Sentence examples for degrees of pollution from inspiring English sources

Spatial distribution showed different degrees of pollution and a consistently rising trend downstream, indicating strong influence of local sources including agricultural and untreated urban industrial wastewater.

It is necessary to carry out well-designed management and control measures on pollution in Taihu Lake water according to different degrees of pollution in different regions.

Whilst geo-accumulation indices indicated that the sediments ranged from unpolluted to moderately polluted Modified degree of pollution and Nemerow pollution index calculations which incorporate multi-element effects, however, indicated no pollution.

Although the upper reaches of the river remain relatively pure, the lower portions of the Vistula, in common with similar stretches of many of the great rivers of the world, exhibit a high degree of pollution.

Presence of MPN coliform indicates that the degree of pollution and sanitary quality of drinking water.

Mostly, elevated degree of pollution by the metals is noted during summer than during winter.

This causes an additional systematic error if the degree of pollution is unknown.

The high value of free CO2 content is an indication of high degree of pollution (Coole 1979).

Furthermore, as FURBOT vehicles are electrically powered, the degree of pollution related to freight distribution is zero.

Studies on the distribution and speciation of heavy metals in sediments can provide information on the degree of pollution as well as the actual environmental impact of the metals based on their bioavailability as well as their origin (Turkey 2007).

The aim of this study is to use WQI not as an absolute measure of degree of pollution or the actual water quality but as a tool for evaluating an approximation or general health of a river.