Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn<\/p>\n\n\n\n
C\u00f3 r\u1ea5t nhi\u1ec1u hi\u1ec7n t\u01b0\u1ee3ng trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y ch\u00fang ta kh\u00f4ng th\u1ec3 n\u00e0o gi\u1ea3i th\u00edch \u0111\u01b0\u1ee3c. Tuy nhi\u00ean, nh\u1edd c\u00f3 ki\u1ebfn th\u1ee9c v\u1eadt l\u00fd, nhi\u1ec1u \u0111i\u1ec1u t\u01b0\u1edfng ch\u1eebng kh\u00f3 kh\u0103n l\u1ea1i c\u1ef1c k\u1ef3 d\u1ec5 d\u00e0ng l\u00fd gi\u1ea3i. Kh\u00f4ng ph\u1ea3i t\u1ef1 nhi\u00ean, b\u1ed9 m\u00f4n v\u1eadt l\u00fd l\u1ea1i \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o ch\u01b0\u01a1ng tr\u00ecnh h\u1ecdc c\u1ee7a c\u00e1c em. Trong ch\u01b0\u01a1ng tr\u00ecnh v\u1eadt l\u00fd 8, c\u00e1c em s\u1ebd \u0111\u01b0\u1ee3c ti\u1ebfp c\u1eadn \u0111\u1ebfn m\u1ed9t ch\u1ee7 \u0111\u1ec1 r\u1ea5t th\u00fa v\u1ecb. \u0110\u00f3 ch\u00ednh l\u00e0 \u0111\u1ed1i l\u01b0u b\u1ee9c x\u1ea1 nhi\u1ec7t. Ch\u1ee7 \u0111\u1ec1 n\u00e0y th\u1ef1c ch\u1ea5t l\u00e0 g\u00ec? Ch\u00fang ta c\u00f9ng nhau t\u00ecm hi\u1ec3u trong b\u00e0i vi\u1ebft ng\u00e0y nh\u00e9!<\/p>\n\n\n\n
\u0110\u1ed1i l\u01b0u l\u00e0 g\u00ec?<\/p>\n\n\n\n
Ch\u00fang ta \u0111\u00e3 \u0111\u01b0\u1ee3c t\u00ecm hi\u1ec3u qua v\u1ec1 c\u00e1ch t\u0103ng nhi\u1ec7t n\u0103ng c\u1ee7a m\u1ed9t v\u1eadt trong b\u00e0i vi\u1ebft tr\u01b0\u1edbc. Trong s\u1ed1 \u0111\u00f3, truy\u1ec1n nhi\u1ec7t ch\u00ednh l\u00e0 m\u1ed9t c\u00e1ch \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u nh\u1ea5t. Ch\u00ednh v\u00ec v\u1eady, b\u00e0i vi\u1ebft ng\u00e0y h\u00f4m nay, ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u th\u00eam v\u1ec1 \u0111\u1ed1i l\u01b0u b\u1ee9c x\u1ea1 nhi\u1ec7t. B\u1edfi \u0111\u00e2y ch\u00ednh l\u00e0 2 d\u1ea1ng truy\u1ec1n nhi\u1ec7t \u0111\u1ebfn v\u1eadt. Trong ph\u1ea7n n\u00e0y c\u1ee7a b\u00e0i vi\u1ebft ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u v\u1ec1 \u0111\u1ed1i l\u01b0u.<\/p>\n\n\n\n
\u0110\u1ed1i l\u01b0u b\u1ee9c x\u1ea1 nhi\u1ec7t l\u00e0 g\u00ec<\/p>\n\n\n\n
\u0110\u1ed1i l\u01b0u \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 s\u1ef1 truy\u1ec1n nhi\u1ec7t b\u1eb1ng c\u00e1c d\u00f2ng ch\u1ea5t kh\u00ed v\u00e0 ch\u1ea5t l\u1ecfng. \u0110\u00e2y ch\u00ednh l\u00e0 ph\u01b0\u01a1ng th\u1ee9c truy\u1ec1n nhi\u1ec7t ch\u1ee7 y\u1ebfu c\u1ee7a hai ch\u1ea5t n\u00e0y. \u0110i\u1ec1u n\u00e0y c\u0169ng ch\u1ec9 x\u1ea3y ra \u1edf duy nh\u1ea5t hai ch\u1ea5t \u0111\u00f3 l\u00e0 l\u1ecfng v\u00e0 kh\u00ed. Kh\u00f4ng c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng \u0111\u1ed1i l\u01b0u trong ch\u1ea5t r\u1eafn hay ngo\u00e0i ch\u00e2n kh\u00f4ng.<\/p>\n\n\n\n
