紫外線從來都是可免則免,而購買薯仔則是多多益善。679Please respect copyright.PENANAcaeky9uVct
679Please respect copyright.PENANARVX1f285qd
679Please respect copyright.PENANAhGqTHRUY57
在大多數的情況下,陽光是我們接觸紫外線的最主要源頭。679Please respect copyright.PENANAfk8443ZL5Q
679Please respect copyright.PENANArzs7Hu3RJZ
太陽放出的紫外線根據波段可分為兩種,UVA和UVB。679Please respect copyright.PENANALAUTH0AdxC
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。679Please respect copyright.PENANAckJUy1QRA5
679Please respect copyright.PENANAWVhfQTnoeM
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。679Please respect copyright.PENANAeWVbwXqmx1
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。679Please respect copyright.PENANA0nUbbHo4V9
679Please respect copyright.PENANAsYd4zVgvmQ
679Please respect copyright.PENANArBl1QdXwET
679Please respect copyright.PENANAXD0tZpyYNI
(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。679Please respect copyright.PENANAFozrXnkPqA
679Please respect copyright.PENANAOfXINUDfJ0
(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。679Please respect copyright.PENANAEUYS1FAIH6
679Please respect copyright.PENANAxnZzTi26ou
679Please respect copyright.PENANAuKGH7B9yh6
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。679Please respect copyright.PENANAtyv6iwaLFd
679Please respect copyright.PENANAQ9o8coEulb
(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。679Please respect copyright.PENANAoOBukRENdl
679Please respect copyright.PENANAxnPydsMROb
679Please respect copyright.PENANA3grVe7UOup
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。679Please respect copyright.PENANARDxudEKaNP
679Please respect copyright.PENANAGyKfoEBJCj
無疑,一場時裝界的科學大戰號角已徐徐奏起。679Please respect copyright.PENANAm2LGtgxrkJ
679Please respect copyright.PENANAkzaXBRN89o
679Please respect copyright.PENANAbobSkno3o0
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。679Please respect copyright.PENANA6w93HF08Np
679Please respect copyright.PENANAFtDaJhpXpL
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/toc679Please respect copyright.PENANAkySPMIhKgD
679Please respect copyright.PENANARkNoO5z0og
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。679Please respect copyright.PENANApoZquu5dFk
679Please respect copyright.PENANAuLhRYCERqf
Link:679Please respect copyright.PENANA3Z56KMiztB
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio679Please respect copyright.PENANA003zoPMMRl
679Please respect copyright.PENANA9E0mnrU1zu
679Please respect copyright.PENANArAMVGWIuc3
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。679Please respect copyright.PENANADdIfRQxoHq
679Please respect copyright.PENANAi8prwgfne6
Ref1:https://onlinelibrary.wiley.com/doi/full/10.1002/admt.202000564679Please respect copyright.PENANApvsVeQhYW2
679Please respect copyright.PENANASRwmMqj5aW
明日會停一日更,想花時間在講故台寫文。679Please respect copyright.PENANA1B1YfDvphb
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科普專欄–薯不揀單
Author:
薯仔聞茱莉
ISSUE #53
深入淺出–量度紫外線的衣服
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