{"id":54823,"date":"2022-07-02T19:44:04","date_gmt":"2022-07-03T00:44:04","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/can-the-ultrasonic-sound-produced-by-ultrasonic-cleaners-damage-my-hearing\/"},"modified":"2025-01-21T07:06:33","modified_gmt":"2025-01-21T12:06:33","slug":"can-the-ultrasonic-sound-produced-by-ultrasonic-cleaners-damage-my-hearing","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/can-the-ultrasonic-sound-produced-by-ultrasonic-cleaners-damage-my-hearing\/","title":{"rendered":"M\u00e1y r\u1eeda si\u00eau \u00e2m: C\u00f3 h\u1ea1i th\u00ednh gi\u00e1c kh\u00f4ng?"},"content":{"rendered":"

M\u00e1y r\u1eeda si\u00eau \u00e2m \u0111\u00e3 tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn trong nhi\u1ec1u gia \u0111\u00ecnh v\u00e0 l\u0129nh v\u1ef1c c\u00f4ng nghi\u1ec7p nh\u1edd kh\u1ea3 n\u0103ng l\u00e0m s\u1ea1ch hi\u1ec7u qu\u1ea3. Tuy nhi\u00ean, m\u1ed9t c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p l\u00e0 li\u1ec7u \u00e2m thanh si\u00eau \u00e2m ph\u00e1t ra t\u1eeb m\u00e1y c\u00f3 th\u1ec3 g\u00e2y h\u1ea1i cho th\u00ednh gi\u00e1c c\u1ee7a ch\u00fang ta hay kh\u00f4ng. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd \u0111i s\u00e2u v\u00e0o v\u1ea5n \u0111\u1ec1 n\u00e0y, ph\u00e2n t\u00edch c\u00e1c y\u1ebfu t\u1ed1 li\u00ean quan v\u00e0 cung c\u1ea5p th\u00f4ng tin c\u1ea7n thi\u1ebft \u0111\u1ec3 b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 t\u00e1c \u0111\u1ed9ng c\u1ee7a m\u00e1y r\u1eeda si\u00eau \u00e2m \u0111\u1ebfn th\u00ednh gi\u00e1c.<\/p>\n

T\u1ea7n s\u1ed1 \u00e2m thanh si\u00eau \u00e2m<\/h3>\n

\u00c2m thanh si\u00eau \u00e2m ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ea7n s\u1ed1 tr\u00ean ng\u01b0\u1ee1ng nghe c\u1ee7a con ng\u01b0\u1eddi, th\u01b0\u1eddng l\u00e0 t\u1eeb 20kHz tr\u1edf l\u00ean. Tai ng\u01b0\u1eddi b\u00ecnh th\u01b0\u1eddng ch\u1ec9 c\u00f3 th\u1ec3 nghe \u0111\u01b0\u1ee3c \u00e2m thanh trong kho\u1ea3ng 20Hz \u0111\u1ebfn 20kHz. Do \u0111\u00f3, v\u1ec1 m\u1eb7t l\u00fd thuy\u1ebft, ch\u00fang ta kh\u00f4ng th\u1ec3 nghe th\u1ea5y \u00e2m thanh si\u00eau \u00e2m do m\u00e1y r\u1eeda si\u00eau \u00e2m ph\u00e1t ra.<\/p>\n

