紫外線從來都是可免則免,而購買薯仔則是多多益善。920Please respect copyright.PENANA8JAFibnx6h920Please respect copyright.PENANAYOXY2e4qGJ
920Please respect copyright.PENANAsg8UKZQV1a
在大多數的情況下,陽光是我們接觸紫外線的最主要源頭。920Please respect copyright.PENANAOovYeCmig3
920Please respect copyright.PENANA6gTRhBt3e1
太陽放出的紫外線根據波段可分為兩種,UVA和UVB。920Please respect copyright.PENANAL6OucpLbX1
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。920Please respect copyright.PENANAQQXhFMvGiX
920Please respect copyright.PENANA8QU7i5HgfC
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。920Please respect copyright.PENANATttzZUKybE
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。920Please respect copyright.PENANASyVm30fBsT
920Please respect copyright.PENANALKjxGmHyiH920Please respect copyright.PENANAMCy9hDxsUa
920Please respect copyright.PENANApczURhmhzx
(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。920Please respect copyright.PENANATAAwnxucpF
920Please respect copyright.PENANA9UtylI6C8J
(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。920Please respect copyright.PENANAWlbqu7KrdC920Please respect copyright.PENANApD4dYlfME7
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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。920Please respect copyright.PENANAluvIjD73Kh
920Please respect copyright.PENANAU39UJnQfAH
(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。920Please respect copyright.PENANAKswGmNuXmx920Please respect copyright.PENANAU9ad5AV5vv
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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。920Please respect copyright.PENANAPpLkrK8YJw
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無疑,一場時裝界的科學大戰號角已徐徐奏起。920Please respect copyright.PENANAsygt4TSeTf
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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。920Please respect copyright.PENANAbkWOym9sAt
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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/toc920Please respect copyright.PENANAmdNY3oXIx3
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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。920Please respect copyright.PENANAb84cPNsFnR
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Link:920Please respect copyright.PENANAPz6CnAZXMw
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio920Please respect copyright.PENANAnQFLi84ZFN
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有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。920Please respect copyright.PENANAsMwABOH78u
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Ref1:https://onlinelibrary.wiley.com/doi/full/10.1002/admt.202000564920Please respect copyright.PENANAyPJQKMPeZ3
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明日會停一日更,想花時間在講故台寫文。920Please respect copyright.PENANAWgBbvtR3W7