科普專欄–薯不揀單 - 深入淺出–量度紫外線的衣服

紫外線從來都是可免則免，而購買薯仔則是多多益善。946Please respect copyright.ＰＥＮＡＮＡhr2tQQk6EX
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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。946Please respect copyright.ＰＥＮＡＮＡXI4biVVbi0
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太陽放出的紫外線根據波段可分為兩種，UVA和UVB。946Please respect copyright.ＰＥＮＡＮＡ7NQtKwndfB
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。946Please respect copyright.ＰＥＮＡＮＡhwvVNK6jHo
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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。946Please respect copyright.ＰＥＮＡＮＡ1bi0b7TO6T
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。946Please respect copyright.ＰＥＮＡＮＡQhepHiR57K
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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。946Please respect copyright.ＰＥＮＡＮＡlKyNVxWSEx
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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。946Please respect copyright.ＰＥＮＡＮＡOo7xrvz1RA
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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。946Please respect copyright.ＰＥＮＡＮＡ50eoe1DIdd
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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。946Please respect copyright.ＰＥＮＡＮＡd2ZuQ3obJ5
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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。946Please respect copyright.ＰＥＮＡＮＡ0kVquzGFJf
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無疑，一場時裝界的科學大戰號角已徐徐奏起。946Please respect copyright.ＰＥＮＡＮＡ2VYrnQLl9z
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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。946Please respect copyright.ＰＥＮＡＮＡ9vYWLmbHXy
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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/toc946Please respect copyright.ＰＥＮＡＮＡ227NQLDp3R
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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。946Please respect copyright.ＰＥＮＡＮＡTdSILhPKeh
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Link:946Please respect copyright.ＰＥＮＡＮＡjnkh2iJkoo
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio946Please respect copyright.ＰＥＮＡＮＡKISWhHtxxs
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有興趣接收科學資訊的話，歡迎follow IG: potatopigtongue。946Please respect copyright.ＰＥＮＡＮＡLmm3FuMjCy
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Ref1:https://onlinelibrary.wiley.com/doi/full/10.1002/admt.202000564946Please respect copyright.ＰＥＮＡＮＡqJW65x0cLi
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明日會停一日更，想花時間在講故台寫文。 #throw#cat #beg#dog 946Please respect copyright.ＰＥＮＡＮＡ1lZ4xDAd3a