Nhật tìm ra biện pháp khử phóng xạ bằng lõi ngô
Các nhà khoa học thuộc Trường đại học Iwate của Nhật Bản vừa tìm ra một phương pháp hiệu quả và giá thành rẻ để tẩy các chất phóng xạ và kim loại nặng từ đất bằng cách dùng than hoạt tính làm từ lõi ngô.
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