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why incandescent lamp soak want sufficient inertia gas in the shell?

Hits:  UpdateTime:2015-06-16 17:00:09

Reply: in the bulb sufficient is to in order to cut down tungsten filament evaporation according to purpose of inertia gas. Tungsten encounters the stop of inertia gas among process that evaporate, there is a portion of tungsten particle to turn back to filament. After decrease that evaporate can accordingly boost filament job temperature, thereby boost the bulb shine efficiency.


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