Matched context for nitrogen and ppm

The page lists matched contexts for nitrogen and ppm.

Share - nitrogen	Share - ppm	Phrase
29.61%	2.18%	{nitrogen or ppm} oxide
2.02%	3.25%	{nitrogen or ppm} monoxide
2.46%	2.20%	{nitrogen or ppm} content
0.91%	6.18%	ppm {nitrogen or ppm}
1.22%	1.02%	contain {nitrogen or ppm} [perform operation]
0.22%	0.47%	{nitrogen or ppm} air
0.59%	0.69%	{nitrogen or ppm} concentration
0.14%	2.05%	{nitrogen or ppm} contain
0.40%	1.75%	{nitrogen or ppm} hydrocarbon
0.29%	0.59%	{nitrogen or ppm} level
0.40%	1.54%	{nitrogen or ppm} nox
0.05%	0.46%	amount {nitrogen or ppm}
0.16%	1.89%	less [degree] {nitrogen or ppm}