{"id":44892,"date":"2023-04-22T03:09:29","date_gmt":"2023-04-22T08:09:29","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-to-stop-ultrasonic-waves\/"},"modified":"2025-01-21T07:21:53","modified_gmt":"2025-01-21T12:21:53","slug":"how-to-stop-ultrasonic-waves","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/how-to-stop-ultrasonic-waves\/","title":{"rendered":"Kh\u1eafc ph\u1ee5c s\u00f3ng si\u00eau \u00e2m: Ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7u qu\u1ea3"},"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, \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c, t\u1eeb y t\u1ebf v\u00e0 c\u00f4ng nghi\u1ec7p \u0111\u1ebfn \u0111\u1eddi s\u1ed1ng h\u00e0ng ng\u00e0y. Tuy nhi\u00ean, trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, vi\u1ec7c ki\u1ec3m so\u00e1t v\u00e0 ng\u0103n ch\u1eb7n s\u1ef1 lan truy\u1ec1n c\u1ee7a s\u00f3ng si\u00eau \u00e2m l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3 ho\u1ea1t \u0111\u1ed9ng. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd tr\u00ecnh b\u00e0y chi ti\u1ebft v\u1ec1 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ng\u0103n ch\u1eb7n s\u00f3ng si\u00eau \u00e2m.<\/p>\n<h3>H\u1ea5p th\u1ee5 s\u00f3ng si\u00eau \u00e2m<\/h3>\n<p>M\u1ed9t trong nh\u1eefng c\u00e1ch hi\u1ec7u qu\u1ea3 nh\u1ea5t \u0111\u1ec3 ng\u0103n ch\u1eb7n s\u00f3ng si\u00eau \u00e2m l\u00e0 s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u h\u1ea5p th\u1ee5. V\u1eadt li\u1ec7u n\u00e0y chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng s\u00f3ng si\u00eau \u00e2m th\u00e0nh nhi\u1ec7t n\u0103ng, l\u00e0m gi\u1ea3m c\u01b0\u1eddng \u0111\u1ed9 s\u00f3ng. <\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>V\u1eadt li\u1ec7u<\/th>\n<th>H\u1ec7 s\u1ed1 h\u1ea5p th\u1ee5<\/th>\n<th>\u1ee8ng d\u1ee5ng<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Cao su<\/td>\n<td>Cao<\/td>\n<td>Ch\u1ed1ng rung, gi\u1ea3m \u1ed3n<\/td>\n<\/tr>\n<tr>\n<td>X\u1ed1p<\/td>\n<td>Trung b\u00ecnh<\/td>\n<td>C\u00e1ch \u00e2m trong ph\u00f2ng thu<\/td>\n<\/tr>\n<tr>\n<td>V\u1ea3i n\u1ec9<\/td>\n<td>Th\u1ea5p<\/td>\n<td>L\u00f3t gh\u1ebf, th\u1ea3m<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u h\u1ea5p th\u1ee5 ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o t\u1ea7n s\u1ed1 s\u00f3ng si\u00eau \u00e2m v\u00e0 m\u1ee9c \u0111\u1ed9 gi\u1ea3m c\u01b0\u1eddng \u0111\u1ed9 mong mu\u1ed1n.<\/p>\n<h3>Ph\u1ea3n x\u1ea1 s\u00f3ng si\u00eau \u00e2m<\/h3>\n<p>Ph\u01b0\u01a1ng ph\u00e1p ph\u1ea3n x\u1ea1 d\u1ef1a tr\u00ean nguy\u00ean l\u00fd s\u00f3ng si\u00eau \u00e2m b\u1ecb d\u1ed9i ng\u01b0\u1ee3c l\u1ea1i khi g\u1eb7p b\u1ec1 m\u1eb7t ph\u1ea3n x\u1ea1. B\u1ec1 m\u1eb7t c\u1ee9ng v\u00e0 nh\u1eb5n c\u00f3 kh\u1ea3 n\u0103ng ph\u1ea3n x\u1ea1 s\u00f3ng si\u00eau \u00e2m t\u1ed1t h\u01a1n.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>V\u1eadt li\u1ec7u<\/th>\n<th>H\u1ec7 s\u1ed1 ph\u1ea3n x\u1ea1<\/th>\n<th>\u1ee8ng d\u1ee5ng<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Kim lo\u1ea1i<\/td>\n<td>Cao<\/td>\n<td>Ki\u1ec3m tra khuy\u1ebft t\u1eadt trong v\u1eadt li\u1ec7u<\/td>\n<\/tr>\n<tr>\n<td>G\u1ed7<\/td>\n<td>Trung b\u00ecnh<\/td>\n<td>Thi\u1ebft k\u1ebf ph\u00f2ng nghe nh\u1ea1c<\/td>\n<\/tr>\n<tr>\n<td>B\u00ea t\u00f4ng<\/td>\n<td>Th\u1ea5p<\/td>\n<td>X\u00e2y d\u1ef1ng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>G\u00f3c t\u1edbi c\u1ee7a s\u00f3ng si\u00eau \u00e2m c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u qu\u1ea3 ph\u1ea3n x\u1ea1. G\u00f3c t\u1edbi c\u00e0ng vu\u00f4ng g\u00f3c v\u1edbi b\u1ec1 m\u1eb7t ph\u1ea3n x\u1ea1, hi\u1ec7u qu\u1ea3 ph\u1ea3n x\u1ea1 c\u00e0ng cao.