C\u01a1 ch\u1ebf c\u1ee7a \u0111\u1ed1i l\u01b0u<\/p>\n\n\n\n
C\u01a1 ch\u1ebf c\u1ee7a \u0111\u1ed1i l\u01b0u ch\u00ednh l\u00e0 d\u1ef1a v\u00e0o tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 l\u1ef1c \u0111\u1ea9y acsimet. Ch\u00fang ta \u0111\u00e3 \u0111\u01b0\u1ee3c t\u00ecm hi\u1ec3u v\u1ec1 hai \u0111\u1ea1i l\u01b0\u1ee3ng n\u00e0y trong c\u00e1c b\u00e0i vi\u1ebft tr\u01b0\u1edbc. Ch\u00fang t\u00f4i s\u1ebd nh\u1eafc l\u1ea1i v\u1ec1 l\u1ef1c \u0111\u1ea9y acsimet \u0111\u1ec3 c\u00e1c b\u1ea1n hi\u1ec3u h\u01a1n. L\u1ef1c \u0111\u1ea9y acsimet ch\u1ec9 x\u1ea3y ra trong m\u00f4i tr\u01b0\u1eddng ch\u1ea5t l\u1ecfng. Khi ch\u00fang ta nh\u1ea5n ch\u00ecm m\u1ed9t v\u1eadt trong ch\u1ea5t l\u1ecfng. Ch\u00fang ta s\u1ebd th\u1ea5y v\u1eadt n\u00e0y b\u1ecb \u0111\u1ea9y l\u00ean theo ph\u01b0\u01a1ng th\u1eb3ng \u0111\u1ee9ng. \u0110\u00e2y ch\u00ednh l\u00e0 s\u1ef1 xu\u1ea5t hi\u1ec7n v\u00e0 t\u00e1c d\u1ee5ng c\u1ee7a l\u1ef1c \u0111\u1ea9y acsimet.<\/p>\n\n\n\n
Ch\u00fang ta gi\u1ea3i th\u00edch v\u1ec1 c\u01a1 ch\u1ebf c\u1ee7a \u0111\u1ed1i l\u01b0u d\u1ef1a tr\u00ean l\u1ef1c \u0111\u1ea9y acsimet. Khi \u0111\u01b0\u1ee3c \u0111un n\u00f3ng, l\u1edbp ch\u1ea5t l\u1ecfng \u1edf d\u01b0\u1edbi n\u00f3ng l\u00ean tr\u01b0\u1edbc. L\u1edbp ch\u1ea5t l\u1ecfng n\u00e0y n\u1edf ra. D\u1eabn \u0111\u1ebfn tr\u1ecdng l\u01b0\u1ee3ng ri\u00eang tr\u1edf n\u00ean nh\u1ecf h\u01a1n tr\u1ecdng l\u01b0\u1ee3ng ri\u00eang c\u1ee7a l\u1edbp n\u01b0\u1edbc \u1edf tr\u00ean. c\u00f2n l\u1edbp n\u01b0\u1edbc l\u1ea1nh \u1edf tr\u00ean ch\u00ecm xu\u1ed1ng th\u1ebf ch\u1ed7 cho l\u1edbp n\u01b0\u1edbc n\u00e0y \u0111\u1ec3 l\u1ea1i \u0111\u01b0\u1ee3c \u0111un n\u00f3ng\u2026. C\u1ee9 th\u1ec3 cho t\u1edbi khi c\u1ea3 kh\u1ed1i ch\u1ea5t l\u1ecfng n\u00f3ng l\u00ean. \u0110\u1ed1i l\u01b0u b\u1ee9c x\u1ea1 nhi\u1ec7t lu\u00f4n \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u c\u00f9ng nhau. B\u1edfi \u0111\u00e2y l\u00e0 2 c\u00e1ch truy\u1ec1n nhi\u1ec7t.<\/p>\n\n\n\n
