Ultraviolet rays yog lub zog-zog lub teeb yoj nrog lub zog siab, qhov muag liab qab tsis tuaj yeem lees paub. Nws lub wavelength tsawg dua 400nm, uas muaj nyob rau sab nraud ntawm qhov pom spectrum ultraviolet kawg, yog li nws hu ua ultraviolet rays. Los ntawm wavelength ntau muab faib ua UV-A (320nm 400nm), UV-B (275nm 3 2 0 n m), UV-C (2 0 nm 2 7 5 nm), UV-D (100nm 200nm) plaub pawg no, nyob rau hauv A , B, thiab C, peb pawg kuj hu ua kab mob tua kab mob ultraviolet. Peb pawg A, B, thiab C muaj qee yam tshuaj tua kab mob, tshwj xeeb tshaj yog rau cov tshuaj tua kab mob zoo tshaj plaws nrog C band. Lub teeb quantum txoj kev xav ntseeg tias lub teeb yog ib qho tshwj xeeb ntawm cov khoom txav. Txhua wavelength ntawm 253.7nm UV photon muaj 4.9EV zog. Cov tshuaj tua kab mob thiab ua kom tsis muaj menyuam ntawm UV kab rau dej yog qhov siab tshaj plaws nqus wavelength (254nm) ntawm nucleic acid (DNA). DNA tuaj yeem nqus cov hluav taws xob ultraviolet hluav taws xob siab, ua rau alkali-raws li qhov chaw nyob ib sab, thiab tsim pyrimidine dimer; Nucleic acid luam thiab qhia cov protein ua rau apoptosis. Tam sim no, kev tshawb fawb tau txwv rau kev tshawb fawb ntawm cov tsoos ultraviolet-rays, thiab UV-LED raws li hom tshiab ntawm cov txheej txheem tshuaj tua kab mob yuav ntau dua lossis tsawg dua los ntawm cov txheej txheem tshuaj tua kab mob. Yog li ntawd. Yog xav paub ntxiv, txais tos mus rau lub vev xaib official http:///show-23-155.html
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