摘要
简要论述了热循环概念及热循环试验的重要性,结合热循环试验介绍了在检测中应该注意的关键问题及技术难点;并简要介绍了液氮的物理特性及使用中应当注意的问题。
The conception of heat circulation and its importance was discussed. Based on the testing of heat circulation, the key points of difficult technology and physic properties of liquid nitrogen which should be concerned in its application was introduced.
出处
《工程质量》
2008年第9期26-29,共4页
Construction Quality
关键词
热循环
液氨制冷
检测
heat circulation
liquid nitrogen refrigeration
test
