中子流

zhōnɡ zǐ liú
  • Neutron flux;neutron current
中子流中子流
  1. 初步进行了宇宙中子流的测量,结果表明:在不同的气象条件下,宇宙中子流呈现有规律的变化。

    Some preliminary works were done in measuring cosmic neutron current . The results show that cosmic neutron currents change regularly in different meteorological conditions .

  2. 在大部分反应堆中都有一定强度的快中子流。

    In most reactors , there is a significant flux of fast neutrons .

  3. CSR外靶实验终端中子流测量的模拟

    Measurement of Neutron Flow with the External Target Experimental Device on CSR

  4. 感生通过用中子流、r射线线和其它一些粒子流射向一个物质而产生(例如,放射现象)

    To produce ( radioactivity , for example ) artificially by bombardment of a substance with neutrons , gamma rays , and other particles .

  5. 考虑到离子横向速度非麦氏分布导致的D-T反应率增益为2~5倍,可使中子流强维持足够高的水平1×10~(19)n/s。

    ICRF can produce a high energy tail in ion distribution function and lead to significant enhancement of D-T reaction rate by 2 - 5 times so that the neutron source strength reaches to the level of 1 X 1019 n / s.

  6. 低强度中子流电视摄像系统

    ATV System for Low Intensity Neutron Radiography

  7. 介绍了地空界面天然中子流的来源和轻便型天然中子流测量仪器。论述了地空界面天然中子辐射场的扰动。

    The origin of natural neutron flux on the air-ground interface has been introduce in this paper .

  8. 研究堆中水平辐照孔道用以从堆芯附近引出高能中子流。

    Horizontal radiation ducts in research reactors are used to reduce the high energy neutron flux from near the core .

  9. 原来这根管子是反应堆核心中辐射监测器上的一根保护管,长时间的中子流使得它具有高度放射性。

    The object turned out to be protective tubing from a radiation monitor in the reactor core , made highly radioactive by neutron flux .

  10. 通过对地一空界面天然中子流测量,可以揭示气象的瞬态变化、确定地表介质的含水率的关系,以及在地震预报与环境电离辐射评价方面具有重要的科学意义与实用价值。

    The natural neutron flux measurement method can be used to predict the instantaneous change of atmosphere condition , and to determining the water content of soil and rocks and to predict earthquake .

  11. 中子束流装置对反应堆临界影响实验研究

    Experimental Research for the Reactor Criticality With Neutron Beam Equipment

  12. 快中子束流稳定性的提高及旋转靶系统

    The improvement on the stability of neutron beam and the rotative target system

  13. 特殊中子束流装置特性研究

    Characteristic Research on Special Neutron Beam Equipment

  14. ns-200中子发生器束流脉冲化技术研究及束流传输模拟计算

    Ns-200 accelerator beam pulsed technical research and simulate calculate of beam transfer

  15. 200keV直流/脉冲中子发生器束流输运模拟计算

    Modulation and Computation of Ion Beam Current Transmission for the 200 keV Continuation / Pulse Neutron Generator

  16. 利用扩展的Brueckner-Hartree-Fock理论与推广的BCS方法研究了自能的色散效应和基态关联对中子物质中超流性和能隙的影响。

    The effects of the dispersion and ground state correlation of the single particle self-energy on neutron matter superfluidity have been investigated in the framework of the Extended Brueckner-Hartree-Fock and the generalized BCS approaches .

  17. 中子发生器束流传输光学系统研究及模拟计算

    Beam optical transfer system of neutron generator and its simulation calculation

  18. 150kV中子发生器束流的微机-光纤闭环控制系统

    A microcomputer-fiber optics closed loop ion beam control system for a 150 kV neutron generator

  19. 中子物质中超流性的自能色散效应

    Self-energy Dispersion Effects on Neutron Matter Superfluidity

  20. 14MeV中子治疗仪束流特性的综述

    Evaluation of Beam Property of 14 MeV Neutron Therapy Facility

  21. 通过强流离子束包络的数值模拟计算,完成了用于治疗癌症的强中子发生器的束流传输系统设计。

    By simulating the ion beam envelope , a beam optics design of intense neutron gen - erator for cancer therapy is given .

  22. ITER真空室中子屏蔽主要是屏蔽中子流、伽马射线以及降低环向场波纹度。

    Neutron shielding structure of the ITER vacuum vessel ( VV ) will be applied to shielding neutron and gamma-ray and reducing the toroidal field ripple .

  23. 在微型反应堆零功率装置上搭建了硼中子俘获治疗拟采用的热中子束流装置。

    A thermal neutron beam equipment is installed in the miniature neutron source reactor ( MNSR ) zero power facility .

  24. 为减少中子注量的损失,中子反射谱仪的设计通常需要采用中子导管来传输,最前端为中子束流闸门。

    In order to reduce the loss of neutron flux , neutron reflectometer design usually use the neutron guide to transport neutron beam , forepart of the neutron reflectometer is the shutter .

  25. 将天然中子按能量分为快中子组(En>0.1MeV)与慢热中子组,建立了地-空界面上天然快中子流与慢热中子流粒子注量率随空间分布的数理方程。

    A mathematic-physical equation that describes the natural neutron radiation field is theoretically established , in which the natural neutron flux is considered for the fast neutron group ( E-n > 0.1MeV ) and slow-thermal neutron group according to neutron energy .

  26. 效率卷积方法就是把直接跟踪中子历史的过程分解为两个步骤来完成:第一步计算从源出发,达到探测器镉片处的中子面流;

    In the efficiency convolution method the direct neutron-tracking process is devided into two steps . First , the surface flow from the source to the Gd flake of the detector is simulated .