2 , fault diagnosis software which combines wavelet packet and expert system is developed , based on wavelet packet analysis and reverse reasoning of fault diagnosis expert system , it has diagnosis and exploration 开发了小波包与专家系统结合的故障分析软件，利用小波分析方法进行快堆钠泵的状态监测和分析，通过故障诊断专家系统进行反向推理来进一步验证并给出解释。
" we were also able to guide rats in systematically exploring large , collapsed piles of concrete rubble , and to direct them through environments that they would normally avoid , such as brightly lit , open areas , " they say 他们还说： “我们还可以有系统地指导老鼠在倒塌的水泥碎快堆中进行搜索，并且命令它们穿过一般情况下它们回避的地方，例如，光线明亮的空旷的环境。 ”
In chapter one the development of nuclear fuel and the significance of examining nuclear fuel assembly as well as the development of a measuring system for fast neutron reactors and fuel pins and the significance of controlling a measuring system by computer is recommended 第一章介绍了核燃料发展现状和对核燃料器件进行检测的意义，以及快堆组件套管及燃料棒测量系统的发展现状和采用计算机控制测量系统的意义。
But to burn ma in fast reactor concern of many issues in which the first one influencing ma burning is reprocessing ( particularly ma partitioning ) . the second is its conditioning and fuel fabrication of ma . the third is the influence to fast reactor core performance by the ma added 但在快堆中消耗ma涉及到乏燃料后处理( ma的分离) 、含ma燃料的制造、 ma对堆芯性能的影响、 ma需在快堆中多次循环等方面的问题。
The analysis report of sodium fire accident in cefr was completed in the project including theoretic analysis of concerned sodium fire accidents with spool and sspray codes , establishment of accident analysis system , determination of accident process , and so on 应用spool程序和sspray程序对有关钠火事故进行理论计算分析，建立事故分析体系，明确事故进程，最终完成中国实验快堆钠火事故分析报告，是本课题的重要内容。
Many constrains and limits are considered when designing the modular fast reactor core . the ma transmutation rate and burning rate of the modular fast reactor are realizable . basing this transmutation capability the reduction tendency of the amounts of ma accumulated in china is predicted 论文通过充分调研，考虑了各种因素和限制条件，给出了模块快堆可能达到的ma嬗变率和焚毁率，在此基础上假想了我国ma的消耗趋势。
The wavelet packet analysis applied in fault diagnosis system is studied in this thesis . using simulation fault data , uncalm and time difference vibration signal of sodium pump are decomposed on different levels and frequencies . to picked - up the eigenvectors reflecting different fault of sodium pump with availability , simulation results have shown its satisfaction in the identification 对小波包分析应用于故障诊断进行了研究，利用仿真出来的故障数据，将快堆钠泵非平稳时变振动信号分解到不同层次和不同频带上，有效地提取出反映钠泵不同故障(状态)的特征向量，在识别中得到了满意的结果。
A numerical model has been established which is suitable to cefr steady state and transient simulation . in these cases , a lot of calculation data have been accumulated during the analysis , including pro - process macro file named grid . mac , process control macro file named cal _ control . mac , and post - process fortran file named posdat . f . these data and files are very useful to thermal - hydraulical analysis of cefr and prototype pool - type lmfbr thermal design in the future 建立了一套适合快堆稳态和瞬态模拟的数值模型，积累了大量的计算数据，对整个计算过程作了整理，编制了前处理宏文件grid . mac ，过程数据控制文件cal _ contral . mac和后处理文件posdat . f ，对目前快堆堆内过程的热工水力分析和今后原型快堆的热工设计都有非常重要的意义和借鉴价值。
The ratio of ma added to the mox fuel is studied . the neutronics characteristics of ma transmutation , and the transmutation and burning efficiency of the modular fast reactor are calculated . the role of the modular fast reactor to buffer the growing of ma in china and the reduction of radiotoxicity of nuclear waster via multiple recycling of ma in the modular fast reactor are calculated 主要论述随着我国压水堆核电站装机容量和运行堆年的增加，乏燃料中ma总量增长趋势；模块快堆的堆芯概念设计方案；在不改变模块快堆堆芯设计的前提下， mox燃料中添加ma和稀土核素对堆芯中子学性能的影响以及模块快堆的嬗变效率；模块快堆对减少我国ma总量的作用；模块快堆产生的最终核废物的长期放射性毒性随时间的变化等。
A measuring system for fast neutron reactors sleeves and fuel pins is designed to regularly examine the main core fuel assembly sleeves and fuel pins in the reactors of a nuclear power station . it is aimed at the evaluation of the reactors performance of fuel pins and assembly and the provision of valuable information concerning the fuel integrity 快堆组件套管及燃料棒测量系统是针对核电站的反应堆中主要燃料部件组件套管和燃料棒的定期检验而设计的，其目的是评价燃料棒和组件套管的堆内性能，提供关于燃料完整性的有价值的信息。
