avalanche ionization造句

For pulse durations greater than a few tens of fs avalanche ionization plays a role.
These electrons collide with and ionize noble gas atoms inside the bulb surrounding the filament to form a avalanche ionization, the conductivity of the ionized gas rapidly rises, allowing higher currents to flow through the lamp.
In the intermediate region, electrons combine to form negative ions, but typically have insufficient energy to cause avalanche ionization, but remain part of a plasma owing to the different polarities of the species present, and the ability to partake in characteristic plasma reactions.
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