1.Whether the adhesively bonded joints keep good vacuumtightness after experiencing repeatedly cooling and heating is an important factor that determines the durability of non-magnetic Dewar.
4.This paper describes the leak checking measures and the leak treating methods to improve the vacuum system tightness in Czech 110MW steam turbine set as well as the comprehensive management ways for the vacuum system.
7.Analyses the source of non-condensable gas and its bad impact on Lithium Bromide absorption chillers. Presents the management methods of air tightness and vacuum degree.
