Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn<\/p>\n\n\n\n
S\u1ef1 s\u00f4i l\u00e0 m\u1ed9t trong nh\u1eefng ki\u1ebfn th\u1ee9c v\u00f4 c\u00f9ng quan tr\u1ecdng c\u1ee7a l\u1edbp 7, v\u1eeba l\u00e0 n\u1ec1n t\u1ea3ng l\u1ea1i l\u00e0 c\u1ea7u n\u1ed1i tri th\u1ee9c \u0111em t\u1edbi nhi\u1ec1u th\u00f4ng tin kh\u00e1c. Th\u1ebf nh\u01b0ng, kh\u00f4ng ph\u1ea3i ai c\u0169ng hi\u1ec3u r\u00f5 v\u1ec1 hi\u1ec7n t\u01b0\u1ee3ng v\u1eadt l\u00fd n\u00e0y, h\u01a1n n\u1eefa ph\u00e2n bi\u1ec7t s\u1ef1 s\u00f4i v\u00e0 s\u1ef1 bay h\u01a1i ra sao kh\u00f4ng \u0111\u01a1n gi\u1ea3n. V\u1eadt l\u00fd h\u1ecdc n\u00e2ng cao c\u0169ng mu\u1ed1n l\u00e0m r\u00f5 b\u1ea3n ch\u1ea5t \u0111\u1ec3 th\u1ea5y \u0111\u01b0\u1ee3c s\u1ef1 s\u00f4i v\u00e0 s\u1ef1 bay h\u01a1i kh\u00e1c nhau \u1edf ch\u1ed7 n\u00e0o. N\u1ebfu nh\u01b0 b\u1ea1n quan t\u00e2m v\u00e0 mu\u1ed1n t\u00ecm hi\u1ec3u th\u00eam, h\u00e3y \u0111\u1ecdc ngay b\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec3 bi\u1ebft th\u00eam nh\u1eefng th\u00f4ng tin chi ti\u1ebft nh\u00e9. Tin r\u1eb1ng nh\u1eefng \u0111i\u1ec1u m\u00e0 ch\u00fang t\u00f4i \u0111em \u0111\u1ebfn s\u1ebd l\u00e0m b\u1ea1n \u1ea5n t\u01b0\u1ee3ng.<\/p>\n\n\n\n
Kh\u00f4ng kh\u00f3 khi ph\u00e2n bi\u1ec7t s\u1ef1 s\u00f4i v\u00e0 s\u1ef1 bay h\u01a1i<\/p>\n\n\n\n
T\u00ecm hi\u1ec3u v\u1ec1 b\u1ea3n ch\u1ea5t c\u1ee7a s\u1ef1 s\u00f4i<\/p>\n\n\n\n
Tr\u01b0\u1edbc khi ph\u00e2n bi\u1ec7t s\u1ef1 s\u00f4i v\u00e0 s\u1ef1 bay h\u01a1i, ch\u00fang t\u00f4i mu\u1ed1n \u0111\u01b0a \u0111\u1ebfn cho b\u1ea1n th\u00f4ng tin v\u1ec1 b\u1ea3n ch\u1ea5t c\u1ee7a s\u1ef1 s\u00f4i. H\u00e3y \u0111\u1ecdc \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 hi\u1ec3u r\u00f5 nh\u1ea5t c\u00f3 th\u1ec3.<\/p>\n\n\n\n
S\u1ef1 s\u00f4i l\u00e0 g\u00ec?<\/p>\n\n\n\n
Nhi\u1ec1u ng\u01b0\u1eddi ch\u01b0a bi\u1ebft s\u1ef1 s\u00f4i l\u00e0 g\u00ec. Tr\u00ean th\u1ef1c t\u1ebf, s\u1ef1 s\u00f4i l\u00e0 s\u1ef1 bay h\u01a1i, \u0111\u01b0\u1ee3c di\u1ec5n t\u1ea3 c\u1ea3 trong l\u00f2ng v\u00e0 tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a ch\u1ea5t l\u1ecfng. Trong su\u1ed1t qu\u00e1 tr\u00ecnh m\u00e0 s\u1ef1 s\u00f4i x\u1ea3y ra (hay c\u00f2n g\u1ecdi l\u00e0 th\u1eddi gian s\u00f4i), nhi\u1ec7t \u0111\u1ed9 c\u1ee7a ch\u1ea5t l\u1ecfng kh\u00f4ng thay \u0111\u1ed5i.<\/p>\n\n\n\n