B\u1ee9c x\u1ea1 nhi\u1ec7t l\u00e0 g\u00ec? \u2013 \u0110\u1ed1i l\u01b0u b\u1ee9c x\u1ea1 nhi\u1ec7t<\/p>\n\n\n\n
N\u1ebfu nh\u01b0 ph\u00eda tr\u00ean, ch\u00fang ta n\u00f3i \u0111\u1ebfn \u0111\u1ed1i l\u01b0u l\u00e0 c\u00e1ch truy\u1ec1n nhi\u1ec7t b\u1eb1ng c\u00e1c d\u00f2ng ch\u1ea5t l\u1ecfng ch\u1ea5t kh\u00ed. Th\u00ec \u0111\u1ebfn v\u1edbi b\u1ee9c x\u1ea1 nhi\u1ec7t l\u00e0 s\u1ef1 truy\u1ec1n nhi\u1ec7t b\u1eb1ng c\u00e1c tia nhi\u1ec7t \u0111i th\u1eb3ng. B\u1ee9c x\u1ea1 nhi\u1ec7t c\u00f3 th\u1ec3 x\u1ea3y ra trong m\u00f4i tr\u01b0\u1eddng ch\u00e2n kh\u00f4ng. \u0110\u00e2y c\u0169ng ch\u00ednh l\u00e0 s\u1ef1 \u0111\u1eb7c bi\u1ec7t c\u1ee7a c\u00e1ch truy\u1ec1n nhi\u1ec7t n\u00e0y.<\/p>\n\n\n\n
C\u01a1 ch\u1ebf c\u1ee7a b\u1ee9c x\u1ea1 nhi\u1ec7t ch\u00ednh l\u00e0 s\u1ef1 ph\u00e1t v\u00e0 thu n\u0103ng l\u01b0\u1ee3ng c\u1ee7a c\u00e1c nguy\u00ean t\u1eed. Khi electron c\u1ee7a c\u00e1c nguy\u00ean t\u1eed chuy\u1ec3n t\u1eeb m\u1ee9c n\u0103ng l\u01b0\u1ee3ng n\u00e0y sang m\u1ee9c n\u0103ng l\u01b0\u1ee3ng kh\u00e1c s\u1ebd x\u1ea3y ra s\u1ef1 thu ph\u00e1t n\u0103ng l\u01b0\u1ee3ng. B\u1ee9c x\u1ea1 nhi\u1ec7t c\u00f3 c\u00f9ng b\u1ea3n ch\u1ea5t v\u1edbi b\u1ee9c x\u1ea1 th\u1eb3ng v\u00e0 ph\u1ea3n x\u1ea1 kh\u00fac x\u1ea1,\u2026 C\u00e1c em ch\u1ec9 c\u1ea7n hi\u1ec3u \u0111\u01a1n gi\u1ea3n v\u1ec1 \u0111\u1ecbnh ngh\u0129a c\u1ee7a b\u1ee9c x\u1ea1 nhi\u1ec7t. B\u1edfi \u0111i\u1ec1u n\u00e0y c\u00e1c em kh\u00f4ng th\u1ec3 t\u1ef1 m\u00ecnh l\u00e0m th\u00ed nghi\u1ec7m \u0111\u1ec3 ki\u1ec3m ch\u1ee9ng \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n
B\u1ee9c x\u1ea1 nhi\u1ec7t l\u00e0 g\u00ec?<\/p>\n\n\n\n
Ch\u00fang ta c\u00f3 th\u1ec3 l\u1ea5y m\u1ed9t v\u00ed d\u1ee5 v\u1ec1 b\u1ee9c x\u1ea1 nhi\u1ec7t trong cu\u1ed9c s\u1ed1ng th\u01b0\u1eddng ng\u00e0y. \u0110\u00f3 ch\u00ednh l\u00e0 nh\u1eefng mi\u1ebfng t\u00f4n l\u1ee3p m\u00e1i nh\u00e0. Khi \u1edf d\u01b0\u1edbi tr\u1eddi n\u1eafng, mi\u1ebfng t\u00f4n tr\u1edf n\u00ean n\u00f3ng h\u01a1n. \u0110\u00e2y ch\u00ednh l\u00e0 do mi\u1ebfng t\u00f4n \u0111\u00e3 h\u1ea5p th\u1ee5 nhi\u1ec7t t\u1eeb m\u1eb7t tr\u1eddi. B\u1ee9c x\u1ea1 nhi\u1ec7t t\u1eeb n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t c\u1ee7a m\u1eb7t tr\u1eddi h\u1ea5p th\u1ee5 sang mi\u1ebfng t\u00f4n. C\u00e1c em c\u00f3 th\u1ec3 ghi nh\u1edb v\u00ed d\u1ee5 n\u00e0y \u0111\u1ec3 l\u00e0m b\u00e0i t\u1eadp v\u1ec1 \u0111\u1ed1i l\u01b0u b\u1ee9c x\u1ea1 nhi\u1ec7t.<\/p>\n\n\n\n
