{"id":1181,"date":"2022-08-03T07:38:42","date_gmt":"2022-08-03T07:38:42","guid":{"rendered":"https:\/\/nbaem.com\/?p=1181"},"modified":"2025-09-18T04:00:14","modified_gmt":"2025-09-18T04:00:14","slug":"type-of-magnetic-materials","status":"publish","type":"post","link":"https:\/\/nbaem.com\/vi\/type-of-magnetic-materials\/","title":{"rendered":"Lo\u1ea1i v\u1eadt li\u1ec7u t\u1eeb t\u00ednh"},"content":{"rendered":"<p><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"background-color: rgba(255,255,255,0);background-position: center center;background-repeat: no-repeat;border-width: 0px 0px 0px 0px;border-color:var(--awb-color3);border-style:solid;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\" style=\"background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;padding: 0px 0px 0px 0px;\"><style type=\"text\/css\">@media only screen and (max-width:1024px) {.fusion-title.fusion-title-1{margin-top:10px!important; margin-right:0px!important;margin-bottom:15px!important;margin-left:0px!important;}}@media only screen and (max-width:640px) {.fusion-title.fusion-title-1{margin-top:10px!important; margin-right:0px!important;margin-bottom:10px!important; margin-left:0px!important;}}<\/style><div class=\"fusion-title title fusion-title-1 fusion-sep-none fusion-title-text fusion-title-size-one\" style=\"margin-top:10px;margin-right:0px;margin-bottom:15px;margin-left:0px;\"><h1 class=\"title-heading-left\" style=\"margin:0;\"><h1><strong>Lo\u1ea1i v\u1eadt li\u1ec7u t\u1eeb t\u00ednh<\/strong><\/h1><\/h1><\/div><div ><span class=\"fusion-imageframe imageframe-none imageframe-1 hover-type-none\"><img decoding=\"async\" width=\"600\" height=\"427\" alt=\"B\u1ea3ng tu\u1ea7n ho\u00e0n\" title=\"B\u1ea3ng tu\u1ea7n ho\u00e0n\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2022\/08\/Periodic-table-1.png\" class=\"img-responsive wp-image-1185\" srcset=\"https:\/\/nbaem.com\/wp-content\/uploads\/2022\/08\/Periodic-table-1-200x142.png 200w, https:\/\/nbaem.com\/wp-content\/uploads\/2022\/08\/Periodic-table-1-400x285.png 400w, https:\/\/nbaem.com\/wp-content\/uploads\/2022\/08\/Periodic-table-1.png 600w\" sizes=\"(max-width: 640px) 100vw, 600px\" \/><\/span><\/div><div class=\"fusion-text fusion-text-1\"><p>T\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u v\u00e0 ch\u1ea5t \u0111\u1ec1u s\u1edf h\u1eefu m\u1ed9t s\u1ed1 lo\u1ea1i t\u00ednh ch\u1ea5t t\u1eeb t\u00ednh \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea d\u01b0\u1edbi \u0111\u00e2y trong b\u00e0i vi\u1ebft n\u00e0y. Nh\u01b0ng th\u00f4ng th\u01b0\u1eddng, t\u1eeb \u201cv\u1eadt li\u1ec7u t\u1eeb t\u00ednh\u201d ch\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c v\u1eadt li\u1ec7u s\u1eaft t\u1eeb (m\u00f4 t\u1ea3 b\u00ean d\u01b0\u1edbi), tuy nhi\u00ean, c\u00e1c v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00e0nh c\u00e1c lo\u1ea1i sau \u0111\u00e2y d\u1ef1a tr\u00ean c\u00e1c t\u00ednh ch\u1ea5t t\u1eeb t\u00ednh m\u00e0 ch\u00fang th\u1ec3 hi\u1ec7n. Hai lo\u1ea1i t\u1eeb t\u00ednh ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 ngh\u1ecbch t\u1eeb v\u00e0 thu\u1eadn t\u1eeb, chi\u1ebfm ph\u1ea7n l\u1edbn b\u1ea3ng tu\u1ea7n ho\u00e0n c\u00e1c nguy\u00ean t\u1ed1 \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng. C\u00e1c nguy\u00ean t\u1ed1 n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 kh\u00f4ng t\u1eeb t\u00ednh, trong khi nh\u1eefng nguy\u00ean t\u1ed1 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 t\u1eeb t\u00ednh tr\u00ean th\u1ef1c t\u1ebf \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i l\u00e0 s\u1eaft t\u1eeb. Lo\u1ea1i t\u1eeb t\u00ednh duy nh\u1ea5t kh\u00e1c \u0111\u01b0\u1ee3c quan s\u00e1t th\u1ea5y \u1edf c\u00e1c nguy\u00ean t\u1ed1 tinh khi\u1ebft \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng l\u00e0 ph\u1ea3n s\u1eaft t\u1eeb. Cu\u1ed1i c\u00f9ng, v\u1eadt li\u1ec7u t\u1eeb t\u00ednh c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i l\u00e0 feri t\u1eeb m\u1eb7c d\u00f9 \u0111i\u1ec1u n\u00e0y kh\u00f4ng \u0111\u01b0\u1ee3c quan s\u00e1t th\u1ea5y \u1edf b\u1ea5t k\u1ef3 nguy\u00ean t\u1ed1 tinh khi\u1ebft n\u00e0o m\u00e0 ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong c\u00e1c h\u1ee3p ch\u1ea5t, ch\u1eb3ng h\u1ea1n nh\u01b0 oxit h\u1ed7n h\u1ee3p, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ferit, t\u1eeb \u0111\u00f3 feri t\u1eeb c\u00f3 ngu\u1ed3n g\u1ed1c t\u00ean g\u1ecdi c\u1ee7a n\u00f3. Gi\u00e1 tr\u1ecb c\u1ee7a \u0111\u1ed9 c\u1ea3m t\u1eeb n\u1eb1m trong m\u1ed9t ph\u1ea1m vi c\u1ee5 th\u1ec3 cho m\u1ed7i lo\u1ea1i v\u1eadt li\u1ec7u.<\/p>\n<\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-builder-column-0{width:100% !important;margin-top : 0px;margin-bottom : 0px;}.fusion-builder-column-0 > .fusion-column-wrapper {padding-top : 0px !important;padding-right : 0px !important;margin-right : 1.92%;padding-bottom : 0px !important;padding-left : 0px !important;margin-left : 1.92%;}@media only screen and (max-width:1024px) {.fusion-body .fusion-builder-column-0{width:100% !important;}.fusion-builder-column-0 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}@media only screen and (max-width:640px) {.fusion-body .fusion-builder-column-0{width:100% !important;}.fusion-builder-column-0 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}<\/style><\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-flex-container.fusion-builder-row-1{ padding-top : 0px;margin-top : 0px;padding-right : 0px;padding-bottom : 0px;margin-bottom : 0px;padding-left : 0px;}<\/style><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-2 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"background-color: rgba(255,255,255,0);background-position: center center;background-repeat: no-repeat;border-width: 0px 0px 0px 0px;border-color:var(--awb-color3);border-style:solid;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_1_1 1_1 fusion-flex-column\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\" style=\"background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;padding: 0px 0px 0px 0px;\"><style type=\"text\/css\">@media only screen and (max-width:1024px) {.fusion-title.fusion-title-2{margin-top:10px!important; margin-right:0px!important;margin-bottom:15px!important;margin-left:0px!important;}}@media only screen and (max-width:640px) {.fusion-title.fusion-title-2{margin-top:10px!important; margin-right:0px!important;margin-bottom:10px!important; margin-left:0px!important;}}<\/style><div class=\"fusion-title title fusion-title-2 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"margin-top:10px;margin-right:0px;margin-bottom:15px;margin-left:0px;\"><h2 class=\"title-heading-left\" style=\"margin:0;\"><h2><strong>1\u3001V\u1eadt li\u1ec7u thu\u1eadn t\u1eeb<\/strong><\/h2><\/h2><\/div><div class=\"fusion-text fusion-text-2\"><p>C\u00e1c v\u1eadt li\u1ec7u kh\u00f4ng b\u1ecb nam ch\u00e2m h\u00fat m\u1ea1nh \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 v\u1eadt li\u1ec7u thu\u1eadn t\u1eeb. V\u00ed d\u1ee5: nh\u00f4m, thi\u1ebfc, magie, v.v. \u0110\u1ed9 t\u1eeb th\u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a ch\u00fang nh\u1ecf nh\u01b0ng d\u01b0\u01a1ng. V\u00ed d\u1ee5: \u0111\u1ed9 t\u1eeb th\u1ea9m c\u1ee7a nh\u00f4m l\u00e0: 1,00000065. C\u00e1c v\u1eadt li\u1ec7u nh\u01b0 v\u1eady ch\u1ec9 b\u1ecb t\u1eeb h\u00f3a khi \u0111\u01b0\u1ee3c \u0111\u1eb7t trong m\u1ed9t t\u1eeb tr\u01b0\u1eddng si\u00eau m\u1ea1nh v\u00e0 ho\u1ea1t \u0111\u1ed9ng theo h\u01b0\u1edbng c\u1ee7a t\u1eeb tr\u01b0\u1eddng.