Dab tsi yog qhov wavelength ntawm violet lub teeb ntawm yoov tshaj cum tua teeb?
Zheng Yiping, tus kws tshaj lij yoov tshaj cum los ntawm Nanjing Center for Disease Control and Prevention, tau ua cov kev tshawb fawb cuam tshuam. Nws hais tias: "Lub teeb ultraviolet muaj cov nyhuv sterilization ntawm kev tsim cov ozone thiab inactivating saum npoo ntawm cov khoom nyob rau hauv lub sij hawm luv luv, tab sis cov nyhuv sterilization ntawm lub teeb ultraviolet no zoo ib yam li kev tua. yoov tshaj cum tuag tsis muaj teeb meem."
Lub teeb ultraviolet teeb rau yoov tshaj cum, thiab thaum yoov tshaj cum kov cov hluav taws xob hluav taws xob sab nraud, lawv raug hluav taws xob tam sim thiab tua. Thaum tib neeg siv UV yoov tshaj cum tua teeb, feem ntau lawv tuaj yeem hnov lub suab nrov nrov, uas yog lub suab tua yoov tshaj cum vim lub siab ceev ceev. "
Ultraviolet teeb tseem muaj qee yam kev pheej hmoo rau kev noj qab haus huv, vim tib neeg lub cev tsis tuaj yeem tau txais cov hluav taws xob ntau ntawm ultraviolet.
Tam sim no, lub wavelength ntawm lub dav dav ultraviolet yoov tshaj cum tua teeb yog 365nm, uas belongs rau ntev wavelength UVA band. Cov kab hluav taws xob ultraviolet nyob rau hauv cov kab no muaj lub peev xwm nkag tau zoo thiab tuaj yeem nkag mus rau feem ntau pob tshab iav thiab yas. UVA tseem tuaj yeem ncav cuag dermis txheej ntawm daim tawv nqaij, rhuav tshem cov elastic fibers thiab collagen fibers, thiab tan rau ntawm daim tawv nqaij. Txawm li cas los xij, cov kws tshaj lij hais tias ntev npaum li nws tsis raug rau lub sijhawm ntev, tsis tas yuav txhawj xeeb.
