保护介质 meaning in English
envelope
protective medium
protectivemedium
Examples
- The process of ufd establishment is discussed according to the three stages of detonation propagation . the factors that influence the synthetic ufd process are theoretically analysed . a hermetically spheric container , which can bear internal pressure that the detonation of 100 gramme charge , is designed for the experiment
在理论方面针对爆轰合成纳米金刚石机理研究存在的两大异议进行探讨分析，提出了自己的看法；从爆轰传播的三个阶段对ufd的形成过程进行论述；对合成ufd的三个影响因素：爆压、爆温和保护介质作了定性分析。