Engineering & Materials Science
Crude oil
100%
Catalysts
73%
Coke
72%
Oils
59%
Application programming interfaces (API)
36%
Viscosity
35%
Hydrogen
34%
Gravitation
33%
Heavy oil production
29%
Transition metals
27%
Cyclohexane
27%
Air
26%
Metals
25%
Iron oxides
24%
Alumina
22%
Sulfur
20%
Zeolites
17%
Nanoparticles
17%
Steam
15%
Iron
15%
Catalyst deactivation
13%
Gases
13%
Metal nanoparticles
12%
Coking
11%
Aluminum oxide
10%
Boiling point
10%
Hot Temperature
10%
Recovery
9%
Refining
9%
Nitrogen
9%
Batch reactors
8%
Temperature
8%
Asphaltenes
7%
Naphthas
7%
Enhanced recovery
7%
Costs
6%
Gasoline
5%
Carbon
5%
Earth & Environmental Sciences
heavy oil
81%
catalyst
47%
bitumen
46%
oil
38%
crude oil
34%
in situ
25%
oil extraction
24%
gravity
23%
viscosity
18%
coke
18%
air
17%
comparative study
16%
hydrogen
14%
methane
14%
boiling point
13%
sulfur
11%
surface area
11%
asphaltene
9%
gas
9%
nitrogen
8%
hydrodesulphurisation
8%
metal
8%
enhanced oil recovery
7%
transport cost
6%
regeneration
6%
environmental footprint
6%
removal
5%
residence time
5%
effect
5%
combustion gas
5%
Chemistry
Bitumen
55%
Catalyst
43%
Gravity
35%
Hydrogen Donor
27%
Pressure
25%
Thermal Cracking
22%
Noble Metal
17%
Petroleum Recovery
17%
Iron Oxide
17%
Hydrogen
17%
Petroleum
17%
Cyclohexane
16%
Hydrogenation
16%
Nitrogen
15%
Metal
14%
Gas
13%
Transition Element
13%
Reaction Yield
11%
Boiling Point
10%
Nanoparticle
10%
Batch Reactor
10%
Desulfurization
9%
Environment
9%
Reduction
8%
Time
8%
Product Distribution
7%
Metal Nanoparticle
7%
Flow
6%
Catalytic Pyrolysis
5%