<\/p>\n<p>V\u1eadt li\u1ec7u thu\u1eadn t\u1eeb c\u00f3 c\u00e1c l\u01b0\u1ee1ng c\u1ef1c nguy\u00ean t\u1eed ri\u00eang l\u1ebb \u0111\u01b0\u1ee3c \u0111\u1ecbnh h\u01b0\u1edbng ng\u1eabu nhi\u00ean nh\u01b0 \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n<\/div><div ><span class=\"fusion-imageframe imageframe-none imageframe-2 hover-type-none\"><img decoding=\"async\" width=\"370\" height=\"248\" alt=\"V\u1eadt li\u1ec7u t\u1eeb paramagnetic\" title=\"V\u1eadt li\u1ec7u t\u1eeb paramagnetic\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2022\/08\/1659511263561-1.png\" class=\"img-responsive wp-image-1186\" srcset=\"https:\/\/nbaem.com\/wp-content\/uploads\/2022\/08\/1659511263561-1-200x134.png 200w, https:\/\/nbaem.com\/wp-content\/uploads\/2022\/08\/1659511263561-1.png 370w\" sizes=\"(max-width: 640px) 100vw, 370px\" \/><\/span><\/div><div class=\"fusion-text fusion-text-3\"><p>Do \u0111\u00f3, l\u1ef1c t\u1eeb t\u1ed5ng h\u1ee3p b\u1eb1ng 0. Khi m\u1ed9t t\u1eeb tr\u01b0\u1eddng ngo\u00e0i m\u1ea1nh \u0111\u01b0\u1ee3c \u0111\u1eb7t v\u00e0o, c\u00e1c l\u01b0\u1ee1ng c\u1ef1c t\u1eeb v\u0129nh c\u1eedu t\u1ef1 \u0111\u1ecbnh h\u01b0\u1edbng song song v\u1edbi t\u1eeb tr\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1eb7t v\u00e0o v\u00e0 t\u1ea1o ra s\u1ef1 t\u1eeb h\u00f3a d\u01b0\u01a1ng. V\u00ec s\u1ef1 \u0111\u1ecbnh h\u01b0\u1edbng c\u1ee7a c\u00e1c l\u01b0\u1ee1ng c\u1ef1c song song v\u1edbi t\u1eeb tr\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1eb7t v\u00e0o ch\u01b0a ho\u00e0n to\u00e0n, n\u00ean s\u1ef1 t\u1eeb h\u00f3a r\u1ea5t nh\u1ecf.<\/p>\n<\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-builder-column-1{width:100% !important;margin-top : 0px;margin-bottom : 0px;}.fusion-builder-column-1 > .fusion-column-wrapper {padding-top : 0px !important;padding-right : 0px !important;margin-right : 1.92%;padding-bottom : 0px !important;padding-left : 0px !important;margin-left : 1.92%;}@media only screen and (max-width:1024px) {.fusion-body .fusion-builder-column-1{width:100% !important;}.fusion-builder-column-1 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}@media only screen and (max-width:640px) {.fusion-body .fusion-builder-column-1{width:100% !important;}.fusion-builder-column-1 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}<\/style><\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-flex-container.fusion-builder-row-2{ padding-top : 0px;margin-top : 0px;padding-right : 0px;padding-bottom : 0px;margin-bottom : 0px;padding-left : 0px;}<\/style><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-3 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"background-color: rgba(255,255,255,0);background-position: center center;background-repeat: no-repeat;border-width: 0px 0px 0px 0px;border-color:var(--awb-color3);border-style:solid;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-2 fusion_builder_column_1_1 1_1 fusion-flex-column\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\" style=\"background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;padding: 0px 0px 0px 0px;\"><style type=\"text\/css\">@media only screen and (max-width:1024px) {.fusion-title.fusion-title-3{margin-top:10px!important; margin-right:0px!important;margin-bottom:15px!important;margin-left:0px!important;}}@media only screen and (max-width:640px) {.fusion-title.fusion-title-3{margin-top:10px!important; margin-right:0px!important;margin-bottom:10px!important; margin-left:0px!important;}}<\/style><div class=\"fusion-title title fusion-title-3 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"margin-top:10px;margin-right:0px;margin-bottom:15px;margin-left:0px;\"><h2 class=\"title-heading-left\" style=\"margin:0;\"><h2><strong>2\u3001V\u1eadt li\u1ec7u ngh\u1ecbch t\u1eeb<\/strong><\/h2><\/h2><\/div><div class=\"fusion-text fusion-text-4\"><p>C\u00e1c v\u1eadt li\u1ec7u b\u1ecb nam ch\u00e2m \u0111\u1ea9y l\u00f9i nh\u01b0 k\u1ebdm, th\u1ee7y ng\u00e2n, ch\u00ec, l\u01b0u hu\u1ef3nh, \u0111\u1ed3ng, b\u1ea1c, bitmut, g\u1ed7, v.v., \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 v\u1eadt li\u1ec7u ngh\u1ecbch t\u1eeb. \u0110\u1ed9 t\u1eeb th\u1ea9m c\u1ee7a ch\u00fang th\u1ea5p h\u01a1n m\u1ed9t ch\u00fat. V\u00ed d\u1ee5, \u0111\u1ed9 t\u1eeb th\u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a bitmut l\u00e0 0,00083, \u0111\u1ed3ng l\u00e0 0,000005 v\u00e0 g\u1ed7 l\u00e0 0,9999995. Ch\u00fang h\u01a1i b\u1ecb t\u1eeb h\u00f3a khi \u0111\u01b0\u1ee3c \u0111\u1eb7t trong m\u1ed9t t\u1eeb tr\u01b0\u1eddng r\u1ea5t m\u1ea1nh v\u00e0 ho\u1ea1t \u0111\u1ed9ng theo h\u01b0\u1edbng ng\u01b0\u1ee3c l\u1ea1i v\u1edbi t\u1eeb tr\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1eb7t v\u00e0o.<\/p>\n<p>Trong v\u1eadt li\u1ec7u ngh\u1ecbch t\u1eeb, hai t\u1eeb tr\u01b0\u1eddng t\u01b0\u01a1ng \u0111\u1ed1i y\u1ebfu g\u00e2y ra do qu\u1ef9 \u0111\u1ea1o quay v\u00e0 s\u1ef1 quay quanh tr\u1ee5c c\u1ee7a c\u00e1c electron quanh h\u1ea1t nh\u00e2n c\u00f3 h\u01b0\u1edbng ng\u01b0\u1ee3c nhau v\u00e0 tri\u1ec7t ti\u00eau l\u1eabn nhau. C\u00e1c l\u01b0\u1ee1ng c\u1ef1c t\u1eeb v\u0129nh c\u1eedu kh\u00f4ng c\u00f3 trong ch\u00fang. V\u1eadt li\u1ec7u ngh\u1ecbch t\u1eeb c\u00f3 r\u1ea5t \u00edt ho\u1eb7c kh\u00f4ng c\u00f3 \u1ee9ng d\u1ee5ng trong k\u1ef9 thu\u1eadt \u0111i\u1ec7n.<\/p>\n<p>Trong m\u1ed9t v\u1eadt li\u1ec7u ngh\u1ecbch t\u1eeb, c\u00e1c nguy\u00ean t\u1eed kh\u00f4ng c\u00f3 m\u00f4men t\u1eeb r\u00f2ng khi kh\u00f4ng c\u00f3 tr\u01b0\u1eddng ngo\u00e0i. D\u01b0\u1edbi \u1ea3nh h\u01b0\u1edfng c\u1ee7a m\u1ed9t tr\u01b0\u1eddng ngo\u00e0i (H), c\u00e1c electron quay t\u1ea1o n\u00ean chuy\u1ec3n \u0111\u1ed9ng ti\u1ec1n \u0111\u1ea1o v\u00e0 chuy\u1ec3n \u0111\u1ed9ng n\u00e0y, l\u00e0 m\u1ed9t lo\u1ea1i d\u00f2ng \u0111i\u1ec7n, t\u1ea1o ra m\u1ed9t s\u1ef1 t\u1eeb h\u00f3a (M) theo h\u01b0\u1edbng ng\u01b0\u1ee3c l\u1ea1i v\u1edbi tr\u01b0\u1eddng ngo\u00e0i. T\u1ea5t c\u1ea3 c\u00e1c v\u1eadt li\u1ec7u \u0111\u1ec1u c\u00f3 hi\u1ec7u \u1ee9ng ngh\u1ecbch t\u1eeb, tuy nhi\u00ean, hi\u1ec7u \u1ee9ng ngh\u1ecbch t\u1eeb th\u01b0\u1eddng b\u1ecb che l\u1ea5p b\u1edfi c\u00e1c hi\u1ec7u \u1ee9ng thu\u1eadn t\u1eeb ho\u1eb7c s\u1eaft t\u1eeb l\u1edbn h\u01a1n. Gi\u00e1 tr\u1ecb c\u1ee7a \u0111\u1ed9 c\u1ea3m t\u1eeb \u0111\u1ed9c l\u1eadp v\u1edbi nhi\u1ec7t \u0111\u1ed9.<\/p>\n<\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-builder-column-2{width:100% !important;margin-top : 0px;margin-bottom : 0px;}.fusion-builder-column-2 > .fusion-column-wrapper {padding-top : 0px !important;padding-right : 0px !important;margin-right : 1.92%;padding-bottom : 0px !important;padding-left : 0px !important;margin-left : 1.92%;}@media only screen and (max-width:1024px) {.fusion-body .fusion-builder-column-2{width:100% !important;}.fusion-builder-column-2 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}@media only screen and (max-width:640px) {.fusion-body .fusion-builder-column-2{width:100% !important;}.fusion-builder-column-2 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}<\/style><\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-flex-container.fusion-builder-row-3{ padding-top : 0px;margin-top : 0px;padding-right : 0px;padding-bottom : 0px;margin-bottom : 0px;padding-left : 0px;}<\/style><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-4 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"background-color: rgba(255,255,255,0);background-position: center center;background-repeat: no-repeat;border-width: 0px 0px 0px 0px;border-color:var(--awb-color3);border-style:solid;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-3 fusion_builder_column_1_1 1_1 fusion-flex-column\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\" style=\"background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;padding: 0px 0px 0px 0px;\"><style type=\"text\/css\">@media only screen and (max-width:1024px) {.fusion-title.fusion-title-4{margin-top:10px!important; margin-right:0px!important;margin-bottom:15px!important;margin-left:0px!important;}}@media only screen and (max-width:640px) {.fusion-title.fusion-title-4{margin-top:10px!important; margin-right:0px!important;margin-bottom:10px!important; margin-left:0px!important;}}<\/style><div class=\"fusion-title title fusion-title-4 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"margin-top:10px;margin-right:0px;margin-bottom:15px;margin-left:0px;\"><h2 class=\"title-heading-left\" style=\"margin:0;\"><h2><strong>3\u3001V\u1eadt li\u1ec7u s\u1eaft t\u1eeb<\/strong><\/h2><\/h2><\/div><div class=\"fusion-text fusion-text-5\"><p>C\u00e1c v\u1eadt li\u1ec7u b\u1ecb t\u1eeb tr\u01b0\u1eddng ho\u1eb7c nam ch\u00e2m h\u00fat m\u1ea1nh \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 v\u1eadt li\u1ec7u s\u1eaft t\u1eeb, v\u00ed d\u1ee5: s\u1eaft, th\u00e9p, niken, coban, v.v. \u0110\u1ed9 t\u1eeb th\u1ea9m c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u n\u00e0y r\u1ea5t r\u1ea5t cao (dao \u0111\u1ed9ng l\u00ean \u0111\u1ebfn v\u00e0i tr\u0103m ho\u1eb7c h\u00e0ng ngh\u00ecn).