Hasken ultraviolet shine igiyar haske mai ƙarfi mai ƙarfi tare da ƙarfi mai ƙarfi, ba a iya gane ido tsirara. Tsawon tsayinsa bai wuce 400nm ba, wanda ke waje da gefen waje na bakan ultraviolet mai gani, don haka ana kiran shi ultraviolet haskoki. Ta hanyar zangon tsayin daka zuwa 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) hudu Wannan rukunin, a cikin A. , B, da C, nau'i uku kuma ana kiran su da hasken ultraviolet da ba su da lafiya. Ƙungiyoyin uku na A, B, da C suna da wani tasirin lalata, musamman don mafi kyawun sakamako na lalata tare da band C. Ka'idar kididdigar haske ta yi imanin cewa haske wani nau'i ne na musamman na motsi na abu. Kowane tsayin tsayin 253.7nm UV photon yana da ƙarfin 4.9EV. Disinfection da haifuwa na layin UV zuwa ruwa shine mafi girman matsakaicin tsayin daka (254nm) na nucleic acid (DNA). DNA na iya ɗaukar hasken ultraviolet mai ƙarfi mai ƙarfi, ya haifar da rarrabuwar tushen tushen alkali, kuma ya samar da dimer pyrimidine; Kwafin acid nucleic da furcin furotin yana haifar da apoptosis. A halin yanzu, bincike yana iyakance ga binciken al'adun ultraviolet na al'ada, kuma UV-LED a matsayin sabon nau'in tsari na lalata na iya zama daban ko žasa da na'urar rigakafin gargajiya. Saboda haka. Don ƙarin bayani, maraba zuwa gidan yanar gizon hukuma http://show-23-155.html
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