Nitrogen is commercially produced by distillation of liquefied air.
商业上通过液化空气的蒸馏来生产氮气。
Air Products is also the world's leading supplier of liquefied natural gas process technology and equipment.
空气产品公司同时也是一家全球领先的液化天然气工艺技术和设备供应商。
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。
Lung abscesses, if large enough, will contain liquefied necrotic material and purulent exudate that often results in an air-fluid level by chest radiograph in the abscess.
如果肺脓肿足够大，将包含液化坏死物质和脓性渗出物，因此胸片上显示脓肿的气-液平面。
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。
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。
应用推荐