{"id":44668,"date":"2023-04-25T14:33:06","date_gmt":"2023-04-25T19:33:06","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/what-is-ultrasonic-energy\/"},"modified":"2025-01-21T07:29:47","modified_gmt":"2025-01-21T12:29:47","slug":"what-is-ultrasonic-energy","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/what-is-ultrasonic-energy\/","title":{"rendered":"Kh\u00e1m ph\u00e1 n\u0103ng l\u01b0\u1ee3ng si\u00eau \u00e2m: B\u1ea3n ch\u1ea5t v\u00e0 \u1ee9ng d\u1ee5ng"},"content":{"rendered":"<p>N\u0103ng l\u01b0\u1ee3ng si\u00eau \u00e2m l\u00e0 m\u1ed9t d\u1ea1ng n\u0103ng l\u01b0\u1ee3ng c\u01a1 h\u1ecdc \u0111\u01b0\u1ee3c truy\u1ec1n d\u01b0\u1edbi d\u1ea1ng s\u00f3ng \u00e2m v\u1edbi t\u1ea7n s\u1ed1 cao h\u01a1n gi\u1edbi h\u1ea1n nghe c\u1ee7a con ng\u01b0\u1eddi, th\u01b0\u1eddng l\u00e0 tr\u00ean 20 kHz.  N\u0103ng l\u01b0\u1ee3ng n\u00e0y, m\u1eb7c d\u00f9 v\u00f4 h\u00ecnh v\u1edbi tai ch\u00fang ta, l\u1ea1i c\u00f3 th\u1ec3 t\u1ea1o ra nh\u1eefng hi\u1ec7u \u1ee9ng \u0111\u00e1ng k\u1ec3 trong nhi\u1ec1u l\u0129nh v\u1ef1c, t\u1eeb y t\u1ebf v\u00e0 c\u00f4ng nghi\u1ec7p \u0111\u1ebfn l\u00e0m s\u1ea1ch v\u00e0 gia c\u00f4ng v\u1eadt li\u1ec7u. Vi\u1ec7c hi\u1ec3u r\u00f5 b\u1ea3n ch\u1ea5t v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a n\u0103ng l\u01b0\u1ee3ng si\u00eau \u00e2m m\u1edf ra nhi\u1ec1u ti\u1ec1m n\u0103ng cho s\u1ef1 ph\u00e1t tri\u1ec3n c\u00f4ng ngh\u1ec7 trong t\u01b0\u01a1ng lai.<\/p>\n<h3>B\u1ea3n ch\u1ea5t c\u1ee7a s\u00f3ng si\u00eau \u00e2m<\/h3>\n<p>S\u00f3ng si\u00eau \u00e2m v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 s\u00f3ng \u00e1p su\u1ea5t lan truy\u1ec1n trong m\u00f4i tr\u01b0\u1eddng v\u1eadt ch\u1ea5t, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 s\u00f3ng \u00e2m thanh m\u00e0 ch\u00fang ta nghe \u0111\u01b0\u1ee3c. Tuy nhi\u00ean, t\u1ea7n s\u1ed1 dao \u0111\u1ed9ng c\u1ee7a s\u00f3ng si\u00eau \u00e2m cao h\u01a1n nhi\u1ec1u, t\u1ea1o ra n\u0103ng l\u01b0\u1ee3ng t\u1eadp trung h\u01a1n.  S\u00f3ng n\u00e0y \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi c\u00e1c b\u1ed9 chuy\u1ec3n \u0111\u1ed5i s\u1eed d\u1ee5ng hi\u1ec7u \u1ee9ng \u00e1p \u0111i\u1ec7n ho\u1eb7c t\u1eeb gi\u1ea3o \u0111\u1ec3 bi\u1ebfn \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n th\u00e0nh n\u0103ng l\u01b0\u1ee3ng c\u01a1 h\u1ecdc.<\/p>\n<h3>C\u01a1 ch\u1ebf t\u1ea1o ra n\u0103ng l\u01b0\u1ee3ng si\u00eau \u00e2m<\/h3>\n<p>Qu\u00e1 tr\u00ecnh t\u1ea1o ra n\u0103ng l\u01b0\u1ee3ng si\u00eau \u00e2m th\u01b0\u1eddng li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n, c\u00f3 kh\u1ea3 n\u0103ng bi\u1ebfn \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n th\u00e0nh n\u0103ng l\u01b0\u1ee3ng c\u01a1 h\u1ecdc v\u00e0 ng\u01b0\u1ee3c l\u1ea1i. Khi m\u1ed9t \u0111i\u1ec7n \u00e1p xoay chi\u1ec1u \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng v\u00e0o v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n, n\u00f3 s\u1ebd dao \u0111\u1ed9ng v\u1edbi t\u1ea7n s\u1ed1 t\u01b0\u01a1ng \u1ee9ng, t\u1ea1o ra s\u00f3ng si\u00eau \u00e2m.