{"id":54868,"date":"2022-06-27T15:26:41","date_gmt":"2022-06-27T20:26:41","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/uses-of-ultrasonic-waves\/"},"modified":"2025-01-21T07:26:56","modified_gmt":"2025-01-21T12:26:56","slug":"uses-of-ultrasonic-waves","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/uses-of-ultrasonic-waves\/","title":{"rendered":"\u1ee8ng d\u1ee5ng \u0111a d\u1ea1ng c\u1ee7a s\u00f3ng si\u00eau \u00e2m trong \u0111\u1eddi s\u1ed1ng"},"content":{"rendered":"<p>S\u00f3ng si\u00eau \u00e2m, v\u1edbi t\u1ea7n s\u1ed1 v\u01b0\u1ee3t qu\u00e1 ng\u01b0\u1ee1ng nghe c\u1ee7a con ng\u01b0\u1eddi (tr\u00ean 20kHz), \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t c\u00f4ng c\u1ee5 v\u00f4 c\u00f9ng h\u1eefu \u00edch trong nhi\u1ec1u l\u0129nh v\u1ef1c, t\u1eeb y t\u1ebf v\u00e0 c\u00f4ng nghi\u1ec7p \u0111\u1ebfn nghi\u00ean c\u1ee9u khoa h\u1ecdc v\u00e0 \u0111\u1eddi s\u1ed1ng h\u00e0ng ng\u00e0y. S\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7 si\u00eau \u00e2m \u0111\u00e3 m\u1edf ra nh\u1eefng kh\u1ea3 n\u0103ng m\u1edbi m\u1ebb v\u00e0 \u0111\u00f3ng g\u00f3p \u0111\u00e1ng k\u1ec3 v\u00e0o s\u1ef1 ti\u1ebfn b\u1ed9 c\u1ee7a x\u00e3 h\u1ed9i.<\/p>\n<h3>\u1ee8ng d\u1ee5ng trong y t\u1ebf<\/h3>\n<p>Trong y t\u1ebf, s\u00f3ng si\u00eau \u00e2m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i cho m\u1ee5c \u0111\u00edch ch\u1ea9n \u0111o\u00e1n v\u00e0 \u0111i\u1ec1u tr\u1ecb. K\u1ef9 thu\u1eadt si\u00eau \u00e2m cho ph\u00e9p t\u1ea1o ra h\u00ecnh \u1ea3nh b\u00ean trong c\u01a1 th\u1ec3 m\u00e0 kh\u00f4ng c\u1ea7n ph\u1eabu thu\u1eadt, gi\u00fap b\u00e1c s\u0129 quan s\u00e1t c\u00e1c c\u01a1 quan, m\u1ea1ch m\u00e1u v\u00e0 m\u00f4. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch trong vi\u1ec7c theo d\u00f5i thai nhi, ch\u1ea9n \u0111o\u00e1n c\u00e1c b\u1ec7nh l\u00fd v\u1ec1 tim, gan, th\u1eadn v\u00e0 nhi\u1ec1u b\u1ed9 ph\u1eadn kh\u00e1c.  Si\u00eau \u00e2m c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c li\u1ec7u ph\u00e1p \u0111i\u1ec1u tr\u1ecb nh\u01b0 v\u1eadt l\u00fd tr\u1ecb li\u1ec7u, gi\u1ea3m \u0111au v\u00e0 ph\u00e1 h\u1ee7y c\u00e1c kh\u1ed1i u.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>\u1ee8ng d\u1ee5ng<\/th>\n<th>M\u00f4 t\u1ea3<\/th>\n<th>L\u1ee3i \u00edch<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Ch\u1ea9n \u0111o\u00e1n h\u00ecnh \u1ea3nh<\/td>\n<td>T\u1ea1o h\u00ecnh \u1ea3nh c\u00e1c c\u01a1 quan n\u1ed9i t\u1ea1ng<\/td>\n<td>Kh\u00f4ng x\u00e2m l\u1ea5n, an to\u00e0n, chi ph\u00ed th\u1ea5p<\/td>\n<\/tr>\n<tr>\n<td>Theo d\u00f5i thai nhi<\/td>\n<td>Ki\u1ec3m tra s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a thai nhi<\/td>\n<td>An to\u00e0n cho c\u1ea3 m\u1eb9 v\u00e0 b\u00e9<\/td>\n<\/tr>\n<tr>\n<td>V\u1eadt l\u00fd tr\u1ecb li\u1ec7u<\/td>\n<td>Gi\u1ea3m \u0111au, t\u0103ng c\u01b0\u1eddng tu\u1ea7n ho\u00e0n