Ingenjörs- och materialvetenskap
Heat losses
100%
Diesel engines
88%
Gas engines
83%
Engines
81%
Combustion chambers
69%
Ignition systems
66%
Ignition
60%
Natural gas
58%
Electric sparks
54%
Engine cylinders
48%
Sound insulation
48%
Cooling
44%
Biomimetics
40%
Heat transfer
38%
Exhaust gases
36%
Timber
36%
Ammonia
35%
Thyristors
34%
Hot Temperature
34%
Boiling liquids
34%
Chemical activation
30%
Catalysts
28%
Energy balance
25%
Pistons
24%
Geometry
22%
Temperature
21%
Urea
20%
Gases
20%
Air
20%
Acoustic waves
17%
Internal combustion engines
16%
Greenhouse gases
13%
Temperature measurement
13%
Flow of gases
12%
Wooden floors
12%
Turbulence
11%
Methane
10%
Energy dissipation
10%
Surface mount technology
9%
Air pollution
9%
Fog
9%
Nitric oxide
9%
Water content
9%
Conversion efficiency
8%
Health risks
8%
Exhaust gas recirculation
8%
Molecules
8%
Natural resources
7%
Pollution
7%
Flow measurement
7%
Fysik och astronomi
ignition systems
53%
insulation
32%
reactors
25%
ionization
23%
evaluation
21%
acoustics
19%
photons
18%
configurations
18%
sparks
17%
photoelectric effect
15%
electrons
14%
probes
13%
pulses
11%
infrared lasers
11%
floating
9%
internal combustion engines
7%
pulse generators
6%
low frequencies
6%
atoms
5%
travel
5%
ignition
5%
methane
5%
flames
5%
Mark- och miljövetenskap
engine
31%
droplet
30%
catalyst
30%
ammonia
26%
urea
17%
legislation
15%
temperature
12%
mist
10%
emission levels
10%
exhaust gas
9%
gas
8%
atmospheric pollution
6%
water content
6%
saturation
6%
pollution
5%
liquid
5%
nitrogen
5%
