Earth & Environmental Sciences
adsorption
7%
ammonium
9%
assimilation
19%
biochemical oxygen demand
11%
cell
33%
constructed wetland
70%
denitrification
9%
distribution system
12%
effluent
7%
macrophyte
11%
nitrification
10%
nitrogen
6%
nitrogen load
27%
phosphate
8%
removal
11%
sand
20%
substrate
7%
subsurface flow
72%
vegetation
6%
wetland
50%
Medicine & Life Sciences
Adsorption
10%
Ammonium Compounds
11%
Congresses
65%
Denitrification
15%
Nitrification
17%
Nitrogen
27%
Oxygen
6%
Phosphates
8%
Sand
38%
Typhaceae
35%
Wetlands
93%
Engineering & Materials Science
Adsorption
9%
Biochemical oxygen demand
14%
Denitrification
13%
Effluents
10%
Nitrification
15%
Nitrogen
25%
Phosphates
10%
Sand
24%
Substrates
6%
Wetlands
100%
Chemical Compounds
Adsorption
8%
Ammonium
12%
Application
5%
Biochemical Oxygen Demand
22%
Flow
42%
Nitrogen
29%
Phosphate
10%
Surface
5%