T\u00ecm hi\u1ec3u th\u00eam nh\u1eefng kh\u00e1i ni\u1ec7m v\u1ec1 s\u1ef1 n\u00f3ng ch\u1ea3y v\u00e0 s\u1ef1 \u0111\u00f4ng \u0111\u1eb7c<\/p><\/blockquote>\n\n\n\n
\u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a s\u1ef1 s\u00f4i l\u00e0 g\u00ec?<\/p>\n\n\n\n
\u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a s\u1ef1 s\u00f4i kh\u00f4ng nhi\u1ec1u, tuy nhi\u00ean n\u1ebfu kh\u00f4ng nh\u1edb k\u1ef9. C\u00e1c em c\u00f3 th\u1ec3 b\u1ecb li\u1ec7t k\u00ea thi\u1ebfu trong b\u00e0i thi c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n
S\u00f4i \u1edf m\u1ed9t nhi\u1ec7t \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh.\n\n T\u00f9y v\u00e0o t\u1eebng ch\u1ea5t l\u1ecfng kh\u00e1c nhau, s\u1ebd c\u00f3 m\u1ed9t nhi\u1ec7t \u0111\u1ed9 s\u00f4i kh\u00e1c nhau.\n\n S\u1ef1 s\u00f4i x\u1ea3y ra \u1edf tr\u00ean m\u1eb7t tho\u00e1ng v\u00e0 \u1edf c\u1ea3 trong l\u00f2ng c\u1ee7a ch\u1ea5t l\u1ecfng.\n\n Khi s\u00f4i, ch\u1ea5t l\u1ecfng s\u1ebd kh\u00f4ng thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9.\n\n Khi s\u00f4i kh\u00ed h\u01a1i s\u1ebd bay l\u00ean, v\u00e0 ta c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y b\u1eb1ng m\u1eaft th\u01b0\u1eddng.<\/code><\/pre>\n\n\n\nNhi\u1ec7t \u0111\u1ed9 s\u00f4i l\u00e0 g\u00ec?<\/p>\n\n\n\n
Nh\u01b0 chia s\u1ebb tr\u01b0\u1edbc ph\u1ea7n nhi\u1ec7t \u0111\u1ed9 s\u00f4i l\u00e0 g\u00ec, m\u1ed7i m\u1ed9t ch\u1ea5t l\u1ecfng s\u1ebd s\u00f4i \u1edf m\u1ed9t nhi\u1ec7t \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh. Nhi\u1ec7t \u0111\u1ed9 \u0111\u00f3 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 nhi\u1ec7t \u0111\u1ed9 s\u00f4i.<\/p>\n\n\n\n
Nhi\u1ec7t \u0111\u1ed9 s\u00f4i s\u1ebd ph\u1ee5 thu\u1ed9c v\u00e0o ph\u1ea7n b\u1ea3n ch\u1ea5t c\u1ee7a ch\u1ea5t l\u1ecfng. Ngo\u00e0i ra ph\u1ee5 thu\u1ed9c c\u1ea3 v\u00e0o \u00e1p su\u1ea5t tr\u00ean m\u1eb7t ch\u1ea5t l\u1ecfng. N\u1ebfu nh\u01b0 \u00e1p su\u1ea5t c\u1ee7a ch\u1ea5t l\u1ecfng c\u00e0ng l\u1edbn, th\u00ec nhi\u1ec7t \u0111\u1ed9 s\u00f4i c\u1ee7a ch\u1ea5t l\u1ecfng c\u0169ng s\u1ebd c\u00e0ng cao.<\/p>\n\n\n\n
