{"id":1583,"date":"2025-05-12T03:02:42","date_gmt":"2025-05-12T03:02:42","guid":{"rendered":"https:\/\/nbaem.com\/?p=1583"},"modified":"2025-05-12T03:03:22","modified_gmt":"2025-05-12T03:03:22","slug":"magnets-strongest","status":"publish","type":"post","link":"https:\/\/nbaem.com\/vi\/magnets-strongest\/","title":{"rendered":"Nam ch\u00e2m v\u0129nh c\u1eedu m\u1ea1nh nh\u1ea5t \u2013 Nam ch\u00e2m Neodymium"},"content":{"rendered":"

Nam ch\u00e2m v\u0129nh c\u1eedu m\u1ea1nh nh\u1ea5t \u2013 Nam ch\u00e2m Neodymium<\/h1>\n\n

Nam ch\u00e2m \u1edf kh\u1eafp m\u1ecdi n\u01a1i, nh\u01b0ng \u00edt ng\u01b0\u1eddi bi\u1ebft nam ch\u00e2m n\u00e0o th\u1ef1c s\u1ef1 d\u1eabn \u0111\u1ea7u v\u1ec1 s\u1ee9c m\u1ea1nh.<\/p>\n

Nam ch\u00e2m Neodymium l\u00e0 lo\u1ea1i nam ch\u00e2m v\u0129nh c\u1eedu m\u1ea1nh nh\u1ea5t hi\u1ec7n nay, v\u01b0\u1ee3t tr\u1ed9i h\u01a1n t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i kh\u00e1c v\u1ec1 c\u01b0\u1eddng \u0111\u1ed9 t\u1eeb v\u00e0 m\u1eadt \u0111\u1ed9 n\u0103ng l\u01b0\u1ee3ng.<\/strong><\/p>\n

\"nam

Nam ch\u00e2m v\u00f2ng \u2013 nam ch\u00e2m kh\u1ed1i \u2013 nam ch\u00e2m h\u00ecnh tr\u1ee5 \u2013 nam ch\u00e2m c\u00f3 l\u1ed7<\/p><\/div>\n

Nam ch\u00e2m Neodymium \u0111\u00e3 thay \u0111\u1ed5i c\u00e1ch ch\u00fang ta ngh\u0129 v\u1ec1 l\u1ef1c t\u1eeb. K\u00edch th\u01b0\u1edbc nh\u1ecf c\u1ee7a ch\u00fang che gi\u1ea5u s\u1ee9c m\u1ea1nh \u0111\u00e1ng kinh ng\u1ea1c. H\u00e3y c\u00f9ng kh\u00e1m ph\u00e1 \u0111i\u1ec1u l\u00e0m ch\u00fang tr\u1edf n\u00ean hi\u1ec7u qu\u1ea3 \u0111\u1ebfn v\u1eady\u2014v\u00e0 l\u00fd do t\u1ea1i sao ch\u00fang v\u1eabn kh\u00f4ng b\u1ecb v\u01b0\u1ee3t m\u1eb7t tr\u00ean th\u1ecb tr\u01b0\u1eddng.<\/p>\n

C\u01b0\u1eddng \u0111\u1ed9 nam ch\u00e2m cao nh\u1ea5t l\u00e0 bao nhi\u00eau?<\/h2>\n

H\u1ea7u h\u1ebft m\u1ecdi ng\u01b0\u1eddi ngh\u0129 r\u1eb1ng nam ch\u00e2m l\u1edbn ph\u1ea3i l\u00e0 m\u1ea1nh nh\u1ea5t. \u0110i\u1ec1u \u0111\u00f3 kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng \u0111\u00fang.<\/p>\n

C\u01b0\u1eddng \u0111\u1ed9 nam ch\u00e2m cao nh\u1ea5t \u0111\u1ebfn t\u1eeb nam ch\u00e2m Neodymium, \u0111\u1eb7c bi\u1ec7t l\u00e0 nh\u1eefng lo\u1ea1i c\u00f3 c\u1ea5p nh\u01b0 N52, c\u00f3 s\u1ea3n ph\u1ea9m n\u0103ng l\u01b0\u1ee3ng tr\u00ean 50 MGOe. Ch\u00fang t\u00f4i c\u0169ng c\u00f3 N54, N55. <\/strong><\/p>\n

