Matched context for purify and reduce

The page lists matched contexts for purify and reduce.

Share - purify	Share - reduce	Phrase
18.01%	0.19%	{purify or reduce} gas [perform operation]
4.78%	0.65%	{purify or reduce} nox [perform operation]
5.59%	0.26%	{purify or reduce} co [perform operation]
4.13%	0.24%	{purify or reduce} component [perform operation]
0.52%	2.15%	{purify or reduce} emission [perform operation]
6.47%	0.27%	{purify or reduce} hc [perform operation]
0.91%	1.12%	{purify or reduce} modal can
0.48%	0.14%	{purify or reduce} air [perform operation]
0.46%	0.31%	{purify or reduce} catalyst [perform operation]
0.23%	0.43%	{purify or reduce} efficiency [perform operation]
0.57%	0.31%	{purify or reduce} fuel [perform operation]
0.15%	0.15%	{purify or reduce} means [perform operation]
1.13%	0.48%	{purify or reduce} oxide [perform operation]
2.51%	0.34%	{purify or reduce} in gas
0.10%	0.18%	{purify or reduce} modal may
4.24%	0.13%	catalyst [does] {purify or reduce}
5.29%	0.12%	converter [does] {purify or reduce}
0.65%	0.12%	device [does] {purify or reduce}
0.88%	0.23%	effectively [degree] {purify or reduce}
0.39%	0.12%	engine [does] {purify or reduce}
0.47%	0.31%	means [does] {purify or reduce}
1.64%	0.32%	method [does] {purify or reduce}
0.23%	0.14%	not {purify or reduce}
0.31%	0.49%	possible to {purify or reduce}
0.44%	0.15%	ratio [does] {purify or reduce}
0.74%	0.15%	sufficiently [degree] {purify or reduce}
0.96%	0.31%	system [does] {purify or reduce}
0.12%	0.16%	time [temporal] {purify or reduce}