Nhi\u1ec7t \u0111\u1ed9 s\u00f4i c\u1ee7a m\u1ed9t s\u1ed1 ch\u1ea5t l\u1ecfng th\u01b0\u1eddng g\u1eb7p:<\/p>\n\n\n\n
\u00ca te: 35 \u0111\u1ed9 C\n\n R\u01b0\u1ee3u: 80 \u0111\u1ed9 C\n\n N\u01b0\u1edbc: 100 \u0111\u1ed9 C\n\n Th\u1ee7y ng\u00e2n: 357 \u0111\u1ed9 C\n\n \u0110\u1ed3ng: 2580 \u0111\u1ed9 C<\/code><\/pre>\n\n\n\nPh\u00e2n bi\u1ec7t s\u1ef1 s\u00f4i v\u00e0 s\u1ef1 bay h\u01a1i qua nh\u1eefng y\u1ebfu t\u1ed1 g\u00ec?<\/p>\n\n\n\n
Khi b\u1ea1n \u0111\u00e3 hi\u1ec3u r\u00f5 th\u00f4ng tin v\u1ec1 s\u1ef1 s\u00f4i. Ch\u1eafc ch\u1eafn vi\u1ec7c ph\u00e2n bi\u1ec7t s\u1ef1 s\u00f4i v\u00e0 s\u1ef1 bay h\u01a1i s\u1ebd d\u1ec5 hi\u1ec3u h\u01a1n r\u1ea5t nhi\u1ec1u<\/p>\n\n\n\n
\u0110i\u1ec3m gi\u1ed1ng nhau: S\u1ef1 s\u00f4i v\u00e0 s\u1ef1 bay h\u01a1i gi\u1ed1ng nhau l\u00e0 ch\u00fang \u0111\u1ec1u chuy\u1ec3n t\u1eeb th\u1ec3 l\u1ecfng sang th\u1ec3 h\u01a1i.<\/p>\n\n\n\n
\u0110i\u1ec3m kh\u00e1c nhau: \u0110\u1ed1i v\u1edbi s\u1ef1 s\u00f4i, ch\u00fang bay h\u01a1i t\u1eeb tr\u00ean c\u1ea3 m\u1eb7t v\u00e0 trong l\u00f2ng ch\u1ea5t l\u1ecfng, v\u00e0 di\u1ec5n ra \u1edf nhi\u1ec7t \u0111\u1ed9 s\u00f4i. C\u00f2n s\u1ef1 bay h\u01a1i ch\u1ec9 di\u1ec5n ra \u1edf tr\u00ean b\u1ec1 m\u1eb7t ch\u1ea5t l\u1ecfng. Do \u0111\u00f3 \u0111\u00e2y l\u00e0 c\u00e1ch ph\u00e2n bi\u1ec7t s\u1ef1 s\u00f4i v\u00e0 s\u1ef1 bay h\u01a1i ch\u00ednh x\u00e1c v\u00e0 d\u1ec5 hi\u1ec3u nh\u1ea5t.<\/p>\n\n\n\n
T\u00ecm hi\u1ec3u th\u00eam v\u1ec1 ph\u00e2n bi\u1ec7t s\u1ef1 bay h\u01a1i v\u00e0 s\u1ef1 ng\u01b0ng t\u1ee5<\/p><\/blockquote>\n\n\n\n
Ki\u1ebfn th\u1ee9c chuy\u00ean m\u00f4n cao v\u1ec1 s\u1ef1 s\u00f4i v\u00e0 s\u1ef1 bay h\u01a1i<\/p>\n\n\n\n
\u0110\u1ec3 c\u00f3 th\u1ec3 ph\u00e2n bi\u1ec7t s\u1ef1 s\u00f4i v\u00e0 s\u1ef1 bay h\u01a1i, nh\u1eefng ng\u01b0\u1eddi y\u00eau th\u00edch v\u1eadt l\u00fd c\u00f3 th\u1ec3 \u0111\u1ecdc v\u00e0 t\u00ecm hi\u1ec3u th\u00eam nh\u1eefng ki\u1ebfn th\u1ee9c b\u1ed5 \u00edch n\u00e0y v\u1ec1 t\u1eebng hi\u1ec7n t\u01b0\u1ee3ng v\u1eadt l\u00fd kh\u00e1c nhau. Ch\u00fang t\u00f4i tin r\u1eb1ng chia s\u1ebb m\u00e0 m\u00ecnh mang l\u1ea1i s\u1ebd khi\u1ebfn b\u1ea1n c\u1ef1c k\u1ef3 h\u00e0i l\u00f2ng.<\/p>\n\n\n\n
