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- 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。
- 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。
- 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
- 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
- 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。
- 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。
- 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。
- Education should not be restricted to any one specific age group. 教育不应限制在任何特定的年龄组上。
- 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。
- He broke away from that lawless group years ago. 他在几年前脱离了那个非法团体。
- The group of barbaric soldiers killed many people. 那群野蛮的士兵杀了很多人。
- It may well be that the train is delayed. 很有可能火车晚点了。
- He is delayed because his taxi has an accident. 由于他的出租车出了故障，他被耽误了。
- The group was made up of doctors. 这个团体是由医生组成的。
- The train was delayed because of ice on the line. 火车因铁轨结冰而误点。
- A group of boys dashed out of the classroom. 一群男孩子从教室里冲出来。
- I come upon a group of children play in the street. 我遇到一群孩子在街上玩耍。
