中子屏蔽

ITER真空室中子屏蔽组件的结构动力学有限元分析

Structure dynamic analysis of neutron shielding component for ITER vacuum vessel

ITER真空室中子屏蔽设计

Design of ITER vacuum vessel neutron shielding structure

聚乙烯（B4C）材料对中子屏蔽性能的测定

The Measurement of the neutron-shielding qualities of polyethylene-boron carbide

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 .

根据ITER（Internationalthermonuclearexperimentalreactor）真空室中子屏蔽组件的设计概念和结构特点，应用有限元分析软件ANSYS对结构组件进行静力学分析和热&结构耦合分析。

Neutron shielding components design concept and structure features of ITER ( International Thermonuclear Experimental Reactor ) vacuum vessel were briefly introduced . Static and thermo-structure coupling analyses were performed based on FEM ( finite element method ) software ANSYS , respectively .

本文介绍一个附有中子屏蔽物质的小型背附探测器系统及其在气球上的飞行观测结果。

The results of a balloon flight in 1981 are presented .

用蒙特卡罗方法计算快中子屏蔽体的厚度

Calculation of the Thickness of Fast-Neutrons Shield with the Monte Carlo Method

中子屏蔽复合材料板材研制及性能研究

Study on preparation of composite plates with neutron shielding function

中能重离子反应的中子屏蔽

Shielding of neutrons for the medium energy heavy ion interaction

高能重离子加速器次级中子屏蔽的理论估算

Theoretical Estimation of Shielding for Secondary Neutrons From High Energy Heavy Ion Accelerator

使用直接模拟法研究选择快中子屏蔽参数

On the Choice of the Shield Parameters of Fast Neutron with the Direct Simulation Method

为此，在弹性分析的基础上，本文重点对中子屏蔽块做塑性极限分析。

For this reason , this paper focuses on the plastic limit analysis of in-wall shielding block .

由于这一缘故，氢（例如水）便成为中子屏蔽体的一个重要组成部分。

It is for this reason that hydrogen , e. g. as water , is an important constituent of neutron shields .

因此，根据强度分析的结果重新对中子屏蔽组件的结构方案进行修改，分析结果表明改进后的结构更加合理。

A new improved structure scheme has been put forward according to the analysis results , and it seems the improve structure is more reasonable .

因此，塑性极限分析充分发掘出了材料的潜能，不仅节省了材料，而且避免了对中子屏蔽块的重新设计。

The plastic limit analysis , therefore , fully explores the potential of the material . Not only the materials are saved , but also the redesign of the in-wall shielding block is avoided .

其无纺布对热中子屏蔽率可达90%以上，对中能中子和γ射线也有一定的屏蔽效果。

The shielding rate of the nonwoven fabrics reachs over 90 % as to thermal neutron . The nonwoven fabrics has also some the shielding effect as to moderate energy neutron and γ - ray .

PAAS/PVA凝胶颗粒具有柔软的质地及较高的溶胀度和溶胀速率。结论：？1.PVA/PEO水凝胶材料可作为金属离子等辐射屏蔽物质的载体，为进一步研究中子屏蔽慢化复合材料提供了新的途径。

The PAAS / PVA gels has the good quality and higher rate of swelling . Conclusion : PVA / PEO hydrogel materials can be used as the carrier of neutron radiation shielding material , it provides new evidence to further study the neutron shielding and slowing compound materials .

基于MCNP程序模拟的14MeV中子准直屏蔽材料的研究

Study on the shielding material of 14 MeV neutrons collimation based on MCNP

阈探测器法测量Am-Be中子源屏蔽辐照腔内的中子能谱

Neutron Spectrum Measurement From Am-Be Neutron Source in Radiation Shield Cavity

K-600中子发生器屏蔽层外中子剂量分析

The neutron dose distribution outside the shielding of K-600 neutron generator

FEB-E三维中子学屏蔽分析和计算

Three-dimensional Neutronics Shielding Analysis and Calculation for FEB-E

西安脉冲堆中子照相屏蔽体改建设计计算

Designing Calculation for Shield Rebuilding of Neutron Radiography at Xi'an Pulsed Reactor

为提高活化探测器的测量精度，采用了散射中子的屏蔽措施。

A method to shield the scattering neutrons was implemented to improve measurement resolution .

高能射线的屏蔽问题&一种中子辐射屏蔽计算的新方法

New method on Calculation of neutron shielding

为防止电子直线加速器产生的各种辐射所造成的有害生物效应，加速器实验室应采用一系列措施，对韧致辐射x线及光中子进行屏蔽防护。

In order to prevent all kinds of radiation produced by electron linear accelerator from bringing about harmful effect on creatures , we adopt some measures to shield bremsstrahlung X-rays and photoneutron in the design of accelerator .

随着核能应用的推广，具有x射线，γ射线和中子辐射综合屏蔽材料的研制一直被作为重要科研课题受到各国重视。

With the promotion of nuclear energy applications , the radiation shielding materials integrated with X-ray , y-ray and neutron have been attented by various countries as an important research subject .

D-T反应中子源准直屏蔽体及中子束特性研究

Research on Beam-shaping-assembly of D-T Reaction Neutron Source and Beam Characteristic

讨论了~（153）Gd产额、中子吸收和屏蔽效应引起的注量降抑及对生产的影响。

The yield of ~ ( 153 ) Gd , neutron fluence depression from the neutron absorption and self shielding effect of target material as well as its influence on large scale ~ ( 153 ) Gd production were discussed .

一个可能的原因是金箔对低能中子的自屏蔽效应。

A possible explanation for the disagreement is the self shielding effect of the activation Au foils for the low energy neutrons .

建立了1个用于测试材料防中子、γ辐射屏蔽性能，着重描述防中子辐射的物理实验室。

The physical laboratory for measuring shelter property of material used for protection of neutron and gamma radiation is established .