Landbrug og biologi
polycyclic aromatic hydrocarbons
84%
sediments
64%
Iran
63%
pollution
24%
rivers
22%
coasts
22%
oils
17%
chemometrics
17%
petrochemicals
16%
sampling
15%
soil sampling
12%
principal component analysis
12%
ions
10%
molecular weight
8%
methodology
3%
Teknik og materialevidenskab
Polycyclic aromatic hydrocarbons
100%
Sediments
86%
Coastal zones
30%
Rivers
27%
Pollution
26%
Oils
18%
Molecular weight
15%
Petrochemicals
14%
Principal component analysis
13%
Ions
12%
Soils
11%
Industry
6%
Geo- og miljøvidenskab
source apportionment
80%
PAH
60%
province
44%
sediment
33%
coast
16%
oil
16%
petrochemical
14%
pollutant source
14%
refinery
14%
river
13%
principal component analysis
11%
pollution
9%
ion
8%
indicator
8%
soil
5%
analysis
3%
method
3%
Kemiske forbindelser
Arene
56%
Pyrogenic
41%
Petrochemical Agent
16%
Perylene
15%
Chemometrics
14%
Indicator
12%
Soil
11%
Mixture
6%
Ion
5%