Sentence examples for pollutant during from inspiring English sources

In recent years, ozone (O3) is often the major pollutant during summertime in China.

Overall, Cd emerge as the major pollutant during both seasons; Pb poses severe to extremely severe enrichment during summer and minor to very severe enrichment during winter.

Moreover the efficiency and stability of the MS catalyst were established since this material showed an activity for a pollutant during five consecutive tests.

We computed for each pollutant during 24 h average and specifically for O3 during 8 h daytime periods.

aLag01: Average of levels of air pollutant during concurrent day (lag 0) and previous day (lag 1).

Correlations between observations from all pairs of monitors measuring the same pollutant during 1999-2004 were calculated on a log concentration basis.

Being purely electric, they emit zero tailpipe pollutants during their trips.

The president promised a nationwide rule on the four pollutants during last year's campaign, then backed away from that pledge after taking office.

The removal of persistent pollutants during wastewater remediation remains a challenge for the future.

The water quality is well below any guideline values with regard to inorganic pollutants during dry season.

In addition to converting the by-products into usable commodities, the system emits no pollutants during operation.