H. ARAKIDA @h_arakida
Nihon Univ. | Physics/Astronomy | Mathematics | Weak eyesight/ASD/ADHD | Metalhead \m/ | Tweets/RTs are my own, and not the official opinion of my affiliation.
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ヨウ素129の基準値越えは、フィルター交換の頻度が原因なのか
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