\"\"<\/p>\n

Hi\u1ec3u r\u00f5 v\u1ec1 c\u01b0\u1eddng \u0111\u1ed9 nam ch\u00e2m theo c\u00e1ch th\u1ef1c t\u1ebf<\/h3>\n

\u0110\u1ec3 hi\u1ec3u v\u1ec1 c\u01b0\u1eddng \u0111\u1ed9 nam ch\u00e2m, t\u00f4i lu\u00f4n xem x\u00e9t s\u1ea3n ph\u1ea9m n\u0103ng l\u01b0\u1ee3ng t\u1ed1i \u0111a, hay (BH)max. Gi\u00e1 tr\u1ecb n\u00e0y cho bi\u1ebft l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng t\u1eeb m\u00e0 m\u1ed9t v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 l\u01b0u tr\u1eef. Gi\u00e1 tr\u1ecb cao h\u01a1n \u0111\u1ed3ng ngh\u0129a v\u1edbi nam ch\u00e2m m\u1ea1nh h\u01a1n. Nam ch\u00e2m Neodymium th\u01b0\u1eddng dao \u0111\u1ed9ng t\u1eeb 30 \u0111\u1ebfn 55 MGOe, t\u00f9y theo c\u1ea5p \u0111\u1ed9.<\/p>\n

D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ea3ng so s\u00e1nh nhanh:<\/p>\n\n\n\n\n\n\n\n\n
Lo\u1ea1i nam ch\u00e2m<\/th>\n(BH)max Ph\u1ea1m vi (MGOe)<\/th>\nC\u01b0\u1eddng \u0111\u1ed9 t\u01b0\u01a1ng \u0111\u1ed1i<\/th>\n<\/tr>\n<\/thead>\n
Ferrite (G\u1ed1m)<\/a><\/span><\/td>\n3 \u2013 4<\/td>\nTh\u1ea5p<\/td>\n<\/tr>\n
Alnico<\/a><\/span><\/td>\n5 \u2013 9<\/td>\nV\u1eeba ph\u1ea3i<\/td>\n<\/tr>\n
Samari C\u00f4ban<\/a><\/span><\/td>\n18 \u2013 30<\/td>\nCao<\/td>\n<\/tr>\n
Neodymium (NdFeB<\/span><\/a>)<\/span><\/td>\n30 \u2013 55<\/td>\nR\u1ea5t cao<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

N55 l\u00e0 c\u1ea5p \u0111\u1ed9 m\u1ea1nh nh\u1ea5t ph\u1ed5 bi\u1ebfn hi\u1ec7n nay. M\u1ed9t s\u1ed1 ph\u00f2ng th\u00ed nghi\u1ec7m \u0111\u00e3 t\u1ea1o ra c\u00e1c c\u1ea5p \u0111\u1ed9 cao h\u01a1n, nh\u01b0ng ch\u00fang kh\u00f4ng ph\u1ed5 bi\u1ebfn do chi ph\u00ed v\u00e0 v\u1ea5n \u0111\u1ec1 \u1ed5n \u0111\u1ecbnh.<\/p>\n

\u0110i\u1ec1u g\u00ec l\u00e0m cho nam ch\u00e2m m\u1ea1nh h\u01a1n?<\/h2>\n

M\u1ed9t s\u1ed1 nam ch\u00e2m tr\u00f4ng gi\u1ed1ng nhau nh\u01b0ng ho\u1ea1t \u0111\u1ed9ng r\u1ea5t kh\u00e1c bi\u1ec7t.<\/p>\n

