pompe cryostatique à sorption

OBS: --pompe à sorption dans laquelle l'adsorbant (p. ex. zéolit(h)e) est refroidi à basse température.

OBS: in essence, cryosorption merely involves lowering the sieve temperature to the region of 20 degrees K or less. The geometry of experimental and proposed -- (...) is different from the sorption pumping arrangement