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lithium target
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  锂靶
     A design of metal Lithium target for accelerator 7 Li (p,n) 7 Be reaction neutron source is proposed,and neutron yield is calculated.
     提出适合硼中子俘获治疗加速器7Li(p,n)7Be反应中子源的一个金属锂靶的设计,并对中子产额进行了计算。
短句来源
     The results show that large amount of surface heat load can be removed even by stationary free surface liquid lithium target plate due to rapid evaporation.
     结果表明定常自由表面液态锂靶板也可以取出大量表面热负荷。
短句来源
  li靶
     This paper introduced the methods of producing and conserving metal lithium target film that was used in multiply fast neutron transfer reactions.
     介绍了供多中子转移反应实验用的金属 Li 靶膜的制备方法及条件;
短句来源
  相似匹配句对
     N TARGET
     命中目标
短句来源
     principle and target;
     原则和目标;
短句来源
     Moreover, the target film was incompact and could be used as the positive material of lithium battery.
     通过SEM分析发现,电泳沉积得到的LiCoO2薄膜不很致密,但作为锂离子电池正极材料使用是完全可以满足要求的。
短句来源
     Extraction of lithium from bittern
     从盐湖卤水中萃取锂
短句来源
     Advances in lithium initiator
     锂系引发剂的研究进展
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  lithium target
Energy calibrations are reported for a single-crystal total-absorption γ-spectrometer and for the proton beam of an electrostatic generator during the resonant capture of protons by lithium target nuclei in a Li7(p, γ)Be8 reaction.
      
The polarimeter is composed of two separate instruments: the first exploits the dependence on the polarization of the Bragg reflection from a graphite crystal, and of the Thomson scattering from a metallic lithium target.
      
According to this scheme negative pions are produced inside a 150-cm-long 0.75-cm-radius lithium target.
      
Summarizing, we find that the lithium target of radiusR=10-12 cm for which the energy cost επ to produce one π--meson is estimated as 6.7 GeV/π for a d-beam and 5.3 GeV/π for a t-beam is the most preferred pion-production target.
      
A radiochemical experiment utilizing a lithium target has high sensitivity to the CNO neutrinos; thus, it has a good promise for precise measurement of the mixing angle and for a test of the current theory of evolution of the stars.
      
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A comprehensive physical model including high temperature liquid lithium evaporation, expansion motion of lithium vapor,shielding effects of vapor cloud on incoming plasma particles and photon radiation and transport in the lithium vapor cloud plasma has been presented. A formula to describe the temperature dependent evaporation power is derived.The maximum temperature rises of stationary liquid lithium surface target plate are compared under the intense deposition of energy (10 MJ/m 2) over short period...

A comprehensive physical model including high temperature liquid lithium evaporation, expansion motion of lithium vapor,shielding effects of vapor cloud on incoming plasma particles and photon radiation and transport in the lithium vapor cloud plasma has been presented. A formula to describe the temperature dependent evaporation power is derived.The maximum temperature rises of stationary liquid lithium surface target plate are compared under the intense deposition of energy (10 MJ/m 2) over short period (1 ms) for considering or not considering evaporation processes respectively. The results show that large amount of surface heat load can be removed even by stationary free surface liquid lithium target plate due to rapid evaporation. The energy depositions of incoming high energy particles and weekly relativistic electrons from SOL are calculated.

本文建立了一种高温液态锂蒸发、锂蒸气云等离子体运动、它对入射等离子体粒子屏蔽和锂蒸气云等离子体内的光子辐射和输运的综合物理模型。导出了与温度相关的蒸发功率。研究了静态液态锂表面在 10MJ/m2 ,1ms高脉冲表面热负荷作用下考虑蒸发和不考虑蒸发两种情况下靶板温升并作了比较。结果表明定常自由表面液态锂靶板也可以取出大量表面热负荷。最后计算了入射到偏滤器靶室中的高能α粒子和弱相对论性电子在锂蒸气云等离子体中的能量沉积。

A design of metal Lithium target for accelerator 7 Li (p,n) 7 Be reaction neutron source is proposed,and neutron yield is calculated.The moderation of neutron in light water and the impact of neutron reflector on neutron spectrum are investigated with the Monte Carlo method.It is concluded that neutrons produced by accelerator with 7 Li(p,n) 7 Be reaction and then moderated by light water of5cm thickness can be used as the epithermal neutron source of boron neutron capture therapy....

A design of metal Lithium target for accelerator 7 Li (p,n) 7 Be reaction neutron source is proposed,and neutron yield is calculated.The moderation of neutron in light water and the impact of neutron reflector on neutron spectrum are investigated with the Monte Carlo method.It is concluded that neutrons produced by accelerator with 7 Li(p,n) 7 Be reaction and then moderated by light water of5cm thickness can be used as the epithermal neutron source of boron neutron capture therapy.

提出适合硼中子俘获治疗加速器7Li(p,n)7Be反应中子源的一个金属锂靶的设计,并对中子产额进行了计算。用MonteCarlo的方法研究了中子在水中的慢化和反射层对中子能谱的影响。结果表明,在这种几何结构下7Li(p,n)7Be反应产生的中子经过5cm的水层慢化后可作为硼中子俘获治疗的超热中子源。

This paper introduced the methods of producing and conserving metal lithium target film that was used in multiply fast neutron transfer reactions. Rinsing liquid paraffin out of the surface of lithium including the selection of the rinsing agent was also described.

介绍了供多中子转移反应实验用的金属 Li 靶膜的制备方法及条件;金属 Li 表面石蜡油的清洗及清洗剂的选择;简述了 Li 靶的保存方法。

 
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