C\u01b0\u1eddng \u0111\u1ed9 \u00e2m thanh v\u00e0 kho\u1ea3ng c\u00e1ch<\/h3>\n

M\u1eb7c d\u00f9 kh\u00f4ng nghe th\u1ea5y \u0111\u01b0\u1ee3c, \u00e2m thanh si\u00eau \u00e2m v\u1eabn mang n\u0103ng l\u01b0\u1ee3ng. C\u01b0\u1eddng \u0111\u1ed9 \u00e2m thanh, \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng decibel (dB), l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng quy\u1ebft \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn th\u00ednh gi\u00e1c. Kho\u1ea3ng c\u00e1ch gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 m\u00e1y r\u1eeda si\u00eau \u00e2m c\u0169ng \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t. C\u00e0ng g\u1ea7n ngu\u1ed3n ph\u00e1t, c\u01b0\u1eddng \u0111\u1ed9 \u00e2m thanh c\u00e0ng l\u1edbn v\u00e0 nguy c\u01a1 \u1ea3nh h\u01b0\u1edfng c\u00e0ng cao.<\/p>\n\n\n\n\n\n\n\n
Kho\u1ea3ng c\u00e1ch<\/th>\nC\u01b0\u1eddng \u0111\u1ed9 \u00e2m thanh (dB)<\/th>\nM\u1ee9c \u0111\u1ed9 \u1ea3nh h\u01b0\u1edfng<\/th>\n<\/tr>\n<\/thead>\n
Ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi dung d\u1ecbch<\/td>\nCao<\/td>\nC\u00f3 th\u1ec3 g\u00e2y kh\u00f3 ch\u1ecbu<\/td>\n<\/tr>\n
1 m\u00e9t<\/td>\nTrung b\u00ecnh<\/td>\n\u00cdt \u1ea3nh h\u01b0\u1edfng<\/td>\n<\/tr>\n
2 m\u00e9t<\/td>\nTh\u1ea5p<\/td>\nKh\u00f4ng \u0111\u00e1ng k\u1ec3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

L\u01b0u \u00fd: B\u1ea3ng tr\u00ean ch\u1ec9 mang t\u00ednh ch\u1ea5t minh h\u1ecda v\u00e0 c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i m\u00e1y v\u00e0 m\u00f4i tr\u01b0\u1eddng.<\/em><\/p>\n

C\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c<\/h3>\n

Ngo\u00e0i t\u1ea7n s\u1ed1 v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 \u00e2m thanh, m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 kh\u00e1c c\u0169ng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u1ee9c \u0111\u1ed9 an to\u00e0n c\u1ee7a m\u00e1y r\u1eeda si\u00eau \u00e2m, bao g\u1ed3m:<\/p>\n

    \n
  • Th\u1eddi gian ti\u1ebfp x\u00fac:<\/strong> Ti\u1ebfp x\u00fac l\u00e2u d\u00e0i v\u1edbi \u00e2m thanh si\u00eau \u00e2m, d\u00f9 \u1edf c\u01b0\u1eddng \u0111\u1ed9 th\u1ea5p, c\u0169ng c\u00f3 th\u1ec3 g\u00e2y ra m\u1ed9t s\u1ed1 t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c.<\/li>\n
  • S\u1ee9c kh\u1ecfe c\u00e1 nh\u00e2n:<\/strong> Nh\u1eefng ng\u01b0\u1eddi c\u00f3 ti\u1ec1n s\u1eed v\u1ec1 c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 th\u00ednh gi\u00e1c c\u00f3 th\u1ec3 nh\u1ea1y c\u1ea3m h\u01a1n v\u1edbi \u00e2m thanh si\u00eau \u00e2m.<\/li>\n
  • Ch\u1ea5t l\u01b0\u1ee3ng m\u00e1y:<\/strong> M\u00e1y r\u1eeda si\u00eau \u00e2m ch\u1ea5t l\u01b0\u1ee3ng k\u00e9m c\u00f3 th\u1ec3 ph\u00e1t ra \u00e2m thanh \u1edf t\u1ea7n s\u1ed1 th\u1ea5p h\u01a1n, n\u1eb1m trong ng\u01b0\u1ee1ng nghe c\u1ee7a con ng\u01b0\u1eddi v\u00e0 g\u00e2y kh\u00f3 ch\u1ecbu.<\/li>\n<\/ul>\n

