It is demonstrated that NHR 200 gadolinia fuel rods can successfully fulfill the requirement of design criteria and possess high margin in safety.
分析结果表明，NHR-200含钆可燃毒物棒能很好地满足堆芯设计的要求，并且有较大的安全裕度。
For the secondary and primary neutron source rods, the important internal pressure problem and the safety performance requirements are described respectively.
对于次级和初级中子源棒，分别阐述了重要的内压问题和有关的安全性能要求。
Adding vertical rods to grounding system will decrease the seasonal coefficient and stabilize the safety of grounding system.
采用垂直接地极能减小接地系统的季节系数，起稳定接地系统安全性能的作用。
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