Th\u00f4ng tin chung ph\u00e2n bi\u1ec7t s\u1ef1 s\u00f4i v\u00e0 s\u1ef1 bay h\u01a1i<\/p>\n\n\n\n
S\u1ef1 s\u00f4i<\/p>\n\n\n\n
M\u1ed9t s\u1ed1 th\u00f4ng tin m\u1edf r\u1ed9ng ra t\u1eeb kh\u00e1i ni\u1ec7m s\u1ef1 s\u00f4i hay \u0111\u01b0\u1ee3c nh\u1eafc \u0111\u1ebfn nh\u1ea5t ch\u00ednh l\u00e0 nhi\u1ec7t h\u00f3a h\u01a1i. \u0110\u00e2y l\u00e0 nhi\u1ec7t l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c cung c\u1ea5p cho kh\u1ed1i ch\u1ea5t l\u1ecfng trong c\u1ea3 m\u1ed9t qu\u00e1 tr\u00ecnh s\u00f4i. N\u00f3 c\u00f3 c\u00f4ng th\u1ee9c kh\u00e1 d\u1ec5 nh\u1edb:<\/p>\n\n\n\n
Q=Lm<\/p>\n\n\n\n
Trong \u0111\u00f3, L l\u00e0 nhi\u1ec7t h\u00f3a h\u01a1i ri\u00eang, \u0111\u01a1n v\u1ecb l\u00e0 J\/kg, n\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o b\u1ea3n ch\u1ea5t c\u1ee7a ch\u1ea5t l\u1ecfng. C\u00f2n m l\u00e0 kh\u1ed1i l\u01b0\u1ee3ng ph\u1ea7n ch\u1ea5t l\u1ecfng \u0111\u00e3 bi\u1ebfn th\u00e0nh kh\u00ed v\u00e0 \u1edf nhi\u1ec7t \u0111\u1ed9 s\u00f4i, \u0111\u01a1n v\u1ecb l\u00e0 kg.<\/p>\n\n\n\n
Nhi\u1ec7t h\u00f3a h\u01a1i ri\u00eang c\u1ee7a ch\u1ea5t l\u1ecfng s\u1ebd c\u00f3 \u0111\u1ed9 l\u1edbn b\u1eb1ng v\u1edbi nhi\u1ec7t l\u01b0\u1ee3ng c\u1ea7n cung c\u1ea5p \u0111\u1ec3 n\u00f3 l\u00e0m bay h\u01a1i m\u1ed9t kg ch\u1ea5t \u0111\u00f3 \u1edf nhi\u1ec7t \u0111\u1ed9 s\u00f4i.<\/p>\n\n\n\n
\u0110i\u1ec3m s\u00f4i l\u00e0 g\u00ec?<\/p>\n\n\n\n
\u0110i\u1ec3m s\u00f4i hay c\u00f2n c\u00f3 t\u00ean g\u1ecdi kh\u00e1c l\u00e0 nhi\u1ec7t \u0111\u1ed9 bay h\u01a1i, \u0111i\u1ec3m bay h\u01a1i. \u0110i\u1ec3m s\u00f4i c\u1ee7a m\u1ed9t ch\u1ea5t l\u1ecfng ch\u00ednh l\u00e0 nhi\u1ec7t \u0111\u1ed9. Khi \u0111\u00f3, \u00e1p su\u1ea5t h\u01a1i c\u1ee7a ch\u1ea5t l\u1ecfng s\u1ebd b\u1eb1ng v\u1edbi \u00e1p su\u1ea5t \u1edf xung quanh ch\u1ea5t l\u1ecfng. Trong tr\u1ea1ng th\u00e1i \u0111\u1ea1t c\u00e2n b\u1eb1ng \u1ea5y, ch\u1ea5t s\u1ebd chuy\u1ec3n tr\u1ea1ng th\u00e1i t\u1eeb l\u1ecfng sang kh\u00ed.<\/p>\n\n\n\n
