TsimScience

Ionizing tawg

Ionizing tawg - nws yog, nyob rau hauv cov kev txiav txim zoo ntawm cov lo lus, ntau hom ntawm lub cev teb thiab microparticles. Yog hais tias saib los ntawm ib tug nqaim taw tes ntawm view, tsis yog rau nws, thiab ultraviolet tawg ntawm qhov pom lub teeb ntau, uas nyob rau hauv tej rooj plaub yuav tsum ionizing. Microwave tawg thiab xov tooj cua bands tsis ionizing, txij li thaum lawv lub zog yog tsis txaus rau ionize molecules thiab atoms.

Nyob rau hauv hnub no lub ntiaj teb no nws tau ua ib ntau ionizing tawg. Nws yog ib, nyob rau hauv qhov tseeb, radiant zog, uas nyob rau hauv kev sis raug zoo nrog cov ib puag ncig ntaub ntawv lub electric nqi uas txawv tej yam tshwm sim. Nws yog siv rau kev thaj yeeb lub hom phiaj, xws li rau ib tug ntau yam ntawm X-ray apparatus, tsuj roj chaw. Nws yog siv nyob rau hauv ua liaj ua teb.

Nyob rau hauv cov ntaub ntawv ntawm cov xwm txheej ntawm nuclear fais fab nroj tsuag, nuclear explosions, thiab ntau yam nuclear transformations tshwm sim thiab ua tsis ntaus nqi thiab tsis pom mus rau tus tib neeg lub nruab nrog cev uas kov ionizing tawg. Nuclear tawg tej zaum yuav electromagnetic nyob rau hauv cov xwm los yog tej zaum yuav ib tug ceev ceev mus kwj ntawm cov elementary hais - protons, alpha thiab beta hais, neutrons. Thaum cov kev sib tshuam uas muaj ntaub ntawv sib txawv lawv ionize atoms thiab molecules. Qhov ntau hwj chim koob tshuaj ionizing tawg, ionization ntawm qhov nruab nrab yuav tsum muaj zog, thiab qhov ntev ntawm raug tawg thiab radioactivity.

Nyob rau tib neeg thiab tsiaj ionizing tawg ua nyob rau hauv ib txoj kev uas txav lub cev nyob hlwb. Qhov no yuav ua rau cov zaubmov ntawm tus kab mob, thiab nyob rau hauv tej rooj plaub (nyob rau high school koob tshuaj) rau txoj kev tuag. Yuav kom to taub thiab kawm nws cov tej yam, nws yog tsim nyog los noj mus rau hauv tus account nws cov ntsiab yam ntxwv: ionizing thiab tob tob muaj peev xwm.

Yog hais tias peb xyuas nyob rau hauv kom meej txhua nyias ionizing tawg (alpha, beta, gamma, neutrons), nws muaj peev xwm yuav xaus lus tias Alpha muaj ib tug high ionization thiab ib tug tsis muaj zog tob tob hwj chim. Nyob rau hauv cov ntaub ntawv no, cov khaub ncaws yuav zoo tiv thaiv ib tug neeg. Cov feem ntau txaus ntshai - yog ntaus nws nrog dej, khoom noj khoom haus thiab cua nyob rau hauv ib tug nyob kab mob. Nyob rau hauv Beta - me me ionization, tab sis zoo tob tob hwj chim. Muaj yog tsis txaus cov khaub ncaws, koj yuav tau them ntau loj. Neutron los yog gamma tawg muaj ib tug high tob tob hwj chim, kev tiv thaiv yuav tsum tau nyob rau hauv daim ntawv ntawm cov fallout Cross, muaj kev nyab xeeb cellar los yog qab daus.

Xav txog ionizing tawg, hom nws, thiab zog. Qhov tseem ntau haiv neeg tej, lawv yog tsim nyob rau hauv kev twb kev txuas nrog cov tsis tau tso cai tej lwj ntawm cov ntsiab ntawm cov atomic nuclei, nrog ib tug kev hloov nyob rau hauv lawv cov tshuaj thiab lub zog. Tej yam zoo li yog tej. Lawv yuav ua tau ob yam (eg, radium, thorium, uranium, etc.), thiab tau ua los ntawm cov khoom cua txhais tau tias.

Ionizing tawg. hom

Ntau hom sib txawv ntawm cov loj, zog thiab xwb. Tsis pub dhau txhua tsiaj nws muaj nws sib txawv - yog tsawg los yog ntau tshaj ionizing thiab tob tob muaj peev xwm, raws li zoo li lwm yam nta. Cov kev siv ntawm no tawg yog inversely xwm yeem mus rau square ntawm tus piv ntawm qhov kev ncua deb ntawm lub zog qhov twg los ncaj qha. Thaum qhov kev ncua deb yog nce mus rau ob peb lub sij hawm nws siv yog txo kom haum. Piv txwv li, yog hais tias tus nce nyob rau hauv qhov kev ncua deb yog ob zaug raug poob nyob rau hauv plaub.

Lub xub ntiag ntawm tej ntsiab tej zaum yuav nyob rau hauv cov kua thiab khib nyiab li zoo li roj cua. Yog li ntawd, nyob rau hauv tas li ntawd mus rau lawv cov kev zog, ionizing tawg muaj tib lub zog li no peb lub cev lub xeev. Hais tias yog, nws muaj peev xwm tsim ib tug vapor thiab aerosols sai sai kis nyob rau hauv cov huab cua, plua plav paug huab cua ib puag ncig rau qhov chaw, cov khoom siv, daim tawv nqaij ntawm cov neeg ua hauj thiab lawv tej khaub ncaws rau txeem nyob rau hauv lub pa system, digestive ib ntsuj av tau, thiab lwm tus neeg.

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