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sorption pumping

 
Sci-Tech Dictionary: sorption pumping
(′sörp·shən ′pəmp·iŋ)

(engineering) A technique used to reduce the pressure of gas in an atmosphere; the gas is adsorbed on a granular sorbent material such as a molecular sieve in a metal container; when this sorbent-filled container is immersed in liquid nitrogen, the gas is sorbed.


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