Chemistry
Electron Impact Ionization
100%
Electron Impact
61%
Free Radical
25%
Positive Ion
21%
Dissociative Ionization
21%
Kinetic Energy
19%
Excited State
19%
Hydrogen
14%
Semi-Empirical Method
12%
Electron Scattering
12%
Argon
11%
Electron Impact Excitation
10%
Krypton
9%
Ground State
9%
Fullerene
9%
Carbon Dioxide
8%
Matrix-Assisted Laser Desorption-Ionization
8%
Helium
8%
Quantum Number
8%
Molecular Ion
8%
Ionization
6%
Electron Impact Dissociation
6%
Sulfur Dioxide
6%
Angular Momentum
6%
Deuterium(.)
6%
Hydroxyl Radical
6%
Titanium
6%
Argon Atom
6%
Atomic Number
6%
Fluorine Ion
5%
Energetics
5%
Keyphrases
Electron Impact Ionization
20%
Ionization Cross Section
16%
Microplasma
9%
Electron Impact
6%
Free Radicals
6%
Alkali Atoms
6%
Collision Cross Section
6%
Scattering Angle
6%
Hydroxyl Radical
6%
Fullerene
6%
Multiple Ionization
6%
Environmental Applications
6%
Krypton
6%
Status Report
6%
Partial Cross Section
5%
K-shell Ionization Cross Section
5%
Engineering
Cross Section
19%
Impact Energy
9%
Excited State
7%
Linear Polarization
7%
Emission Cross
6%
Circular Polarization
6%
Impact Ionization
6%
Photoemission
5%
Measured Data
5%
Alignment Angle
5%
Ev Electron
5%