Nh\u1eefng l\u01b0u \u00fd v\u1ec1 b\u1ee9c x\u1ea1 nhi\u1ec7t<\/p>\n\n\n\n
C\u00e1c nh\u00e0 v\u1eadt l\u00fd h\u1ecdc \u0111\u00e3 l\u00e0m th\u00ed nghi\u1ec7m v\u00e0 \u0111\u01b0a ra nh\u1eefng ch\u00fa \u00fd v\u1ec1 b\u1ee9c x\u1ea1 nhi\u1ec7t. Nh\u1eefng v\u1eadt c\u00f3 b\u1ec1 m\u1eb7t x\u00f9 x\u00ec v\u00e0 c\u00f3 m\u00e0u t\u1ed1i th\u00ec h\u1ea5p th\u1ee5 tia nhi\u1ec7t c\u00e0ng nhi\u1ec1u. Ch\u00fang ta ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 c\u1ea3m nh\u1eadn \u0111i\u1ec1u n\u00e0y v\u00e0o m\u00f9a h\u00e8. Khi ra \u0111\u01b0\u1eddng n\u1ebfu ch\u1ecdn \u00e1o t\u1ed1i m\u00e0u, th\u00ec ch\u00fang ta s\u1ebd c\u1ea3m th\u1ea5y n\u00f3ng r\u00e1t h\u01a1n khi ch\u1ecdn \u00e1o m\u00e0u s\u00e1ng. Ta n\u00f3i, nh\u1eefng v\u1eadt c\u00f3 m\u00e0u s\u1eafc s\u1eabm s\u1ebd h\u1ea5p th\u1ee5 nhi\u1ec7t t\u1ed1t h\u01a1n. Nh\u1edb v\u1ec1 nh\u1eefng l\u01b0u \u00fd \u0111\u1ed1i l\u01b0u b\u1ee9c x\u1ea1 nhi\u1ec7t c\u00e1c em ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 gi\u1ea3i th\u00edch c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng th\u01b0\u1eddng ng\u00e0y.<\/p>\n\n\n\n
Tr\u00e1i l\u1ea1i v\u1edbi nh\u1eefng v\u1eadt c\u00f3 b\u1ec1 m\u1eb7t x\u00f9 x\u00ec, m\u00e0u s\u1eabm. Th\u00ec nh\u1eefng v\u1eadt c\u00f3 b\u1ec1 m\u1eb7t nh\u1eb5n m\u00e0u s\u1eafng s\u1ebd \u00edt nh\u1ea5t th\u1ee5 nhi\u1ec7t h\u01a1n. Hay ta n\u00f3i, qu\u00e1 tr\u00ecnh b\u1ee9c x\u1ea1 nhi\u1ec7t \u1edf nh\u1eefng v\u1eadt c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m n\u00e0y di\u1ec5n ra \u00edt h\u01a1n. Ch\u00ednh v\u00ec v\u1eady, trong m\u00f9a h\u00e8, c\u00e1c b\u1ea1n mu\u1ed1n \u00edt b\u1ecb n\u00f3ng c\u00f3 th\u1ec3 ch\u1ecdn \u00e1o s\u00e1ng m\u00e0u. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 \u0111\u00fang v\u1edbi qu\u1ea7n \u00e1o m\u00e0 t\u1ea5t c\u1ea3 c\u00e1c v\u1eadt kh\u00e1c. Ngay c\u1ea3 ch\u1ecdn m\u00e0u s\u01a1n t\u01b0\u1eddng nh\u00e0, hay m\u00e0u s\u1eafc c\u1ee7a \u00f4 c\u0169ng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u0111i\u1ec1u n\u00e0y. \u0110\u1ed1i l\u01b0u b\u1ee9c x\u1ea1 nhi\u1ec7t l\u00e0 m\u1ed9t trong c\u00e1c c\u00e1ch truy\u1ec1n nhi\u1ec7t cho v\u1eadt t\u1ed1t nh\u1ea5t.<\/p>\n\n\n\n