m\u00e1u<\/td>\n<td>Kh\u00f4ng d\u00f9ng thu\u1ed1c, hi\u1ec7u qu\u1ea3 nhanh<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1eabu thu\u1eadt si\u00eau \u00e2m<\/td>\n<td>Ph\u00e1 h\u1ee7y kh\u1ed1i u, s\u1ecfi th\u1eadn<\/td>\n<td>\u00cdt x\u00e2m l\u1ea5n, th\u1eddi gian ph\u1ee5c h\u1ed3i nhanh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u1ee8ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p<\/h3>\n<p>Trong c\u00f4ng nghi\u1ec7p, s\u00f3ng si\u00eau \u00e2m \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong nhi\u1ec1u quy tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng.  Si\u00eau \u00e2m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 h\u00e0n, c\u1eaft, l\u00e0m s\u1ea1ch, ki\u1ec3m tra khuy\u1ebft t\u1eadt trong v\u1eadt li\u1ec7u, \u0111o kho\u1ea3ng c\u00e1ch v\u00e0 \u0111o l\u01b0u l\u01b0\u1ee3ng.  V\u00ed d\u1ee5, vi\u1ec7c s\u1eed d\u1ee5ng s\u00f3ng si\u00eau \u00e2m \u0111\u1ec3 l\u00e0m s\u1ea1ch c\u00e1c chi ti\u1ebft m\u00e1y ph\u1ee9c t\u1ea1p gi\u00fap lo\u1ea1i b\u1ecf b\u1ee5i b\u1ea9n v\u00e0 d\u1ea7u m\u1ee1 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 m\u00e0 kh\u00f4ng g\u00e2y h\u01b0 h\u1ea1i b\u1ec1 m\u1eb7t.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>\u1ee8ng d\u1ee5ng<\/th>\n<th>M\u00f4 t\u1ea3<\/th>\n<th>L\u1ee3i \u00edch<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>H\u00e0n si\u00eau \u00e2m<\/td>\n<td>N\u1ed1i c\u00e1c v\u1eadt li\u1ec7u b\u1eb1ng n\u0103ng l\u01b0\u1ee3ng si\u00eau \u00e2m<\/td>\n<td>Nhanh ch\u00f3ng, ch\u00ednh x\u00e1c, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng<\/td>\n<\/tr>\n<tr>\n<td>L\u00e0m s\u1ea1ch si\u00eau \u00e2m<\/td>\n<td>Lo\u1ea1i b\u1ecf b\u1ee5i b\u1ea9n v\u00e0 t\u1ea1p ch\u1ea5t<\/td>\n<td>Hi\u1ec7u qu\u1ea3 cao, kh\u00f4ng g\u00e2y h\u01b0 h\u1ea1i b\u1ec1 m\u1eb7t<\/td>\n<\/tr>\n<tr>\n<td>Ki\u1ec3m tra khuy\u1ebft t\u1eadt<\/td>\n<td>Ph\u00e1t hi\u1ec7n c\u00e1c v\u1ebft n\u1ee9t, l\u1ed7 h\u1ed5ng trong v\u1eadt li\u1ec7u<\/td>\n<td>\u0110\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m<\/td>\n<\/tr>\n<tr>\n<td>\u0110o kho\u1ea3ng c\u00e1ch<\/td>\n<td>X\u00e1c \u0111\u1ecbnh kho\u1ea3ng c\u00e1ch \u0111\u1ebfn v\u1eadt th\u1ec3<\/td>\n<td>Ch\u00ednh x\u00e1c, kh\u00f4ng ti\u1ebfp x\u00fac<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u1ee8ng d\u1ee5ng trong \u0111\u1eddi s\u1ed1ng h\u00e0ng ng\u00e0y<\/h3>\n<p>S\u00f3ng si\u00eau \u00e2m c\u0169ng c\u00f3 m\u1eb7t trong nhi\u1ec1u thi\u1ebft b\u1ecb gia d\u1ee5ng.  M\u1ed9t v\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh l\u00e0 m\u00e1y t\u1ea1o \u0111\u1ed9 \u1ea9m s\u1eed d\u1ee5ng s\u00f3ng si\u00eau \u00e2m \u0111\u1ec3 t\u1ea1o ra s\u01b0\u01a1ng n\u01b0\u1edbc.  Ngo\u00e0i ra, s\u00f3ng si\u00eau \u00e2m c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb \u0111u\u1ed5i c\u00f4n tr\u00f9ng, c\u1ea3m bi\u1ebfn \u0111\u1ed7 xe v\u00e0 m\u1ed9t s\u1ed1 lo\u1ea1i m\u00e1y r\u1eeda b\u00e1t.