Keyphrases
Microwave Drilling
100%
Cyclotron Resonance Maser
98%
Free Electron Laser
92%
Focused Microwave
62%
Electron Beam
59%
Wiggler
43%
Free Electron Maser
34%
Localized Microwave Heating
34%
Cyclotron Maser
34%
Waveguide
32%
Electron Gun
32%
Free Electron Laser Oscillator
31%
Fireball
28%
Periodic Waveguides
27%
Basalt
27%
Axial Magnetic Field
26%
Microwave Energy
24%
Plasmoid
24%
Thermal Runaway
23%
Metal Powder
22%
Traveling Wave
21%
Cyclotron
18%
Thermite
18%
Ferroelectric Cathode
18%
Dusty Plasma
18%
Cyclotron Resonance
17%
Low-energy Electrons
17%
Tandem Accelerator
17%
Non-dispersive
17%
Energy Spread
16%
Tabletop
16%
Ball Lightning
16%
Air Atmosphere
15%
Ejection
15%
Microwave Applicator
15%
Electrostatic Accelerator
14%
High Gain
14%
Dispersion Equation
14%
Axial Velocity
14%
Low Energy
14%
Long Wavelength
13%
Microwave Regime
13%
Transistor
13%
Low Current
12%
Periodic Intensity
12%
Spectral Measurement
12%
Electromagnetic Waves
12%
TEM Mode
12%
Additive Manufacturing
12%
Dielectric-filled
12%
Physics
Free Electron Lasers
96%
Cyclotron Resonance
92%
Electron Beam
81%
Waveguide
74%
Magnetic Field
44%
Free Electron
37%
Planetary Atmosphere
23%
Traveling Wave
21%
Harmonics
21%
Theoretical Model
17%
Ferroelectricity
17%
Electrostatics
15%
Plasma Physics
15%
Ball Lightning
15%
Melting Point
15%
Dielectrics
14%
Dusty Plasmas
14%
Electron Energy
13%
Resonator
12%
Space Charge
12%
Magnetron
12%
Undulator
12%
Nanoparticle
11%
Doppler Effect
9%
Electric Fields
9%
Small-Angle X-Ray Scattering
8%
Electromagnetic Wave
8%
Electromagnetic Radiation
8%
Energetics
8%
X-Ray Free Electron Laser
8%
X Ray Scattering
8%
Emittance
8%
Electron
7%
Transmission Line
7%
Beams (Radiation)
6%
Electromagnetic
6%
Permittivity
6%
Cyclotron Frequency
5%
Integrated Optics
5%
Far Field
5%
Radio Wave
5%
X Ray Spectroscopy
5%
Engineering
Free Electron
75%
Microwave Heating
41%
Cyclotron Resonance
40%
Energy Engineering
37%
Ignition
32%
Experimental Result
30%
Magnetic Field
24%
Waveguide
21%
Hot Spot
19%
Amplifier
18%
Mm Diameter
15%
Potential Application
15%
Dispersion Equation
14%
Axial Velocity
14%
Additive Manufacturing
13%
Harmonics
13%
Hydrophobic
12%
Diameter Hole
12%
Applicability
12%
Open End
12%
Heating Effect
11%
Electrostatics
11%
3D Printing
11%
Experimental Observation
10%
Resonator
10%
Space Charge
10%
Signal Gain
9%
Heating Process
9%
Drilling Speed
8%
Penetration Depth
8%
Gain Matrix
8%
Direct Current
8%
Development Project
8%
Microelectromechanical System
8%
Deep Hole
8%
Simulation Code
8%
Theoretical Study
7%
Rod
7%
Electron Energy
7%
Output Power
7%
Ring Cavity
6%
Slippage
6%
Conductive Material
6%
Beam Radiation
6%
Microwave
6%
Analytical Model
6%
Nonmetallic Material
6%
Indentation
6%
Drillability
6%
Experimental Measurement
6%