C\u00e1c d\u1ea1ng b\u00e0i t\u1eadp v\u1ec1 \u0111\u1ed1i l\u01b0u b\u1ee9c x\u1ea1 nhi\u1ec7t<\/p>\n\n\n\n
Trong ch\u1ee7 \u0111\u1ec1 \u0111\u1ed1i l\u01b0u b\u1ee9c x\u1ea1 nhi\u1ec7t c\u00e1c em s\u1ebd ph\u1ea3i quen v\u1edbi c\u00e1c b\u00e0i t\u1eadp v\u1eadn d\u1ee5ng. Nh\u1eefng b\u00e0i d\u1ea1ng c\u00e2u h\u1ecfi \u1ee9ng d\u1ee5ng, y\u00eau c\u1ea7u gi\u1ea3i th\u00edch. Vi\u1ec7c c\u1ea7n l\u00e0m, ch\u00ednh l\u00e0 nh\u1edb v\u1ec1 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a \u0111\u1ed1i l\u01b0u b\u1ee9c x\u1ea1 nhi\u1ec7t. C\u00e1c em ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 gi\u1ea3i th\u00edch ho\u1eb7c t\u00ecm ra c\u00e1ch \u0111\u1ec3 gi\u1ea3i th\u00edch hi\u1ec7n t\u01b0\u1ee3ng. \u0110\u1ec1 b\u00e0i s\u1ebd \u0111\u01b0a ra cho c\u00e1c em m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng ho\u1eb7c y\u00eau c\u1ea7u gi\u1ea3m, t\u0103ng nhi\u1ec7t l\u01b0\u1ee3ng. C\u00e1c em s\u1ebd d\u1ef1a tr\u00ean d\u1eef ki\u1ec7n \u0111\u1ec3 b\u00e0i \u0111\u01b0a ra \u0111\u1ec3 l\u1ef1a ch\u1ecdn \u0111\u01b0\u1ee3c c\u00e1ch truy\u1ec1n nhi\u1ec7t ch\u00ednh x\u00e1c.<\/p>\n\n\n\n
Th\u00ed nghi\u1ec7m v\u1ec1 b\u1ee9c x\u1ea1 nhi\u1ec7t<\/p>\n\n\n\n
V\u1ec1 c\u01a1 b\u1ea3n, \u0111\u1ed1i l\u01b0u, b\u1ee9c x\u1ea1 nhi\u1ec7t hay truy\u1ec1n nhi\u1ec7t c\u01a1 h\u1ecdc \u0111\u1ec1u l\u00e0 1 trong nh\u1eefng c\u00e1ch t\u0103ng nhi\u1ec7t l\u01b0\u1ee3ng cho v\u1eadt. C\u00e1c em ph\u00e2n bi\u1ec7t \u0111\u01b0\u1ee3c c\u00e1c tr\u01b0\u1eddng h\u1ee3p n\u00e0y th\u00ec s\u1ebd ch\u1ecdn \u0111\u01b0\u1ee3c c\u00e1ch l\u00e0m ch\u00ednh x\u00e1c.<\/p>\n\n\n\n
\u0110\u00f4i khi, c\u00e1c em s\u1ebd g\u1eb7p ch\u1ee7 \u0111\u1ec1 n\u00e0y trong d\u1ea1ng b\u00e0i tr\u1eafc nghi\u1ec7m. Tuy nhi\u00ean nh\u1eefng c\u00e2u h\u1ecfi \u0111\u01b0\u1ee3c \u0111\u01b0a ra ch\u1ec9 xoay quanh l\u00fd thuy\u1ebft \u0111\u1ed1i l\u01b0u b\u1ee9c x\u1ea1 nhi\u1ec7t. H\u1ecdc thu\u1ed9c \u0111\u1ecbnh ngh\u0129a v\u00e0 nh\u1eefng l\u01b0u \u00fd. C\u00e1c em s\u1ebd ch\u1ecdn \u0111\u01b0\u1ee3c \u0111\u00e1p \u00e1n ch\u00ednh x\u00e1c cho nh\u1eefng c\u00e2u h\u1ecfi tr\u1eafc nghi\u1ec7m n\u00e0y.<\/p>\n\n\n\n
M\u1ed9t s\u1ed1 v\u00ed d\u1ee5 v\u1ec1 b\u00e0i t\u1eadp \u0111\u1ed1i l\u01b0u b\u1ee9c x\u1ea1 nhi\u1ec7t<\/p>\n\n\n\n
