Ultraviolet yog ib hom hluav taws xob hluav taws xob nrog lub wavelength ntawm 10 nm txog 400 nm, luv dua li qhov pom lub teeb, tab sis ntev dua X-rays. UV hluav taws xob muaj nyob rau hauv tshav ntuj, thiab muaj li ntawm 10% ntawm tag nrho cov hluav taws xob hluav taws xob hluav taws xob tawm los ntawm lub hnub.
YUV siv rau dab tsi?
UV hluav taws xob tau siv dav hauv cov txheej txheem kev lag luam thiab hauv kev kho mob thiab kev kho hniav rau ntau lub hom phiaj, xws li tua kab mob, tsim cov teebmeem fluorescent, kho inks thiab resins, phototherapy thiab suntanning. Qhov sib txawv UV wavelengths thiab siv zog yog siv rau ntau lub hom phiaj.
YYuav ua li cas yog UV?
YUV hluav taws xob: Ultraviolet hluav taws xob. Invisible rays uas yog ib feem ntawm lub zog uas los ntawm lub hnub, tuaj yeem hlawv daim tawv nqaij, thiab ua rau mob qog noj ntshav. UV hluav taws xob yog tsim los ntawm peb hom rays - ultraviolet A (UVA), ultraviolet B (UVB), thiab ultraviolet C (UVC).
Y UV yog dab tsi thiab nws ua dab tsi?
lub teeb ultraviolet yog ib hom hluav taws xob hluav taws xob uas ua rau cov ntawv xov xwm dub-lub teeb ci, thiab yog lav ris rau lub caij ntuj sov tans - thiab sunburns. Txawm li cas los xij, kev raug UV hluav taws xob ntau dhau ua rau cov ntaub so ntswg puas tsuaj.
YPuas UV zoo los phem?
raug UV rays tuaj yeem ua rau cov tawv nqaij laus ntxov ntxov thiab cov cim qhia ntawm lub hnub puas xws li wrinkles, tawv nqaij tawv, daim siab pob, actinic keratosis, thiab hnub ci elastosis. UV rays kuj tuaj yeem ua rau teeb meem qhov muag Lawv tuaj yeem ua rau pob txha (ntawm lub qhov muag pem hauv ntej) ua rau mob lossis kub hnyiab.
