七乐彩走势图

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导电混凝土

【摘要】:
在寒冷的冬天里,扫雪除冰是一件非常累人的事。而一种添加了特殊混合物的混凝土能够通过电力来融化道路上的冰雪,完全不需要使用任何的化学品。据了解,这项技术将很快被应用飞机场上。  这种导电混凝土是由来自内布拉斯加林肯大学的研究人员开发出来的。它的大部分跟普通的混凝土并没有什么不同,但是有20%的成分由钢屑和炭粒组成,使得这种混凝土拥有足够的导电性,在融化冰雪的同时确保触摸的安全性。    土木工程师C

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七乐彩走势图   YUCITONGSHI,Chris TuanBIAOSHI:“WOJIAHOUYUANYOUYIKUAIYOUDAODIANHUNNINGTUDAZAODEPINGTAI,WONENGGOUZAINEILIDUIYIXIELILUNZHISHIJINXINGSHIJIANYANZHENG。”