\u0110\u1ed9 m\u1ea1nh c\u1ee7a nam ch\u00e2m ph\u1ee5 thu\u1ed9c v\u00e0o th\u00e0nh ph\u1ea7n v\u1eadt li\u1ec7u, c\u1ea5u tr\u00fac b\u00ean trong, quy tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 c\u1ea5p \u0111\u1ed9.<\/strong><\/p>\n

\"quy

Quy tr\u00ecnh s\u1ea3n xu\u1ea5t nam ch\u00e2m Neodymium<\/p><\/div>\n

Khoa h\u1ecdc \u0111\u1eb1ng sau \u0111\u1ed9 m\u1ea1nh c\u1ee7a nam ch\u00e2m<\/h3>\n

C\u00f3 b\u1ed1n y\u1ebfu t\u1ed1 ch\u00ednh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 m\u1ea1nh t\u1eeb tr\u01b0\u1eddng:<\/p>\n

1. Th\u00e0nh ph\u1ea7n<\/h4>\n

Nam ch\u00e2m neodymium \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb h\u1ed7n h\u1ee3p neodymium, s\u1eaft v\u00e0 boron (Nd\u2082Fe\u2081\u2084B). S\u1ef1 k\u1ebft h\u1ee3p n\u00e0y t\u1ea1o ra m\u1ed9t tr\u01b0\u1eddng t\u1eeb r\u1ea5t \u0111\u1eb7c. Nam ch\u00e2m ferrite, ng\u01b0\u1ee3c l\u1ea1i, s\u1eed d\u1ee5ng strontium ho\u1eb7c barium v\u00e0 c\u00f3 \u0111\u1ed9 m\u1ea1nh th\u1ea5p h\u01a1n nhi\u1ec1u.<\/p>\n

2. C\u1ea5u tr\u00fac tinh th\u1ec3<\/h4>\n

C\u00e1ch c\u00e1c nguy\u00ean t\u1eed s\u1eafp x\u1ebfp b\u00ean trong nam ch\u00e2m r\u1ea5t quan tr\u1ecdng. Nam ch\u00e2m neodymium c\u00f3 c\u1ea5u tr\u00fac tinh th\u1ec3 t\u1ee9 di\u1ec7n h\u1ed7 tr\u1ee3 \u0111\u1ed9 t\u1eeb h\u00f3a cao. C\u1ea5u tr\u00fac n\u00e0y gi\u00fap c\u1ed1 \u0111\u1ecbnh tr\u01b0\u1eddng t\u1eeb v\u00e0 ch\u1ed1ng l\u1ea1i s\u1ef1 m\u1ea5t t\u1eeb.<\/p>\n

\"C\u1ea5u

C\u1ea5u tr\u00fac tinh th\u1ec3 t\u1ee9 di\u1ec7n c\u1ee7a Nd\u2082Fe\u2081\u2084B<\/p><\/div>\n

3. C\u1ea5p \u0111\u1ed9<\/h4>\n

C\u1ea5p \u0111\u1ed9 (nh\u01b0 N35, N42, N55) cho bi\u1ebft nam ch\u00e2m m\u1ea1nh \u0111\u1ebfn m\u1ee9c n\u00e0o. C\u00e1c c\u1ea5p \u0111\u1ed9 cao h\u01a1n c\u00f3 nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng t\u1eeb h\u01a1n tr\u00ean m\u1ed7i \u0111\u01a1n v\u1ecb th\u1ec3 t\u00edch. Nh\u01b0ng nam ch\u00e2m c\u1ea5p cao c\u0169ng d\u1ec5 v\u1ee1 h\u01a1n v\u00e0 nh\u1ea1y nhi\u1ec7t h\u01a1n.<\/p>\n

4. Ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n xu\u1ea5t<\/h4>\n

Ph\u01b0\u01a1ng ph\u00e1p nung k\u1ebft, \u00e9p v\u00e0 ph\u1ee7 \u0111\u1ec1u \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a nam ch\u00e2m cu\u1ed1i c\u00f9ng. N\u1ebfu quy tr\u00ecnh s\u1ea3n xu\u1ea5t kh\u00f4ng nh\u1ea5t qu\u00e1n, nam ch\u00e2m c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng k\u00e9m ho\u1eb7c nhanh xu\u1ed1ng c\u1ea5p.<\/p>\n

