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pollution degree
The total pollution degree of Cu is slightly over zero.
      
The total pollution degree of Zn is less than zero.
      
Analysis of species and horizontal density distribution of protozoan in sediment in 28 sampling points reflected the pollution degree of water quality at every site.
      
Pollution degree decreases by the law of Y=1.08?exp(33.533/X), where Y is the distance from the garbage dump field and X is the overall pollution index.
      
Using relative background values, this study assesses soil pollution degree in the seven dumping sites.
      
A number of soil samples from south-east Italy were analyzed for As, Bi, Cd, Cu, Hg, Li, Mn, Ni, Pb, Se, Sn, and Zn contents with the aim of estimating pollution degree in cultivated lands of region.
      
To use the inverter under the conditions of pollution degree 3, install it in the enclosure of IP54 or higher.
      
The levels of phages are related to the pollution degree.
      
 

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