<\/p>\n<p>C\u00e1c hi\u1ec7u \u1ee9ng t\u1eeb t\u00ednh ng\u01b0\u1ee3c nhau c\u1ee7a chuy\u1ec3n \u0111\u1ed9ng qu\u1ef9 \u0111\u1ea1o electron v\u00e0 spin electron kh\u00f4ng tri\u1ec7t ti\u00eau l\u1eabn nhau trong m\u1ed9t nguy\u00ean t\u1eed c\u1ee7a v\u1eadt li\u1ec7u nh\u01b0 v\u1eady. C\u00f3 m\u1ed9t s\u1ef1 \u0111\u00f3ng g\u00f3p t\u01b0\u01a1ng \u0111\u1ed1i l\u1edbn t\u1eeb m\u1ed7i nguy\u00ean t\u1eed gi\u00fap thi\u1ebft l\u1eadp m\u1ed9t t\u1eeb tr\u01b0\u1eddng b\u00ean trong, \u0111\u1ec3 khi v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c \u0111\u1eb7t trong t\u1eeb tr\u01b0\u1eddng, gi\u00e1 tr\u1ecb c\u1ee7a n\u00f3 t\u0103ng l\u00ean nhi\u1ec1u l\u1ea7n so v\u1edbi gi\u00e1 tr\u1ecb c\u00f3 trong kh\u00f4ng gian t\u1ef1 do tr\u01b0\u1edbc khi v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf \u0111\u00f3.<\/p>\n<p>V\u00ec m\u1ee5c \u0111\u00edch c\u1ee7a k\u1ef9 thu\u1eadt \u0111i\u1ec7n, s\u1ebd \u0111\u1ee7 \u0111\u1ec3 ph\u00e2n lo\u1ea1i c\u00e1c v\u1eadt li\u1ec7u th\u00e0nh v\u1eadt li\u1ec7u s\u1eaft t\u1eeb v\u00e0 v\u1eadt li\u1ec7u phi s\u1eaft t\u1eeb. Lo\u1ea1i sau bao g\u1ed3m v\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 t\u1eeb th\u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i th\u1ef1c t\u1ebf b\u1eb1ng m\u1ed9t, trong khi lo\u1ea1i tr\u01b0\u1edbc c\u00f3 \u0111\u1ed9 t\u1eeb th\u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i l\u1edbn h\u01a1n m\u1ed9t nhi\u1ec1u l\u1ea7n. V\u1eadt li\u1ec7u thu\u1eadn t\u1eeb v\u00e0 ngh\u1ecbch t\u1eeb thu\u1ed9c v\u1eadt li\u1ec7u phi s\u1eaft t\u1eeb.<\/p>\n<p><strong>3.1 V\u1eadt li\u1ec7u s\u1eaft t\u1eeb m\u1ec1m<\/strong><\/p>\n<p>Ch\u00fang c\u00f3 \u0111\u1ed9 t\u1eeb th\u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i cao, l\u1ef1c kh\u1eed t\u1eeb th\u1ea5p, d\u1ec5 b\u1ecb t\u1eeb h\u00f3a v\u00e0 kh\u1eed t\u1eeb v\u00e0 c\u00f3 \u0111\u1ed9 tr\u1ec5 c\u1ef1c k\u1ef3 nh\u1ecf. V\u1eadt li\u1ec7u s\u1eaft t\u1eeb m\u1ec1m l\u00e0 s\u1eaft v\u00e0 c\u00e1c h\u1ee3p kim kh\u00e1c nhau c\u1ee7a n\u00f3 v\u1edbi c\u00e1c v\u1eadt li\u1ec7u nh\u01b0 niken, coban, vonfram v\u00e0 nh\u00f4m. D\u1ec5 t\u1eeb h\u00f3a v\u00e0 kh\u1eed t\u1eeb l\u00e0m cho ch\u00fang r\u1ea5t ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng li\u00ean quan \u0111\u1ebfn vi\u1ec7c thay \u0111\u1ed5i t\u1eeb th\u00f4ng nh\u01b0 trong nam ch\u00e2m \u0111i\u1ec7n, \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n, m\u00e1y ph\u00e1t \u0111i\u1ec7n, m\u00e1y bi\u1ebfn \u00e1p, cu\u1ed9n c\u1ea3m, b\u1ed9 thu \u0111i\u1ec7n tho\u1ea1i, r\u01a1 le, v.v. Ch\u00fang c\u0169ng h\u1eefu \u00edch cho vi\u1ec7c che ch\u1eafn t\u1eeb t\u00ednh. C\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng r\u1ea5t nhi\u1ec1u th\u00f4ng qua vi\u1ec7c s\u1ea3n xu\u1ea5t c\u1ea9n th\u1eadn v\u00e0 b\u1eb1ng c\u00e1ch nung n\u00f3ng v\u00e0 \u1ee7 ch\u1eadm \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 tinh khi\u1ebft tinh th\u1ec3 cao. M\u00f4men t\u1eeb l\u1edbn \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng l\u00e0m cho v\u1eadt li\u1ec7u s\u1eaft t\u1eeb m\u1ec1m c\u1ef1c k\u1ef3 h\u1eefu \u00edch cho c\u00e1c m\u1ea1ch t\u1eeb nh\u01b0ng v\u1eadt li\u1ec7u s\u1eaft t\u1eeb l\u00e0 ch\u1ea5t d\u1eabn \u0111i\u1ec7n r\u1ea5t t\u1ed1t v\u00e0 b\u1ecb t\u1ed5n th\u1ea5t n\u0103ng l\u01b0\u1ee3ng do d\u00f2ng \u0111i\u1ec7n xo\u00e1y \u0111\u01b0\u1ee3c t\u1ea1o ra b\u00ean trong ch\u00fang. C\u00f3 th\u00eam t\u1ed5n th\u1ea5t n\u0103ng l\u01b0\u1ee3ng do th\u1ef1c t\u1ebf l\u00e0 qu\u00e1 tr\u00ecnh t\u1eeb h\u00f3a kh\u00f4ng di\u1ec5n ra su\u00f4n s\u1ebb m\u00e0 di\u1ec5n ra theo nh\u1eefng b\u01b0\u1edbc nh\u1ea3y nh\u1ecf. T\u1ed5n th\u1ea5t n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 t\u1ed5n th\u1ea5t t\u1eeb d\u01b0 v\u00e0 n\u00f3 ph\u1ee5 thu\u1ed9c ho\u00e0n to\u00e0n v\u00e0o t\u1ea7n s\u1ed1 c\u1ee7a m\u1eadt \u0111\u1ed9 t\u1eeb th\u00f4ng thay \u0111\u1ed5i ch\u1ee9 kh\u00f4ng ph\u1ea3i v\u00e0o \u0111\u1ed9 l\u1edbn c\u1ee7a n\u00f3.<\/p>\n<p><strong>3.2 V\u1eadt li\u1ec7u s\u1eaft t\u1eeb c\u1ee9ng<\/strong><\/p>\n<p>Ch\u00fang c\u00f3 \u0111\u1ed9 t\u1eeb th\u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p v\u00e0 l\u1ef1c kh\u1eed t\u1eeb r\u1ea5t cao. Ch\u00fang kh\u00f3 b\u1ecb t\u1eeb h\u00f3a v\u00e0 kh\u1eed t\u1eeb. C\u00e1c v\u1eadt li\u1ec7u s\u1eaft t\u1eeb c\u1ee9ng \u0111i\u1ec3n h\u00ecnh bao g\u1ed3m th\u00e9p coban v\u00e0 c\u00e1c h\u1ee3p kim s\u1eaft t\u1eeb kh\u00e1c nhau c\u1ee7a coban, nh\u00f4m v\u00e0 niken. Ch\u00fang gi\u1eef l\u1ea1i t\u1ef7 l\u1ec7 t\u1eeb h\u00f3a cao v\u00e0 c\u00f3 t\u1ed5n th\u1ea5t t\u1eeb tr\u1ec5 t\u01b0\u01a1ng \u0111\u1ed1i cao. Ch\u00fang r\u1ea5t ph\u00f9 h\u1ee3p \u0111\u1ec3 s\u1eed d\u1ee5ng l\u00e0m nam ch\u00e2m v\u0129nh c\u1eedu nh\u01b0 loa, d\u1ee5ng c\u1ee5 \u0111o l\u01b0\u1eddng, v.v.<\/p>\n<\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-builder-column-3{width:100% !important;margin-top : 0px;margin-bottom : 0px;}.fusion-builder-column-3 > .fusion-column-wrapper {padding-top : 0px !important;padding-right : 0px !important;margin-right : 1.92%;padding-bottom : 0px !important;padding-left : 0px !important;margin-left : 1.92%;}@media only screen and (max-width:1024px) {.fusion-body .fusion-builder-column-3{width:100% !important;}.fusion-builder-column-3 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}@media only screen and (max-width:640px) {.fusion-body .fusion-builder-column-3{width:100% !important;}.fusion-builder-column-3 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}<\/style><\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-flex-container.fusion-builder-row-4{ padding-top : 0px;margin-top : 0px;padding-right : 0px;padding-bottom : 0px;margin-bottom : 0px;padding-left : 0px;}<\/style><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-5 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"background-color: rgba(255,255,255,0);background-position: center center;background-repeat: no-repeat;border-width: 0px 0px 0px 0px;border-color:var(--awb-color3);border-style:solid;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-4 fusion_builder_column_1_1 1_1 fusion-flex-column\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\" style=\"background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;padding: 0px 0px 0px 0px;\"><style type=\"text\/css\">@media only screen and (max-width:1024px) {.fusion-title.fusion-title-5{margin-top:10px!important; margin-right:0px!important;margin-bottom:15px!important;margin-left:0px!important;}}@media only screen and (max-width:640px) {.fusion-title.fusion-title-5{margin-top:10px!important; margin-right:0px!important;margin-bottom:10px!important; margin-left:0px!important;}}<\/style><div class=\"fusion-title title fusion-title-5 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"margin-top:10px;margin-right:0px;margin-bottom:15px;margin-left:0px;\"><h2 class=\"title-heading-left\" style=\"margin:0;\"><h2><strong>4\u3001Ferit<\/strong><\/h2><\/h2><\/div><div class=\"fusion-text fusion-text-6\"><p>Ferit l\u00e0 m\u1ed9t nh\u00f3m \u0111\u1eb7c bi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u s\u1eaft t\u1eeb chi\u1ebfm m\u1ed9t v\u1ecb tr\u00ed trung gian gi\u1eefa v\u1eadt li\u1ec7u s\u1eaft t\u1eeb v\u00e0 v\u1eadt li\u1ec7u phi s\u1eaft t\u1eeb. Ch\u00fang bao g\u1ed3m c\u00e1c h\u1ea1t c\u1ef1c k\u1ef3 m\u1ecbn c\u1ee7a v\u1eadt li\u1ec7u s\u1eaft t\u1eeb c\u00f3 \u0111\u1ed9 t\u1eeb th\u1ea9m cao, v\u00e0 \u0111\u01b0\u1ee3c gi\u1eef v\u1edbi nhau b\u1eb1ng m\u1ed9t lo\u1ea1i nh\u1ef1a li\u00ean k\u1ebft. S\u1ef1 t\u1eeb h\u00f3a \u0111\u01b0\u1ee3c t\u1ea1o ra trong ferit \u0111\u1ee7 l\u1edbn \u0111\u1ec3 c\u00f3 gi\u00e1 tr\u1ecb th\u01b0\u01a1ng m\u1ea1i nh\u01b0ng \u0111\u1ed9 b\u00e3o h\u00f2a t\u1eeb c\u1ee7a ch\u00fang kh\u00f4ng cao b\u1eb1ng v\u1eadt li\u1ec7u s\u1eaft t\u1eeb. T\u01b0\u01a1ng t\u1ef1 nh\u01b0 tr\u01b0\u1eddng h\u1ee3p c\u1ee7a v\u1eadt li\u1ec7u s\u1eaft t\u1eeb, ferit c\u00f3 th\u1ec3 l\u00e0 ferit m\u1ec1m ho\u1eb7c ferit c\u1ee9ng.