D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y so s\u00e1nh:<\/p>\n\n\n\n\n\n\n\n\n
Y\u1ebfu t\u1ed1<\/th>\n\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 m\u1ea1nh<\/th>\nGhi ch\u00fa<\/th>\n<\/tr>\n<\/thead>\n
Th\u00e0nh ph\u1ea7n<\/td>\nR\u1ea5t cao<\/td>\nNdFeB l\u00e0 t\u1ed1t nh\u1ea5t<\/td>\n<\/tr>\n
C\u1ea5u tr\u00fac tinh th\u1ec3<\/td>\nCao<\/td>\nC\u1ea7n ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t<\/td>\n<\/tr>\n
C\u1ea5p \u0111\u1ed9<\/td>\nR\u1ea5t cao<\/td>\nN55 m\u1ea1nh nh\u1ea5t c\u00f3 s\u1eb5n r\u1ed9ng r\u00e3i<\/td>\n<\/tr>\n
Ch\u1ea5t l\u01b0\u1ee3ng quy tr\u00ecnh<\/td>\nV\u1eeba ph\u1ea3i \u0111\u1ebfn cao<\/td>\n\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u1ed9 b\u1ec1n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

T\u00f4i \u0111\u00e3 l\u00e0m vi\u1ec7c v\u1edbi nhi\u1ec1u nh\u00e0 cung c\u1ea5p. Nh\u1eefng nh\u00e0 cung c\u1ea5p t\u1ed1t nh\u1ea5t lu\u00f4n ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd b\u1ed1n y\u1ebfu t\u1ed1 n\u00e0y v\u1edbi ti\u00eau chu\u1ea9n QC nghi\u00eam ng\u1eb7t.<\/p>\n

Nam ch\u00e2m n\u00e0o m\u1ea1nh nh\u1ea5t?<\/h2>\n

Kh\u00f4ng ph\u1ea3i nam ch\u00e2m n\u00e0o c\u0169ng gi\u1ed1ng nhau\u2014ngay c\u1ea3 trong c\u00f9ng lo\u1ea1i.<\/p>\n

Nam ch\u00e2m neodymium m\u1ea1nh nh\u1ea5t, trong s\u1ed1 \u0111\u00f3, c\u1ea5p N55 cung c\u1ea5p hi\u1ec7u su\u1ea5t t\u1eeb tr\u01b0\u1eddng cao nh\u1ea5t.<\/strong><\/p>\n

So s\u00e1nh c\u00e1c c\u1ea5p \u0111\u1ed9 neodymium<\/h3>\n

H\u00e3y \u0111\u1ec3 t\u00f4i chia s\u1ebb m\u1ed9t ch\u00fat v\u1ec1 c\u00f4ng vi\u1ec7c h\u00e0ng ng\u00e0y c\u1ee7a m\u00ecnh. Khi kh\u00e1ch h\u00e0ng h\u1ecfi v\u1ec1 \u201cnam ch\u00e2m m\u1ea1nh nh\u1ea5t,\u201d t\u00f4i th\u01b0\u1eddng gi\u1edbi thi\u1ec7u nam ch\u00e2m neodymium N55. Nh\u1eefng chi\u1ebfc n\u00e0y mang l\u1ea1i l\u1ef1c h\u00fat cao nh\u1ea5t trong k\u00edch th\u01b0\u1edbc nh\u1ecf nh\u1ea5t.<\/p>\n