Khi nh\u1eafc t\u1edbi nhi\u1ec7t \u0111\u1ed9 thay \u0111\u1ed5i ng\u01b0\u1ee3c l\u1ea1i, c\u00f3 ngh\u0129a l\u00e0 tr\u1ecdng tr\u1ea1ng th\u00e1i chuy\u1ec3n t\u1eeb d\u1ea1ng kh\u00ed sang d\u1ea1ng l\u1ecfng. N\u00f3 s\u1ebd c\u00f3 t\u00ean g\u1ecdi kh\u00e1c, kh\u00f4ng g\u1ecdi l\u00e0 \u0111i\u1ec3m s\u00f4i n\u1eefa, m\u00e0 g\u1ecdi l\u00e0 nhi\u1ec7t \u0111\u1ed9 ng\u01b0ng t\u1ee5 ho\u1eb7c \u0111i\u1ec3m ng\u01b0ng t\u1ee5. Kh\u00e1c bi\u1ec7t v\u1edbi \u0111i\u1ec3m n\u00f3ng ch\u1ea3y, \u0111i\u1ec3m s\u00f4i nh\u1ea1y c\u1ea3m v\u1edbi \u00e1p su\u1ea5t v\u00e0 r\u1ea5t d\u1ec5 b\u1ecb dao \u0111\u1ed9ng.<\/p>\n\n\n\n
S\u1ef1 bay h\u01a1i<\/p>\n\n\n\n
Khi ph\u00e2n bi\u1ec7t s\u1ef1 s\u00f4i v\u00e0 s\u1ef1 bay h\u01a1i, ch\u00fang t\u00f4i mu\u1ed1n l\u00e0m r\u00f5 th\u00eam v\u1ec1 s\u1ef1 bay h\u01a1i. \u0110\u1ec3 ng\u01b0\u1eddi \u0111\u1ecdc c\u00f3 th\u1ec3 t\u00ecm hi\u1ec3u k\u1ef9 l\u01b0\u1ee1ng. Ph\u1ea7n n\u00e0y c\u00f3 nhi\u1ec1u kh\u00e1i ni\u1ec7m tr\u1eebu t\u01b0\u1ee3ng v\u00e0 kh\u00f3 h\u01a1n, th\u1ebf n\u00ean b\u1ea1n h\u00e3y \u0111\u1ecdc th\u1eadt c\u1ea9n th\u1eadn nh\u00e9.<\/p>\n\n\n\n
S\u1ef1 bay h\u01a1i l\u00e0 g\u00ec?<\/p>\n\n\n\n
S\u1ef1 bay h\u01a1i hay b\u1ed1c h\u01a1i khi\u1ebfn nhi\u1ec1u ng\u01b0\u1eddi kh\u00f4ng n\u1eafm r\u00f5 \u0111\u00e2y l\u00e0 g\u00ec. T\u1eeb \u0111\u00f3, h\u1ecd kh\u00f4ng bi\u1ebft ph\u1ea3i ph\u00e2n bi\u1ec7t s\u1ef1 s\u00f4i v\u00e0 s\u1ef1 bay h\u01a1i ra sao. Bay h\u01a1i l\u00e0 m\u1ed9t d\u1ea1ng h\u00f3a h\u01a1i c\u1ee7a m\u1ed9t ch\u1ea5t l\u1ecfng n\u00e0o \u0111\u00f3 \u1edf tr\u00ean b\u1ec1 m\u1eb7t. B\u00ecnh th\u01b0\u1eddng, c\u00e1c ph\u00e2n t\u1eed b\u00ean trong m\u1ed9t c\u1ed1c n\u01b0\u1edbc s\u1ebd kh\u00f4ng c\u00f3 \u0111\u1ee7 nhi\u1ec7t n\u0103ng \u0111\u1ec3 ch\u00fang nhanh ch\u00f3ng tho\u00e1t ra kh\u1ecfi ch\u1ea5t l\u1ecfng. Th\u1ebf nh\u01b0ng \u0111\u1ebfn khi c\u00f3 \u0111\u1ee7 nhi\u1ec7t \u0111\u1ed9, ch\u1ea5t l\u1ecfng c\u00f3 th\u1ec3 nhanh ch\u00f3ng chuy\u1ec3n th\u00e0nh d\u1ea1ng h\u01a1i.<\/p>\n\n\n\n
