t\u1eebng \u0111i xe bu\u00fdt gi\u1edd cao \u0111i\u1ec3m hay \u1edf trong bi\u1ec3n ng\u01b0\u1eddi \u0111\u00eam Noel n\u01a1i B\u1edd H\u1ed3 Ho\u00e0n Ki\u1ebfm th\u00ec c\u0169ng d\u1ec5 h\u00ecnh dung ra: B\u1ea1n c\u00f3 th\u1ec3 ch\u1ea7m ch\u1eadm len l\u1ecfi, l\u00e1ch ng\u01b0\u1eddi n\u00e0y, tr\u00e1nh ng\u01b0\u1eddi kia \u0111\u1ec3 tho\u00e1t kh\u1ecfi \u0111\u00e1m \u0111\u00f4ng ch\u1ee9 kh\u00f4ng th\u1ec3 c\u1ee9 h\u00f9ng h\u00f9ng h\u1ed5 h\u1ed5 c\u1eafm \u0111\u1ea7u c\u1eafm c\u1ed5 ch\u1ea1y \u201cli\u1ec1u m\u00ecnh nh\u01b0 ch\u1eb3ng c\u00f3\u201d.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

\u0110\u00e3 bao gi\u1edd b\u1ea1n t\u1ef1 h\u1ecfi: T\u1ea1i sao vi\u00ean \u0111\u1ea1n c\u00f3 th\u1ec3 ph\u00e1 \u0111\u01b0\u1ee3c b\u00ea t\u00f4ng, \u0111\u00e1, th\u00e9p m\u00e0 l\u1ea1i<\/p>\n","protected":false},"author":1,"featured_media":306,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[36],"tags":[],"yoast_head":"\n[B\u1ecb v\u1ee3 h\u1ecfi kh\u00f3] V\u00ec sao bao c\u00e1t l\u1ea1i ch\u1eb7n \u0111\u01b0\u1ee3c vi\u00ean \u0111\u1ea1n \u0111ang bay? - Blog SNT - C\u00f4ng Ty TNHH Si\u00eau Nh\u1eadt Thanh - Sao Nhanh Th\u1ebf<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/snt.com.vn\/blog\/bi-vo-hoi-kho-vi-sao-bao-cat-lai-chan-duoc-vien-dan-dang-bay\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[B\u1ecb v\u1ee3 h\u1ecfi kh\u00f3] V\u00ec sao bao c\u00e1t l\u1ea1i ch\u1eb7n \u0111\u01b0\u1ee3c vi\u00ean \u0111\u1ea1n \u0111ang bay? 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