Nh\u01b0ng N55 kh\u00f4ng ph\u1ea3i l\u00e0 t\u1ed1t nh\u1ea5t cho m\u1ecdi m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng. N\u00f3 d\u1ec5 b\u1ecb s\u1ee9t m\u1ebb v\u00e0 m\u1ea5t s\u1ee9c m\u1ea1nh \u1edf nhi\u1ec7t \u0111\u1ed9 cao. V\u00ec v\u1eady, t\u00f4i th\u01b0\u1eddng \u0111\u1ec1 xu\u1ea5t N42 ho\u1eb7c N48 cho c\u00e1c \u1ee9ng d\u1ee5ng ngo\u00e0i tr\u1eddi ho\u1eb7c \u0111\u1ed9ng c\u01a1.<\/p>\n\n\n\n\n\n\n\n
C\u1ea5p \u0111\u1ed9<\/th>\n(BH)max (MGOe)<\/th>\nM\u1ee9c \u0111\u1ed9 m\u1ea1nh<\/th>\nCh\u1ecbu nhi\u1ec7t<\/th>\nGi\u00e1 th\u00e0nh<\/th>\n<\/tr>\n<\/thead>\n
N35<\/td>\n~35<\/td>\nTrung b\u00ecnh<\/td>\nT\u1ed1t<\/td>\nTh\u1ea5p<\/td>\n<\/tr>\n
N42<\/td>\n~42<\/td>\nCao<\/td>\nT\u1ed1t h\u01a1n<\/td>\nTrung b\u00ecnh<\/td>\n<\/tr>\n
N55<\/td>\n~55<\/td>\nCao nh\u1ea5t<\/td>\nTh\u1ea5p<\/td>\nCao<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

N\u1ebfu s\u1ee9c m\u1ea1nh l\u00e0 m\u1ee5c ti\u00eau duy nh\u1ea5t c\u1ee7a b\u1ea1n, h\u00e3y ch\u1ecdn N55. Nh\u01b0ng n\u1ebfu b\u1ea1n c\u1ea7n s\u1ef1 c\u00e2n b\u1eb1ng, N42 l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn tuy\u1ec7t v\u1eddi.<\/p>\n

T\u1ea1i sao nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm l\u1ea1i m\u1ea1nh \u0111\u1ebfn v\u1eady?<\/h2>\n

H\u1ea7u h\u1ebft m\u1ecdi ng\u01b0\u1eddi kh\u00f4ng bi\u1ebft t\u1ea1i sao nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm l\u1ea1i v\u01b0\u1ee3t tr\u1ed9i h\u01a1n c\u00e1c lo\u1ea1i kh\u00e1c d\u1ec5 d\u00e0ng.<\/p>\n

Nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm s\u1eed d\u1ee5ng c\u00e1c nguy\u00ean t\u1ed1 nh\u01b0 neodymium v\u00e0 samarium, c\u00f3 c\u00e1c electron kh\u00f4ng gh\u00e9p c\u1eb7p t\u1ea1o ra c\u00e1c tr\u01b0\u1eddng t\u1eeb m\u1ea1nh.<\/strong><\/p>\n

B\u00ed m\u1eadt n\u1eb1m \u1edf h\u00e0nh vi nguy\u00ean t\u1eed<\/h3>\n

C\u00e1c nguy\u00ean t\u1ed1 \u0111\u1ea5t hi\u1ebfm, \u0111\u1eb7c bi\u1ec7t l\u00e0 neodymium, c\u00f3 c\u1ea5u tr\u00fac electron \u0111\u1ed9c \u0111\u00e1o. Ch\u00fang c\u00f3 nhi\u1ec1u electron kh\u00f4ng gh\u00e9p c\u1eb7p \u1edf l\u1edbp ngo\u00e0i c\u00f9ng. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p t\u1ea1o ra c\u00e1c mi\u1ec1n t\u1eeb r\u1ea5t m\u1ea1nh. Khi c\u00e1c mi\u1ec1n n\u00e0y \u0111\u01b0\u1ee3c c\u0103n ch\u1ec9nh, ch\u00fang t\u1ea1o ra d\u00f2ng t\u1eeb tr\u01b0\u1eddng l\u1edbn.<\/p>\n

C\u00f3 hai lo\u1ea1i ch\u00ednh c\u1ee7a nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm:<\/p>\n

