Dab tsi yog qhov xau hluav taws xob hauv X rays?
Dab tsi yog qhov xau hluav taws xob hauv X rays?

Video: Dab tsi yog qhov xau hluav taws xob hauv X rays?

Video: Dab tsi yog qhov xau hluav taws xob hauv X rays?
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Cov hluav taws xob tawg yog tag nrho hluav taws xob khiav tawm hauv qhov chaw sib dhos tshwj tsis yog rau cov nqaj muaj txiaj ntsig. Nws yog feem ntau tswj los ntawm kev tsim ntawm lub raj vaj tse thiab cov collimator filtering kom zoo. Txoj kev hluav taws xob yog sum tawg hluav taws xob thiab tawg hluav taws xob.

Tseem yuav paub yog, X-ray tshuab puas tuaj yeem tawg hluav taws xob?

Txhua qhov xau los ntawm lub collimator yog tib yam li cov dej ntws los ntawm txhua qhov chaw nyob ib puag ncig x - ray cev vaj. Cov hlau lead tiv thaiv nyob rau hauv vaj tse thiab cov collimator hniav yog tuab txaus kom nres feem ntau ntawm cov hluav taws xob , thiab qhov tsawg heev uas tau los ntawm yog cov xau hluav taws xob.

Tsis tas li ntawd, thawj X ray beam yog dab tsi? Thaum muaj kev cuam tshuam, x - ray hluav taws xob tawm hauv lub raj raws li lub npe hu ua thawj beam . Thaum lub thawj beam dhau los ntawm lub cev, qee qhov hluav taws xob yog absorbed hauv cov txheej txheem hu ua attenuation.

Tsis tas li ntawd, dab tsi yog qhov txwv ntawm kev xa hluav taws xob los ntawm kev kuaj X ray raj?

tus tawg hluav taws xob ntsuas ntawm qhov deb ntawm 1m ntawm lub x - ray qhov chaw tsis pub tshaj 1 mGy/hr (100mR/hr) thaum lub cev yog ua haujlwm ntawm nws qhov siab tshaj plaws ntawm qhov siab tshaj plaws tam sim no uas tso cai rau kev ua haujlwm tas mus li.

Secondary radiation ntawm X rays yog dab tsi?

Secondary hluav taws xob hais txog hluav taws xob keeb kwm los ntawm kev nqus ntawm yav dhau los hluav taws xob hauv qhov teeb meem. Nws tuaj yeem yog nyob rau hauv daim ntawv ntawm electromagnetic nthwv dej lossis ntawm cov khoom txav.

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