<\/p>\n<p><strong>4.1 Ferit m\u1ec1m<\/strong><\/p>\n<p>Nam ch\u00e2m g\u1ed1m s\u1ee9 c\u00f2n g\u1ecdi l\u00e0 g\u1ed1m s\u1ee9 ferromagnetic, \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb oxit s\u1eaft, Fe2O3, v\u1edbi m\u1ed9t ho\u1eb7c nhi\u1ec1u oxit hai valence nh\u01b0 NiO, MnO ho\u1eb7c ZnO. Nh\u1eefng nam ch\u00e2m n\u00e0y c\u00f3 v\u00f2ng hysteresis h\u00ecnh vu\u00f4ng v\u00e0 c\u00f3 \u0111i\u1ec7n tr\u1edf cao c\u00f9ng kh\u1ea3 n\u0103ng kh\u1eed t\u1eeb m\u1ea1nh, \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cao cho c\u00e1c m\u00e1y t\u00ednh n\u01a1i y\u00eau c\u1ea7u \u0111i\u1ec7n tr\u1edf cao. \u01afu \u0111i\u1ec3m l\u1edbn c\u1ee7a ferrites l\u00e0 \u0111i\u1ec7n tr\u1edf su\u1ea5t cao c\u1ee7a ch\u00fang. C\u00e1c nam ch\u00e2m th\u01b0\u01a1ng m\u1ea1i c\u00f3 \u0111i\u1ec7n tr\u1edf su\u1ea5t l\u00ean t\u1edbi 10^9 ohm-cm. C\u00e1c d\u00f2ng d\u00f2ng c\u1ea3m \u1ee9ng do c\u00e1c tr\u01b0\u1eddng thay \u0111\u1ed5i g\u00e2y ra do d\u00f2ng xo\u00e1y do \u0111\u00f3 \u0111\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u t\u1ed1i \u0111a, v\u00e0 ph\u1ea1m vi \u1ee9ng d\u1ee5ng c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u t\u1eeb n\u00e0y \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng \u0111\u1ebfn t\u1ea7n s\u1ed1 cao, th\u1eadm ch\u00ed \u0111\u1ebfn s\u00f3ng vi ba. Ferrites \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o c\u1ea9n th\u1eadn b\u1eb1ng c\u00e1ch tr\u1ed9n oxit d\u1ea1ng b\u1ed9t, n\u00e9n v\u00e0 nung \u1edf nhi\u1ec7t \u0111\u1ed9 cao. C\u00e1c bi\u1ebfn \u00e1p t\u1ea7n s\u1ed1 cao trong tivi v\u00e0 b\u1ed9 thu \u0111i\u1ec1u ch\u1ebf t\u1ea7n s\u1ed1 g\u1ea7n nh\u01b0 lu\u00f4n \u0111\u01b0\u1ee3c l\u00e0m v\u1edbi l\u00f5i ferrite.<\/p>\n<p><strong>4.2 Ferrites c\u1ee9ng<\/strong><\/p>\n<p>\u0110\u00e2y l\u00e0 c\u00e1c v\u1eadt li\u1ec7u t\u1eeb g\u1ed1m s\u1ee9 v\u0129nh c\u1eedu. Nh\u00f3m ferrites c\u1ee9ng quan tr\u1ecdng nh\u1ea5t c\u00f3 th\u00e0nh ph\u1ea7n c\u01a1 b\u1ea3n l\u00e0 MO.Fe2O3, trong \u0111\u00f3 M l\u00e0 ion bari (Ba) ho\u1eb7c stronti (Sr). Nh\u1eefng v\u1eadt li\u1ec7u n\u00e0y c\u00f3 c\u1ea5u tr\u00fac l\u1ee5c gi\u00e1c v\u00e0 c\u00f3 chi ph\u00ed c\u00f9ng m\u1eadt \u0111\u1ed9 th\u1ea5p. Ferrites c\u1ee9ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c m\u00e1y ph\u00e1t \u0111i\u1ec7n, r\u01a1 le v\u00e0 \u0111\u1ed9ng c\u01a1. C\u00e1c \u1ee9ng d\u1ee5ng \u0111i\u1ec7n t\u1eed bao g\u1ed3m nam ch\u00e2m cho loa, chu\u00f4ng \u0111i\u1ec7n tho\u1ea1i v\u00e0 b\u1ed9 thu. Ch\u00fang c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb gi\u1eef nh\u01b0 ch\u1ed1t c\u1eeda, ni\u00eam phong, ch\u1ed1t kh\u00f3a v\u00e0 trong nhi\u1ec1u thi\u1ebft k\u1ebf \u0111\u1ed3 ch\u01a1i.<\/p>\n<p>Ngu\u1ed3n g\u1ed1c ban \u0111\u1ea7u:\u00a0<a href=\"https:\/\/electronicspani.com\/types-of-magnetic-materials\/\" rel=\"noopener\">https:\/\/electronicspani.com\/types-of-magnetic-materials\/<\/a><\/p>\n<\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-builder-column-4{width:100% !important;margin-top : 0px;margin-bottom : 0px;}.fusion-builder-column-4 > .fusion-column-wrapper {padding-top : 0px !important;padding-right : 0px !important;margin-right : 1.92%;padding-bottom : 0px !important;padding-left : 0px !important;margin-left : 1.92%;}@media only screen and (max-width:1024px) {.fusion-body .fusion-builder-column-4{width:100% !important;}.fusion-builder-column-4 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}@media only screen and (max-width:640px) {.fusion-body .fusion-builder-column-4{width:100% !important;}.fusion-builder-column-4 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}<\/style><\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-flex-container.fusion-builder-row-5{ padding-top : 0px;margin-top : 0px;padding-right : 0px;padding-bottom : 0px;margin-bottom : 0px;padding-left : 0px;}<\/style><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-6 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"background-color: rgba(255,255,255,0);background-position: center center;background-repeat: no-repeat;border-width: 0px 0px 0px 0px;border-color:var(--awb-color3);border-style:solid;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-5 fusion_builder_column_1_1 1_1 fusion-flex-column\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\" style=\"background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;padding: 0px 0px 0px 0px;\"><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;margin-top:30px;margin-bottom:30px;width:100%;\"><div class=\"fusion-separator-border sep-single sep-solid\" style=\"border-color:var(--awb-color7);border-top-width:1px;\"><\/div><\/div><div class=\"fusion-text fusion-text-7\"><p>NBAEM l\u00e0 nh\u00e0 cung c\u1ea5p v\u1eadt li\u1ec7u t\u1eeb t\u00ednh chuy\u00ean nghi\u1ec7p t\u1eeb Trung Qu\u1ed1c. Ch\u00fang t\u00f4i \u0111\u00e3 xu\u1ea5t kh\u1ea9u c\u00e1c v\u1eadt li\u1ec7u t\u1eeb t\u00ednh t\u00f9y ch\u1ec9nh trong h\u01a1n m\u01b0\u1eddi n\u0103m. Ch\u00fang t\u00f4i cung c\u1ea5p s\u1ea3n ph\u1ea9m ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 d\u1ecbch v\u1ee5 ti\u00eau chu\u1ea9n cao. N\u1ebfu b\u1ea1n \u0111ang t\u00ecm ngu\u1ed3n cung c\u1ea5p v\u1eadt li\u1ec7u t\u1eeb t\u00ednh ho\u1eb7c c\u00f3 b\u1ea5t k\u1ef3 c\u00e2u h\u1ecfi n\u00e0o trong qu\u00e1 tr\u00ecnh nh\u1eadp kh\u1ea9u c\u00e1c s\u1ea3n ph\u1ea9m t\u1eeb t\u00ednh t\u1eeb Trung Qu\u1ed1c, b\u1ea1n c\u00f3 th\u1ec3 li\u00ean h\u1ec7 tr\u1ef1c ti\u1ebfp v\u1edbi ch\u00fang t\u00f4i.<\/p>\n<\/div><style type=\"text\/css\">.fusion-portfolio-wrapper#fusion-portfolio-1 .fusion-portfolio-content{  text-align: center; }<\/style><div class=\"fusion-recent-works fusion-portfolio-element fusion-portfolio fusion-portfolio-1 fusion-portfolio-grid fusion-portfolio-paging-pagination fusion-portfolio-four fusion-portfolio-unboxed fusion-portfolio-text fusion-portfolio-rollover\" data-id=\"-rw-1\" data-columns=\"four\"><div role=\"menubar\"><ul class=\"fusion-filters\" role=\"menu\" aria-label=\"b\u1ed9 l\u1ecdc\"><li role=\"menuitem\" class=\"fusion-filter fusion-filter-all fusion-active\"><a href=\"#\" data-filter=\"*\">T\u1ea5t c\u1ea3<\/a><\/li><li role=\"menuitem\" class=\"fusion-filter fusion-hidden\"><a href=\"#\" data-filter=\".magnetic-materials\">V\u1eadt li\u1ec7u t\u1eeb t\u00ednh<\/a><\/li><\/ul><\/div><style type=\"text\/css\">.fusion-portfolio-1 .fusion-portfolio-wrapper .fusion-col-spacing{padding:15px;}<\/style><div class=\"fusion-portfolio-wrapper\" id=\"fusion-portfolio-1\" data-picturesize=\"auto\" data-pages=\"1\" style=\"margin:-15px;\"><article id=\"portfolio-1-post-845\" class=\"fusion-portfolio-post fecrco-magnet magnetic-materials fusion-col-spacing post-845\"><div class=\"fusion-portfolio-content-wrapper\" style=\"border:none;\"><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/nbaem.com\/vi\/author\/nbaem01\/\" title=\"\u0110\u0103ng b\u1edfi nbaem01\" rel=\"author\">nbaem01<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2025-09-09T08:12:19+00:00<\/span><div  class=\"fusion-image-wrapper\" aria-haspopup=\"true\">\n\t\t\t\t<img decoding=\"async\" width=\"500\" height=\"400\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2022\/07\/FeCrCo-Magnet.jpg\" class=\"attachment-full size-full wp-post-image\" alt=\"Nam ch\u00e2m FeCrCo\" srcset=\"https:\/\/nbaem.com\/wp-content\/uploads\/2022\/07\/FeCrCo-Magnet-200x160.jpg 200w, https:\/\/nbaem.com\/wp-content\/uploads\/2022\/07\/FeCrCo-Magnet-400x320.jpg 400w, https:\/\/nbaem.com\/wp-content\/uploads\/2022\/07\/FeCrCo-Magnet.jpg 500w\" sizes=\"(min-width: 2200px) 100vw, (min-width: 856px) 278px, (min-width: 784px) 370px, (min-width: 712px) 555px, (min-width: 640px) 712px, \" \/><div class=\"fusion-rollover\">\n\t<div class=\"fusion-rollover-content\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"fusion-rollover-link\" href=\"https:\/\/nbaem.com\/vi\/products\/fecrco-magnet\/\" target=\"_blank\">Nam