Engineering & Materials Science
NASA
100%
Potable water
75%
Expert systems
75%
Fluid mechanics
73%
Flow measurement
69%
Risk analysis
65%
Impurities
58%
Turbulence
54%
Gravitation
53%
Artificial intelligence
52%
Vortex flow
52%
Data acquisition
51%
Experiments
46%
Orbits
42%
Earth (planet)
40%
Vorticity
39%
Planning
38%
Health risks
31%
Aviation
28%
Space flight
27%
Space stations
26%
Contamination
23%
Robotics
22%
Buoyancy
21%
Polyurethanes
21%
Spacecraft
21%
Fluid dynamics
21%
Engineers
21%
Life support systems (spacecraft)
20%
Air
19%
Water
19%
Foams
19%
Towers
18%
Toxic materials
18%
Health
17%
Flow rate
15%
Water treatment
15%
Physiology
14%
Public health
14%
Toxicity
14%
Costs
13%
Medical problems
13%
Cost effectiveness
12%
Kinetic energy
9%
Set theory
7%
Computer hardware
7%
Wire
6%
Physics & Astronomy
delta wings
92%
space exploration
82%
fluid mechanics
73%
flow measurement
70%
data acquisition
57%
turbulence
45%
vortices
44%
low Earth orbits
42%
vorticity
34%
aeronautics
31%
space flight
22%
fluid dynamics
21%
generators
21%
wings
18%
parity
17%
wakes
16%
cost estimates
14%
project management
13%
costs
13%
cost effectiveness
11%
physiology
11%
International Space Station
10%
Reynolds stress
9%
stations
8%
counting
7%
grids
7%
kinetic energy
6%
wire
6%
conduction
5%
Earth & Environmental Sciences
expert system
80%
artificial intelligence
68%
risk analysis
62%
space technology
46%
drinking water
46%
simulation
39%
pollutant
35%
program
30%
chemical
29%
exposure
27%
modeling
25%
health
24%
spacecraft
22%
health risk
21%
project
19%
air
19%
toxic material
16%
contamination
15%
drinking water treatment
13%
freedom
12%
hardware
11%
technological development
11%
cost
11%
infection
11%
water
11%
public health
10%
station
9%
human health
9%
flight
9%
toxicity
8%
human physiology
8%
safety
8%
development project
8%
authorization
7%
panel data
6%
