Engineering & Materials Science
Nitrogen removal
100%
Gravel
75%
Denitrification
73%
Wetlands
57%
Hydraulics
47%
Nitrates
47%
Water
33%
Temperature
24%
Organic carbon
19%
Wastewater treatment
14%
Sulfates
14%
Wastewater
13%
Sodium
12%
Electrons
12%
Operating costs
12%
Sulfur
12%
Pollution
11%
Oxides
10%
Fluxes
10%
Carbon
9%
Gases
7%
Earth & Environmental Sciences
gravel
56%
water temperature
53%
denitrification
44%
filter
42%
hydraulics
41%
constructed wetland
40%
nitrogen
37%
removal
32%
thiosulfate
31%
nitrate
27%
effect
14%
nitrous oxide
12%
wastewater treatment
10%
organic carbon
9%
sulfur
9%
sodium
9%
sulfate
8%
electron
8%
wastewater
8%
pollution
8%
carbon
7%
cost
6%
gas
6%
Medicine & Life Sciences
Denitrification
82%
Nitrogen
61%
Temperature
45%
Water
41%
Nitrates
41%
Waste Water
32%
Carbon
24%
Thiosulfates
19%
sodium thiosulfate
19%
Sulfur
14%
Nitrous Oxide
14%
Sulfates
13%
Gases
10%
Electrons
10%
Costs and Cost Analysis
7%
Chemical Compounds
Denitrification
65%
Retention Time
57%
Nitrogen
37%
Nitrate
28%
Sodium Thiosulfate
16%
Thiosulfate
14%
Organic Carbon
13%
Wastewater Treatment
12%
Electron Donor
11%
Wastewater
9%
Sulfate
9%
Gas
6%
Carbon Atom
5%
Social Sciences
wetland
50%
water
49%
efficiency
26%
time
21%
Wastewater treatment
18%
operating costs
17%
performance
11%