Sentence examples similar to pollutants index from inspiring English sources

One day, on the Malaysian island of Penang, the local air-pollutants index reached 371, well into its "hazardous" range.

The average weighted pollutant index was 0.54, indicating good soil environmental quality.

An environmental quality assessment model was developed and integrated in the system by single factor index and weighted pollutant index method.

The indices used by Hong et al. were selected a priori and gave each pollutant included in the air pollutant index equal weight.

Sensitivity testing of the model suggests that due to the co linearity, point estimate of each pollutant index in the multiple air pollutants model generally went down in terms of risk effects and showed no statistical significance and instability.

The PI was determined as follows: {text{PI}} = frac{{C_{i} }}{{S_{i} }}, (1 where ({text{PI }}) is the pollution index of the pollutant i at the mine dump site; (C_{i}) is the measured concentration value of the heavy element i; S i is the concentration value of the respective metal in the uncontaminated virgin forest soil.

The filtration effect of PAP is specified by measuring 16 pollutant indices in influent and effluent samples.

The individual and joint effects of different pollutants are explored, via the use of single pollutant models and multiple pollutant indices.

If multiple air pollutant indexes were directly fitted into the model, co linearity could inevitably confound the model due to the non-independence between different air pollutant indexes, thus leading to the instability of the model.

In order to solve the problem, principal component analysis was adopted to adjust the co linearity of different air pollutant indexes in the multiple air pollutants model.

These pollutant indices also contain H+ in descending mass ratios, and may all be surrogates for H+ as an active agent.