<\/p>\n<h3>C\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a n\u0103ng l\u01b0\u1ee3ng si\u00eau \u00e2m<\/h3>\n<p>N\u0103ng l\u01b0\u1ee3ng si\u00eau \u00e2m \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau. Trong y t\u1ebf, n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ea9n \u0111o\u00e1n h\u00ecnh \u1ea3nh, \u0111i\u1ec1u tr\u1ecb ung th\u01b0 v\u00e0 ph\u1eabu thu\u1eadt kh\u00f4ng x\u00e2m l\u1ea5n. Trong c\u00f4ng nghi\u1ec7p, n\u0103ng l\u01b0\u1ee3ng si\u00eau \u00e2m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m s\u1ea1ch, h\u00e0n, gia c\u00f4ng v\u1eadt li\u1ec7u v\u00e0 ki\u1ec3m tra kh\u00f4ng ph\u00e1 h\u1ee7y.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>L\u0129nh v\u1ef1c<\/th>\n<th>\u1ee8ng d\u1ee5ng<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Y t\u1ebf<\/td>\n<td>Ch\u1ea9n \u0111o\u00e1n h\u00ecnh \u1ea3nh, \u0111i\u1ec1u tr\u1ecb ung th\u01b0, ph\u1eabu thu\u1eadt<\/td>\n<\/tr>\n<tr>\n<td>C\u00f4ng nghi\u1ec7p<\/td>\n<td>L\u00e0m s\u1ea1ch, h\u00e0n, gia c\u00f4ng v\u1eadt li\u1ec7u, ki\u1ec3m tra<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1eddi s\u1ed1ng<\/td>\n<td>L\u00e0m s\u1ea1ch \u0111\u1ed3 trang s\u1ee9c, m\u00e1y t\u1ea1o \u1ea9m<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u01afu \u0111i\u1ec3m c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng si\u00eau \u00e2m<\/h3>\n<p>Vi\u1ec7c s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng si\u00eau \u00e2m mang l\u1ea1i nhi\u1ec1u \u01b0u \u0111i\u1ec3m so v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p truy\u1ec1n th\u1ed1ng.  N\u00f3 cho ph\u00e9p th\u1ef1c hi\u1ec7n c\u00e1c quy tr\u00ecnh m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c, hi\u1ec7u qu\u1ea3 v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng h\u01a1n.  V\u00ed d\u1ee5, trong l\u00e0m s\u1ea1ch, n\u0103ng l\u01b0\u1ee3ng si\u00eau \u00e2m c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c ch\u1ea5t b\u1ea9n c\u1ee9ng \u0111\u1ea7u m\u00e0 kh\u00f4ng c\u1ea7n s\u1eed d\u1ee5ng h\u00f3a ch\u1ea5t m\u1ea1nh.<\/p>\n<h3>So s\u00e1nh n\u0103ng l\u01b0\u1ee3ng si\u00eau \u00e2m v\u1edbi c\u00e1c d\u1ea1ng n\u0103ng l\u01b0\u1ee3ng kh\u00e1c<\/h3>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>\u0110\u1eb7c \u0111i\u1ec3m<\/th>\n<th>N\u0103ng l\u01b0\u1ee3ng si\u00eau \u00e2m<\/th>\n<th>N\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t<\/th>\n<th>N\u0103ng l\u01b0\u1ee3ng c\u01a1 h\u1ecdc<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>T\u1ea7n s\u1ed1<\/td>\n<td>Cao (&gt;20kHz)<\/td>\n<td>Th\u1ea5p<\/td>\n<td>Thay \u0111\u1ed5i<\/td>\n<\/tr>\n<tr>\n<td>M\u00f4i tr\u01b0\u1eddng truy\u1ec1n<\/td>\n<td>R\u1eafn, l\u1ecfng, kh\u00ed<\/td>\n<td>R\u1eafn, l\u1ecfng, kh\u00ed<\/td>\n<td>Ch\u1ee7 y\u1ebfu r\u1eafn<\/td>\n<\/tr>\n<tr>\n<td>\u1ee8ng