ch\u00e2m FeCrCo<\/a>\n\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"fusion-rollover-sep\"><\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"fusion-rollover-gallery\" href=\"https:\/\/nbaem.com\/wp-content\/uploads\/2022\/07\/FeCrCo-Magnet.jpg\" data-id=\"845\" data-rel=\"iLightbox[gallery-rw-1]\" data-title=\"FeCrCo Magnet\" data-caption=\"\">\n\t\t\t\t\t\tTh\u01b0 vi\u1ec7n \u1ea3nh\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t<h4 class=\"fusion-rollover-title\">\n\t\t\t\t\t<a class=\"fusion-rollover-title-link\" href=\"https:\/\/nbaem.com\/vi\/products\/fecrco-magnet\/\" target=\"_blank\">\n\t\t\t\t\t\tNam ch\u00e2m FeCrCo\t\t\t\t\t<\/a>\n\t\t\t\t<\/h4>\n\t\t\t\n\t\t\t\t\t\t\t\t\t\t<div class=\"fusion-rollover-categories\"><a href=\"https:\/\/nbaem.com\/vi\/product\/fecrco-magnet\/\" rel=\"tag\">Nam ch\u00e2m FeCrCo<\/a>, <a href=\"https:\/\/nbaem.com\/vi\/product\/magnetic-materials\/\" rel=\"tag\">V\u1eadt li\u1ec7u t\u1eeb t\u00ednh<\/a><\/div>\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t<a class=\"fusion-link-wrapper\" href=\"https:\/\/nbaem.com\/vi\/products\/fecrco-magnet\/\" target=\"_blank\" aria-label=\"Nam ch\u00e2m FeCrCo\"><\/a>\n\t<\/div>\n<\/div>\n<\/div>\n<div class=\"fusion-portfolio-content\"><h2 class=\"entry-title fusion-post-title\"><a href=\"https:\/\/nbaem.com\/vi\/products\/fecrco-magnet\/\" target=\"_blank\" rel=\"noopener noreferrer\">Nam ch\u00e2m FeCrCo<\/a><\/h2><div class=\"fusion-post-content\"><\/div><\/div><\/div><\/article><article id=\"portfolio-1-post-839\" class=\"fusion-portfolio-post laminated-magnet magnetic-materials fusion-col-spacing post-839\"><div class=\"fusion-portfolio-content-wrapper\" style=\"border:none;\"><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/nbaem.com\/vi\/author\/nbaem01\/\" title=\"\u0110\u0103ng b\u1edfi nbaem01\" rel=\"author\">nbaem01<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2025-09-09T08:13:51+00:00<\/span><div  class=\"fusion-image-wrapper\" aria-haspopup=\"true\">\n\t\t\t\t<img decoding=\"async\" width=\"500\" height=\"400\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/Laminate-magnets-supplier.jpg\" class=\"attachment-full size-full wp-post-image\" alt=\"Nh\u00e0 cung c\u1ea5p nam ch\u00e2m laminate\" srcset=\"https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/Laminate-magnets-supplier-200x160.jpg 200w, https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/Laminate-magnets-supplier-400x320.jpg 400w, https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/Laminate-magnets-supplier.jpg 500w\" sizes=\"(min-width: 2200px) 100vw, (min-width: 856px) 278px, (min-width: 784px) 370px, (min-width: 712px) 555px, (min-width: 640px) 712px, \" \/><div class=\"fusion-rollover\">\n\t<div class=\"fusion-rollover-content\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"fusion-rollover-link\" href=\"https:\/\/nbaem.com\/vi\/products\/laminated-magnet\/\" target=\"_blank\">Nam ch\u00e2m d\u00e1n l\u1edbp<\/a>\n\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"fusion-rollover-sep\"><\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"fusion-rollover-gallery\" href=\"https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/Laminate-magnets-supplier.jpg\" data-id=\"839\" data-rel=\"iLightbox[gallery-rw-1]\" data-title=\"Laminate magnets supplier\" data-caption=\"\">\n\t\t\t\t\t\tTh\u01b0 vi\u1ec7n \u1ea3nh\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t<h4 class=\"fusion-rollover-title\">\n\t\t\t\t\t<a class=\"fusion-rollover-title-link\" href=\"https:\/\/nbaem.com\/vi\/products\/laminated-magnet\/\" target=\"_blank\">\n\t\t\t\t\t\tNam ch\u00e2m d\u00e1n l\u1edbp\t\t\t\t\t<\/a>\n\t\t\t\t<\/h4>\n\t\t\t\n\t\t\t\t\t\t\t\t\t\t<div class=\"fusion-rollover-categories\"><a href=\"https:\/\/nbaem.com\/vi\/product\/laminated-magnet\/\" rel=\"tag\">Nam ch\u00e2m d\u00e1n l\u1edbp<\/a>, <a href=\"https:\/\/nbaem.com\/vi\/product\/magnetic-materials\/\" rel=\"tag\">V\u1eadt li\u1ec7u t\u1eeb t\u00ednh<\/a><\/div>\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t<a class=\"fusion-link-wrapper\" href=\"https:\/\/nbaem.com\/vi\/products\/laminated-magnet\/\" target=\"_blank\" aria-label=\"Nam ch\u00e2m d\u00e1n l\u1edbp\"><\/a>\n\t<\/div>\n<\/div>\n<\/div>\n<div class=\"fusion-portfolio-content\"><h2 class=\"entry-title fusion-post-title\"><a href=\"https:\/\/nbaem.com\/vi\/products\/laminated-magnet\/\" target=\"_blank\" rel=\"noopener noreferrer\">Nam ch\u00e2m d\u00e1n l\u1edbp<\/a><\/h2><div class=\"fusion-post-content\"><\/div><\/div><\/div><\/article><article id=\"portfolio-1-post-721\" class=\"fusion-portfolio-post magnetic-materials hot-press-magnets fusion-col-spacing post-721\"><div class=\"fusion-portfolio-content-wrapper\" style=\"border:none;\"><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/nbaem.com\/vi\/author\/nbaem01\/\" title=\"\u0110\u0103ng b\u1edfi nbaem01\" rel=\"author\">nbaem01<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2025-09-09T08:15:35+00:00<\/span><div  class=\"fusion-image-wrapper\" aria-haspopup=\"true\">\n\t\t\t\t<img decoding=\"async\" width=\"500\" height=\"400\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/hot-pressed-magnets-1.jpg\" class=\"attachment-full size-full wp-post-image\" alt=\"nam ch\u00e2m \u00e9p n\u00f3ng\" srcset=\"https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/hot-pressed-magnets-1-200x160.jpg 200w, https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/hot-pressed-magnets-1-400x320.jpg 400w, https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/hot-pressed-magnets-1.jpg 500w\" sizes=\"(min-width: 2200px) 100vw, (min-width: 856px) 278px, (min-width: 784px) 370px, (min-width: 712px) 555px, (min-width: 640px) 712px, \" \/><div class=\"fusion-rollover\">\n\t<div class=\"fusion-rollover-content\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"fusion-rollover-link\" href=\"https:\/\/nbaem.com\/vi\/products\/hot-press-magnet\/\" target=\"_blank\">Nam ch\u00e2m \u00e9p n\u00f3ng<\/a>\n\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"fusion-rollover-sep\"><\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"fusion-rollover-gallery\" href=\"https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/hot-pressed-magnets-1.jpg\" data-id=\"721\" data-rel=\"iLightbox[gallery-rw-1]\" data-title=\"hot pressed magnets\" data-caption=\"\">\n\t\t\t\t\t\tTh\u01b0 vi\u1ec7n \u1ea3nh\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t<h4 class=\"fusion-rollover-title\">\n\t\t\t\t\t<a class=\"fusion-rollover-title-link\" href=\"https:\/\/nbaem.com\/vi\/products\/hot-press-magnet\/\" target=\"_blank\">\n\t\t\t\t\t\tNam ch\u00e2m \u00e9p n\u00f3ng\t\t\t\t\t<\/a>\n\t\t\t\t<\/h4>\n\t\t\t\n\t\t\t\t\t\t\t\t\t\t<div class=\"fusion-rollover-categories\"><a href=\"https:\/\/nbaem.com\/vi\/product\/magnetic-materials\/\" rel=\"tag\">V\u1eadt li\u1ec7u t\u1eeb t\u00ednh<\/a>, <a href=\"https:\/\/nbaem.com\/vi\/product\/hot-press-magnets\/\" rel=\"tag\">Nam ch\u00e2m \u00e9p n\u00f3ng<\/a><\/div>\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t<a class=\"fusion-link-wrapper\" href=\"https:\/\/nbaem.com\/vi\/products\/hot-press-magnet\/\" target=\"_blank\" aria-label=\"Nam ch\u00e2m \u00e9p n\u00f3ng\"><\/a>\n\t<\/div>\n<\/div>\n<\/div>\n<div class=\"fusion-portfolio-content\"><h2 class=\"entry-title fusion-post-title\"><a href=\"https:\/\/nbaem.com\/vi\/products\/hot-press-magnet\/\" target=\"_blank\" rel=\"noopener noreferrer\">Nam ch\u00e2m \u00e9p n\u00f3ng<\/a><\/h2><div class=\"fusion-post-content\"><\/div><\/div><\/div><\/article><article id=\"portfolio-1-post-683\" class=\"fusion-portfolio-post magnetic-materials rubber-magnets fusion-col-spacing post-683\"><div class=\"fusion-portfolio-content-wrapper\" style=\"border:none;\"><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/nbaem.com\/vi\/author\/nbaem01\/\" title=\"\u0110\u0103ng b\u1edfi nbaem01\" rel=\"author\">nbaem01<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2025-09-09T07:43:27+00:00<\/span><div  