Engineering & Materials Science
Robots
100%
Hydrogen
62%
Microfluidics
61%
Solid oxide fuel cells (SOFC)
59%
Laser excitation
55%
Quasicrystals
53%
Lasers
52%
Mechanical alloying
51%
Gels
43%
Electrodes
42%
Powders
41%
Temperature
41%
Time delay
40%
Hydrides
40%
Laser ablation
40%
Experiments
40%
Fabrication
35%
Actuators
34%
Mobile robots
32%
Friction
30%
Steam reforming
29%
Reforming reactions
27%
Elastomers
27%
Bolts
25%
Plasmas
25%
Liquids
23%
Desorption
23%
Hybrid systems
23%
Air
23%
Microchannels
22%
Hydrogen storage
22%
Controllers
22%
Water
22%
Catalysts
21%
Electrohydrodynamics
21%
Gases
21%
Oxygen
21%
Ablation
20%
Sensors
20%
Plasma shock waves
20%
Aluminum
20%
Aluminum alloys
19%
Hydrogenation
19%
Remote control
19%
Feedback
19%
Metals
18%
Crystals
18%
Polymers
18%
Oxides
18%
Vibration measurement
18%
Computer simulation
18%
Model predictive control
18%
Communication
18%
Bolted joints
18%
Muscle
18%
Optical tomography
18%
Microrobots
17%
Frequency response
17%
Fluids
17%
Acoustic waves
16%
Chemical analysis
16%
Lubricants
16%
Heat transfer
16%
Pulsed lasers
16%
Gas turbines
16%
Hot Temperature
16%
Cell culture
15%
Steam
15%
Glass
15%
Lignite
15%
Damping
15%
Boiling liquids
14%
Membrane structures
14%
Robotics
14%
Pumps
14%
Ultrasonics
14%
Underwater structures
14%
Separators
13%
Shape memory effect
13%
Drying
13%
Machining
13%
Control systems
13%
Plastics
13%
Testing
13%
Carbon
13%
Microplastic
12%
Microorganisms
12%
Electrochemical properties
12%
Trajectories
12%
Numerical analysis
12%
Methane
12%
Grinding wheels
12%
Heat pipes
11%
Network protocols
11%
Surface waves
11%
Crystal structure
11%
Microstructure
11%
Time varying systems
11%
Tissue
11%
Monitoring
11%
Chemical Compounds
Quasicrystallinity
42%
Mechanical Alloying
37%
Flow
32%
Hydrogen
27%
Force
26%
Bubble
20%
Velocity
19%
Pressure
18%
Alloy
18%
Simulation
17%
Heat Transfer
16%
Time
16%
Friction Coefficient
16%
Surface
16%
Heat Pipe
15%
Aluminium Alloy
15%
Hydride
15%
Oxide
14%
Amorphous Material
14%
Plant Growth
13%
Fuel
13%
Dioxygen
12%
Gel
12%
Plate Like Crystal
12%
Fatigue Strength
12%
Heat
12%
Gas
12%
Magnesium Alloy
11%
Energy
11%
Surface Wave
11%
Behavior as Electrode
10%
Dielectric Material
10%
Strength
10%
Hydrogenation
10%
Elastomer
10%
Turbine
10%
Microstructure
9%
Lubrication
9%
Torque
9%
Wave
9%
Displacement
9%
Electrohydrodynamics
9%
Wear
9%
Desorption
9%
Application
8%
Thermal Diffusion Factor
8%
Cylinder
8%
Laser Induced Plasma
8%
Boiling
8%
Amount
8%
Steam Reforming
8%
Fatigue Limit
8%
Volume
8%
Liquid Film
8%
Annealing
8%
Laser Ablation
7%
Shape Memory Alloys
7%
Flame
7%
Magnesium Atom
7%
Environment
7%
Reduction
7%
Shock Wave
7%
Turbulence
7%
Collision
7%
Fiber
7%
Machining
7%
Purity
7%
Powder Metallurgy
7%
Strain
6%
Crack Initiation
6%
Phase Change Material
6%
Length
6%
Liquid
6%
Hot Rolling
6%
Lignite
6%
Foam
6%
Accident
6%
Error
6%
Sintering
6%
Composite Material
6%
Pump
5%
Communication
5%
Ablation
5%
Vickers Hardness
5%
Shear
5%
Alloying
5%
Robotics
5%
Icosahedral Quasicrystal
5%
Porosity
5%
Mixture
5%
Acid Mine Drainage
5%
Grinding Wheel
5%
Safety
5%
Delamination
5%
Ball Mill
5%
Shear Stress
5%
Thermal Desorption Spectroscopy
5%
Centrifugal Force
5%
Shape Memory Effect
5%
Physics & Astronomy
hydrogen
31%
robots
27%
solid oxide fuel cells
26%
steam
25%
lasers
19%
methane
19%
actuators
17%
bolts
16%
elastomers
14%
alloying
14%
gels
14%
vibration
14%
catalysts
13%
lubricants
12%
excitation
12%
fabrication
12%
bolted joints
12%
numerical analysis
12%
performance
12%
oxides
12%
bubbles
11%
friction
11%
evaluation
11%
cells
11%
temperature
11%
laser ablation
10%
desorption
10%
aluminum
10%
separators
10%
kinetics
10%
polyisobutylene
10%
chips
9%
gases
9%
electrodes
9%
impulses
9%
heat transfer
8%
frequency response
8%
heat pipes
8%
air
8%
vibration tests
8%
tomography
8%
screws
8%
flames
8%
hydrides
8%
cycles
8%
oxygen
8%
oils
7%
water
7%
foams
7%
high speed
7%
output
7%
ultrasonics
7%
damage
7%
metal hydrides
7%
electric batteries
7%
crystals
7%
seeds
7%
coefficient of friction
7%
membrane structures
7%
shock waves
7%
heat
7%
boiling
6%
characterization
6%
gas turbines
6%
germination
6%
fluids
6%
phase change materials
6%
acoustics
6%
robotics
6%
perovskites
6%
simulation
6%
reactors
6%
hydrogenation
6%
mixed crystals
6%
recovery
6%
molten carbonate fuel cells
6%
energy
6%
least squares method
6%
wave generation
6%
microelectromechanical systems
6%
reaction kinetics
5%
electrohydrodynamics
5%
riblets
5%
porosity
5%
fruits
5%
steels
5%
microstructure
5%
oxidation
5%
lignite
5%
synthesis
5%
temperature gradients
5%
radiation
5%
aqueous solutions
5%
vortices
5%
extinction
5%
crystal structure
5%
microorganisms
5%
sensors
5%
shear properties
5%
lubrication
5%