Engineering & Materials Science
Hydrogen
100%
Reforming reactions
90%
Catalysts
87%
Biodiesel
85%
Oxidation
82%
Engines
75%
Exhaust gases
57%
Bioethanol
55%
Selective catalytic reduction
53%
Catalyst activity
50%
Hydrocarbons
49%
Nitrogen oxides
48%
Biogas
46%
Silver
43%
Alumina
39%
Ignition
36%
Diesel engines
32%
Diesel fuels
30%
Exhaust systems (engine)
29%
Heating
28%
Gases
26%
Temperature
26%
Carbon monoxide
25%
Hot Temperature
21%
Fueling
20%
Engine cylinders
18%
Water gas shift
18%
Soot
17%
Thyristors
16%
Aluminum oxide
15%
Exhaust manifolds
11%
Synthetic fuels
11%
Steam
11%
Internal combustion engines
11%
Methanation
9%
Exothermic reactions
9%
Chemical analysis
8%
Particulate emissions
8%
Precious metals
8%
Low temperature production
8%
Gas emissions
8%
Waste heat
7%
Pressure drop
7%
Fuel economy
7%
Waste heat utilization
7%
Gasoline
6%
Air
6%
Combustion chambers
5%
Hydrogen production
5%
Physics & Astronomy
fluid filters
67%
nitrogen oxides
56%
engines
55%
hydrogen
43%
ignition
38%
exhaust gases
36%
performance
35%
oxidation
33%
catalysts
29%
particulates
27%
gases
23%
soot
19%
fuel-air ratio
18%
internal combustion engines
18%
carbon monoxide
18%
diesel engines
18%
regeneration
18%
hydrogen production
17%
gas streams
17%
fuel cells
15%
temperature
13%
filters
11%
reactors
10%
gas composition
9%
pressure drop
8%
heat
8%
combustion efficiency
8%
diesel fuels
8%
upstream
7%
hydrocarbons
7%
supplements
6%
combustion chambers
6%
costs
6%
Chemistry
Calorific Value
42%
Biodiesel
42%
Fuel
38%
Heat
29%
Water Gas Shift Reaction
23%
Catalyst
22%
Hydrogen
20%
Oxidation Reaction
18%
Waste Heat
15%
Gas
14%
Diesel Fuel
11%
Gasoline
10%
Carbon Monoxide
5%
Filtration
5%