Earth & Environmental Sciences
petroleum hydrocarbon
89%
soil column
89%
laboratory
43%
petroleum
37%
gas
33%
hydrocarbon
22%
soil
20%
liquid
19%
pollutant
19%
oxic conditions
17%
chemical
16%
anoxic conditions
16%
volatile organic compound
14%
chemical property
14%
biodegradation
14%
lithology
13%
soil moisture
13%
replacement
13%
granite
12%
carbon dioxide
12%
experiment
12%
physical property
12%
effluent
11%
oxygen
10%
decision
10%
sand
9%
nitrogen
9%
air
8%
Engineering & Materials Science
Vapors
72%
Hydrocarbons
72%
Crude oil
70%
Soils
63%
Hazardous materials spills
22%
Gases
20%
Impurities
17%
Lithology
12%
Biodegradation
12%
Soil moisture
12%
Liquids
12%
Granite
11%
Volatile organic compounds
10%
Effluents
10%
Chemical properties
10%
Gasoline
8%
Carbon dioxide
8%
Nitrogen
8%
Physical properties
8%
Sand
8%
Fluxes
7%
Oxygen
7%
Experiments
6%
Air
4%
Chemical Compounds
Petroleum Derivative
100%
Soil
68%
Column Like Crystal
48%
Petroleum
37%
Gas
28%
Diffusion Coefficient
23%
Hydrocarbon
19%
Liquid
14%
Gasoline
14%
Biodegradation
14%
Volatile Organic Compound
14%
Mixture
11%
Carbon Dioxide
10%
Time
9%
Nitrogen
8%
Dioxygen
6%
Surface
4%