Agriculture & Biology
ammonia
61%
bacteria
8%
biofilters
100%
biofiltration
22%
carbon
28%
fish
41%
fluid mechanics
13%
fluidized beds
87%
gravel
17%
nitrifying bacteria
22%
nitrites
14%
organic matter
13%
oxidation
10%
ozonation
37%
ozone
76%
surface area
13%
turbidity
15%
water
6%
water reuse
20%
Earth & Environmental Sciences
ammonia
58%
bacterium
11%
biofiltration
23%
carbon
30%
fish
43%
gravel
16%
hydraulics
12%
nitrifying bacterium
23%
nitrite
17%
organic matter
12%
oxidation
11%
oxygenation
20%
ozonation
39%
ozone
56%
particle
9%
rate
23%
removal
38%
sedimentation
13%
substrate
12%
surface area
14%
turbidity
15%
water
5%
water reuse
21%
Medicine & Life Sciences
Ammonia
83%
Bacteria
24%
Carbon
54%
Fishes
67%
Growth
9%
Nitrites
20%
Ozone
91%
Water
24%