紫外線從來都是可免則免,而購買薯仔則是多多益善。982Please respect copyright.PENANABvypPouFla982Please respect copyright.PENANABqzlBN3yQt
982Please respect copyright.PENANAyIDLLJRy1O
在大多數的情況下,陽光是我們接觸紫外線的最主要源頭。982Please respect copyright.PENANAxbk7D9mABj
982Please respect copyright.PENANAYSJFAd32Ms
太陽放出的紫外線根據波段可分為兩種,UVA和UVB。982Please respect copyright.PENANA44k5axu4kn
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。982Please respect copyright.PENANALx3Jdgm5il
982Please respect copyright.PENANAbFg3bwIGCJ
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。982Please respect copyright.PENANAlMFDVjlKm8
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。982Please respect copyright.PENANAh1NGj2tuUW
982Please respect copyright.PENANAOIDFme1WYP982Please respect copyright.PENANAT4gbXMeGgm
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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。982Please respect copyright.PENANAuGq6rH7tWn
982Please respect copyright.PENANAQrMgNL8QlV
(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。982Please respect copyright.PENANAix0xLfAa1i982Please respect copyright.PENANAXueKK6N2ng
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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。982Please respect copyright.PENANAzH9VwigmGt
982Please respect copyright.PENANANUDYA5NN5J
(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。982Please respect copyright.PENANA30J6oyOfaD982Please respect copyright.PENANA3x4ZHYbPQS
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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。982Please respect copyright.PENANArHAYurvmm2
982Please respect copyright.PENANAdTLUC14F5x
無疑,一場時裝界的科學大戰號角已徐徐奏起。982Please respect copyright.PENANAKQMnFlOZmf
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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。982Please respect copyright.PENANAV6cb87P3n6
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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/toc982Please respect copyright.PENANAAzh0t76ibw
982Please respect copyright.PENANAVJ5vlkW2J3
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。982Please respect copyright.PENANAYAGb0IuABp
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Link:982Please respect copyright.PENANAGzW3Fj0kV0
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio982Please respect copyright.PENANAfRCJvDfS8c
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有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。982Please respect copyright.PENANAxvMpcdi6ns
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Ref1:https://onlinelibrary.wiley.com/doi/full/10.1002/admt.202000564982Please respect copyright.PENANAHwXrRkEVFf
982Please respect copyright.PENANAfg4UYd8xKt
明日會停一日更,想花時間在講故台寫文。982Please respect copyright.PENANAsWu4Aahv9r