<\/p>\n<h3>Khu\u1ebfch t\u00e1n s\u00f3ng si\u00eau \u00e2m<\/h3>\n<p>Khu\u1ebfch t\u00e1n s\u00f3ng si\u00eau \u00e2m l\u00e0 vi\u1ec7c ph\u00e2n t\u00e1n n\u0103ng l\u01b0\u1ee3ng s\u00f3ng theo nhi\u1ec1u h\u01b0\u1edbng kh\u00e1c nhau, l\u00e0m gi\u1ea3m c\u01b0\u1eddng \u0111\u1ed9 s\u00f3ng t\u1ea1i m\u1ed9t \u0111i\u1ec3m c\u1ee5 th\u1ec3.  B\u1ec1 m\u1eb7t g\u1ed3 gh\u1ec1 v\u00e0 kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u c\u00f3 kh\u1ea3 n\u0103ng khu\u1ebfch t\u00e1n s\u00f3ng si\u00eau \u00e2m t\u1ed1t.<\/p>\n<h3>K\u1ebft h\u1ee3p c\u00e1c ph\u01b0\u01a1ng ph\u00e1p<\/h3>\n<p>Trong th\u1ef1c t\u1ebf, vi\u1ec7c k\u1ebft h\u1ee3p c\u00e1c ph\u01b0\u01a1ng ph\u00e1p tr\u00ean th\u01b0\u1eddng mang l\u1ea1i hi\u1ec7u qu\u1ea3 t\u1ed1t nh\u1ea5t. V\u00ed d\u1ee5, m\u1ed9t ph\u00f2ng c\u00e1ch \u00e2m c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u1ea3 v\u1eadt li\u1ec7u h\u1ea5p th\u1ee5 v\u00e0 ph\u1ea3n x\u1ea1 \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee9c \u0111\u1ed9 c\u00e1ch \u00e2m t\u1ed1i \u01b0u.  Vi\u1ec7c thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng ng\u0103n ch\u1eb7n s\u00f3ng si\u00eau \u00e2m c\u1ea7n \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n k\u1ef9 l\u01b0\u1ee1ng d\u1ef1a tr\u00ean \u0111\u1eb7c t\u00ednh c\u1ee7a s\u00f3ng si\u00eau \u00e2m v\u00e0 m\u00f4i tr\u01b0\u1eddng xung quanh.<\/p>\n<p>T\u00f3m l\u1ea1i, vi\u1ec7c ng\u0103n ch\u1eb7n s\u00f3ng si\u00eau \u00e2m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u00f4ng qua h\u1ea5p th\u1ee5, ph\u1ea3n x\u1ea1, v\u00e0 khu\u1ebfch t\u00e1n.  Vi\u1ec7c l\u1ef1a ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 v\u00e0 y\u00eau c\u1ea7u v\u1ec1 hi\u1ec7u su\u1ea5t. S\u1ef1 hi\u1ec3u bi\u1ebft v\u1ec1 c\u00e1c nguy\u00ean l\u00fd n\u00e0y s\u1ebd gi\u00fap ch\u00fang ta ki\u1ec3m so\u00e1t v\u00e0 \u1ee9ng d\u1ee5ng s\u00f3ng si\u00eau \u00e2m m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 v\u00e0 an to\u00e0n h\u01a1n.<\/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, \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c, t\u1eeb y t\u1ebf v\u00e0 c\u00f4ng nghi\u1ec7p \u0111\u1ebfn \u0111\u1eddi s\u1ed1ng h\u00e0ng ng\u00e0y. Tuy nhi\u00ean, trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, vi\u1ec7c ki\u1ec3m so\u00e1t v\u00e0 ng\u0103n ch\u1eb7n s\u1ef1 lan truy\u1ec1n c\u1ee7a s\u00f3ng si\u00eau \u00e2m l\u00e0 c\u1ea7n<\/p>\n","protected":false},"author":1,"featured_media":26470,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-44892","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\/44892","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=44892"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/44892\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/26470"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=44892"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=44892"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=44892"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}