紫外線從來都是可免則免,而購買薯仔則是多多益善。670Please respect copyright.PENANAxaoVT1UcOd
670Please respect copyright.PENANA6aBiySHM1w
670Please respect copyright.PENANA7cGLoLpOXk
在大多數的情況下,陽光是我們接觸紫外線的最主要源頭。670Please respect copyright.PENANAPwrT5tPXmB
670Please respect copyright.PENANA4rWC1RcXcO
太陽放出的紫外線根據波段可分為兩種,UVA和UVB。670Please respect copyright.PENANASo8BsZAGvJ
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。670Please respect copyright.PENANAYPPT1vSg6F
670Please respect copyright.PENANAorNSP5cSL7
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。670Please respect copyright.PENANAZ8Ku5JvzLK
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。670Please respect copyright.PENANAZyX5InRMHx
670Please respect copyright.PENANANQbIDf6nxW
670Please respect copyright.PENANA3O6RGmCM7e
670Please respect copyright.PENANAQcKsXDg3u8
(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。670Please respect copyright.PENANAJ8dBHhAORR
670Please respect copyright.PENANAxeiJN6I2er
(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。670Please respect copyright.PENANAaaykMaJ8V6
670Please respect copyright.PENANAaVpd0UnzLt
670Please respect copyright.PENANAvk6domU1Rj
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。670Please respect copyright.PENANA74apCqbfyt
670Please respect copyright.PENANAu4NxnbajX6
(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。670Please respect copyright.PENANAAvrH9EdRWA
670Please respect copyright.PENANAj6jmkTMoI4
670Please respect copyright.PENANAA8iTexZlfL
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。670Please respect copyright.PENANASVDYoZssjP
670Please respect copyright.PENANA6cxzoKcv3r
無疑,一場時裝界的科學大戰號角已徐徐奏起。670Please respect copyright.PENANAZCIwa4Ft6m
670Please respect copyright.PENANAwQA6538jnk
670Please respect copyright.PENANAoyeG3xeopV
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。670Please respect copyright.PENANAr5oUw59RGq
670Please respect copyright.PENANAJzwFvxgaya
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/toc670Please respect copyright.PENANAYe6YhWjmor
670Please respect copyright.PENANAwvcqyZhJOo
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。670Please respect copyright.PENANAe0rMsPQRz5
670Please respect copyright.PENANAuh3gB0Fpi9
Link:670Please respect copyright.PENANAcVvFFQUmCF
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio670Please respect copyright.PENANAamoD0JtK5x
670Please respect copyright.PENANAvNSwx5PIXB
670Please respect copyright.PENANAMSRIyjGI9n
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。670Please respect copyright.PENANAkiK8y9UQtQ
670Please respect copyright.PENANAXDAiB8lsOM
Ref1:https://onlinelibrary.wiley.com/doi/full/10.1002/admt.202000564670Please respect copyright.PENANA3kkTDlK62l
670Please respect copyright.PENANAwthkuAyI2D
明日會停一日更,想花時間在講故台寫文。670Please respect copyright.PENANAznUnfBHM5t
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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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