Portuguese translation: selagem de nitrogénio (/pulmão de nitrogénio)
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03:03 Jul 31, 2007
English to Portuguese translations [PRO] Tech/Engineering - Chemistry; Chem Sci/Eng
English term or phrase:nitrogen seal
"Materials having a specific surface area are dipped into 300 ml of a degassed oil at 80oC for 96 hours under nitrogen seal"