| 1. | Neutron flux distributions in the reactor core are measured
测量了反应堆堆芯里的中子通量分布。 |
| 2. | Measurement of neutron flux in cfbr - reactor
堆中子注量测量 |
| 3. | Logarithmic power measuring assembly based on the neutron flux density
根据中子通量密度的对数功率测量装置 |
| 4. | The method is used to measure the neutron flux distribution in the reactor core
这种方法被用来测量反应堆堆芯的中子通量分布。 |
| 5. | Project on neutron flux density data acquisition system with multiple space - time channels based on a microcomputer
多时空通道中子注量率密度数据采集系统方案设计 |
| 6. | Alpha eigenvalue is an characteristic parameter in neutron chain reaction physics . it describes the variational velocity of neutron flux along with time
本征值是中子链式反应物理中表征系统动态性质的一个重要特征量，描述中子通量密度随时间按指数规律变化的快慢。 |
| 7. | At first , the effect of the target on the neutron flux is discussed to determine the optimal proton energy , target material , shape and dimension by using the high - energy particle transport code nmtc / jam
首先利用高能粒子输运程序nmtc jam计算了入射质子能量、靶的材料、形状、尺寸以及靶与慢化器耦合对中子通量的影响。 |
| 8. | A rectangular target with its aspect ratio 2 . 5 : 1 gives the higher neutron flux than square target with the same area . for the same shape , the neutron flux increases then turn to decrease with decreasing the area of the target
接下来根据已优化的靶的参数，利用低能粒子输运程序mcnp4a进一步计算高能中子(快中子)进入慢化器后，在慢化器中的输运过程。 |
| 9. | The performance of the cngs , including transmission efficiency , neutron flux , flux spectrum , divergency , uniform and gravity effect , have been analysed technically . that the scheme of supermirror guide is optimum has been given and adopted
在此基础上，分别从传输效率、中子注量率、谱形、发散度、均匀性和重力影响方面，对导管性能进行了技术分析，提出了超镜导管是建设的最佳方案，并被工程设计采纳。 |
| 10. | According to the requirements of the cng on neutron flux , critical wavelength and distance between inpile guides and the cns , the relation between the source size and the critical angle of the coating material of the inpile guides as well as neutron flux at exit of the cngs have been studied
根据导管设计指标的需要，研究了冷源尺寸与堆内导管内壁镀膜材料的全反射临界角和导管系统出口处中子注量率的关系。 |
