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检索条件："关键词=neutrons "
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Characterization of the new scintillator Cs2LiYCl6:Ce3+被引量：5
《Nuclear Science and Techniques》2018年第1期39-44,共6页Kui-Nian Li Xian-Peng Zhang Qiang Gui Peng Jin Geng Tian 
supported by the National Natural Science Foundation of China(No.11575145)
The first domestic inorganic scintillator, Cs_2LiYCl_6:Ce^(3+)(CLYC), was grown at Beijing Glass Research Institute using the vertical Bridgman method. In this work, we evaluated the performance of this new CLYC cryst...
关键词：Cs2LiYCl6:Ce3+ Energy RESOLUTION PULSE SHAPE DISCRIMINATION DECAY time Thermal neutrons 
中子及γ线照射小鼠肠组织中TNF-α的表达及其意义(英文)
《解放军医学杂志》2007年第12期1243-1245,共3页徐新萍 彭瑞云 高亚兵 陈浩宇 付凯飞 马俊杰 王瑞娟 王晓民 邱萍 
State Foundation for National Sciences(30370438)
目的研究经中子及γ线照射后小鼠肠组织中TNF-α的表达情况及其意义。方法350只二级雄性BALB/c小鼠,经不同剂量的中子和γ线照射,于照后6、12h及1、2、3、4、5、7、10、14、21、28天分批活杀,采用免疫组化染色等技术观察TNF-α在肠组织...
关键词：中子 Γ射线 辐射损伤 实验性 肠 肿瘤坏死因子 免疫组织化学 
Influence of thermal and resonance neutron on fast neutron flux measurement by ^(239)Pu fission chamber
《Chinese Physics C》2015年第1期50-53,共4页曾丽娜 王强 宋凌莉 郑春 
Supported by National Natural Science Foundation of China(91326109)
The ^239Pu fission chambers are widely used to measure fission spectrum neutron flux due to a fiat response to fast neutrons. However, in the meantime the resonance and thermal neutrons can cause a significant influen...
关键词：fission chamber neutron flux thermal and resonance neutrons fast neutrons 
Thermal neutron flux produced by EAS at various altitudes被引量：2
《Chinese Physics C》2013年第1期66-69,共4页Yu. V. Stenkin V. V. Alekseenko D. M. Gromushkin 刘烨 马欣华 赵静 
Supported by Russian Foundation for Basic Research(09-02-12380-ofi-m and 11-02-01479a),to the "Neutrino Program" of Russian Academy of Sciences;the Federal Target Program "Scientific and Educational Cadres for Innovative Russia";NSFC(10835007)
The results of Monte-Carlo simulations of extensive air showers are presented to show the difference of the hadronic component content at various altitudes with the aim to choose an optimal altitude for a PRISMA-like ...
关键词：EAS DETECTOR neutrons ALTITUDES 
Simulation of a modified neutron detector applied in CSNS被引量：2
《Chinese Physics C》2009年第1期54-57,共4页马忠剑 王庆斌 吴青彪 
We simulate the response of a modified Anderson-Braun rem counter in the energy range from thermal energy to about 10 GeV using the FLUKA code. Also, we simulate the lethargy spectrum of CSNS outside the beam dump. Tr...
关键词：rem counter high energy neutrons response function FLUKA 
The de-excited energy of electron capture in accreting neutron star crusts被引量：1
《Research in Astronomy and Astrophysics》2015年第9期1483-1492,共10页Jie Zhang 
supported by the National Natural Science Foundation of China (Grant Nos. 11273020, 11305133 and U1331121);China Scholarship (Grant No. 2011851096);the Science Foundation of China West Normal University (Grant No. 11B007)
When a daughter nucleus produced by electron capture takes part in a level transition from an excited state to its ground state in accreting neutron star crusts, ther- mal energy will be released and heat the crust, i...
关键词：stars： neutrons -- nuclear reactions -- nucleosynthesis -- abundances 
Plate spent fuel burnup measurement equipment based on a compact D-D neutron generator
《Nuclear Science and Techniques》2025年第3期189-200,共12页Yi-Nong Li Zheng Wei Gen-Tao Gao Lu Wu Kang Wu Jun Ma Xing-Yu Liu Ze-En Yao Yu Zhang Jun-Run Wang Xiao-Dong Su Zhi-Yong Deng Guo-Rong Wan 
supported by the National Natural Science Foundation of China(No.12075105);the Major Science and Technology Projects of Gansu Province(No.22ZD6GB020);the NSFC-Nuclear Technology Innovation Joint Fund(No.U2167203);the Fundamental Research Funds for the Central Universities(lzujbky-2023-stlt01,lzujbky-2024-jdzx10)。
Burnup measurement is crucial for the management and disposal of spent fuel.The conventional approach indirectly estimates burnup by examining the fission product or actinide content.Compared to the first two methods,...
关键词：Burnup measurement Plate spent fuel Active neutrons 
核屏蔽用材料现状及研究进展被引量：3
《粉末冶金工业》2022年第4期76-84,共9页潘晓龙 张思雨 郑富凯 刘璐 
国防科技工业核材料创新中心项目(ICNM-2020-YZ-03);陕西省重点研发计划资助项目(2020GY-268,2021GY-233)。
核屏蔽材料的开发和利用已有80年之久。从核屏蔽材料的需求出发,介绍了目前常见的3种核屏蔽材料,即含硼不锈钢、树脂基复合材料和铝基复合材料的研究和应用现状,分别对其特性和应用上的优缺点进行了相关的论述。在此基础上指出了含硼和...
关键词：核屏蔽材料 铝基复合材料 中子 伽马射线 
NONLINEAR SEMIGROUP APPROACH TOTRANSPORT EQUATIONS WITH DELAYED NEUTRONS
《Acta Mathematica Scientia》2018年第6期1637-1654,共18页abdul-ma jeed al-izeri khalid latrach 
This paper deal with a nonlinear transport equation with delayed neutron andgeneral boundary conditions. We establish, via the nonlinear semigroups approach, the exis-tence and uniqueness of the mild solution, weak so...
关键词：transport equation with delayed neutrons general boundary conditions quasi-accretive operators mild solution strong solution local and global solutions 
带有厚吸收片的PIN中子探头灵敏度的计算被引量：1
《核技术》1994年第6期351-355,共5页李文建 赵彦森 
提出了一个计算带有厚吸收片的ＰＩＮ中子探头灵敏度的方法，即分层分块蒙特卡罗模拟联合模型（ＬＰＭＣ）。根据计算过程．用ＦＯＲＴＲＡＮ７７语言编写了计算程序ＬＰＭＣ，其计算方法本身的误差不大于１．８８％。ＬＰＭＣ计算结果...
关键词：中子 灵敏度 反冲质子 聚变反应 
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