- prepumping
- предварительная накачка
English-Russian big medical dictionary. 2005.
English-Russian big medical dictionary. 2005.
Sorption pump — The sorption pump is a vacuum pump that creates a vacuum by adsorbing molecules on a very porous material like molecular sieve which is cooled by a cryogen, typically liquid nitrogen. The ultimate pressure is about 10 2 mbar. With special… … Wikipedia