Sentence examples for different levels of pollution from inspiring English sources
Hierarchical cluster analysis revealed all sites could be grouped into three clusters representing different levels of pollution: relatively less polluted upper catchments sites (US), medium polluted Middle catchments sites (MS), and highly polluted lower catchments sites (LS).
The number 0800 55 66 77, spells out what precautions people should take depending on the different levels of pollution.
Different parts of the world, Mr Brack points out, can tolerate different levels of pollution, depending on climate, the preferences of local people and governments, and existing pollution levels.
The capacity of two toxicity bioassays (fertilization and embryo toxicity tests) to discriminate sediment toxicity using the sea urchin Paracentrotus lividus was tested in five stations with different levels of pollution in the Lagoon of Venice.
In this calculation we also considered all the sampling areas in order to analyze different levels of pollution.
The mortality numbers also depend to some degree on the accuracy of assumptions about how exposure to different levels of pollution affects disease risk.
These discrepancies are probably accounted for by differences between populations studied (including different levels of air pollution) and methods of case ascertainment.
In our model, with the assumption of government financial supervision to reduce environmental pollution, the supplier provides raw materials and sales it to the manufacturer, who produces various products with different levels of environmental pollution and then sales products to the market.
Below, for instance, is a simulation of the same slice of night sky viewed through different levels of light pollution.
Based on data from 183 countries, a research team from the Stockholm Environment Institute at the University of York extrapolated the impact of maternal exposure to different levels of outdoor pollution on preterm birthrates.
Because dehydrogenase activity is sensitive to heavy metal pollution [15, 19], such fluctuations of ADA and PDA in aquatic sediments may suggest that this site was exposed to different levels of anthropic pollution throughout the experimental period.