H\u01b0\u1edbng d\u1eabn ph\u00e2n bi\u1ec7t ph\u00e2n bi\u1ec7t s\u1ef1 s\u00f4i s\u1ef1 bay h\u01a1i<\/p>\n\n\n\n
Ngo\u00e0i ra, khi c\u00e1c ph\u00e2n t\u1eed va ch\u1ea1m v\u1edbi nhau, ch\u00fang c\u00f3 th\u1ec3 chuy\u1ec3n h\u00f3a n\u0103ng l\u01b0\u1ee3ng t\u1edbi cho nhau \u1edf r\u1ea5t nhi\u1ec1u m\u1ee9c \u0111\u1ed9 \u0111a d\u1ea1ng, v\u00e0 ph\u1ee5 thu\u1ed9c nhi\u1ec1u v\u00e0o c\u00e1ch c\u00e1c ph\u00e2n t\u1eed va ch\u1ea1m v\u1edbi nhau. S\u1ef1 chuy\u1ec3n h\u00f3a n\u00e0y \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t chi\u1ec1u \u0111\u1ed1i v\u1edbi nh\u1eefng ph\u00e2n t\u1eed \u1edf g\u1ea7n b\u1ec1 m\u1eb7t. V\u00e0 ch\u00fang c\u00f3 th\u1ec3 t\u00edch t\u1ee5 \u0111\u01b0\u1ee3c \u0111\u1ee7 n\u0103ng l\u01b0\u1ee3ng nhanh ch\u00f3ng \u0111\u1ec3 c\u00f3 th\u1ec3 b\u1ed1c h\u01a1i.<\/p>\n\n\n\n
T\u1ea1i sao s\u1ef1 bay h\u01a1i l\u1ea1i quan tr\u1ecdng?<\/p>\n\n\n\n
Khi ph\u00e2n bi\u1ec7t s\u1ef1 s\u00f4i v\u00e0 s\u1ef1 bay h\u01a1i, nhi\u1ec1u \u00fd ki\u1ebfn cho r\u1eb1ng s\u1ef1 s\u00f4i s\u1ebd quan tr\u1ecdng h\u01a1n s\u1ef1 bay h\u01a1i. Tr\u00ean th\u1ef1c t\u1ebf, c\u1ea3 hai hi\u1ec7n t\u01b0\u1ee3ng v\u1eadt l\u00fd n\u00e0y \u0111\u1ec1u quan tr\u1ecdng. V\u1edbi s\u1ef1 bay h\u01a1i, \u0111\u00e2y \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n then ch\u1ed1t. T\u1eeb \u0111\u00f3 gi\u00fap cho v\u00f2ng tu\u1ea7n ho\u00e0n n\u01b0\u1edbc \u0111\u01b0\u1ee3c di\u1ec5n ra nhanh ch\u00f3ng h\u01a1n. Trong v\u00f2ng tu\u1ea7n ho\u00e0n n\u00e0y, m\u1eb7t tr\u1eddi \u0111\u00f3ng vai tr\u00f2 l\u00e0m bay h\u1ebft h\u01a1i n\u01b0\u1edbc t\u1eeb \u0111\u1ea1i d\u01b0\u01a1ng, trong h\u1ed3 v\u00e0 \u0111\u1ed9 \u1ea9m \u1edf trong l\u00f2ng \u0111\u1ea5t t\u1eeb nh\u1eefng ngu\u1ed3n n\u01b0\u1edbc kh\u00e1c.<\/p>\n\n\n\n
Ngo\u00e0i c\u00e1i t\u00ean s\u1ef1 bay h\u01a1i, trong l\u0129nh v\u1ef1c kh\u00e1c nh\u01b0 th\u1ee7y v\u0103n h\u1ecdc. Ch\u00fang c\u00f2n c\u00f3 c\u00e1i t\u00ean chuy\u00ean ng\u00e0nh l\u00e0 s\u1ef1 tho\u00e1t-b\u1ed1c h\u01a1i n\u01b0\u1edbc. Th\u1ebf n\u00ean n\u1ebfu b\u1ea1n t\u00ecm hi\u1ec3u v\u00e0 th\u1ea5y thu\u1eadt ng\u1eef n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 hi\u1ec3u r\u1eb1ng \u0111\u00e2y ch\u00ednh l\u00e0 s\u1ef1 bay h\u01a1i th\u00f4ng th\u01b0\u1eddng.<\/p>\n\n\n\n
Nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0o \u1ea3nh h\u01b0\u1edfng l\u1edbn \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 bay h\u01a1i?<\/p>\n\n\n\n
Khi \u0111\u00e3 bi\u1ebft v\u1ec1 ph\u00e2n bi\u1ec7t s\u1ef1 s\u00f4i v\u00e0 s\u1ef1 bay h\u01a1i, b\u1ea1n n\u00ean bi\u1ebft th\u00eam v\u1ec1 nh\u1eefng y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 bay h\u01a1i. Nguy\u00ean nh\u00e2n ch\u00ednh x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c s\u1ef1 bay h\u01a1i di\u1ec5n ra nhanh hay ch\u1eadm \u2013 \u0111\u1ec3 t\u00ecm hi\u1ec3u k\u1ef9 c\u00e0ng h\u01a1n nh\u00e9. Ch\u00fang bao g\u1ed3m:<\/p>\n\n\n\n
N\u1ed3ng \u0111\u1ed9 c\u1ee7a c\u00e1c ch\u1ea5t bay h\u01a1i b\u00ean trong kh\u00f4ng kh\u00ed\n\n N\u1ed3ng \u0111\u1ed9 nh\u1eefng ch\u1ea5t kh\u00e1c b\u00ean trong kh\u00f4ng kh\u00ed\n\n L\u01b0u l\u01b0\u1ee3ng c\u1ee7a kh\u00f4ng kh\u00ed\n\n L\u1ef1c li\u00ean k\u1ebft ph\u00e2n t\u1eed\n\n \u00c1p su\u1ea5t\n\n Di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t\n\n Nhi\u1ec7t \u0111\u1ed9 c\u1ee7a ch\u1ea5t\n\n Kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang c\u1ee7a ch\u1ea5t<\/code><\/pre>\n\n\n\nD\u00f9 \u00edt hay nhi\u1ec1u, b\u1ea5t c\u1ee9 m\u1ed9t nguy\u00ean nh\u00e2n n\u00e0o di\u1ec5n ra \u0111\u1ec1u c\u00f3 th\u1ec3 khi\u1ebfn cho t\u1ed1c \u0111\u1ed9 c\u1ee7a s\u1ef1 bay h\u01a1i tr\u1edf n\u00ean nhanh h\u01a1n ho\u1eb7c ch\u1eadm h\u01a1n.<\/p>\n\n\n\n
\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf ph\u00e2n bi\u1ec7t s\u1ef1 s\u00f4i s\u1ef1 bay h\u01a1i<\/p>\n\n\n\n
Tr\u00ean \u0111\u00e2y l\u00e0 nh\u1eefng th\u00f4ng tin m\u00e0 ch\u00fang t\u00f4i cung c\u1ea5p \u0111\u1ebfn cho b\u1ea1n v\u1ec1 ph\u00e2n bi\u1ec7t s\u1ef1 s\u00f4i v\u00e0 s\u1ef1 bay h\u01a1i. Trong ch\u01b0\u01a1ng tr\u00ecnh v\u1eadt l\u00fd 7, \u0111\u00e2y l\u00e0 m\u1ed9t b\u00e0i h\u1ecdc v\u00f4 c\u00f9ng quan tr\u1ecdng, b\u1ea5t c\u1ee9 b\u1ea1n h\u1ecdc sinh<\/a> n\u00e0o c\u0169ng