Physics & Astronomy
electron beams
80%
minerals
39%
microwaves
33%
gold
29%
electrodynamics
28%
deposits
27%
generators
27%
microwave oscillators
26%
electrons
25%
traveling wave tubes
24%
space charge
24%
Russian Federation
23%
output
21%
pyrites
19%
Kazakhstan
19%
low voltage
18%
harmonics
18%
rock intrusions
17%
cathodes
15%
oscillators
15%
quartz
14%
microwave amplifiers
13%
broadband
12%
sulfides
12%
electronics
12%
permutations
11%
rectangular waveguides
11%
turbulence
10%
current density
10%
ridges
10%
frequency ranges
9%
deceleration
8%
oscillations
8%
harmonic generations
8%
inhomogeneity
8%
electromagnetic radiation
7%
polysulfides
7%
intrusion
7%
crystal structure
7%
amplifiers
6%
entropy
6%
photonics
6%
nonuniform magnetic fields
6%
modulation
6%
accumulators
6%
syenite
6%
collisions
6%
microwave spectra
6%
magnetic fields
5%
grids
5%
Earth & Environmental Sciences
gold
100%
ore
86%
mineralization
48%
sulfide
34%
rock
24%
quartz
22%
pyrite
21%
magmatism
20%
weathering
19%
crust
17%
dike
15%
mineral
15%
ore-forming fluid
14%
granodiorite
14%
petrochemistry
13%
fluid
12%
sulfur
12%
province
12%
antimony
11%
diorite
11%
remobilization
11%
porphyry
10%
regolith
10%
cobalt
9%
fluid inclusion
9%
silver
9%
adakite
9%
arsenopyrite
9%
isotopic composition
9%
ore mineral
9%
terrane
8%
accretion
8%
ore deposit
8%
lamprophyre
8%
collision
8%
sulfur isotope
7%
chalcopyrite
7%
igneous rock
7%
mantle source
6%
isotope
6%
rare earth element
6%
tectonics
6%
pluton
6%
strontium isotope
5%
geochemistry
5%
mineralogy
5%
Jurassic
5%
magma chamber
5%
scorodite
5%
Engineering & Materials Science
Electron beams
48%
Electrons
45%
Gold deposits
37%
Electrodynamics
37%
Ores
32%
Photonic crystals
29%
Microwaves
29%
Microwave devices
27%
Rectangular waveguides
24%
Rocks
24%
Petroleum chemistry
16%
Electronic equipment
16%
Sulfides
15%
Harmonic generation
14%
Microwave amplifiers
14%
Radiation
13%
Quartz
12%
Power spectrum
10%
Amplification
9%
Chemical analysis
9%
Rare earth elements
8%
Electric potential
8%
Turbulence
8%
Isotopes
8%
Sulfur
8%
Gold
7%
Numerical models
7%
Ore deposits
7%
Free electron lasers
7%
Slow wave structures
7%
Fabrication
7%
Experiments
6%
Fluids
6%
Oxygen
6%
Vortex flow
6%
Metals
6%