According to the criteria on testing aircooling equipments bymeansofair enthalpy difference method, air humidity is often obtained in the way of sampling wet bulb temperature.
在用空气焓差法测量空气冷却设备冷量的标准中，空气湿度常用湿球温度取样的方法测得。
2
Bymeansof natural convection air-cooling burner spray and auxiliary ports installation, the load regulation range of the atmospheric burner with single port is extended.
通过采用空气自然对流冷却喷头、设置辅助火孔的方法，扩大了单火孔大气式燃烧器的负荷调节范围。
3
Triggering and evolution of winter-time natural convection cooling effect in fractured-rock revetment embankments of the Qinghai-Tibet Railway are investigated bymeans of an air-flow function.