This chemical is usually drawn in the resonance structure with the cation on nitrogen.

Other organisms, like animals, depend solely on organic nitrogen from their food.

Isn't there any attack on nitrogen by the radical?

The experimental rig, which worked on compressed nitrogen, was prepared.

It settled on nitrogen, which worked as well, did not deplete ozone and cost $500,000 a year less to buy and to handle.

The hospital's got the body on ice, or more specifically, on liquid nitrogen.

It also feeds on nitrogen, a key component in fertilizer, before the tree can absorb its own source of food.

But the next step requires not just holding the line on nitrogen, but actually reducing the amount of discharge.

So they were short on nitrogen, as Sax had always known.

It is generated in the atmosphere by the action of cosmic rays on nitrogen.