Ch\u00fang t\u00f4i \u0111\u00e3 t\u1ed5ng h\u1ee3p m\u1ed9t s\u1ed1 b\u00e0i t\u1eadp v\u1ec1 ch\u1ee7 \u0111\u1ec1 \u0111\u1ed1i l\u01b0u b\u1ee9c x\u1ea1 nhi\u1ec7t d\u01b0\u1edbi \u0111\u00e2y. C\u00e1c em h\u00e3y \u0111\u1ecdc v\u00e0 tham kh\u1ea3o c\u00e1ch l\u00e0m nh\u00e9! Nh\u1eefng v\u00ed d\u1ee5 n\u00e0y c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n trong \u0111\u1ec1 b\u00e0i tr\u00ean l\u1edbp c\u1ee7a c\u00e1c em.<\/p>\n\n\n\n
B\u00e0i 1:<\/p>\n\n\n\n
C\u00f3 nh\u1eefng c\u00e1ch truy\u1ec1n nhi\u1ec7t n\u00e0o? C\u00e1c ch\u1ea5t r\u1eafn l\u1ecfng kh\u00ed, ch\u00e2n kh\u00f4ng truy\u1ec1n nhi\u1ec7t ch\u1ee7 y\u1ebfu b\u1eb1ng h\u00ecnh th\u1ee9c n\u00e0o? L\u1ea5y v\u00ed d\u1ee5 trong th\u1ef1c t\u1ebf.<\/p>\n\n\n\n
L\u1eddi gi\u1ea3i:<\/p>\n\n\n\n
C\u00f3 3 h\u00ecnh th\u1ee9c truy\u1ec1n nhi\u1ec7t n\u0103ng \u0111\u00e3 \u0111\u01b0\u1ee3c h\u1ecdc ch\u00ednh l\u00e0: D\u1eabn nhi\u1ec7t, \u0111\u1ed1i l\u01b0u, b\u1ee9c x\u1ea1 nhi\u1ec7t. Ch\u1ea5t r\u1eafn th\u01b0\u1eddng s\u1ebd c\u00f3 c\u00e1ch truy\u1ec1n nhi\u1ec7t ch\u1ee7 y\u1ebfu b\u1eb1ng h\u00ecnh th\u1ee9c d\u1eabn nhi\u1ec7t. C\u00f2n ch\u1ea5t l\u1ecfng truy\u1ec1n nhi\u1ec7t ch\u1ee7 y\u1ebfu b\u1eb1ng h\u00ecnh th\u1ee9c \u0111\u1ed1i l\u01b0u. Ch\u00e2n kh\u00f4ng truy\u1ec1n nhi\u1ec7t b\u1eb1ng h\u00ecnh th\u1ee9c b\u1ee9c x\u1ea1 nhi\u1ec7t.<\/p>\n\n\n\n
V\u00ed d\u1ee5:<\/p>\n\n\n\n
Xoong, n\u1ed3i th\u01b0\u1eddng l\u00e0m b\u1eb1ng kim lo\u1ea1i, khi \u0111un ch\u1ea5t l\u1ecfng bao gi\u1edd c\u0169ng \u0111un t\u1eeb d\u01b0\u1edbi \u0111un l\u00ean.<\/p>\n\n\n\n
\u00c1nh s\u00e1ng m\u1eb7t tr\u1eddi c\u00f3 th\u1ec3 truy\u1ec1n nhi\u1ec7t \u0111\u1ebfn tr\u00e1i \u0111\u1ea5t nh\u1edd b\u1ee9c x\u1ea1 nhi\u1ec7t<\/p>\n\n\n\n
B\u00e0i 2:<\/p>\n\n\n\n
B\u00e0i t\u1eadp v\u1eadn d\u1ee5ng<\/p>\n\n\n\n
Trong \u0111\u1eddi s\u1ed1ng h\u00e0ng ng\u00e0y, c\u00f3 \u0111\u1ed3 d\u00f9ng n\u00e0o h\u1ea1n ch\u1ebf \u0111\u01b0\u1ee3c c\u00e1c c\u00e1ch truy\u1ec1n nhi\u1ec7t m\u00e0 gi\u1eef \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 l\u00e2u d\u00e0i kh\u00f4ng ?<\/p>\n\n\n\n
L\u1eddi gi\u1ea3i<\/p>\n\n\n\n
\u0110\u1ed3 d\u00f9ng gi\u1eef nhi\u1ec7t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u nh\u1ea5t trong cu\u1ed9c s\u1ed1ng h\u1eb1ng ng\u00e0y l\u00e0 Ph\u00edch. \u0110\u1ed3 v\u1eadt n\u00e0y c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 B\u00ecnh th\u1ee7y. \u0110\u00e2y l\u00e0 m\u1ed9t b\u00ecnh th\u1ee7y tinh 2 l\u1edbp. Gi\u1eefa 2 l\u1edbp th\u1ee7y tinh n\u00e0y l\u00e0 ch\u00e2n kh\u00f4ng \u0111\u1ec3 ng\u0103n c\u1ea3n s\u1ef1 d\u1eabn nhi\u1ec7t.<\/p>\n\n\n\n
