Earth & Environmental Sciences
refrigerator
100%
energy efficiency
74%
wind farm
28%
compressor
28%
geothermal energy
28%
electricity generation
27%
analysis
25%
index
24%
software
23%
energy source
23%
airflow
22%
simulation
20%
consumption
20%
refrigerant
18%
methodology
17%
operating data
17%
project
17%
power generation
16%
computational fluid dynamics
12%
energy
11%
kinetic energy
11%
boundary layer
9%
topography
8%
feasibility study
8%
household
6%
production system
6%
energy production
6%
electricity
5%
energy saving
5%
Engineering & Materials Science
Dairy products
42%
Hydroelectric power plants
34%
Bicycles
28%
Industry
21%
Welds
19%
Aluminum
18%
Health
17%
International trade
17%
Fisheries
16%
Friction
16%
Industrial radiography
15%
Particle size
15%
Testing
12%
Electromechanical devices
11%
Hydroelectric power
11%
Compliance
10%
Rivers
8%
Raw materials
7%
Sand
7%
Power generation
6%
Welding
6%
Turbines
6%
Inspection
6%
Pipe
6%
Electricity
5%
Energy utilization
5%
Liquids
5%
Physics & Astronomy
compressors
41%
refrigerating
38%
refrigerants
33%
refrigerators
28%
hydrocarbons
22%
proportion
11%
temperature
10%
capacitors
10%
thermodynamics
10%
engineering
8%
computer programs
8%
cooling
8%
heat
8%
outlets
6%
coefficients
6%
performance
5%
