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- A variational formula combining mixed finite element method with discontinuous finite element method is derived for solving the two-group neutron diffusion equation in 2D. 摘要构造了求解二维两群中子扩散方程的混合间断有限元格式,研制了相应的计算程序。
- USAGE: AS SUPERCONDUCTOR, STRUCTURE MATERIALS OF FAST NEUTRON REACTOR AND ADDITIVES FOR SPECIAL ALLOY. 用途:用做超导材料、快中子反应堆结构材料和特种合金添加剂。
- The triplet diffusion length in Ir(ppy)3-doped and pure CBP films are calculated to be 6.8 nm and 61.4 nm, respectively. 利用这个模型,可以得到常用的主体材料CBP中的三线态激子扩散长度为61.;4 nm、常用的掺杂层Ir(ppy)3:CBP中的三线态激子扩散长度为6
- Calculation results of fast neutron (E>1MeV) irradiation damage had been given according to the NRC-RG1.99(Rev2). 按照NRC-RG1.;99(Rev2)规定给出了快中子(E>1Mev)辐照损伤计算结果;
- The eyes of rabbit received 0.0125 GY single exposure dose of fast neutron from Amc-Be neutron source. Am-Be中子源;0.;0125Gy快中子照射北京灰兔双眼及全身;照射时间为150分钟。
- A simple model is used to calculate the EBIC profile and to fit with the experiment data, then the diffusion length and surface recombination velocity are obtained. 给出一简单模型 ,对GaP样品n区的EBIC线形进行计算 ,拟合实验曲线 ,得出少子扩散长度和表面复合速度
- Fast neutrons are also captured by nitrogen. 快中子也可以被氮吸收。
- How to use the measured effective diffusion length and scanner illumination condition to demonstrate photolithography line width uniformity is introduced. 介绍了如何通过测量得出的等效扩散长度和光刻机的照明条件来对任何光刻工艺的线宽均匀性进行评估。
- The line CCD was tested after exposed to the fast neutron provided by the TRIGA reactor. 摘要利用TRIGA型脉冲反应堆提供的快中子,对一种线阵CCD开展中子辐照实验。
- When the aging temperature T1 and T2 are fixed, the time necessary to achieve a certain diffusion length is inverse-proportional to the diffusion coefficient. 当一级时效温度T1和二级时效温度T2固定时,达到特定扩散长度所须的时间与这2个温度下磁体的扩散系数成反比。
- A boron neutron capture enhanced fast neutron therapy assembly has been designed for the Fermilab Neutron Therapy Facility (NTF). 中文摘要 冷冻治疗是一种最小侵入的治疗手段,治疗后会有一物理变化之冰球介面,可用作为治疗的指标。
- Based on the references and analysis, The primary design of the Converter which is a thin layer of polyethylene for fast neutron dosimeter is founded. 本文简单介绍了直读式个人中子剂量计的发展动态,在参考比较的基础上,提出了快中子剂量计转换屏设计方案。
- Monte-Carlo calculation of keff and neutron flux density in fast neutron critical assemblies with multi-group section data[J]. 引用该论文 徐家云;张一云;林理彬;白立新;范晓强;周厚全.
- On the other hand, due to their relatively strong electron-phonon coupling and week spin-orbit coupling, long spin diffusion length can be obtained in organic semiconductors (OSC). 另一方面,最近以来,人们在基于有机半导体的自旋阀中也观察到了巨磁电阻效应,由于有机半导体具有自旋平均自由程比较长等优点,而引起了广泛关注。
- So the back surface recombination velocity S b begins to strongly influence solar cell performance when the ratio of minority carrier diffusion length to device thickness approached or exceeds unity. 而当少数在流子的扩散长度大于硅片厚度时,电池片上下表面的复合速率对效率的影响显得更加重要。
- In most reactors, there is a significant flux of fast neutrons. 在大部分反应堆中都有一定强度的快中子流。
- neutron diffusion cooling phenomenon 中子扩散冷却现象
- The diffuser length should be long enough to ensure the main flow deceleration. 扩压段应具有一定的长度以保证主气流减速到一定程度。
- Conclusion: The radiation reactions of the mice esophagus seem not to be deteriorated after thoracal irradiation with fast neutron, photon or mixed beams. 结论:快中子及混合线照射小鼠胸腔后并不会加重食管的放射反应。