liquefied air

基本解释

The method of gas chromatography-electron capture detection(GC-ECD) for the determination of N_2O in air, liquefied air and liquefied oxygen was studied and set up.
建立了吹扫捕集与气相色谱联用技术结合电子捕获检测器分析水体中多种挥发性卤代烃的方法。
In this paper, the process and equipment of liquefied petroleum gas (LPG) mixing with air are described firstly.
论文先对液化石油气（以下简称LPG）混空气装置及生产工艺作一定的描述。
Cool air circulation is formed on the outer surface of the storage tank insulating layer, thereby reducing the evaporation rate of liquefied natural gas.
本发明在储罐保温层的外表面形成冷空气的循环，能够减小液化天然气的蒸发率。
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