    \n
  • Nam ch\u00e2m neodymium (NdFeB)<\/strong>: M\u1ea1nh nh\u1ea5t, nh\u01b0ng nh\u1ea1y c\u1ea3m v\u1edbi nhi\u1ec7t v\u00e0 \u0103n m\u00f2n.<\/li>\n
  • Nam ch\u00e2m samarium-cobalt (SmCo)<\/strong>: M\u1ea1nh v\u00e0 \u1ed5n \u0111\u1ecbnh \u1edf nhi\u1ec7t \u0111\u1ed9 cao, nh\u01b0ng \u0111\u1eaft h\u01a1n.<\/li>\n<\/ul>\n\n\n\n\n\n\n
    Nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm<\/th>\nN\u0103ng l\u01b0\u1ee3ng t\u1ed1i \u0111a (MGOe)<\/th>\nCh\u1ecbu nhi\u1ec7t<\/th>\nCh\u1ed1ng \u0103n m\u00f2n<\/th>\n<\/tr>\n<\/thead>\n
    NdFeB<\/td>\nL\u00ean \u0111\u1ebfn 52<\/td>\nTh\u1ea5p<\/td>\nTh\u1ea5p<\/td>\n<\/tr>\n
    SmCo<\/td>\nL\u00ean \u0111\u1ebfn 32<\/td>\nCao<\/td>\nCao<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    T\u00f4i \u0111\u00e3 th\u1ea5y nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p chuy\u1ec3n sang s\u1eed d\u1ee5ng nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm \u0111\u1ec3 gi\u1ea3m k\u00edch th\u01b0\u1edbc v\u00e0 t\u0103ng hi\u1ec7u qu\u1ea3, t\u1eeb \u0111\u1ed9ng c\u01a1 \u0111\u1ebfn d\u1ee5ng c\u1ee5 y t\u1ebf.<\/p>\n

    K\u1ebft lu\u1eadn<\/h2>\n

    Nam ch\u00e2m neodymium v\u1eabn kh\u00f4ng th\u1ec3 s\u00e1nh b\u1eb1ng v\u1ec1 \u0111\u1ed9 m\u1ea1nh, khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho c\u00e1c \u1ee9ng d\u1ee5ng t\u1eeb tr\u01b0\u1eddng hi\u1ec7u su\u1ea5t cao.<\/p>","protected":false},"excerpt":{"rendered":"

    Nam ch\u00e2m v\u0129nh c\u1eedu m\u1ea1nh nh\u1ea5t \u2013 Nam ch\u00e2m Neodymium Nam ch\u00e2m xu\u1ea5t hi\u1ec7n kh\u1eafp n\u01a1i, nh\u01b0ng \u00edt ng\u01b0\u1eddi bi\u1ebft lo\u1ea1i n\u00e0o th\u1ef1c s\u1ef1 d\u1eabn \u0111\u1ea7u v\u1ec1 \u0111\u1ed9 m\u1ea1nh. Nam ch\u00e2m Neodymium l\u00e0 lo\u1ea1i nam ch\u00e2m v\u0129nh c\u1eedu m\u1ea1nh nh\u1ea5t hi\u1ec7n nay, v\u01b0\u1ee3t tr\u1ed9i h\u01a1n t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i kh\u00e1c v\u1ec1 \u0111\u1ed9 m\u1ea1nh t\u1eeb v\u00e0 m\u1eadt \u0111\u1ed9 n\u0103ng l\u01b0\u1ee3ng. Nam ch\u00e2m Neodymium \u0111\u00e3 thay \u0111\u1ed5i c\u00e1ch ch\u00fang ta ngh\u0129 v\u1ec1 t\u1eeb tr\u01b0\u1eddng [\u2026]<\/p>","protected":false},"author":1,"featured_media":1590,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1583","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/Xnip2025-05-12_10-40-53.jpg","_links":{"self":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1583","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/comments?post=1583"}],"version-history":[{"count":7,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1583\/revisions"}],"predecessor-version":[{"id":1596,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1583\/revisions\/1596"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media\/1590"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media?parent=1583"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/categories?post=1583"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/tags?post=1583"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}