HVGD

AcronymDefinition
HVGDHost-Versus-Graft Disease
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References in periodicals archive ?
It is probable that it is preferable to use the HVGD guns as heating sources for implementation of the considered schemes.
At present electron guns on basis of high-voltage glow discharge (HVGD) with cold cathode are used for electron beam melting and welding of thin-wall items on ever growing scale.
In [3] mathematical model of the electron gun automatic current control system on basis of HVGD is presented, in which an electromagnetic leak with a dosing device is used, made in the form of an axially symmetrically located seat with a flat compacting surface and a hole for flow of gas in the center, and a movable stock with a flat end surface on the side of the seat.