Earth & Environmental Sciences
acid mine drainage
54%
bacterium
15%
biogeochemistry
52%
coal mine
22%
compost
24%
crust
17%
fold
17%
fragipan
38%
iron oxide
23%
lime
21%
loss
12%
mine drainage
62%
oxide
17%
phytoremediation
53%
subsurface flow
26%
surface layer
20%
vegetation
14%
Chemical Compounds
Acid Mine Drainage
71%
Amorphous Material
16%
Biogeochemistry
77%
Coal
22%
Compost
32%
Flow
15%
Iron Oxide
22%
Mine Drainage
82%
Oxide
12%
Surface
7%
Medicine & Life Sciences
Acids
35%
Bacteria
16%
Coal
31%
Composting
38%
Drainage
40%
Environmental Biodegradation
70%
ferric oxide
29%
lime
34%
Oxides
28%
Therapeutics
3%
Engineering & Materials Science
Acids
43%
Bacteria
8%
Biogeochemistry
100%
Coal mines
8%
Drainage
50%
Iron oxides
10%
Lime
8%
Oxides
6%
Precipitates
48%
Reclamation
10%