计算结果表明，中子活化在线分析系统的最优化慢化材料为聚乙烯。
The results lay the foundation for the study of on-line neutron activation analysis system.
由于经济上的原因，大多数高温气冷堆(HTR)系统都是慢化不充分的。
Most High Temperature Gas-Cooled Reactor (HTR) systems are significantly under - moderated for economic reasons, so that accidental water or steam ingress.
应用推荐