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There are differences in strains' abilities to metabolize various carbon and nitrogen compounds.

Usually aromatic nitrogen compounds or amines are used for this purpose.

Activated carbon filters absorb nitrogen compounds and other toxins from the water.

They are one of the more common groups of nitrogen compounds.

Many nitrogen compounds, such as hydrogen cyanide and explosives are also highly dangerous.

She earned this honor for her work with asymmetric nitrogen compounds.

In the presence of sunlight, the nitrogen compounds produce ozone.

They estimated that another 20 percent consisted of organic nitrogen compounds.

The nitrogen compounds involved are reactive, and can be transformed into one another.

For a long time the sources of nitrogen compounds was limited.