Earth & Environmental Sciences
water pollutant
79%
cell
75%
pollutant
71%
removal
64%
water
36%
particle
22%
pollutant load
19%
phreatic zone
18%
pollutant removal
17%
toxic metal
17%
control measure
16%
pollutant source
15%
water treatment
13%
denitrification
13%
organic compound
13%
biodegradation
13%
innovation
13%
state of the art
12%
recommendation
11%
phosphorus
10%
surface water
10%
water quality
10%
degradation
9%
nutrient
9%
vegetation
9%
nitrogen
9%
Engineering & Materials Science
Denitrification
22%
Biodegradation
21%
Organic compounds
21%
Surface waters
20%
Nutrients
19%
Water treatment
18%
Water quality
18%
Phosphorus
18%
Impurities
14%
Nitrogen
14%
Degradation
10%
Metals
9%
Chemical Compounds
Environmental Pollutant
100%
Denitrification
17%
Nutrient
14%
Surface Water
14%
Biodegradation
14%
Phosphorus(.)
11%
Toxic
10%
Nitrogen
8%
Volume
7%
Metal
6%