第二次世界大戰後,美國、前蘇聯及其他國家在1951-1963年之間分別在地面上進行數以百計的核試,409Please respect copyright.PENANA0OOsKMiS8o409Please respect copyright.PENANACH0t7K3QGG
409Please respect copyright.PENANA83c9EzMmnq
直至1963年大家互相簽署了停止核試條約,地面引爆核試才得以終止進行;雖然1960-1970年間中國及非洲仍有進行少量微型地面核試。409Please respect copyright.PENANAxmmaud5mAt
409Please respect copyright.PENANATtgzkFdX1l
地面核試,無疑會為大自然界帶來影響。409Please respect copyright.PENANATv2zUoDxbf
其中一隻名為137Cs的幅射性原子,不但能對生物帶來傷害,且具有水溶性特質,其半衰期亦達30.2年之多;409Please respect copyright.PENANASf0G9geyYD
亦即是說渡過30.2年之後,其濃度才會自然地減半。409Please respect copyright.PENANAV3vMo586ZE
409Please respect copyright.PENANAgTwf2b4e22
409Please respect copyright.PENANAgmhkh4SBOU
(圖2)植物普遍需要鉀元素(K)輔助生長,因此天生擁有相應的蛋白質負責吸取泥土的鉀元素。409Please respect copyright.PENANAC9ozdcAAHq409Please respect copyright.PENANAnVfHuokemd
409Please respect copyright.PENANAcsxLnZ0qmp
然而基於137Cs與K的特質非常相似,植物不其然間亦會因而吸取了帶有幅射性的137Cs原子。409Please respect copyright.PENANAMcDxgjHETX
409Please respect copyright.PENANABJyEwIzVJO
如果往植物施上含鉀元素(K)或銨 (NH4)的肥料,均可大幅度減低植物吸取泥土間137Cs的效率。409Please respect copyright.PENANA3Cs24gs50h
409Please respect copyright.PENANANCR1l1TvMb
409Please respect copyright.PENANABk72uDDnrk
(圖3)科學家審視2017-2019年美國各地的蜜糖商品,發現122個樣本中並有68個樣本測量出137Cs的存在。409Please respect copyright.PENANADyO6owN0mL409Please respect copyright.PENANAaF4oJ9sZsH
409Please respect copyright.PENANAiguBHfopmn
不過其含量非常之低,平均僅約0.03Bq 137Cs kg−1,最高濃度的樣本為19Bq 137Cs kg−1,依然遠低於美國FDA制定的1200Bq 137Cs kg−1安全界線。409Please respect copyright.PENANACIuTqWpI6R
409Please respect copyright.PENANAdKRuFNfWFT
研究還發現,當地蜜糖樣本是否含有137Cs原子,與當地泥土的137Cs含量並無任何關連。409Please respect copyright.PENANApGImH5c8MS
409Please respect copyright.PENANA78plVQUdJW
409Please respect copyright.PENANAvSZWYgv3UY
無論如何,核廢理的處理與人類生活健康的議題,均需密切關注,不容忽視。409Please respect copyright.PENANAX2LrE2PvL0
409Please respect copyright.PENANAzkF5v0lJTz
409Please respect copyright.PENANAjev4uWpdIw
409Please respect copyright.PENANA2DRk1SLO0Q
409Please respect copyright.PENANAL76PyNsN0W
409Please respect copyright.PENANAb0Za2VQK6P
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。409Please respect copyright.PENANAWyRflmSmYA
409Please respect copyright.PENANAcvG0zia5Q7
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/toc409Please respect copyright.PENANAfYKo1uwqwR
409Please respect copyright.PENANAjlDLULm7WC
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。409Please respect copyright.PENANAwlPNh5BXQ5
409Please respect copyright.PENANAHTeVRXgI8J
Link:409Please respect copyright.PENANAp7EaMibMVd
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio409Please respect copyright.PENANAwain4KaECd
409Please respect copyright.PENANAlgW9LFVrPF
409Please respect copyright.PENANAehC0MDgzpM
除非Facebook及IG重開侵侵的account,否則我的IG將不會再作更新,只會寄居本土LIHKG及Penana。409Please respect copyright.PENANAoNDUjDdenV
409Please respect copyright.PENANA8lk7zadUTp
Ref1:https://www.nature.com/articles/s41467-021-22081-8#MOESM3409Please respect copyright.PENANAFhnhdEkwRT