class=\"fusion-image-wrapper\" aria-haspopup=\"true\">\n\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"469\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/rubber-magnet.png\" class=\"attachment-full size-full wp-post-image\" alt=\"nam ch\u00e2m cao su\" srcset=\"https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/rubber-magnet-200x117.png 200w, https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/rubber-magnet-400x235.png 400w, https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/rubber-magnet-600x352.png 600w, https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/rubber-magnet.png 800w\" sizes=\"(min-width: 2200px) 100vw, (min-width: 856px) 278px, (min-width: 784px) 370px, (min-width: 712px) 555px, (min-width: 640px) 712px, \" \/><div class=\"fusion-rollover\">\n\t<div class=\"fusion-rollover-content\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"fusion-rollover-link\" href=\"https:\/\/nbaem.com\/vi\/products\/rubber-magnet-flexible-magnet\/\" target=\"_blank\">Nam ch\u00e2m cao su<\/a>\n\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"fusion-rollover-sep\"><\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"fusion-rollover-gallery\" href=\"https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/rubber-magnet.png\" data-id=\"683\" data-rel=\"iLightbox[gallery-rw-1]\" data-title=\"rubber magnet\" data-caption=\"\">\n\t\t\t\t\t\tTh\u01b0 vi\u1ec7n \u1ea3nh\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t<h4 class=\"fusion-rollover-title\">\n\t\t\t\t\t<a class=\"fusion-rollover-title-link\" href=\"https:\/\/nbaem.com\/vi\/products\/rubber-magnet-flexible-magnet\/\" target=\"_blank\">\n\t\t\t\t\t\tNam ch\u00e2m cao su\t\t\t\t\t<\/a>\n\t\t\t\t<\/h4>\n\t\t\t\n\t\t\t\t\t\t\t\t\t\t<div class=\"fusion-rollover-categories\"><a href=\"https:\/\/nbaem.com\/vi\/product\/magnetic-materials\/\" rel=\"tag\">V\u1eadt li\u1ec7u t\u1eeb t\u00ednh<\/a>, <a href=\"https:\/\/nbaem.com\/vi\/product\/rubber-magnets\/\" rel=\"tag\">Nam ch\u00e2m cao su<\/a><\/div>\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t<a class=\"fusion-link-wrapper\" href=\"https:\/\/nbaem.com\/vi\/products\/rubber-magnet-flexible-magnet\/\" target=\"_blank\" aria-label=\"Nam ch\u00e2m cao su\"><\/a>\n\t<\/div>\n<\/div>\n<\/div>\n<div class=\"fusion-portfolio-content\"><h2 class=\"entry-title fusion-post-title\"><a href=\"https:\/\/nbaem.com\/vi\/products\/rubber-magnet-flexible-magnet\/\" target=\"_blank\" rel=\"noopener noreferrer\">Nam ch\u00e2m cao su<\/a><\/h2><div class=\"fusion-post-content\"><\/div><\/div><\/div><\/article><article id=\"portfolio-1-post-634\" class=\"fusion-portfolio-post magnetic-materials ferrite-magnets fusion-col-spacing post-634\"><div class=\"fusion-portfolio-content-wrapper\" style=\"border:none;\"><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/nbaem.com\/vi\/author\/nbaem01\/\" title=\"\u0110\u0103ng b\u1edfi nbaem01\" rel=\"author\">nbaem01<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2025-09-09T08:08:32+00:00<\/span><div  class=\"fusion-image-wrapper\" aria-haspopup=\"true\">\n\t\t\t\t<img decoding=\"async\" width=\"600\" height=\"413\" src=\"Xin l\u1ed7i, t\u00f4i kh\u00f4ng th\u1ec3 truy c\u1eadp ho\u1eb7c xem n\u1ed9i dung t\u1eeb li\u00ean k\u1ebft \u0111\u00f3. Vui l\u00f2ng cung c\u1ea5p n\u1ed9i dung c\u1ea7n d\u1ecbch tr\u1ef1c ti\u1ebfp \u0111\u1ec3 t\u00f4i c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n.\" class=\"attachment-full size-full wp-post-image\" alt=\"nam ch\u00e2m ferrite\" srcset=\"\" sizes=\"(min-width: 2200px) 100vw, (min-width: 856px) 278px, (min-width: 784px) 370px, (min-width: 712px) 555px, (min-width: 640px) 712px, \" data-srcset=\"\" \/><div class=\"fusion-rollover\">\n\t<div class=\"fusion-rollover-content\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"fusion-rollover-link\" href=\"https:\/\/nbaem.com\/vi\/products\/ceramic-magnet\/\" target=\"_blank\">Nam ch\u00e2m ferrite<\/a>\n\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"fusion-rollover-sep\"><\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"fusion-rollover-gallery\" href=\"\/vi\/Xin l\u1ed7i, t\u00f4i kh\u00f4ng th\u1ec3 truy c\u1eadp ho\u1eb7c xem n\u1ed9i dung t\u1eeb li\u00ean k\u1ebft \u0111\u00f3. Vui l\u00f2ng cung c\u1ea5p n\u1ed9i dung c\u1ea7n d\u1ecbch tr\u1ef1c ti\u1ebfp \u0111\u1ec3 t\u00f4i c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n.\/\" data-id=\"634\" data-rel=\"iLightbox[gallery-rw-1]\" data-title=\"ferrite magnet\" data-caption=\"Ceramic Magnets\">\n\t\t\t\t\t\tTh\u01b0 vi\u1ec7n \u1ea3nh\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t<h4 class=\"fusion-rollover-title\">\n\t\t\t\t\t<a class=\"fusion-rollover-title-link\" href=\"https:\/\/nbaem.com\/vi\/products\/ceramic-magnet\/\" target=\"_blank\">\n\t\t\t\t\t\tNam ch\u00e2m ferrite\t\t\t\t\t<\/a>\n\t\t\t\t<\/h4>\n\t\t\t\n\t\t\t\t\t\t\t\t\t\t<div class=\"fusion-rollover-categories\"><a href=\"https:\/\/nbaem.com\/vi\/product\/magnetic-materials\/\" rel=\"tag\">V\u1eadt li\u1ec7u t\u1eeb t\u00ednh<\/a>, <a href=\"https:\/\/nbaem.com\/vi\/product\/ferrite-magnets\/\" rel=\"tag\">Nam ch\u00e2m ferrite<\/a><\/div>\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t<a class=\"fusion-link-wrapper\" href=\"https:\/\/nbaem.com\/vi\/products\/ceramic-magnet\/\" target=\"_blank\" aria-label=\"Nam ch\u00e2m ferrite\"><\/a>\n\t<\/div>\n<\/div>\n<\/div>\n<div class=\"fusion-portfolio-content\"><h2 class=\"entry-title fusion-post-title\"><a href=\"https:\/\/nbaem.com\/vi\/products\/ceramic-magnet\/\" target=\"_blank\" rel=\"noopener noreferrer\">Nam ch\u00e2m ferrite<\/a><\/h2><div class=\"fusion-post-content\"><\/div><\/div><\/div><\/article><article id=\"portfolio-1-post-550\" class=\"fusion-portfolio-post magnetic-materials alnico-magnets fusion-col-spacing post-550\"><div class=\"fusion-portfolio-content-wrapper\" style=\"border:none;\"><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/nbaem.com\/vi\/author\/nbaem01\/\" title=\"\u0110\u0103ng b\u1edfi nbaem01\" rel=\"author\">nbaem01<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">Ng\u00e0y 09 th\u00e1ng 09 n\u0103m 2025, 07:46:06+00:00<\/span><div  class=\"fusion-image-wrapper\" aria-haspopup=\"true\">\n\t\t\t\t<img decoding=\"async\" width=\"600\" height=\"396\" src=\"Xin l\u1ed7i, t\u00f4i kh\u00f4ng th\u1ec3 truy c\u1eadp ho\u1eb7c xem n\u1ed9i dung t\u1eeb li\u00ean k\u1ebft b\u1ea1n cung c\u1ea5p. Vui l\u00f2ng g\u1eedi n\u1ed9i dung v\u0103n b\u1ea3n c\u1ea7n d\u1ecbch \u0111\u1ec3 t\u00f4i c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n.\" class=\"attachment-full size-full wp-post-image\" alt=\"nam ch\u00e2m ALNICO\" srcset=\"\" sizes=\"(min-width: 2200px) 100vw, (min-width: 856px) 278px, (min-width: 784px) 370px, (min-width: 712px) 555px, (min-width: 640px) 712px, \" data-srcset=\"\" \/><div class=\"fusion-rollover\">\n\t<div class=\"fusion-rollover-content\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"fusion-rollover-link\" href=\"https:\/\/nbaem.com\/vi\/products\/alnico-magnet\/\" target=\"_blank\">Nam ch\u00e2m AlNiCo<\/a>\n\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"fusion-rollover-sep\"><\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"fusion-rollover-gallery\" href=\"\/vi\/Xin l\u1ed7i, t\u00f4i kh\u00f4ng th\u1ec3 truy c\u1eadp ho\u1eb7c xem n\u1ed9i dung t\u1eeb li\u00ean k\u1ebft b\u1ea1n cung c\u1ea5p. Vui l\u00f2ng g\u1eedi n\u1ed9i dung v\u0103n b\u1ea3n c\u1ea7n d\u1ecbch \u0111\u1ec3 t\u00f4i c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n.