TsimScience

Suab nrov - ib tug ... Muaj suab nrov thiab nws cov feem rau tib neeg

Suab nrov - ib tug tej yam suab deeg. Tam sim no txhua txhua tus neeg thib ob no tsis tsuas muaj hnub nkees, tab sis hais txog ib zaug ib lub lim tiam, koj ib tug ntse mob taub hau. Yuav ua li cas ua tau yog vim li cas? Suab nrov yuav muaj ib qhov zoo thiab tej yam tsis zoo rau tib neeg noj qab haus huv. Piv txwv li, nyuam qhuav ua nrov mus siv dawb nrov nrov kom zoo ntaug tus me nyuam thiab lub normalization ntawm nws pw tsaug zog.

Cov kev tsis zoo ntawm cov suab nrov nyob rau hauv lub cev

Tej yam tsis zoo yog nyob ntawm seb feem ntau thiab ntev npaum li cas ib tug neeg yog nyob rau hauv tus ntawm high-zaus suab. Qhov mob ntawm cov suab nrov yog kiag li tsis inferior mus rau nws lub haum. Suab nrov thiab nws cov teebmeem rau tib neeg kawm nyob rau hauv ancient sij hawm. Nws yog lub npe hu hais tias nyob rau hauv ancient Tuam Tshoj feem ntau tsim txom suab. Xws li ib tug nplua yog suav tias yog yuav tsum tau ib qho ntawm feem tsausmuag.

Zaum pom tau hais tias high-zaus suab yam tsis zoo rau lub hlwb thiab lub hlwb txoj kev loj hlob. Sib nrug los ntawm cov neeg no yog leej twg nyob rau hauv qhov suab nrov kev nyuaj siab, sai sai tau nkees, raug kev txom nyem los ntawm heev mob taub hau, insomnia thiab tsis qab los noj mov. Thaum lub sij hawm, cov neeg no yuav tsim cov kab mob plawv, puas siab puas ntsws, impaired metabolism thiab thyroid muaj nuj nqi. Nyob rau hauv loj lub zos, lub suab nrov muaj ib tug irreversible tej yam tsis zoo rau tib neeg lub cev. Niaj hnub no qhov teeb meem no yog ua kom tswj ib tug lossis loj tus naj npawb ntawm environmentalists. Yuav kom insulate koj lub tsev los ntawm cov suab nrov stimuli ntawm ib tug loj lub nroog, nruab soundproofing.

suab nrov theem

Suab nrov nyob rau hauv decibels - yog lub hwj chim ntawm lub suab, uas yog ntaus nqi los ntawm cov tib neeg lub rooj sib hais system. Nws yog ntseeg hais tias cov tib neeg pob ntseg perceives suab nyob rau hauv lub ntau zaus 0-140 decibels. sab siv suab cuam tshuam rau lub cev favorably. Cov no muaj xws lub suab ntawm qhov, namely, los nag, dej tsaws tsag thiab cov zoo li. Siv tau yog ib tug lub suab uas yog tsis muaj teeb meem rau tib neeg lub cev thiab lub rooj sib hais kev pab.

Suab nrov - yog ib qho txhais txawv zaus suab. Muaj feem ntau txais cov qauv ntawm lub suab ntau ntau rau cov pej xeem thiab lwm cov chaw tus neeg qhov chaw nyob. Piv txwv li, nyob rau hauv cov tsev kho mob thiab tsev muaj suab cai - yog 30-37 dB, thaum muaj suab nrov nce mus txog 55-66 dB. Txawm li cas los, feem ntau nyob rau hauv densely populated lub zos, lub suab deeg mus txog ib tug ntau dua lub cim. Cov kws kho mob ntseeg tau hais tias ib lub suab uas tshaj lub cim ntawm 60 dB, ua tib neeg neurological ntshawv siab. Nws yog vim li no hais tias cov neeg nyob rau hauv loj lub zos muaj mob qaug zog thiab nquag mob taub hau. Suab uas ntau tshaj 90 decibels, ua rau kom tsis hnov lus, ib tug ntau dua zaus yuav ua rau txoj kev tuag.

Qhov zoo tej yam ntawm lub suab

Raug suab nrov thiab siv rau lam hom phiaj. Tsawg zaus tsis los txhim kho kev puas hlwb thiab puas siab puas ntsws txoj kev loj hlob thiab kev xav tom qab. Raws li twb tau hais, xws li tej suab tawm txim liab los ntawm qhov. Cov nyhuv ntawm cov suab nrov nyob rau hauv ib tug neeg yog tsis to taub, tiam sis nws yog ntseeg hais tias lub rooj sib hais pab yog ib tug neeg laus sawv 90 decibels, thaum lub sij hawm cov me nyuam membrane yuav mas tsuas 70.