    V\u00ed d\u1ee5 th\u1ef1c t\u1ebf<\/h3>\n

    M\u1ed9t s\u1ed1 nghi\u00ean c\u1ee9u cho th\u1ea5y r\u1eb1ng vi\u1ec7c ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u00e0 k\u00e9o d\u00e0i v\u1edbi dung d\u1ecbch trong m\u00e1y r\u1eeda si\u00eau \u00e2m \u0111ang ho\u1ea1t \u0111\u1ed9ng c\u00f3 th\u1ec3 g\u00e2y ra c\u1ea3m gi\u00e1c kh\u00f3 ch\u1ecbu, \u00f9 tai t\u1ea1m th\u1eddi, ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 \u0111au \u0111\u1ea7u. Tuy nhi\u00ean, nh\u1eefng tri\u1ec7u ch\u1ee9ng n\u00e0y th\u01b0\u1eddng bi\u1ebfn m\u1ea5t sau khi ng\u1eebng ti\u1ebfp x\u00fac. N\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng m\u00e1y r\u1eeda si\u00eau \u00e2m \u0111\u00fang c\u00e1ch, duy tr\u00ec kho\u1ea3ng c\u00e1ch an to\u00e0n v\u00e0 h\u1ea1n ch\u1ebf th\u1eddi gian ti\u1ebfp x\u00fac, nguy c\u01a1 g\u00e2y h\u1ea1i cho th\u00ednh gi\u00e1c l\u00e0 r\u1ea5t th\u1ea5p.<\/p>\n

    T\u00f3m l\u1ea1i, m\u1eb7c d\u00f9 m\u00e1y r\u1eeda si\u00eau \u00e2m ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean s\u00f3ng si\u00eau \u00e2m, nh\u01b0ng kh\u1ea3 n\u0103ng g\u00e2y h\u1ea1i cho th\u00ednh gi\u00e1c l\u00e0 r\u1ea5t th\u1ea5p n\u1ebfu s\u1eed d\u1ee5ng \u0111\u00fang c\u00e1ch. Vi\u1ec7c duy tr\u00ec kho\u1ea3ng c\u00e1ch an to\u00e0n, h\u1ea1n ch\u1ebf th\u1eddi gian ti\u1ebfp x\u00fac v\u00e0 l\u1ef1a ch\u1ecdn m\u00e1y r\u1eeda si\u00eau \u00e2m ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t l\u00e0 nh\u1eefng bi\u1ec7n ph\u00e1p quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho th\u00ednh gi\u00e1c. N\u1ebfu b\u1ea1n c\u00f3 b\u1ea5t k\u1ef3 lo ng\u1ea1i n\u00e0o v\u1ec1 s\u1ee9c kh\u1ecfe th\u00ednh gi\u00e1c, h\u00e3y tham kh\u1ea3o \u00fd ki\u1ebfn c\u1ee7a chuy\u00ean gia y t\u1ebf.<\/p>\n","protected":false},"excerpt":{"rendered":"

    M\u00e1y r\u1eeda si\u00eau \u00e2m \u0111\u00e3 tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn trong nhi\u1ec1u gia \u0111\u00ecnh v\u00e0 l\u0129nh v\u1ef1c c\u00f4ng nghi\u1ec7p nh\u1edd kh\u1ea3 n\u0103ng l\u00e0m s\u1ea1ch hi\u1ec7u qu\u1ea3. Tuy nhi\u00ean, m\u1ed9t c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p l\u00e0 li\u1ec7u \u00e2m thanh si\u00eau \u00e2m ph\u00e1t ra t\u1eeb m\u00e1y c\u00f3 th\u1ec3 g\u00e2y h\u1ea1i cho th\u00ednh gi\u00e1c c\u1ee7a ch\u00fang ta hay kh\u00f4ng. B\u00e0i<\/p>\n","protected":false},"author":1,"featured_media":20118,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-54823","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\/54823","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=54823"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/54823\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/20118"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=54823"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=54823"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=54823"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}