Sentence examples for pollutants decrease from inspiring English sources

19 It has been demonstrated that the concentrations of traffic-related air pollutants decrease exponentially from major roadways and approach background concentrations within about 150 m.

As dispersion models indicate that levels of pollutants decrease exponentially to reach a plateau at distances longer than 150 m of a main road [ 19], circular buffer-zones of 50, 100 and 150 m radius were considered.

But, by 8%% composite removal of these pollutants decreases, i.e., depicts the reduced pollutant removal capacity of 8%% composite.

The change in the macroinvertebrate community downstream the WWTP indicates that toxicity by pollutants decreased by more than one order of magnitude during ozonation.

However, the study primarily aims to understand how the production of pollutants decreases due to the changeover rather than accurately calculate the total production of NO x in the area under investigation.

In other words the change in SPEAR in the macroinvertebrate community downstream the WWTP indicates that toxicity by pollutants decreased by more than one order of magnitude during ozonation.

As the concentration of pollutants decreases in an aquaculture system, the removal rate per unit surface area in a biofilter decreases, hence being able to obtain very high surface areas per unit cost becomes critical.

The levels of both pollutants decreased over time.

The risk from both pollutants decreased 2% in multi compared with single pollutant models.

In Beijing, Shanghai, and Tianjin, the annual mean concentrations of all three pollutants decreased from 2003 to 2012.

The mean predicted levels of the two pollutants decreased over the follow-up period, although there was little change in the overall spread of the distributions.