Physics & Astronomy
photoabsorption
100%
ice
95%
thresholds
74%
sodium vapor
69%
cross sections
61%
ionization
59%
vacuum
58%
photons
53%
strontium
53%
irradiation
53%
luminaires
51%
synchrotron radiation
43%
Taiwan
40%
ultraviolet emission
38%
pyrimidines
33%
autoionization
33%
Rydberg series
32%
continuums
31%
magnesium
31%
electron transitions
29%
ultraviolet spectra
29%
ovens
29%
energy sources
27%
radiation sources
25%
calcium
24%
uracil
23%
Bouguer law
23%
zinc
21%
emission spectra
21%
astrophysics
21%
hydrogen
20%
thermionic diodes
20%
excitation
20%
configurations
19%
energy
19%
microwaves
18%
fluorescence
18%
carbon
16%
electric fields
14%
temperature distribution
13%
configuration interaction
12%
atoms
12%
temperature profiles
11%
thymine
11%
furnaces
11%
liquid chromatography
11%
meteorites
10%
gas chromatography
10%
fine structure
10%
angular momentum
10%
Earth & Environmental Sciences
ice
82%
irradiation
75%
lamp
50%
photolysis
30%
microwave
28%
energy source
23%
hydrogen
21%
energy
20%
radiation
17%
carbon
13%
RNA
12%
meteorite
12%
liquid chromatography
12%
gas chromatography
11%
relative abundance
11%
spectroscopy
10%
DNA
10%
laboratory
9%
chemical product
7%
photochemistry
7%
detection
7%
mass spectrometry
6%
FTIR spectroscopy
6%
effect
5%
Engineering & Materials Science
Photons
50%
Photolysis
49%
Ice
49%
Sodium
24%
Irradiation
24%
Vapors
21%
Vacuum
21%
Bandwidth
15%
Light sources
13%
Four wave mixing
11%
Furnaces
10%
Photochemical reactions
10%
Molecules
9%
Discharge lamps
9%
Synchrotron radiation
8%
Fourier transform infrared spectroscopy
7%
Hooks
7%
Optical systems
6%
Electric lamps
6%
Temperature
6%
Wavelength
6%
Gases
5%
Microwaves
5%
Mass spectrometry
5%
Raman scattering
5%