d\u1ee5ng<\/td>\n<td>Ch\u1ea9n \u0111o\u00e1n, l\u00e0m s\u1ea1ch, h\u00e0n<\/td>\n<td>Gia nhi\u1ec7t, n\u1ea5u n\u01b0\u1edbng<\/td>\n<td>V\u1eadn h\u00e0nh m\u00e1y m\u00f3c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>C\u00e1c th\u00e1ch th\u1ee9c v\u00e0 h\u01b0\u1edbng ph\u00e1t tri\u1ec3n<\/h3>\n<p>M\u1eb7c d\u00f9 c\u00f3 nhi\u1ec1u \u01b0u \u0111i\u1ec3m, vi\u1ec7c \u1ee9ng d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng si\u00eau \u00e2m v\u1eabn c\u00f2n m\u1ed9t s\u1ed1 th\u00e1ch th\u1ee9c, bao g\u1ed3m vi\u1ec7c ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c n\u0103ng l\u01b0\u1ee3ng v\u00e0 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t.  Nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n trong l\u0129nh v\u1ef1c n\u00e0y \u0111ang t\u1eadp trung v\u00e0o vi\u1ec7c c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t c\u1ee7a c\u00e1c b\u1ed9 chuy\u1ec3n \u0111\u1ed5i, ph\u00e1t tri\u1ec3n c\u00e1c k\u1ef9 thu\u1eadt \u0111i\u1ec1u khi\u1ec3n ti\u00ean ti\u1ebfn v\u00e0 m\u1edf r\u1ed9ng \u1ee9ng d\u1ee5ng sang c\u00e1c l\u0129nh v\u1ef1c m\u1edbi.<\/p>\n<p>T\u00f3m l\u1ea1i, n\u0103ng l\u01b0\u1ee3ng si\u00eau \u00e2m l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 \u0111\u1ea7y h\u1ee9a h\u1eb9n v\u1edbi ti\u1ec1m n\u0103ng \u1ee9ng d\u1ee5ng r\u1ed9ng l\u1edbn.  S\u1ef1 ph\u00e1t tri\u1ec3n li\u00ean t\u1ee5c c\u1ee7a c\u00f4ng ngh\u1ec7 n\u00e0y s\u1ebd mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch cho x\u00e3 h\u1ed9i trong t\u01b0\u01a1ng lai, t\u1eeb vi\u1ec7c c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng cu\u1ed9c s\u1ed1ng \u0111\u1ebfn n\u00e2ng cao hi\u1ec7u qu\u1ea3 s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>N\u0103ng l\u01b0\u1ee3ng si\u00eau \u00e2m l\u00e0 m\u1ed9t d\u1ea1ng n\u0103ng l\u01b0\u1ee3ng c\u01a1 h\u1ecdc \u0111\u01b0\u1ee3c truy\u1ec1n d\u01b0\u1edbi d\u1ea1ng s\u00f3ng \u00e2m v\u1edbi t\u1ea7n s\u1ed1 cao h\u01a1n gi\u1edbi h\u1ea1n nghe c\u1ee7a con ng\u01b0\u1eddi, th\u01b0\u1eddng l\u00e0 tr\u00ean 20 kHz. N\u0103ng l\u01b0\u1ee3ng n\u00e0y, m\u1eb7c d\u00f9 v\u00f4 h\u00ecnh v\u1edbi tai ch\u00fang ta, l\u1ea1i c\u00f3 th\u1ec3 t\u1ea1o ra nh\u1eefng hi\u1ec7u \u1ee9ng \u0111\u00e1ng k\u1ec3 trong<\/p>\n","protected":false},"author":1,"featured_media":26486,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-44668","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","prodpage-classic"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/44668","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/comments?post=44668"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/44668\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/26486"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=44668"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=44668"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=44668"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}