Ultra- thiab infrasound

Infra- thiab ultrasound muaj feem ntau tsis zoo feem nyob rau hauv tib lub rooj sib hais system. From xws li suab nrov tsis tau txais kev cawmdim, vim hais tias cov variations tsuas hnov cov tsiaj. Tej suab yog suab txaus ntshai vim hais tias lawv muaj kev cuam tshuam cov hauv nruab nrog cev, thiab tej zaum yuav ua rau lawv puas tsuaj thiab sib tawg.

Qhov txawv ntawm lub suab thiab cov suab nrov

Suab thiab cov suab nrov - nws yog heev uas zoo sib xws nyob rau hauv lub ntsiab lus ntawm lo lus. Txawm li cas los, qhov sib txawv tseem muaj. Nyob rau hauv lub suab meant txhua yam uas peb hnov, thiab lub suab nrov - qhov no yog lub suab tsis yog zoo li ib txog kev tus neeg los yog pab pawg neeg ntawm cov neeg. Qhov no yuav ua tau ib tug neeg lub suab hu nkauj, cov dev tsem, lub suab ntawm ib tug jackhammer, muaj suab nrov thiab ib tug lossis loj tus naj npawb ntawm annoying suab.

hom suab nrov

Lub suab nrov yog muab faib los ntawm cov spectral yam ntxwv ntawm kaum hom, namely: dawb, dub, liab, xim av, xiav, liab doog, grey, txiv kab ntxwv, ntsuab thiab liab. Lawv tag nrho cov muaj lawv tus kheej cov yam ntxwv.

Dawb suab nrov yog yus muaj los ntawm ib tug niaj hnub zaus tis, thiab lub liab thiab xim liab ntawm lawv nce. Nyob rau tib lub sij hawm, dub yog lub feem ntau mysterious. Nyob rau hauv lwm yam lus, cov dub cov suab nrov - nws yog silence.

suab nrov kab mob

Tej yam uas suab nrov nyob rau hauv tib neeg lub rooj sib hais lawg hlob hlob. suab nrov muaj peev xwm tsim tau tus kab mob nyob rau hauv tas li ntawd mus mob mob taub hau thiab mob nkees, los ntawm cov high-zaus tsis. Cov kws kho mob thiaj paub hais tias nws tus neeg mob yog hais tias nws yws ntawm tseem ceeb lub rooj sib hais tsis tau, raws li tau zoo raws li rau kev hloov nyob rau hauv lub central lub paj hlwb.

Thawj zaug tsos mob ntawm tus kab mob no suab nrov - ringing nyob rau hauv lub pob ntseg, mob taub hau, thiab mob nkees unfounded. Tsis hnov lus yog tshwj xeeb tshaj yog txaus ntshai thaum nyob rau hauv kev sib cuag nrog ultra- thiab infrasound. Txawm tias tom qab ib tug luv luv sis nrog xws li ib suab nrov nrov yuav ua raws li los ntawm ib tug ua tiav tsis hnov lus thiab tsim kua muag eardrums. Tej yam tshwm sim ntawm kev raug mob los ntawm no hom ntawm cov suab nrov yog ib tug ntse mob nyob rau hauv lub pob ntseg, raws li zoo raws li congestion. Thaum xws li cov tsos mob yuav tsum tam sim ntawd hu rau ib tug tshwj xeeb. Feem ntau cov feem ntau, thaum lub caij nyoog raug suab nrov nyob rau hauv lub rooj sib hais hloov khoom nruab nrog muaj yog ib tug ua txhaum ntawm poob siab, kev mob plawv ua si thiab vegetative kawg. Nce tawm hws ntau dhau pib ntsais koj teeb ib suab nrov nrov kab mob.

Suab nrov kab mob no yog tsis ib txwm kho tau. Feem ntau, koj yuav rov qab ib nrab xwb lub rooj sib hais tuition. Nyob rau hauv thiaj li yuav tshem tawm tus kab mob no, kws txawj pom zoo kom tsis txhob sib cuag nrog lub high-zaus suab, raws li zoo raws li cov tshuaj.

Muaj peb degrees ntawm lub suab nrov ntawm tus kab mob. Tus thawj degree ntawm tus kab mob yog tsiag ntawv los ntawm khov ntawm lub rooj sib hais kev pab. Rau ntawm no theem tus kab mob yog yooj yim kho tau, tab sis tom qab kev ncaj ncees ntawm tus neeg mob yuav rov hu nrog lub suab nrov, tiam sis yuav tsum yauv mus ua ib tug txhua xyoo kev soj ntsuam ntawm lub pob ntseg.

Qhov thib ob degree ntawm tus kab mob yog tsiag ntawv los ntawm yam ntxwv tib yam li cov thawj. Qhov txawv tsuas - yog ib tug ntau txhij txhua kev kho mob.

Qhov thib peb theem ntawm lub suab nrov ntawm tus kab mob yuav tsum tau loj kev cuam tshuam. Nrog tus neeg mob ib lub zuj zus los sib tham txog yog vim li cas ntawm tus kab mob. Yog hais tias qhov no yog ib qhov tsim nyog ntawm cov kev ua si ntawm tus neeg mob, cov variant ua haujlwm ua hauj lwm.

