Ko te kāpia UV e mohiotia ana ko te kapia atarangi. He maha nga kāpia UV e marama ana i muri i to pakiki. Heoi, i etahi wa ka kitea he ahua kowhai te kapia UV i muri i te rongoa. Inaianei ko nga tohu e whai ake nei mo te UVLED ki te tātari i te take o te kowhai i muri i te rongoa o te kapia UV. Tuatahi, kare e taurite te roangaru. Mo te nuinga o te kapia UV ko te rama ultraviolet o te roangaru 365nm, mena ko nga roopu 395nm, 385nm, me te 405nm, ka kowhai te kowhai. Tuarua, ko te kaha o te marama, ko te kapia UV he kaha pumau, e kore e kowhai ki roto i tenei awhe hiko, a ka nui rawa te kaha. Tuatoru, he kowhai etahi kapia UV na te mea he roa te waa, he iti te maha o te kapia UV he kowhai. Mena kei te pirangi koe ki te mohio atu mo te kopa UV, tena koa tirohia te paetukutuku mana o Tianhui, waea mai ranei ki ahau hei awhina i a koe ki te whakaoti rapanga.
![[UV Glue Yellow Change] nga take i kowhai ai te kati UV 1]()
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