The team treated balsa wood in an oxidizing bath that bleaches it of nearly all visibility and then penetrated it with a synthetic polymer called polyvinyl alcohol ( PVA)-creating a product that is virtually transparent.

  • 该团队把木材泡在氧化剂里,褪去几乎所有可见的颜色,然后注入一种名为聚乙烯醇的合成聚合物,开发出几乎完全透明的一种产品。

  • 互联网摘选 2025-01-20 11:51:06

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