... system is combined with mechanical pump and glass level 4 diffusion pump in series to do air exhaust, to meet the ... adsorption pool, using the transmission mode, the sample with a series of process, like calcination, flow redox, exhausting degassing and ... .5 Adsorption Trap, Cooling Chamber, Pipeline, Vacuum Hanging-up, Glass Section, Standard Connector with Electric Control 1 Measurement System 2 ...