Physics
Gases
100%
Detection
71%
Engine
70%
Spectroscopy
51%
Modulation
50%
Temperature
48%
Water Vapor
46%
Tomography
43%
Performance
43%
Carbon Dioxide
41%
Flames
39%
Utilization
39%
Laser Spectroscopy
36%
Oxide
36%
Solid State
35%
Fuel Cell
35%
Photoacoustic Spectroscopy
33%
Plum
33%
Trace Gas
31%
Methane
30%
Independent Variables
29%
Environment
28%
Laser
27%
Semiconductor Laser
24%
Combustion
22%
Amplifier
21%
Calibration
19%
Acoustics
19%
Amplitude Modulation
18%
Microphone
17%
Continuous Radiation
17%
Region
15%
Process Control
15%
Ratios
15%
Data Acquisition
14%
Output
13%
Gaseous State
12%
Optical Measurement
12%
Harmonics
12%
High Temperature
12%
Pressure
12%
Absorption Spectroscopy
10%
near Infrared
10%
Gas Temperature
10%
Fiber Laser
10%
Lineshape
9%
Turbine
9%
Variations
9%
Spectra
9%
Quantum Cascade Lasers
9%
Engineering
Measurement
70%
Chemical Specie
29%
Aero-Engines
29%
Combustion
20%
Wavelength
19%
Exhaust Systems (Engine)
18%
Applications
16%
Water
15%
Recovery
15%
Solid Oxide Fuel Cell
15%
Amplitude Modulation
15%
Aeroengine
12%
Reliability Availability and Maintainability (Reliability Engineering)
12%
Gas Composition
12%
Elevated Pressure
12%
Development
12%
Locks (Fasteners)
11%
Performance
11%
Research
11%
Gas Chromatography
11%
Amplifier
10%
Calibration
10%
Gas Specie
10%
Environment
10%
Flame
9%
Harmonics
9%
Fibre Laser
8%
Modulation Technique
8%
Engines
8%
3D Printing
8%
Quantification
7%
Gas Turbine Engine
7%
Excitation Source
7%
Atmospheric Aerosols
7%
Modulation Index
7%
Air Cleaners
6%
Intake Temperature
6%
Field Programmable Gate Arrays
6%
Data Acquisition System
6%
Channel Count
6%
Laminar Flame
6%
Sensing System
6%
Experimental Investigation
6%
Larger Bore
6%
Ring Cavity
6%
Repetition Rate
6%
Gas Temperature
6%
Thulium
6%
Doped Fiber Amplifier
6%
Elevated Temperature
6%
Chemistry
Gas
84%
Wavelength
39%
Methane
38%
Concentration
37%
Laser Spectroscopy
26%
Engine
21%
Sensor
21%
Photoacoustic Spectroscopy
16%
Chemical Specie
15%
Reaction Temperature
14%
Water Vapor
13%
Time
13%
Lineshape
12%
Cavity Ring-Down Spectroscopy
12%
Multiple Isomorphous Replacement
12%
Spectroscopy
12%
Application
12%
Flame
11%
Pressure
11%
Carbon Dioxide
10%
Wave
9%
Carbon Dioxide
9%
Spectroscopy Technique
9%
Environment
8%
Decomposition
8%
Mid-IR Spectroscopy
7%
Acetylene
7%
Process Control
6%
Phase Composition
6%
Laminar Flame
6%
Jet
6%
Solid Oxide Fuel Cells
6%
Noise
5%