Physics & Astronomy
nuclei
100%
fusion
88%
energy
63%
Monte Carlo method
59%
collisions
58%
Earth albedo
56%
cross sections
55%
nucleons
54%
interactions
50%
albedo
44%
ionic collisions
43%
Hartree approximation
42%
approximation
41%
ground state
40%
protons
38%
astrophysics
37%
neutrons
37%
fragments
33%
dissipation
30%
estimates
28%
decay
27%
pions
27%
formulations
26%
fission
25%
scattering
24%
wave functions
24%
momentum
22%
fermions
21%
excitation
21%
electron capture
19%
reflectance
19%
screening
18%
solar observatories
18%
simulation
17%
neutrinos
17%
gauge theory
17%
absorption cross sections
17%
electrons
16%
circuit diagrams
16%
bears
16%
rays
16%
deuterons
16%
evaluation
16%
lunar phases
15%
atoms
15%
photons
15%
temperature
14%
operators
14%
matrices
14%
symmetry
14%
Earth & Environmental Sciences
albedo
39%
reflectance
21%
observatory
21%
bear
15%
lunar phase
11%
Moon
11%
energy
11%
climate forcing
7%
urban system
7%
body wave
7%
atmospheric gas
7%
rate
6%
politics
6%
plasma
6%
gamma radiation
6%
electron
5%
cloud cover
5%
greenhouse gas
5%
polarization
5%