紫外線從來都是可免則免,而購買薯仔則是多多益善。788Please respect copyright.PENANA55RRhkrxmf
788Please respect copyright.PENANAGWFjrBtJKv
788Please respect copyright.PENANAoRko4Y1QDL
在大多數的情況下,陽光是我們接觸紫外線的最主要源頭。788Please respect copyright.PENANAWAm7akSyJ6
788Please respect copyright.PENANAlqs9xXqKtE
太陽放出的紫外線根據波段可分為兩種,UVA和UVB。788Please respect copyright.PENANANN78PNWeyS
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。788Please respect copyright.PENANAUaWMPR4o3M
788Please respect copyright.PENANAhKTHGxF7Em
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。788Please respect copyright.PENANAdaYR4ZWIsz
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。788Please respect copyright.PENANA5FQsANTuCl
788Please respect copyright.PENANAOEXq8FqWvY
788Please respect copyright.PENANAuUDb83OKSE
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(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。788Please respect copyright.PENANAbj8M3KGEP6
788Please respect copyright.PENANAFDSsaWWgHI
(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。788Please respect copyright.PENANA06YsPMrXuS
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788Please respect copyright.PENANA20y0CTGACj
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。788Please respect copyright.PENANAP38r6Toh6j
788Please respect copyright.PENANAksHTQsyiFC
(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。788Please respect copyright.PENANAhOZd3vZVNq
788Please respect copyright.PENANAm5RKb3dcM7
788Please respect copyright.PENANAbyechKhotl
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。788Please respect copyright.PENANA00SeXdXkmT
788Please respect copyright.PENANApQlD18Rue4
無疑,一場時裝界的科學大戰號角已徐徐奏起。788Please respect copyright.PENANAa3Cld1tXkY
788Please respect copyright.PENANAjljVENtjX8
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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。788Please respect copyright.PENANA5BS4oHBVjM
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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/toc788Please respect copyright.PENANA6qazbDsXwe
788Please respect copyright.PENANAuSbneZFXWZ
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。788Please respect copyright.PENANA1LOdQruLnq
788Please respect copyright.PENANAyzLubc3zZB
Link:788Please respect copyright.PENANAlLtDg9w9Yw
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio788Please respect copyright.PENANAWO4Y2rpbHU
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有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。788Please respect copyright.PENANAetsY2Voi6m
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Ref1:https://onlinelibrary.wiley.com/doi/full/10.1002/admt.202000564788Please respect copyright.PENANAUUzl09KF9m
788Please respect copyright.PENANAzMiR7l7Nl3
明日會停一日更,想花時間在講故台寫文。788Please respect copyright.PENANAu9qFbOou0V