Sợi tiêu huỷ sinh học cứng như thép làm bằng cellulose từ gỗ
Một nhóm các nhà nghiên cứu làm việc tại viện công nghệ hoàng gia KTH, Stockholm, Thuỵ Điển mới đây đã phát triển một phương pháp khiến các sợi cellulose trở nên cứng như thép...
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