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- Based on the neutron energy, the value of weighting factor was given. 根据中子能量给出了相应的辐射权重因子的数值。
- The results show that the energy of the recoil proton ranges from zero to incident neutron energy. 接近垂直入射方向产生的质子数较多;入射中子能量越高,产生质子数越少;
- In the first place, the fractional decrease in neutron energy per collision is, on the average, greatest for light nuclei. 第一,平均来说原子核愈轻,每次碰撞后中子的能量损失分额就愈大。
- spontaneous fission neutron source 自发裂变中子源
- In the first place, the fractional decrease in neutron energy per collision is, on the average , greatest for light nuclei. 第一,平均来说原子核愈轻,每次碰撞后中子的能量损失分额就愈大。
- The new system, adapted from mineral-analysis technology, exploits differences in the amount of X-ray and neutron energy absorbed by different types of material. 这一改编自矿物分析技术的新系统充分利用不同类型材料吸收的X射线和中子能量数量上的差异(来分析)。
- The calculated results show that both energy response and resolution of the detector are related to neutron energy and the thicknesses of both polyethylene and Pb. 计算结果表明,叠层探测器的响应和能量分辨率与中子能量、聚乙烯以及铅衰减层厚度有关。
- In addition, somewhat less than 1 percent of the fission neutrons, called the "delayed" neutrons, are emitted subsequently. 此外,还有一些约少于1%25的叫做“缓发”中子的裂变中子,随后被发射出来。
- Impact of Fuel Assemblies Burn-Up on Core Fission Neutron Source Parameter 组件燃耗对堆芯裂变中子源参数的影响
- Under the conditions of different shielding and combination, the distributions of delayed fission neutrons from depleted uranium systems were measured and the reliability of the systems was studied. 在不同屏蔽和组合等条件下测量和比较了贫化铀系统的缓发裂变中子分布,进一步研究了实验系统的可核查性。
- Experiments were carried out with EMI photomultiplier tubes (9815B and 9850B) at 5SDH-2 accelerator and the responses to neutrons with neutron energy ranging between 0.5 MeV and 5 MeV were obtained. 在5SDH-2小串列加速器上,选用9815B和9850B两种光电倍增管进行实验,得到了光电倍增管的中子直照灵敏度能谱响应曲线。
- CHEMICAL PROCESS FOR THE RECOVERY OF ~(252)Cf FROM A ~(252)Cf SPONTANEOUS FISSION NEUTRON SOURCE ~(252)Cf自发裂变中子源的化学回收流程
- Effects of fission neutron irradiation on mouse splenic NK achvity and IL 2 production 裂变中子照射小鼠脾脏NK活性和IL-2产生能力的变化
- The disease is still in its primary stage. 这疾病仍然在初发阶段。
- Study of the neutron energy response of PIN pulse neutron detector 组合PIN脉冲中子探测器的能量响应
- Neutron energy response measurement of scintillation detectors 几种闪烁探测器的中子能量响应函数测量
- The little boy left primary school at eleven. 这个小男孩十一岁时小学毕业。
- Sure. We are friends since primary school. 当然,我们从小学就是朋友了。
- The Relative Sensitivity of GM Counter to the Fission Neutrons GM计数管对裂变中子的相对灵敏度
- I started primary school when I was 5 years old. 我五岁时开始读小学。