氮气

The wetting property of PET fiber was ameliorated obviously by the azote plasma treatment.

氮对涤纶进行低温等离子处理,明显地改善了其表面的润湿性能。

Preoxygenation replaces the primarily nitrogenous mixture of ambient air, which constitutes the patient's functional residual capacity, with oxygen.

这样可以取代之前被氮占据的肺泡。

Its dry powder nitron sprying fire systemcarbon dioxide spraying fire system could be used on singelcombinetion.

干粉氮系和二化碳系既可又可单独使，联合使，实战能力很强。

After the precursor's thermal decomposition under the protection of nitrogen,a kind of nonstoichiometric titanium oxide can be prepared.

钛粉和草酸得前驱物,在氮保护下600℃热分解前驱物备了一种非化学计量钛化物。