Video: Puas yog UV hluav taws xob hla iav tinted?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Ntshiab thiab tsis pom qhov sab qhov rais tsuas tuaj yeem thaiv 37% UVA hluav taws xob , uas tsis ua rau lub hnub raug mob hnyav tab sis tuaj yeem ua rau muaj kev phom sij thaum raug rau hauv qhov ntev mus. Qhov piv txwv zoo tshaj plaws rau txhim kho qhov rai xim yog thaum koj thov tshuaj pleev thaiv hnub ntawm koj daim tawv nqaij. Nws pib glasstint tsis nqus los yog refrac lub UV hluav taws xob.
Ib yam li ib tus yuav nug, puas tinted windows thaiv UV rays?
Nws Pib Qhov Rai Tint Ntxiv Kev Tiv Thaiv Los Ntawm UV hluav taws xob Ntau hom tsheb qhov rai xim lim lub thaiv UV rays , thaiv ntau npaum li 99 feem pua nyob ntawm cov khoom, yog li koj tuaj yeem txaus siab rau koj lub tsheb yam tsis muaj kev txhawj xeeb UV hluav taws xob nphav.
Kuj Paub, koj puas tuaj yeem raug tshav ntuj los ntawm cov iav tinted? Tsis yog, koj ua tau 'tsis tau tshav ntuj yog tias koj lub qhov rais tau dov tawm thaum koj tsav tsheb iav thaiv cov ultraviolet rays uas ua rau tshav ntuj . Lub hauv paus yog qhov no: Qhov tseem ceeb, ultraviolet (UV) rays tuaj nyob rau hauv ob hom: UVA thiab UVB. UVB is ib uas ua rau tshav ntuj (xav "B" rau "kub").
Ib yam li ntawd, nws tau nug, puas yog UV hluav taws xob hla iav?
Kev muaj tiag: Iav lim tawm ib hom nkaus xwb hluav taws xob - UVB duab tshav . Mas UVA duab tshav , uas nkag mus tob dua, ua tau tseem tau dhau . Tias yog vim li cas coob tus neeg laus muaj quav ntau dua ntawm lawv sab laug dua li lawv sab xis- nws yog los ntawm UV raug rau sab ntawd dhau lub tsheb qhov rais thaum tsav tsheb.
Cov xim twg thaiv UV ntau tshaj?
Tsaus lossis ci xim , suav nrog liab, dub thiab xiav xiav, nqus ntau dua UV rays tshaj qhov sib zog xim zoo li dawb thiab pastels. Piv txwv li, ib lub tsho dawb paj rwb T-shirt txhua hnub muaj UPF tsuas yog li 5. Raws li txoj cai ntawm tus ntiv tes xoo, ntau dua khaus qhov hue, tiv thaiv zoo dua cov khaub ncaws yuav muab.
Pom zoo:
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