Hai m\u1eb7t \u0111\u1ed1i di\u1ec7n c\u1ee7a 2 l\u1edbp th\u1ee7y tinh \u0111\u01b0\u1ee3c tr\u00e1ng b\u1ea1c \u0111\u1ec3 ph\u1ea3n x\u1ea1 c\u00e1c tia nhi\u1ec7t tr\u1edf l\u1ea1i n\u01b0\u1edbc \u0111\u1ef1ng trong ph\u00edch. Ph\u00edch \u0111\u01b0\u1ee3c \u0111\u1eady n\u00fat th\u1eadt k\u00edn \u0111\u1ec3 ng\u0103n c\u1ea3n s\u1ef1 truy\u1ec1n nhi\u1ec7t b\u1eb1ng \u0111\u1ed1i l\u01b0u ra ngo\u00e0i. Nh\u1edd \u0111\u00f3 m\u00e0 ph\u00edch gi\u1eef \u0111\u01b0\u1ee3c n\u01b0\u1edbc n\u00f3ng l\u00e2u d\u00e0i.<\/p>\n\n\n\n
C\u00f3 th\u1ec3 n\u00f3i, nh\u1eefng ki\u1ebfn th\u1ee9c ch\u00fang t\u00f4i \u0111\u1ec1 c\u1eadp tr\u00ean \u0111\u00e2y \u0111\u1ec1u l\u00e0 l\u00fd thuy\u1ebft v\u00e0 v\u00ed d\u1ee5 v\u1ec1 \u0111\u1ed1i l\u01b0u, b\u1ee9c x\u1ea1 nhi\u1ec7t. Hy v\u1ecdng nh\u1eefng ki\u1ebfn th\u1ee9c n\u00e0y c\u00f3 th\u1ec3 \u0111em \u0111\u1ebfn cho c\u00e1c em c\u00e1ch ti\u1ebfp c\u1eadn b\u00e0i h\u1ecdc d\u1ec5 d\u00e0ng h\u01a1n. C\u00e1c em h\u00e3y ghi ch\u00e9p l\u1ea1i nh\u1eefng \u0111i\u1ec1u n\u00e0y \u0111\u1ec3 c\u00f3 th\u1ec3 v\u1eadn<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn C\u00f3 r\u1ea5t nhi\u1ec1u hi\u1ec7n t\u01b0\u1ee3ng trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y ch\u00fang ta kh\u00f4ng th\u1ec3 n\u00e0o gi\u1ea3i th\u00edch \u0111\u01b0\u1ee3c. Tuy nhi\u00ean, nh\u1edd c\u00f3 ki\u1ebfn th\u1ee9c v\u1eadt l\u00fd, nhi\u1ec1u \u0111i\u1ec1u t\u01b0\u1edfng ch\u1eebng kh\u00f3 kh\u0103n l\u1ea1i c\u1ef1c k\u1ef3 d\u1ec5 d\u00e0ng l\u00fd gi\u1ea3i. Kh\u00f4ng ph\u1ea3i t\u1ef1 nhi\u00ean, b\u1ed9 m\u00f4n v\u1eadt l\u00fd l\u1ea1i \u0111\u01b0\u1ee3c […]<\/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-1231","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\/1231","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=1231"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/1231\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=1231"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=1231"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=1231"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}