斯特拉诺小组首次在光伏组件中植入了两层具有不同电特性的纳米管结构的纤维——这些纤维具有不同的特性和禁带结构。
Strano's team built, for the first time, a fiber made of two layers of nanotubes with different electrical properties — specifically, different bandgaps.
后门带锁吗?这幢房子已经通了电。一切就绪。
有天晚上,那一带忽然停了电,那位女子只好自己点起了蜡烛。
One night, that region electric suddenly stopped, the woman had to own up the candles.
So, when we get really close together, granted, there is a net positive negative charge with a Coulombic force of attraction.
当它们真正离得很近时,假设有一个带正负电的电荷,带有库仑引力。
The molecule is net neutral, but this right end is a little bit more negative and the left end is a little bit more positive.
这分子是电中性的,但右边要带一点负电荷,而左边要带一点正电荷。
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