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>\u1ee8ng d\u1ee5ng<\/th>\n<th>M\u00f4 t\u1ea3<\/th>\n<th>L\u1ee3i \u00edch<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>M\u00e1y t\u1ea1o \u0111\u1ed9 \u1ea9m<\/td>\n<td>T\u1ea1o s\u01b0\u01a1ng n\u01b0\u1edbc l\u00e0m \u1ea9m kh\u00f4ng kh\u00ed<\/td>\n<td>C\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed<\/td>\n<\/tr>\n<tr>\n<td>\u0110u\u1ed5i c\u00f4n tr\u00f9ng<\/td>\n<td>Ph\u00e1t ra s\u00f3ng \u00e2m \u0111u\u1ed5i c\u00f4n tr\u00f9ng<\/td>\n<td>An to\u00e0n, kh\u00f4ng d\u00f9ng h\u00f3a ch\u1ea5t<\/td>\n<\/tr>\n<tr>\n<td>C\u1ea3m bi\u1ebfn \u0111\u1ed7 xe<\/td>\n<td>X\u00e1c \u0111\u1ecbnh kho\u1ea3ng c\u00e1ch \u0111\u1ebfn v\u1eadt c\u1ea3n<\/td>\n<td>H\u1ed7 tr\u1ee3 \u0111\u1ed7 xe an to\u00e0n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>S\u1ef1 \u0111a d\u1ea1ng trong \u1ee9ng d\u1ee5ng c\u1ee7a s\u00f3ng si\u00eau \u00e2m cho th\u1ea5y ti\u1ec1m n\u0103ng to l\u1edbn c\u1ee7a c\u00f4ng ngh\u1ec7 n\u00e0y.  T\u1eeb vi\u1ec7c ch\u1ea9n \u0111o\u00e1n b\u1ec7nh \u0111\u1ebfn s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1eddi s\u1ed1ng h\u00e0ng ng\u00e0y, s\u00f3ng si\u00eau \u00e2m \u0111ang \u0111\u00f3ng g\u00f3p m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu v\u00e0o s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a khoa h\u1ecdc k\u1ef9 thu\u1eadt v\u00e0 x\u00e3 h\u1ed9i.  Nh\u1eefng nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n ti\u1ebfp theo h\u1ee9a h\u1eb9n s\u1ebd mang l\u1ea1i nhi\u1ec1u \u1ee9ng d\u1ee5ng \u0111\u1ed9t ph\u00e1 h\u01a1n n\u1eefa trong t\u01b0\u01a1ng lai.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>S\u00f3ng si\u00eau \u00e2m, v\u1edbi t\u1ea7n s\u1ed1 v\u01b0\u1ee3t qu\u00e1 ng\u01b0\u1ee1ng nghe c\u1ee7a con ng\u01b0\u1eddi (tr\u00ean 20kHz), \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t c\u00f4ng c\u1ee5 v\u00f4 c\u00f9ng h\u1eefu \u00edch trong nhi\u1ec1u l\u0129nh v\u1ef1c, t\u1eeb y t\u1ebf v\u00e0 c\u00f4ng nghi\u1ec7p \u0111\u1ebfn nghi\u00ean c\u1ee9u khoa h\u1ecdc v\u00e0 \u0111\u1eddi s\u1ed1ng h\u00e0ng ng\u00e0y. S\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7 si\u00eau \u00e2m \u0111\u00e3 m\u1edf<\/p>\n","protected":false},"author":1,"featured_media":1589,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-54868","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\/54868","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=54868"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/54868\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/1589"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=54868"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=54868"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=54868"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}