Earth & Environmental Sciences
aliphatic hydrocarbon
75%
aromatic hydrocarbon
65%
Paleogene
61%
source rock
57%
Cretaceous
33%
organic matter
30%
basin
30%
evaluation
29%
rock
22%
isoprenoid
19%
dibenzofuran
18%
thermal maturity
18%
fluoranthene
18%
lacustrine environment
18%
land
17%
phenanthrene
16%
paleoenvironment
16%
naphthalene
16%
oxic conditions
16%
pyrene
16%
depositional environment
15%
alkane
15%
plankton
14%
biomarker
14%
total organic carbon
14%
gas chromatography
14%
pyrolysis
13%
PAH
13%
mass spectrometry
12%
alga
12%
geochemistry
12%
combustion
11%
salinity
10%
hydrocarbon
10%
oil
8%
comparison
6%
distribution
5%
water
4%
Physics & Astronomy
aliphatic hydrocarbons
100%
rocks
58%
hydrocarbons
57%
evaluation
38%
anthracene
24%
geochemistry
16%
plankton
16%
fresh water
15%
phenanthrene
14%
pyrenes
13%
biomarkers
13%
salinity
13%
gas chromatography
13%
polycyclic aromatic hydrocarbons
12%
algae
12%
naphthalene
12%
alkanes
11%
pyrolysis
10%
mass spectroscopy
9%
oils
9%
rings
6%
carbon
6%