م مقاله کنفرانسی سال ۱۳۹۶ ۶۵۳ مشاهده Simulation of Bayard Alpert ionization vacuum gauge with COMSOL In this paper, the Bayard Alpert ionization vacuum gauge has been simulated using COMSOL Employing Charg… ionization vacuum gaugevacuum sensorhot cathode ion gauge