Ukukhiqizwa kwe-nitrogen ye-pressure swing kusebenzisa umoya njengempahla eluhlaza, isisefo se-carbon molecular sieve njenge-adsorbent, kusetshenziswa isimiso sokushwibeka kwengcindezi, ukusetshenziswa kwesisefo se-carbon molecular sieve ukuze ukhethe ngokukhetha umoya-mpilo ne-nitrogen ukuze kuhlukaniswe i-nitrogen nomoya-mpilo, owaziwa ngokuthi i-PSA. ..
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