Earth & Environmental Sciences
recharge
68%
aquifer
56%
substrate
52%
oxic conditions
51%
removal
40%
anoxic conditions
37%
biodegradation
24%
effect
18%
organic carbon
14%
water
11%
redox conditions
11%
soil column
10%
used water
10%
methanol
9%
toluene
9%
dissolved organic carbon
9%
water content
7%
irrigation
7%
drinking water
7%
effluent
6%
food
6%
wastewater
6%
rate
6%
test
3%
Engineering & Materials Science
Aquifers
100%
Substrates
54%
Organic carbon
44%
Biodegradation
40%
Water
26%
Oxidation-Reduction
12%
Potable water
12%
Toluene
11%
Irrigation
11%
Effluents
10%
Water content
10%
Wastewater
10%
Methanol
9%
Soils
7%
Chemical Compounds
Column Like Crystal
46%
Biodegradation
30%
Organic Carbon
21%
N-Nitrosodimethylamine
14%
Irrigation
14%
Redox Condition
13%
Carcinogenic
10%
Drinking Water
9%
Soil
8%
Wastewater
7%
Toluene
7%
Food
6%
Methanol
5%