您要查找的是不是：
- delayed neutron counting 缓发中子计数
- Standard field procedures are employed in taking samples for analysis by delayed neutron determinations. 用于缓发中子测定的分析样品的标准野外制备过程如下。
- The most useful indicator in the system is given by the neutron count of pure water samples for blank measurements. 测量系统最有用的指示是间隔测量纯水样品的中子计数率。
- This paper presents the analysing accuracy of uranium content by delayed neutron method is up to 0.2 ppm and the relative error is less than 15%. 本文介绍了应用缓发中子法测定样品中铀含量的精密度可达0.;2ppm;分析相对误差小于15%25。
- delayed neutron fission product monitor 缓发中子裂变产物监测器
- delayed neutron leached-hull monitor 缓冲中子包壳监测器
- Furthermore, if the total neutron counts outside the container is known, the total mass of plutonium in the sample can be estimated. 最后测量出系统总中子泄漏数，便可求得钚的总质量。
- Utanium analysis by the emission of delayed neutrons, following fission of U235, has been described by Amiel. 阿密尔论述了应用U235裂变后产生的缓发中子流分析铀的方法。
- Uranium analysis by the emission of delayed neutrons, following fission of U235, has been described by Amiel. 阿密尔论述了应用U235裂变后产生的缓发中子流分析铀的方法。
- Keywords ： Reactor;Criticality safety;Neutron count rate; 反应堆;临界安全;中子计数率;
- The technique for detecting the delayed neutrons from neutron-induce fission in depleted uranium system was studied by using an active method. 摘要用有源（主动）的方法研究了贫化铀及其组合系统的中子诱发裂变缓发中子的探测技术。
- Investigation on detection of nuclear warheads by counting delayed neutrons 用缓发中子探测核弹头的技术探索
- That was the only thing they could count on. 那是他们唯一依靠的东西。
- The little boy can count up to a thousand. 这个小男孩能够数到一千。
- The sutdy on technique of measuring fission, delayed neutrons from uranium materials and the method of distinguished nuclear from non nuclear materials with the active method are described. 用主动方法研究了核材料铀的裂变缓发中子测量技术和区分核与非核材料的方法。
- He lost his way, which delayed him considerably. 他迷了路，这使他耽搁了很久。
- Our sailing boat was delayed by contrary winds. 我们的帆船被逆风耽搁了。
- A general neutron breeder formula considering one group delayed neutron 考虑单群缓发中子时中子增殖的统一公式
- It's not humanly possible to count so quickly. 计算得这么快是人力无法做到的。
- It may well be that the train is delayed. 很有可能火车晚点了。