n\u00ean n\u1eafm v\u1eefng. C\u00f2n \u0111\u1ed1i v\u1edbi nh\u1eefng ai y\u00eau v\u1eadt l\u00fd v\u00e0 mu\u1ed1n t\u00ecm hi\u1ec3u chuy\u00ean s\u00e2u, tin r\u1eb1ng th\u00f4ng tin ch\u00fang t\u00f4i mang \u0111\u1ebfn \u0111\u00e3 khi\u1ebfn b\u1ea1n th\u1ea5y h\u00e0i l\u00f2ng. Tham kh\u1ea3o th\u00eam nh\u1eefng b\u00e0i vi\u1ebft kh\u00e1c c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 s\u1ef1 bay h\u01a1i, ng\u01b0ng t\u1ee5 \u0111\u1ec3 bi\u1ebft th\u00eam chi ti\u1ebft nh\u00e9.<\/p>\n\n\n\n
Kh\u00e1m ph\u00e1 th\u00eam nh\u1eefng ch\u1ee7 \u0111\u1ec1 v\u1eadt l\u00fd th\u00fa v\u1ecb kh\u00e1c<\/p><\/blockquote>\n\n\n\n
C\u00e1ch \u0111o th\u1ec3 t\u00edch ch\u1ea5t l\u1ecfng? V\u1eadt l\u00fd 6<\/p>\n\n\n\n
S\u1ef1 bi\u1ebfn \u0111\u1ed5i ch\u1ea5t \u2013 c\u00e1c d\u1ea1ng b\u00e0i t\u1eadp hay g\u1eb7p v\u00e0 l\u1eddi gi\u1ea3i \u2013 Vietlearn<\/p>\n\n\n\n
Nhi\u1ec7t k\u1ebf l\u00e0 g\u00ec? 3 lo\u1ea1i nhi\u1ec7t k\u1ebf n\u00e0o ph\u1ed5 bi\u1ebfn nh\u1ea5t b\u1ea1n c\u00f3 bi\u1ebft?<\/p>\n\n\n\n
S\u1ef1<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn S\u1ef1 s\u00f4i l\u00e0 m\u1ed9t trong nh\u1eefng ki\u1ebfn th\u1ee9c v\u00f4 c\u00f9ng quan tr\u1ecdng c\u1ee7a l\u1edbp 7, v\u1eeba l\u00e0 n\u1ec1n t\u1ea3ng l\u1ea1i l\u00e0 c\u1ea7u n\u1ed1i tri th\u1ee9c \u0111em t\u1edbi nhi\u1ec1u th\u00f4ng tin kh\u00e1c. Th\u1ebf nh\u01b0ng, kh\u00f4ng ph\u1ea3i ai c\u0169ng hi\u1ec3u r\u00f5 v\u1ec1 hi\u1ec7n t\u01b0\u1ee3ng v\u1eadt l\u00fd n\u00e0y, h\u01a1n n\u1eefa ph\u00e2n bi\u1ec7t […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[4,7],"tags":[],"class_list":["post-853","post","type-post","status-publish","format-standard","hentry","category-trung-hoc","category-vat-ly"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/853","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=853"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/853\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=853"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=853"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=853"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}