Ultraviolet rays tuaj yeem muab faib ua plaub pawg raws li wavelength:
Ntev yoj UVA, nruab nrab yoj UVB, luv yoj UVC, lub tshuab nqus tsev yoj UVD.
Qhov ntev ntawm lub wavelength, lub zog muaj peev xwm nkag mus.
1) Ua ntej peb tham txog UVA
UVA, nrog lub wavelength ntawm 320 thiab 400 nanometers, muaj zog nkag mus rau hauv iav thiab txawm tias 9 feet ntawm dej; Nws tshwm sim txhua xyoo puag ncig, txawm nws yog huab lossis hnub ci, nruab hnub lossis hmo ntuj.
Qib ntawm kev puas tsuaj rau tib neeg lub cev: Ntau tshaj 95% ntawm cov kab hluav taws xob ultraviolet uas cov tawv nqaij tuaj yeem tiv nrog txhua hnub yog UVA, yog li nws yog qhov teeb meem tshaj plaws rau daim tawv nqaij. UVA tuaj yeem nkag mus rau hauv cov epidermis thiab tua cov dermis, ua rau muaj kev puas tsuaj loj rau collagen thiab elastin hauv daim tawv nqaij. Ntxiv mus, dermal hlwb muaj peev xwm tiv thaiv tus kheej tsis zoo, yog li qhov tsawg heev ntawm UVA tuaj yeem ua rau muaj kev puas tsuaj loj. Thaum lub sij hawm, cov teeb meem xws li daim tawv nqaij sagging, wrinkles, thiab tshwm sim ntawm capillaries. Nyob rau tib lub sijhawm, nws tuaj yeem ua rau tyrosinase, ua rau melanin deposition tam sim ntawd thiab tsim melanin tshiab, ua rau daim tawv nqaij tsaus thiab tsis muaj luster.
UVA tuaj yeem ua rau lub sijhawm ntev, muaj kev puas tsuaj thiab kav ntev thiab kev laus ntxov ntawm daim tawv nqaij, yog li nws tseem hu ua aging rays.
Daim ntawv thov teb: UVA ultraviolet rays nrog lub wavelength ntawm 360nm ua raws li phototaxis teb nkhaus ntawm kab thiab tuaj yeem siv los ua cov cuab yeej kab. UVA ultraviolet rays nrog lub wavelength ntawm 300-420nm tuaj yeem dhau los ntawm cov xim iav tshwj xeeb uas txiav tawm tag nrho lub teeb pom kev, thiab tsuas yog radiate ze-ultraviolet lub teeb nruab nrab ntawm 365nm. Nws tuaj yeem siv rau hauv kev txheeb xyuas ore, theem kho kom zoo nkauj, tshuaj xyuas nyiaj txiag thiab lwm qhov chaw.
2) UVB
Nruab nrab yoj UVB, lub wavelength nyob nruab nrab ntawm 275 thiab 320 nanometers. Nruab nrab nkag mus, nws luv luv wavelength yuav absorbed los ntawm pob tshab iav. Feem ntau ntawm cov nruab nrab-yoj ultraviolet lub teeb muaj nyob rau hauv tshav ntuj yog absorbed los ntawm ozone txheej. Tsuas yog tsawg dua 2% tuaj yeem ncav cuag lub ntiaj teb nto. Nws yuav muaj zog tshwj xeeb thaum lub caij ntuj sov thiab yav tav su.
Qib ntawm kev puas tsuaj rau tib neeg lub cev: Nws yuav oxidize tiv thaiv lipid txheej ntawm epidermis thiab qhuav tawm ntawm daim tawv nqaij; Ntxiv mus, nws yuav denature cov nucleic acids thiab proteins nyob rau hauv lub epidermal hlwb, ua rau cov tsos mob xws li mob dermatitis (ie, sunburn), thiab daim tawv nqaij yuav tig liab. , mob. Hauv cov xwm txheej hnyav, xws li raug lub hnub ntev, nws tuaj yeem ua rau mob qog noj ntshav tau yooj yim. Tsis tas li ntawd, kev puas tsuaj mus sij hawm ntev los ntawm UVB tuaj yeem ua rau muaj kev hloov pauv hauv melanocytes, ua rau lub hnub me me uas nyuaj rau tshem tawm.
Daim ntawv thov teb: Ultraviolet kev kho mob teeb thiab cov nroj tsuag kev loj hlob teeb yog ua los ntawm cov pob tshab ntshiab ntshav iav (uas tsis xa lub teeb hauv qab 254nm) thiab phosphors nrog lub ncov tus nqi ze 300nm.
3) UVC
Luv-yoj UVC, nrog lub wavelength ntawm 200 thiab 275 nanometers, tseem hu ua luv-yoj sterilizing ultraviolet lub teeb. Nws muaj peev xwm nkag mus tsis muaj zog tshaj plaws thiab tsis tuaj yeem nkag mus rau feem ntau pob tshab iav thiab yas. Lub luv-yoj ultraviolet rays uas muaj nyob rau hauv tshav ntuj yuav luag tag absorbed los ntawm ozone txheej ua ntej mus txog hauv av.
Qib ntawm kev puas tsuaj rau tib neeg lub cev: UVC nyob rau hauv cov xwm yog absorbed los ntawm ozone txheej ua ntej nws mus txog hauv av, thiab nws cov kev cuam tshuam rau ntawm daim tawv nqaij yuav tsis quav ntsej. Txawm li cas los xij, qhov tseeb, luv luv-yoj ultraviolet rays muaj teeb meem rau tib neeg lub cev thiab tsis tuaj yeem ncaj qha irradiated rau tib neeg lub cev. Yog tias raug pom ncaj qha, qhov raug luv luv tuaj yeem hlawv daim tawv nqaij, thiab qhov ntev ntev los yog siv zog heev tuaj yeem ua rau mob qog noj ntshav.
Daim ntawv thov teb: Ultraviolet germicidal teeb emit UVC luv-yoj ultraviolet rays. Short-wave UV yog dav siv nyob rau hauv tsev kho mob, cua txias tshuab, tshuaj tua kab mob, khoom siv kho mob, dej haus, dej phwj kho nroj tsuag, pas dej ua ke, khoom noj khoom haus thiab dej haus ua thiab ntim khoom, khoom noj khoom haus factories, tshuaj pleev ib ce factories, mis nyuj factories, breweries, dej haus factories, Cov cheeb tsam xws li bakeries thiab chav txias cia.
Yog xav paub ntxiv, thov mus saib: https://www.benweilighting.com/professional-lighting/led-tube-lighting/flicker-free-uv-led-tube-lights.html
