Comments on Technology in Fire and Air Purification inside the Lime Kiln at Qinghai Alkali Enterprises Co., Ltd.
青海碱业石灰窑煅烧及窑气净化技术。

Air France recently followed the British Airways lead in Europe by increasing its fuel surcharge on passenger fares.
在欧洲的做法, 提高了向乘客收取的燃油附加费。

Along the front, the warmer and lighter air will then ride on top of cooler air, resulting in rain and thunderstorms.
较轻得暖湿空气会沿锋面上升，造成雷雨。

The agency has also worked with the US Special Operations Command on equipment for missions such as combat air control.
该局还与美国特种作战司令部合作研制用于诸如空中作战指挥一类任务的装备。

Experimental Research on Gas Chromatographic Determination for Butyl Ether Collected by Activated Charcoal in the Workplace Air.
炭管采集气相色谱法测定空气中丁醚的实验研究

Study on Orientation Model of Radar Station of Ground to Air Missile in Motional Campaign by Measuring the Distance of Aground Mark
机动作战地空导弹载波相位差分定位模型研究

On the Guiding Principle of Winning the Superior Force With the Inferior one in Air Battles During the War to Resist US Aggression and Aid Korea
论志愿军空军以劣胜优的战略指导

The effect of the specific surface area and pore radius distribution of inorganic materials on the capacity of absorbing and desorbing moisture in the air
多孔结构无机材料比表面积和孔径分布对调湿性的影响