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China Economic Net
22 小时
China issues reports on 2024 research fronts
The two reports, jointly issued by the Institutes of Science and Development, the National Science Library, both under the Chinese Academy of Sciences, and Clarivate, seek to understand global ...
科普中国 on MSN
18 小时
细菌也能产“丝”?关键是用处还不少
提起自然中的“丝”,我们很容易想起蚕丝、藕丝、蜘蛛丝,它们与我们生活联系紧密。比如蚕丝,数千年前就开始利用它制作服饰;藕丝不仅存在于美味可口的食物藕内,而且在荷梗、莲蓬中也都有;蜘蛛丝则多隐藏在房前屋后小树林中,时时刻刻准备糊我们一脸。 除了这些由动物或植物产生的丝之外,其实那些微小到我们肉眼看不见的细菌也能产“丝”——细菌纤维素。 什么是细菌纤维素?
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