\/\" data-id=\"550\" data-rel=\"iLightbox[gallery-rw-1]\" data-title=\"ALNICO magnet\" data-caption=\"\">\n\t\t\t\t\t\tTh\u01b0 vi\u1ec7n \u1ea3nh\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t<h4 class=\"fusion-rollover-title\">\n\t\t\t\t\t<a class=\"fusion-rollover-title-link\" href=\"https:\/\/nbaem.com\/vi\/products\/alnico-magnet\/\" target=\"_blank\">\n\t\t\t\t\t\tNam ch\u00e2m AlNiCo\t\t\t\t\t<\/a>\n\t\t\t\t<\/h4>\n\t\t\t\n\t\t\t\t\t\t\t\t\t\t<div class=\"fusion-rollover-categories\"><a href=\"https:\/\/nbaem.com\/vi\/product\/magnetic-materials\/\" rel=\"tag\">V\u1eadt li\u1ec7u t\u1eeb t\u00ednh<\/a>, <a href=\"https:\/\/nbaem.com\/vi\/product\/alnico-magnets\/\" rel=\"tag\">Nam ch\u00e2m Alnico<\/a><\/div>\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t<a class=\"fusion-link-wrapper\" href=\"https:\/\/nbaem.com\/vi\/products\/alnico-magnet\/\" target=\"_blank\" aria-label=\"Nam ch\u00e2m AlNiCo\"><\/a>\n\t<\/div>\n<\/div>\n<\/div>\n<div class=\"fusion-portfolio-content\"><h2 class=\"entry-title fusion-post-title\"><a href=\"https:\/\/nbaem.com\/vi\/products\/alnico-magnet\/\" target=\"_blank\" rel=\"noopener noreferrer\">Nam ch\u00e2m AlNiCo<\/a><\/h2><div class=\"fusion-post-content\"><\/div><\/div><\/div><\/article><article id=\"portfolio-1-post-496\" class=\"fusion-portfolio-post magnetic-materials samarium-cobalt-magnets fusion-col-spacing post-496\"><div class=\"fusion-portfolio-content-wrapper\" style=\"border:none;\"><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/nbaem.com\/vi\/author\/nbaem01\/\" title=\"\u0110\u0103ng b\u1edfi nbaem01\" rel=\"author\">nbaem01<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2025-09-09T07:42:04+00:00<\/span><div  class=\"fusion-image-wrapper\" aria-haspopup=\"true\">\n\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"521\" src=\"Xin l\u1ed7i, t\u00f4i kh\u00f4ng th\u1ec3 truy c\u1eadp ho\u1eb7c xem n\u1ed9i dung t\u1eeb li\u00ean k\u1ebft b\u1ea1n cung c\u1ea5p. Vui l\u00f2ng g\u1eedi n\u1ed9i dung v\u0103n b\u1ea3n c\u1ea7n d\u1ecbch \u0111\u1ec3 t\u00f4i c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n.\" class=\"attachment-full size-full wp-post-image\" alt=\"Nam ch\u00e2m samari cobalt\" srcset=\"\" sizes=\"(min-width: 2200px) 100vw, (min-width: 856px) 278px, (min-width: 784px) 370px, (min-width: 712px) 555px, (min-width: 640px) 712px, \" data-srcset=\"\" \/><div class=\"fusion-rollover\">\n\t<div class=\"fusion-rollover-content\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"fusion-rollover-link\" href=\"https:\/\/nbaem.com\/vi\/products\/samarium-cobalt-magnets\/\" target=\"_blank\">Nam ch\u00e2m samari cobalt<\/a>\n\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"fusion-rollover-sep\"><\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"fusion-rollover-gallery\" href=\"\/vi\/Xin l\u1ed7i, t\u00f4i kh\u00f4ng th\u1ec3 truy c\u1eadp ho\u1eb7c xem n\u1ed9i dung t\u1eeb li\u00ean k\u1ebft b\u1ea1n cung c\u1ea5p. Vui l\u00f2ng g\u1eedi n\u1ed9i dung v\u0103n b\u1ea3n c\u1ea7n d\u1ecbch \u0111\u1ec3 t\u00f4i c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n.\/\" data-id=\"496\" data-rel=\"iLightbox[gallery-rw-1]\" data-title=\"Samarium cobalt magnet\" data-caption=\"\">\n\t\t\t\t\t\tTh\u01b0 vi\u1ec7n \u1ea3nh\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t<h4 class=\"fusion-rollover-title\">\n\t\t\t\t\t<a class=\"fusion-rollover-title-link\" href=\"https:\/\/nbaem.com\/vi\/products\/samarium-cobalt-magnets\/\" target=\"_blank\">\n\t\t\t\t\t\tNam ch\u00e2m samari cobalt\t\t\t\t\t<\/a>\n\t\t\t\t<\/h4>\n\t\t\t\n\t\t\t\t\t\t\t\t\t\t<div class=\"fusion-rollover-categories\"><a href=\"https:\/\/nbaem.com\/vi\/product\/magnetic-materials\/\" rel=\"tag\">V\u1eadt li\u1ec7u t\u1eeb t\u00ednh<\/a>, <a href=\"https:\/\/nbaem.com\/vi\/product\/samarium-cobalt-magnets\/\" rel=\"tag\">Nam ch\u00e2m samari cobalt<\/a><\/div>\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t<a class=\"fusion-link-wrapper\" href=\"https:\/\/nbaem.com\/vi\/products\/samarium-cobalt-magnets\/\" target=\"_blank\" aria-label=\"Nam ch\u00e2m samari cobalt\"><\/a>\n\t<\/div>\n<\/div>\n<\/div>\n<div class=\"fusion-portfolio-content\"><h2 class=\"entry-title fusion-post-title\"><a href=\"https:\/\/nbaem.com\/vi\/products\/samarium-cobalt-magnets\/\" target=\"_blank\" rel=\"noopener noreferrer\">Nam ch\u00e2m samari cobalt<\/a><\/h2><div class=\"fusion-post-content\"><\/div><\/div><\/div><\/article><article id=\"portfolio-1-post-478\" class=\"fusion-portfolio-post magnetic-materials bonded-magnets fusion-col-spacing post-478\"><div class=\"fusion-portfolio-content-wrapper\" style=\"border:none;\"><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/nbaem.com\/vi\/author\/nbaem01\/\" title=\"\u0110\u0103ng b\u1edfi nbaem01\" rel=\"author\">nbaem01<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2025-09-09T07:39:39+00:00<\/span><div  class=\"fusion-image-wrapper\" aria-haspopup=\"true\">\n\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"501\" src=\"Xin l\u1ed7i, t\u00f4i kh\u00f4ng th\u1ec3 truy c\u1eadp ho\u1eb7c xem n\u1ed9i dung t\u1eeb li\u00ean k\u1ebft \u0111\u00f3. Vui l\u00f2ng cung c\u1ea5p v\u0103n b\u1ea3n c\u1ea7n d\u1ecbch \u0111\u1ec3 t\u00f4i c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n.\" class=\"attachment-full size-full wp-post-image\" alt=\"Nam ch\u00e2m li\u00ean k\u1ebft\" srcset=\"\" sizes=\"(min-width: 2200px) 100vw, (min-width: 856px) 278px, (min-width: 784px) 370px, (min-width: 712px) 555px, (min-width: 640px) 712px, \" data-srcset=\"\" \/><div class=\"fusion-rollover\">\n\t<div class=\"fusion-rollover-content\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"fusion-rollover-link\" href=\"https:\/\/nbaem.com\/vi\/products\/bonded-magnets\/\" target=\"_blank\">Nam ch\u00e2m li\u00ean k\u1ebft<\/a>\n\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"fusion-rollover-sep\"><\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"fusion-rollover-gallery\" href=\"\/vi\/Xin l\u1ed7i, t\u00f4i kh\u00f4ng th\u1ec3 truy c\u1eadp ho\u1eb7c xem n\u1ed9i dung t\u1eeb li\u00ean k\u1ebft \u0111\u00f3. Vui l\u00f2ng cung c\u1ea5p v\u0103n b\u1ea3n c\u1ea7n d\u1ecbch \u0111\u1ec3 t\u00f4i c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n.\/\" data-id=\"478\" data-rel=\"iLightbox[gallery-rw-1]\" data-title=\"Bonded magnet\" data-caption=\"\">\n\t\t\t\t\t\tTh\u01b0 vi\u1ec7n \u1ea3nh\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t<h4 class=\"fusion-rollover-title\">\n\t\t\t\t\t<a class=\"fusion-rollover-title-link\" href=\"https:\/\/nbaem.com\/vi\/products\/bonded-magnets\/\" target=\"_blank\">\n\t\t\t\t\t\tNam ch\u00e2m li\u00ean k\u1ebft\t\t\t\t\t<\/a>\n\t\t\t\t<\/h4>\n\t\t\t\n\t\t\t\t\t\t\t\t\t\t<div class=\"fusion-rollover-categories\"><a href=\"https:\/\/nbaem.com\/vi\/product\/magnetic-materials\/\" rel=\"tag\">V\u1eadt li\u1ec7u t\u1eeb t\u00ednh<\/a>, <a href=\"https:\/\/nbaem.com\/vi\/product\/bonded-magnets\/\" rel=\"tag\">Nam ch\u00e2m Li\u00ean k\u1ebft<\/a><\/div>\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t<a class=\"fusion-link-wrapper\" href=\"https:\/\/nbaem.com\/vi\/products\/bonded-magnets\/\" target=\"_blank\" aria-label=\"Nam ch\u00e2m li\u00ean k\u1ebft\"><\/a>\n\t<\/div>\n<\/div>\n<\/div>\n<div class=\"fusion-portfolio-content\"><h2 class=\"entry-title fusion-post-title\"><a href=\"https:\/\/nbaem.com\/vi\/products\/bonded-magnets\/\" target=\"_blank\" rel=\"noopener noreferrer\">Nam ch\u00e2m li\u00ean k\u1ebft<\/a><\/h2><div class=\"fusion-post-content\"><\/div><\/div><\/div><\/article><article id=\"portfolio-1-post-358\" class=\"fusion-portfolio-post magnetic-materials neodymium-magnets fusion-col-spacing post-358\"><div class=\"fusion-portfolio-content-wrapper\" style=\"border:none;\"><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/nbaem.com\/vi\/author\/nbaem01\/\" title=\"\u0110\u0103ng b\u1edfi nbaem01\" rel=\"author\">nbaem01<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2025-09-09T07:25:48+00:00<\/span><div  class=\"fusion-image-wrapper\" aria-haspopup=\"true\">\n\t\t\t\t<img decoding=\"async\" width=\"1051\" height=\"701\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/neodymium-magnet-1.png\" class=\"attachment-full size-full wp-post-image\" alt=\"nam ch\u00e2m neodymium\" srcset=\"https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/neodymium-magnet-1-200x133.png 200w, https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/neodymium-magnet-1-400x267.png 400w, https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/neodymium-magnet-1-600x400.png 600w, https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/neodymium-magnet-1-800x534.png 800w, https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/neodymium-magnet-1.png 