Abstract: Most vacuum electronic devices (VEDs) have cathode emission operating in a space-charge limited regime, indicating that the self-field of space charges limits the current density that can be ...
1 Department of Rehabilitation, West China Hospital Sichuan University Jintang Hospital, Jintang First People's Hospital, Chengdu, China 2 Jilin Institute of Physical Education, Changchun, China ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results