This ingenious triple threat of an idea could simultaneously reduce carbon emissions, cut electricity costs and reduce light pollution, without sacrificing the safety that streetlights bring.
这简直是一个一举三得的天才创意,既能同时减少碳排放,又能减少电力消耗,还能减少光污染,而不用牺牲路灯带来的安全感。
The molecule contains four carbon atoms arranged in a ring with a triple bond between two of them.
这个分子包含四个呈环状排列的碳原子,每两个碳原子之间形成一个三价键。
And the carbon footprint of the hybrid-driving country dweller with her triple-paned Windows, backyard composter and geothermal heat pump?
而混合碳足迹,她驾驶三窗格的窗口,后院堆肥和地热热泵乡下人?
So let's take the case of acetylene where we have two carbon atoms that are going to be triple bonded to each other, each are bonded to a carbon and then to one hydrogen.
让我们来看一看乙炔的例子,我们有两个碳原子,成三键,每个碳和一个碳一个氢相连。
This is very easy molecule because we know exactly where to put them without even having to think, we only have one option, and we'll make a triple bond between the carbon and the nitrogen.
这个分子非常简单,因为我们知道应该把它们放在哪里,甚至不用去想,我们只有一个选择,我们将在碳与氮之间形成一个三键。
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