低气压试验

HLT/V220型高低温低气压试验箱制冷系统设计及性能研究

The Refrigeration System Design and Performance Study of the HLT / V220 High-Low Temperature and Low Pressure Test Chamber

液氮制冷低气压试验箱的仿真设计

Simulation of Low Pressure Chamber Cooled by Liquid Nitrogen

GB/T4857.13-1992包装运输包装件低气压试验方法

Packaging Transport packages Low air pressure test method

压裂泵阀箱可靠性计算液氮制冷低气压试验箱的仿真设计

Reliability design of the fracturing pump valve chamber . Simulation of Low Pressure Chamber Cooled by Liquid Nitrogen

并且给出了移相全桥ZVS-PWM功率转换电路的关键元件的设计方法。最后，本文还对该电源在低温低气压环境试验的所出现问题给出解决方法。

And it has given the design method of the essential part in the phase shifting full bridge ZVS-PWM power conversion electric circuit . Finally , this article also has the problem to this power supply in the low temperature and low atmospheric pressure environmental testing to give the solution .

最后，本文还对该电源在低温低气压环境试验的所出现问题给出解决方法。

Finally , this article also has the problem to this power supply in the low temperature and low atmospheric pressure environmental testing to give the solution .

在内燃机风扇离合器高海拔（低气压）模拟试验台上，研究了不同海拔高度（0km～5km）下硅油风扇离合器的分离、结合特性，以及对发动机性能的影响。

The separating and combining characteristics of silicon-oil fan clutch and its influence on engine performances were investigated in an engine testing bench where the altitude was simulated from 0 km to ( 5 km ) .

在内燃机高海拔（低气压）模拟试验台上，对不同模拟海拔高度下的涡轮增压柴油机性能进行了试验研究。

The performance of turbocharged diesel engines at different high altitudes was studied on the engine test bed for simulating high altitude ( low air pressure ) .