Earth & Environmental Sciences
nitrifying bacterium
85%
ammonia
52%
oxidation
43%
vermiculite
41%
biofilm
29%
pH-value
29%
effluent
23%
chemostat
22%
acid soil
20%
buffering
17%
ionization
16%
nitrite
15%
nitrification
15%
organism
11%
sand
10%
liquid
10%
effect
3%
Agriculture & Biology
nitrifying bacteria
100%
ammonia
55%
oxidation
48%
vermiculite
15%
biofilm
13%
effluents
12%
Nitrosomonas europaea
10%
buffering capacity
8%
nitrification
7%
ionization
7%
acid soils
7%
nitrites
6%
sand
5%
liquids
4%
organisms
3%
Medicine & Life Sciences
Ammonia
75%
Bacteria
45%
Population
26%
vermiculite
24%
Growth
13%
Biofilms
13%
Nitrosomonas europaea
12%
Nitrification
12%
Batch Cell Culture Techniques
9%
Sand
9%
Nitrites
7%
Soil
7%
Acids
5%