Engineering & Materials Science
Quantum cascade lasers
100%
Temperature
35%
Lasers
34%
Ignition
32%
Spectroscopy
28%
Communication
28%
Oxidation
26%
Gases
23%
Methane
22%
Plasmas
21%
Air
21%
Hydrogen
20%
Oxygen
20%
Water
19%
Liquids
18%
Code division multiple access
18%
Fluids
17%
Experiments
17%
Infrared radiation
17%
Perovskite
16%
Wireless networks
16%
Beamforming
15%
Faraday effect
15%
Transmitters
15%
Electrons
15%
Wavelength
15%
Carbon
15%
Multiuser detection
14%
Base stations
14%
Detectors
14%
Antennas
14%
Sensors
13%
Electrodes
13%
Spectrometers
12%
MIMO systems
12%
Resource allocation
12%
Catalysts
12%
Costs
12%
Channel state information
12%
Hot Temperature
12%
Molecules
12%
Ions
11%
Turbulence
11%
Outages
11%
Uncertainty
11%
Thin films
11%
Adsorption
11%
Fading channels
11%
Heptane
11%
Membranes
10%
Substrates
10%
Porphyrins
10%
Physical layer
10%
Feedback
10%
Mean square error
10%
Modulation
10%
Throughput
10%
Detonation
10%
Oxides
10%
Polymers
10%
Data storage equipment
10%
Reaction kinetics
10%
Metals
10%
Graphene
9%
Computer hardware
9%
Reynolds number
9%
Decoding
9%
Charge transfer
9%
Ethers
9%
Monitoring
9%
Absorption spectroscopy
9%
Quality of service
9%
Energy efficiency
9%
Computer simulation
9%
Hydrocarbons
9%
Smart power grids
8%
Soot
8%
Chalcogenides
8%
Statistics
8%
Tuning
8%
Cognitive radio
8%
Atoms
8%
Direct numerical simulation
8%
Switches
8%
Channel estimation
8%
Geometry
8%
Network protocols
8%
Decomposition
8%
Ethylene
8%
Dynamic programming
8%
Communication systems
8%
Nitrogen
7%
Reinforcement learning
7%
Energy harvesting
7%
Internet
7%
Signal to noise ratio
7%
Strain rate
7%
Fires
7%
Iron
7%
Routers
7%
Physics & Astronomy
quantum cascade lasers
54%
flames
53%
ignition
24%
air
17%
kinetics
16%
laminar flames
15%
lasers
15%
counterflow
15%
premixed flames
15%
methane
15%
oxidation
15%
chemistry
15%
liquids
15%
water
14%
spectroscopy
14%
solar neutrinos
13%
diffusion flames
13%
oceans
13%
extinction
12%
temperature
11%
hydrogen
11%
gases
11%
neutrinos
11%
fluids
10%
oxygen
10%
cascades
10%
climate
10%
simulation
10%
sensors
10%
flame propagation
10%
reactors
9%
energy
9%
performance
9%
cavities
8%
Faraday effect
8%
detectors
8%
turbulence
8%
carbon
8%
reaction kinetics
8%
interactions
8%
soot
8%
scaling
7%
turbulent flames
7%
wavelengths
7%
heptanes
7%
heat
7%
sensitivity
7%
ethers
6%
detonation
6%
tuning
6%
predictions
6%
ethylene
6%
cells
6%
adsorption
6%
infrared lasers
6%
profiles
6%
propagation
6%
neutral beams
6%
reactivity
6%
ice
6%
scintillation counters
5%
Lewis numbers
5%
bubbles
5%
lithium
5%
soil moisture
5%
ions
5%
absorption spectroscopy
5%
oscillations
5%
physics
5%
heating
5%
configurations
5%
drainage
5%
estimates
5%
direct numerical simulation
5%
hydrocarbons
5%
thin films
5%
fusion
5%
gradients
5%
ozone
5%
spectrometers
5%
polymers
5%
modulation
5%
spontaneous combustion
5%
ignition temperature
5%
products
5%
Earth & Environmental Sciences
ocean
26%
rainfall
20%
climate
17%
soil moisture
15%
tropical cyclone
14%
carbon
14%
nitrogen
14%
modeling
13%
land surface
13%
nitrate
13%
Cretaceous-Paleogene boundary
13%
effect
12%
simulation
12%
rate
11%
oxygen
11%
water
10%
phytoplankton
10%
ecosystem
9%
distribution
9%
climate modeling
9%
experiment
9%
temperature
9%
nutrient
9%
hurricane
8%
isotope
8%
basin
8%
sediment
8%
prediction
8%
bacterium
8%
soil
8%
gene
8%
analysis
8%
climate change
8%
land
8%
transition
7%
timescale
7%
methane
7%
atmosphere
7%
Maastrichtian
7%
forecast
7%
mass extinction
7%
radar
7%
iron
7%
parasite
7%
carbonate
7%
water budget
7%
warming
6%
denitrification
6%
oxidation
6%
diatom
6%
energy
6%
foraminifera
6%
hydrology
6%
cell
6%
loss
6%
parameter
6%
drought
6%
seawater
6%
flooding
6%
savanna
6%
sea surface temperature
6%
chemical
6%
evapotranspiration
5%
air
5%
vegetation
5%
sea
5%
ammonia
5%
method
5%
Cretaceous
5%
Africa
5%
runoff
5%
extinction
5%
general circulation model
5%
isotopic composition
5%
fluid
5%
porous medium
5%
Danian
5%
product
5%
gas
5%
trend
5%
anomaly
5%
productivity
5%
ammonium
5%
evaluation
5%
in situ
5%
comparison
5%
kinetics
5%
mineral
5%
biomass
5%
cooling
5%
watershed
5%