Engineering & Materials Science
Lubricating greases
89%
Effluents
82%
Crude oil
63%
Nuclear magnetic resonance
52%
Chemical analysis
47%
Oils
47%
Economics
46%
Wastewater
31%
Acids
26%
Effluent treatment
21%
Mass spectrometry
18%
Gas chromatography
18%
Fourier transform infrared spectroscopy
18%
Water quality
17%
Kerosene
17%
Molecular weight
16%
Impurities
14%
Costs
11%
Medicine & Life Sciences
Petroleum
100%
Caustics
97%
Oils
73%
Economics
57%
Waste Water
38%
naphthenic acid
30%
Kerosene
22%
Water Quality
21%
phenolic acid
20%
Technology
19%
Gas Chromatography-Mass Spectrometry
17%
Proton Magnetic Resonance Spectroscopy
17%
Fourier Transform Infrared Spectroscopy
16%
Protons
15%
Health Care Costs
13%
Magnetic Resonance Spectroscopy
12%
Molecular Weight
12%
Acids
11%
Costs and Cost Analysis
9%
Earth & Environmental Sciences
economic impact
77%
crude oil
67%
effluent
51%
refinery
48%
oil
35%
nuclear magnetic resonance
22%
wastewater
16%
acid
15%
environmental constraint
15%
kerosine
14%
cost
12%
FTIR spectroscopy
12%
gas chromatography
11%
mass spectrometry
10%
water quality
8%
pollutant
7%
Chemistry
Petroleum
66%
Wastewater
38%
Kerosene
28%
Gas Chromatography Mass Spectrometry (GCMS)
18%
Acid
16%
Fourier Transform Infrared Spectroscopy
13%
Weight
13%
Time
8%