Chí-gōa-sòaⁿ
Guā-māu
![](https://upload.wikimedia.org/wikipedia/commons/thumb/f/fd/DNA_UV_mutation.svg/350px-DNA_UV_mutation.svg.png)
Chí-goā-soàⁿ (ultraviolet) tiāⁿ kán-chheng UV, sī 1 chióng tiān-chû-pho, i ê pho-tn̂g pí khoàⁿ-ū-kng khah té , pí X siā-soàⁿ khah tn̂g , iok-liōng 1 nm kaù 380 nm. Chí-goā-soàⁿ ham X siā-soàⁿ ē-tàng chō-chiâⁿ êng-kng ê haū-kó. Chí-goā-soàⁿ ē-tàng sat-khún, m̄-koh mā ē siong-hāi phoê-hu ham ba̍k-chiu.
![]() | Pún bûn-chiuⁿ sī chi̍t phiⁿ phí-á-kiáⁿ. Lí thang tàu khok-chhiong lâi pang-chō͘ Wikipedia. |