紫外線從來都是可免則免，而購買薯仔則是多多益善。1007Please respect copyright.ＰＥＮＡＮＡhVLGhTG8Fv
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在大多數的情況下，陽光是我們接觸紫外線的最主要源頭。1007Please respect copyright.ＰＥＮＡＮＡumsJxMZ6y1
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太陽放出的紫外線根據波段可分為兩種，UVA和UVB。1007Please respect copyright.ＰＥＮＡＮＡrN3kISrIOU
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。1007Please respect copyright.ＰＥＮＡＮＡ5wwCVip2pe
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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。1007Please respect copyright.ＰＥＮＡＮＡJdyVfPysWC
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。1007Please respect copyright.ＰＥＮＡＮＡrG9KmLH3JH
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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。1007Please respect copyright.ＰＥＮＡＮＡNwHNGv0p9s
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（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。1007Please respect copyright.ＰＥＮＡＮＡpBc14n9zg7
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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。1007Please respect copyright.ＰＥＮＡＮＡfAFzHxb2Pd
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（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。1007Please respect copyright.ＰＥＮＡＮＡfZIja2vIAI
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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。1007Please respect copyright.ＰＥＮＡＮＡwLC8vzexGq
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無疑，一場時裝界的科學大戰號角已徐徐奏起。1007Please respect copyright.ＰＥＮＡＮＡjmxkHbD3My
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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。1007Please respect copyright.ＰＥＮＡＮＡB9e4aY2lPR
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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/toc1007Please respect copyright.ＰＥＮＡＮＡBl9ut1GFa5
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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。1007Please respect copyright.ＰＥＮＡＮＡv8NdSnIJ3e
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https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio1007Please respect copyright.ＰＥＮＡＮＡuLQdtF0Wfm
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有興趣接收科學資訊的話，歡迎follow IG: potatopigtongue。1007Please respect copyright.ＰＥＮＡＮＡ4wIcQxrivJ
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Ref1:https://onlinelibrary.wiley.com/doi/full/10.1002/admt.2020005641007Please respect copyright.ＰＥＮＡＮＡyvBvjCTlxd
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明日會停一日更，想花時間在講故台寫文。
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