目的:研制一种模拟西北气候特点的复合低压舱.方法:采用设置不同海拔高度、温度、紫外线照射强度以及空气相对湿度的动力系统,通过自动和手动控制,在实验舱内模拟各种自然环境.结果:低压舱内模拟的海拔高度为600～10000m,温度-500～+500℃、紫外线照射强度4～70 W/m2、空气相对湿度10％～自由状态.通过测试,各项指标性能稳定,环境模拟真实准确.结论:该舱操作方便、精度高、可靠性强,为部队平战条件下卫勤保障研究提供了一个新的实验平台.%Objective To develop a complex chamber with the climate in northwest china simulated. Metbods The natural environments, with different attitudes, temperature, ultraviolet radiation intensity, and relative humidity, were generated in the chamber. Results The ranges of the altitude , temperature, ultraviolet and relative humidity were from 600 m to 10 000 m, -500℃ to +500 ℃, 40 W/m2 to 100 W/m2 and 10% to normal respectively. Conclusion The chamber, being easy to operate, high -precision and reliahle, provides a experimental platform for medical service at peacetime and wartime.
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