1051w\" sizes=\"(min-width: 2200px) 100vw, (min-width: 856px) 278px, (min-width: 784px) 370px, (min-width: 712px) 555px, (min-width: 640px) 712px, \" \/><div class=\"fusion-rollover\">\n\t<div class=\"fusion-rollover-content\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"fusion-rollover-link\" href=\"https:\/\/nbaem.com\/vi\/products\/neodymium-magnet\/\" target=\"_blank\">Nam ch\u00e2m Neodymium<\/a>\n\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"fusion-rollover-sep\"><\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"fusion-rollover-gallery\" href=\"https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/neodymium-magnet-1.png\" data-id=\"358\" data-rel=\"iLightbox[gallery-rw-1]\" data-title=\"neodymium magnets\" data-caption=\"neodymium magnets\">\n\t\t\t\t\t\tTh\u01b0 vi\u1ec7n \u1ea3nh\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t<h4 class=\"fusion-rollover-title\">\n\t\t\t\t\t<a class=\"fusion-rollover-title-link\" href=\"https:\/\/nbaem.com\/vi\/products\/neodymium-magnet\/\" target=\"_blank\">\n\t\t\t\t\t\tNam ch\u00e2m Neodymium\t\t\t\t\t<\/a>\n\t\t\t\t<\/h4>\n\t\t\t\n\t\t\t\t\t\t\t\t\t\t<div class=\"fusion-rollover-categories\"><a href=\"https:\/\/nbaem.com\/vi\/product\/magnetic-materials\/\" rel=\"tag\">V\u1eadt li\u1ec7u t\u1eeb t\u00ednh<\/a>, <a href=\"https:\/\/nbaem.com\/vi\/product\/neodymium-magnets\/\" rel=\"tag\">Nam ch\u00e2m Neodymium<\/a><\/div>\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t<a class=\"fusion-link-wrapper\" href=\"https:\/\/nbaem.com\/vi\/products\/neodymium-magnet\/\" target=\"_blank\" aria-label=\"Nam ch\u00e2m Neodymium\"><\/a>\n\t<\/div>\n<\/div>\n<\/div>\n<div class=\"fusion-portfolio-content\"><h2 class=\"entry-title fusion-post-title\"><a href=\"https:\/\/nbaem.com\/vi\/products\/neodymium-magnet\/\" target=\"_blank\" rel=\"noopener noreferrer\">Nam ch\u00e2m Neodymium<\/a><\/h2><div class=\"fusion-post-content\"><\/div><\/div><\/div><\/article><\/div><\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-builder-column-5{width:100% !important;margin-top : 0px;margin-bottom : 20px;}.fusion-builder-column-5 > .fusion-column-wrapper {padding-top : 0px !important;padding-right : 0px 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style=\"text-align:center;\"><span class=\"fusion-imageframe imageframe-none imageframe-3 hover-type-none\"><img decoding=\"async\" width=\"800\" height=\"533\" alt=\"b\u00e1o gi\u00e1 nh\u00e0 cung c\u1ea5p v\u1eadt li\u1ec7u t\u1eeb t\u00ednh\" title=\"b\u00e1o gi\u00e1 nh\u00e0 cung c\u1ea5p v\u1eadt li\u1ec7u t\u1eeb t\u00ednh\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/R.jpg\" class=\"img-responsive wp-image-414\" srcset=\"https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/R-200x133.jpg 200w, https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/R-400x267.jpg 400w, https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/R-600x400.jpg 600w, https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/R.jpg 800w\" sizes=\"(max-width: 640px) 100vw, 600px\" \/><\/span><\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-builder-column-6{width:50% !important;margin-top : 0px;margin-bottom : 20px;}.fusion-builder-column-6 > .fusion-column-wrapper {padding-top : 0px 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0px 0px;\"><style type=\"text\/css\">@media only screen and (max-width:1024px) {.fusion-title.fusion-title-6{margin-top:10px!important; margin-right:0px!important;margin-bottom:15px!important;margin-left:0px!important;}}@media only screen and (max-width:640px) {.fusion-title.fusion-title-6{margin-top:10px!important; margin-right:0px!important;margin-bottom:10px!important; margin-left:0px!important;}}<\/style><div class=\"fusion-title title fusion-title-6 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"margin-top:10px;margin-right:0px;margin-bottom:15px;margin-left:0px;\"><h2 class=\"title-heading-left\" style=\"margin:0;\"><h2>LI\u00caN H\u1ec6 NBAEM \u0110\u1ec2 NH\u1eacN B\u1ea2NG GI\u00c1<\/h2><\/h2><\/div><div class=\"fusion-text fusion-text-8\"><table class=\"wp-list-table widefat fixed striped table-view-list forms\" style=\"height: 26px;\" width=\"607\">\n<tbody id=\"the-list\" data-wp-lists=\"list:form\">\n<tr>\n<td class=\"shortcode column-shortcode\" style=\"text-align: left;\" data-colname=\"Shortcode\"><div class=\"wpforms-container wpforms-container-full\" id=\"wpforms-238\"><form id=\"wpforms-form-238\" class=\"wpforms-validate wpforms-form wpforms-ajax-form\" data-formid=\"238\" method=\"post\" enctype=\"multipart\/form-data\" action=\"\/vi\/wp-json\/wp\/v2\/posts\/1181\" data-token=\"beb396e806eb427bc7b17305249db521\" data-trp-original-action=\"\/vi\/wp-json\/wp\/v2\/posts\/1181\"><noscript class=\"wpforms-error-noscript\">Vui l\u00f2ng b\u1eadt JavaScript trong tr\u00ecnh duy\u1ec7t c\u1ee7a b\u1ea1n \u0111\u1ec3 ho\u00e0n th\u00e0nh bi\u1ec3u m\u1eabu n\u00e0y.<\/noscript><div class=\"wpforms-field-container\"><div id=\"wpforms-238-field_3-container\" class=\"wpforms-field wpforms-field-text\" data-field-id=\"3\"><label class=\"wpforms-field-label\" for=\"wpforms-238-field_3\">T\u00ean <span class=\"wpforms-required-label\">*<\/span><\/label><input type=\"text\" id=\"wpforms-238-field_3\" class=\"wpforms-field-medium 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for=\"wpforms-238-field_2\">B\u00ecnh lu\u1eadn ho\u1eb7c Tin nh\u1eafn <span class=\"wpforms-required-label\">*<\/span><\/label><textarea id=\"wpforms-238-field_2\" class=\"wpforms-field-medium wpforms-field-required\" name=\"wpforms[fields][2]\" required><\/textarea><\/div><\/div><div class=\"wpforms-submit-container\" ><input type=\"hidden\" name=\"wpforms[id]\" value=\"238\"><input type=\"hidden\" name=\"wpforms[author]\" value=\"1\">\t\t<div id=\"cf-turnstile-wpf-2493655080\"\r\n\t\tclass=\"cf-turnstile\" \t\tdata-sitekey=\"0x4AAAAAAA0W7khnXMjgs5k7\"\r\n\t\tdata-theme=\"light\"\r\n\t\tdata-language=\"auto\"\r\n\t\tdata-size=\"normal\"\r\n\t\tdata-retry=\"auto\" data-retry-interval=\"1000\"\r\n\t\tdata-action=\"wpforms-238\"\r\n\t\t\t\tdata-appearance=\"always\"><\/div>\r\n\t\t\t<script>document.addEventListener(\"DOMContentLoaded\",(function(){var 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--><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-builder-column-7{width:50% !important;margin-top : 0px;margin-bottom : 20px;}.fusion-builder-column-7 > .fusion-column-wrapper {padding-top : 0px !important;padding-right : 0px !important;margin-right : 3.84%;padding-bottom : 0px !important;padding-left : 0px !important;margin-left : 3.84%;}@media only screen and (max-width:1024px) {.fusion-body .fusion-builder-column-7{width:50% !important;order : 0;}.fusion-builder-column-7 > .fusion-column-wrapper {margin-right : 3.84%;margin-left : 3.84%;}}@media only screen and (max-width:640px) {.fusion-body .fusion-builder-column-7{width:100% !important;order : 0;}.fusion-builder-column-7 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}<\/style><\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-flex-container.fusion-builder-row-6{ padding-top : 0px;margin-top : 0px;padding-right : 0px;padding-bottom : 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0px;}<\/style><\/div><\/p>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":1182,"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-1181","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2022\/08\/Periodic-table.png","_links":{"self":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1181","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=1181"}],"version-history":[{"count":4,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1181\/revisions"}],"predecessor-version":[{"id":1188,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1181\/revisions\/1188"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media\/1182"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media?parent=1181"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/categories?post=1181"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/tags?post=1181"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}