Lub caij ntuj sov tab tom los, txhais tau tias ntau qhov sov sov thiab hnub ci. Cov me nyuam looj tsom iav yuav pab ua kom taug kev hnub ntshiab dua thiab muaj kev tiv thaiv zoo rau koj tus menyuam lub qhov muag.
Lawv yog qhov tshwj xeeb tshaj yog thaum taug kev luv luv scooter lossis caij tsheb kauj vab, vim tias lawv tuaj yeem tiv thaiv koj lub qhov muag ntawm lub hnub ci ntsa iab, thiab vim li ntawd, nce kev nyab xeeb ntawm koj tus menyuam.
Thaum xaiv cov me nyuam looj tsom iav los ntawm lub hnub, muaj ob peb lub ntsiab lus tseem ceeb los xav.
1. Cov tsom iav yuav tsum tsis txhob cia siab tiv thaiv qhov muag ntawm koj tus menyuam xwb, tab sis kuj npog cov tawv nqaij zoo nyob ib ncig ntawm lub qhov muag.
2. Thov nco ntsoov yog tias cov iav muaj qhov tsis zoo tiv thaiv UV thaiv. Ultraviolet hom A yog qhia los ntawm UVA lub cim, thiab UVB yog qhia los ntawm ultraviolet hom B. Qhov siab tshaj UVB tus nqi ntawm lub tsom iav, ntau dua qhov tiv thaiv kev tiv thaiv.
3. Cov UV ntev ntawm cov xaim hluav taws xob tau ntev txog 290-380 nm. Qhov ntev ntawm 400 nm yog suav tias yog kev nyab xeeb tshaj plaws, yog li iav tsom iav nrog UV-400 inscription pom zoo rau menyuam yaus.
4. Nws paub tias muaj ntau qhov chaw sib txawv muaj ntau theem ntawm kev xav txog lub zog. Yog li, cov tsom iav siab zoo muaj qhov cim tshwj xeeb uas qhia txog qib kev tiv thaiv. Yog li, ua ntej yuav khoom, xav txog qhov twg tus me nyuam yuav siv lawv. Piv txwv, nroog, kis las, hiav txwv, thiab lwm yam.
- "0" - lub teeb kis tau los ntawm 80 txog 100%. Cov no yog cov tsom iav nrog qis tshaj kev tiv thaiv UV kev ntsuas.
- "1", "2" - kis lub teeb, 43-80% thiab 18-43%. Cov iav no nrog qhov kev tiv thaiv UV ib nrab yog tsim nyog rau cov xwm txheej hauv nroog.
- "3" - lub teeb kis 8-18%. Tsom iav nrog lub cim no tau pom zoo rau so ntawm lub puam.
- "4" - lub teeb kis 3–8%. Qib siab tshaj plaws ntawm kev tiv thaiv. Cov iav no tuaj yeem siv rau thaj chaw siab thiab kub.
5. Rau cov menyuam yaus tsom iav, lo ntsiab muag tshwj xeeb yog qhov feem ntau pom zoo. Lawv tsis xa cov teeb pom kev zoo los ntawm cov chaw ci ntsa iab xws li iav, dej saum npoo, tsheb, thiab tsis kis cov duab uas ci ntsa iab. Cov tsom iav nrog cov iav lo ntsiab muag thaiv kom txog li 99% ntawm lub teeb pom kev zoo, thaum tsom iav nrog cov lo ntsiab muag yooj yim tsuas yog tsaus ntuj rau cov kev cuam tshuam.
Thaum xaiv cov tsom iav menyuam yaus, nws yog qhov tseem ceeb kom nco ntsoov tias kev siv duab ci ci yog qhov muaj kev phom sij ntau dua yog tias tus menyuam hnav cov khoom lag luam zoo. Qhov no yog vim qhov tseeb hais tias nyob rau hauv cov xwm txheej qhov twg qhov sib zog ntawm lub hnub ci siab thiab tus menyuam tsis coj tsom iav, nws lub qhov muag ib txwm hnov mob tshav ntuj ntau dhau thiab qhov loj ntawm cov menyuam poob qis. Qhov sib zog ntau dua qhov pom kev, qhov me me ntawm cov tub ntxhais kawm, thiab qhov kev tawm tsam ntawm lub cev txo qis qhov tsis xav txog ntawm ultraviolet hluav taws xob. Nyob rau hauv cov xwm txheej uas qhov siv zas zaws siv, qhov teeb pom kev zoo li tsis qaim dua. Thiaj li ua tiav, cov tub ntxhais kawm ntawv zwm, tso cai ntau lub teeb kom pom lub qhov muag. Thaum lub lens yog qhov tsis zoo, nws yuav tsis muaj peev xwm los muab qhov tsim nyog tiv thaiv los ntawm UV hluav taws xob.