Qhov thib plaub theem ntawm tus kab mob yog feem ntau txaus ntshai. Cov neeg mob yuav tsum tau mus kiag li tshem tawm cov los ntawm cov suab nrov nyob rau hauv lub cev.

Kev tiv thaiv ntawm cov suab nrov kab mob

Nrog heev sis nrog lub suab nrov, piv txwv li, nyob rau ntawm lub chaw ua hauj lwm, nws yuav tsum tau mus yauv mus ib xyoo ib zaug kev xeem los ntawm ib tug tshwj xeeb. Qhov no yuav tso cai rau hauv thaum ntxov ua sawv ntawm tus kab mob los kuaj thiab daws. Nws yog ntseeg hais tias tus kab mob no yog tseem raug rau cov suab nrov hluas.
Yog vim li cas rau qhov no yog mus xyuas tej pab pawg thiab discotheques, qhov twg lub suab theem tshaj 90 decibels, thiab nquag mloog suab paj nruag nyob rau hauv headphones nyob rau high school volume. Tej cov me nyuam hluas thiaj li cov theem ntawm lub hlwb kev ua si, nco deteriorates.

muaj suab

Muaj suab nrov - ib qho ntawm lub feem ntau txaus ntshai, vim hais tias xws suab nrog peb feem ntau nyob rau hauv lub chaw ua hauj lwm, thiab mus tshem tawm lawv los yog suab tsis yooj yim sua.
Muaj nrov tshwm sim vim lub lag luam ntawm lub ntau lawm cov khoom. Qhov ntau ntawm cov suab tsis xws li ntawm 400 rau 800 Hz. Tshwj xeeb tau surveyed cov kev mob ntawm eardrums thiab pob ntseg blacksmiths, weavers, boilermakers, pilots thiab lwm yam neeg ua hauj lwm uas nrog muaj suab nrov. Nws pom hais tias cov neeg zoo li tau lus zoo sib hais, thiab ib txhia ntawm lawv muaj mob cov kab mob ntawm nruab nrab thiab inner pob ntseg, uas nyob rau hauv yav tom ntej yuav ua rau lag ntseg. Yuav kom tshem tawm muaj suab los yog downward rau txoj kev txhim kho nyob rau hauv lub tshuab lawv tus kheej. Ua li no, yuav hloov tau lub ua pa nrov qhov chaw nyob rau hauv lub ntsiag to thiab unstressed. Yog hais tias tus txheej txheem no yog tsis muaj, lwm cov kev xaiv yog xav tau lub zog ntawm industrial machinery nyob rau hauv ib tug nyias muaj nyias ib chav tsev, thiab nws cov kev tswj - nyob rau hauv ib tug soundproof chav tsev.
Feem ntau, rau kev tiv thaiv tiv thaiv muaj suab nrov siv insert lub rooj sib hais protector, uas tiv thaiv los ntawm lub suab, lub theem ntawm uas yuav tsis raug muab txo. Rau xws li kev tiv thaiv tej zaum yuav muaj xws li lub pob ntseg plugs, headphones, cov kaus mom thiab lwm yam.

Cov nyhuv ntawm cov suab nrov nyob rau hauv tus me nyuam lub cev

Nyob rau hauv tas li ntawd mus rau qhov phem ib puag ncig, thiab ntau lwm yam tseem ceeb, cov lam tau lam ua tus me nyuam thiab cov tub ntxhais hluas lub cev yog tseem cuam tshuam los ntawm cov suab nrov. Cia li zoo li neeg laus, cov me nyuam muaj ib tug tsis hnov lus thiab ua hauj lwm ntawm tus kabmob. Unformed lub cev yuav tsis tiv thaiv lawv tus kheej los ntawm cov suab yam, yog li ntawd lub rooj sib hais pab yog feem ntau yooj yim. Yuav kom tiv thaiv tsis hnov lus yuav tsum tau ob lub cev tus me nyuam tus kws yuav nqa tawm ntau heev. Cov ua ntej lawm tus kab mob no yog kuaj, qhov yooj yim dua nws yuav ua tau ib tug kho.

Suab nrov - ib tug tshwm sim uas nrog peb thoob plaws lub neej. Peb yuav tsis quav ntsej nws tej yam, thiab tsis txawm xav txog nws. Yog no puas muaj tseeb? Kev tshawb fawb pom tau hais tias hais tias mob taub hau thiab nkees hais tias peb feem ntau nyob qib qub nrog ib tug hnyav hnub ua hauj lwm, nws yog feem ntau txuam nrog lub suab nrov yam. Yog hais tias koj tsis xav kom raug kev txom nyem los ntawm lub qhov lawm unwell, koj yuav tsum xav txog txoj kev tiv thaiv ntawm tej suab nrov nrov thiab txwv kev sib cuag nrog lawv. Ua raws li tag nrho cov tswv yim pom zoo rau cov kev txuag thiab restoration ntawm lub rooj sib hais. Nyob twj ywm noj qab nyob zoo!

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