紫外線從來都是可免則免,而購買薯仔則是多多益善。702Please respect copyright.PENANARZNtak1Xdl
702Please respect copyright.PENANA0EoXYj93op
702Please respect copyright.PENANAoNhnM6uU1b
在大多數的情況下,陽光是我們接觸紫外線的最主要源頭。702Please respect copyright.PENANAIRTedFRRmY
702Please respect copyright.PENANAWC1zvbIxvp
太陽放出的紫外線根據波段可分為兩種,UVA和UVB。702Please respect copyright.PENANAU2gpgPsLXE
概要來說,UVA(320–400nm)會曬黑皮膚及引起皺紋,而UVB(280–320 nm)則會曬傷及曬紅皮膚。702Please respect copyright.PENANAkVXnnTChU9
702Please respect copyright.PENANAEu10Ew0Z4X
根據世衛所訂下的方式,UV指數的計法是將總紫外線的能量除以25。702Please respect copyright.PENANAeE02yLp0QE
指數高於6表示有高度曬傷風險,而高於11更會對人體構成危險。702Please respect copyright.PENANA63sF5VYqlx
702Please respect copyright.PENANARhNS4QYUZJ
702Please respect copyright.PENANACAArsJTp27
702Please respect copyright.PENANAPJyApe4iRm
(圖2)現今智能手錶、智能眼鏡等設備已逐漸普遍,有不少更設有光觸媒二氧化鈦(TiO2)等物料可以將紫外光量化成電流,然後再根據的電流強弱判斷出紫外線指數。702Please respect copyright.PENANAXhhxUReAik
702Please respect copyright.PENANAf5yAgvuvTW
(圖3)近日,有科學家研發出隨著紫外光強弱而變色的麻料(Ref1),基於毛線表面凹凸不平,因而增加紫外光在裡頭多重折射的機會,變相使在感測方面比普遍的平面光觸媒更為靈敏。702Please respect copyright.PENANA0vuCUAZ2eB
702Please respect copyright.PENANAuROaLxOArr
702Please respect copyright.PENANAed1n7sUH1L
他們在文中展示出,改變原材料的做法,可達至不同效果,例如WIFI圖案展示出紫外線的強弱。702Please respect copyright.PENANAYbnLqJXu7a
702Please respect copyright.PENANAGpieEUkgsH
(圖4)他們更成功製作出隨紫外光強弱而變色的麻繩,據稱布料彈性十足穿著上非常舒適,而且製作方法可套用在任何製衣物料上。702Please respect copyright.PENANAe1Y9QmeeMr
702Please respect copyright.PENANAyzHfJpkVIQ
702Please respect copyright.PENANAe11jnVGBjj
在文中,他們發揮了自己的小宇宙,縫出提子圖案,提子葉加上孔雀石綠感測pH,而提子則由紫外光織成麻繩用作感測UV之用。702Please respect copyright.PENANAyAkm3JKZsL
702Please respect copyright.PENANAw1qXJLpA0A
無疑,一場時裝界的科學大戰號角已徐徐奏起。702Please respect copyright.PENANApoo9pTRYdV
702Please respect copyright.PENANATOBbsYMjRA
702Please respect copyright.PENANAo6J4bKXPt2
如果想我快啲出文的話,請入去Penana網站科普專欄–薯不揀單俾一個like以及Bookmark,這對我非常之重要。702Please respect copyright.PENANAhqKbnl2BDm
702Please respect copyright.PENANAGo6NUytMVP
Link: https://www.penana.com/story/66244/%E7%A7%91%E6%99%AE%E5%B0%88%E6%AC%84-%E8%96%AF%E4%B8%8D%E6%8F%80%E5%96%AE/toc702Please respect copyright.PENANA9Kht8xXr0I
702Please respect copyright.PENANAJwgHBsfAXo
同時亦可以在Penana網站裡按「買一嚿/半嚿薯仔」,以課金的方式推動我繼續搜羅資料寫文,多謝。702Please respect copyright.PENANAgy2PpwlRaL
702Please respect copyright.PENANAQGIaujcEXG
Link:702Please respect copyright.PENANA35SqBL0mD1
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio702Please respect copyright.PENANAvunJETMBMG
702Please respect copyright.PENANAuNMJWSmbYP
702Please respect copyright.PENANAzUSJCr6G5D
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。702Please respect copyright.PENANAT9RZ6cLi5E
702Please respect copyright.PENANAVHPhoOwykp
Ref1:https://onlinelibrary.wiley.com/doi/full/10.1002/admt.202000564702Please respect copyright.PENANA0pYKJzgDil
702Please respect copyright.PENANAI7XC5Lw0OU
明日會停一日更,想花時間在講故台寫文。702Please respect copyright.PENANADSsJfMgL3t
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科普專欄–薯不揀單
Author:
薯仔聞茱莉
ISSUE #53
深入淺出–量度紫外線的衣服
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