密封气体[气层],填充气体[气层];
Nitrogen productions via memoranes is growing rapidly for applications requiring inert gas blanketing such the storage and shipment of flammable liquids and fresh fruits and vegetables. Membranes are most efficient when producing nitrogen in the 95~ 99% range. gas system.
膜法分离氮气在易燃物贮存及装运和蔬菜水果保鲜等方面的应用正在迅速增长,膜法在生产95~99%纯度范围内的氮气十分合适,优于其它传统方法。
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