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托卡马克中等离子体表面相互作用—氢的捕获问题

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物理学进展 1989年第4期9卷 479-503页

作者：李业祥四川大学原子核科学技术研究所

本文评述了托卡马克中等离子体表面相互作用—氢的捕获问题。着重讨论氢的捕获过程及其在磁约束聚变研究中的重要意义,氢的输运扩散模型理论和***引入无量纲输运参数的简化理论公式,实验研究装置、方法及研究的一般情况,并总结分析了一... 详细信息

本文评述了托卡马克中等离子体表面相互作用—氢的捕获问题。着重讨论氢的捕获过程及其在磁约束聚变研究中的重要意义,氢的输运扩散模型理论和***引入无量纲输运参数的简化理论公式,实验研究装置、方法及研究的一般情况,并总结分析了一些重要的实验结果。

关键词：托卡马克等离子体氢磁约束

Excitation Functions for the Reactions Ti(α,x)51Cr and Ti(α,x)48Cr

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中国核科技报告 1998年第S2期 27-32页

作者： Peng Xiufeng He Fuqing Long Xianguan (institute of nuclear Science and technology, Sichuan Union Univ., Chengdu)

Introduction The excitation function measurement of charged-particle-induced nuclear reaction is an useful subject for reasons of both basic knowledge and technological progress. It is important in such fields as production of radio-isotopes with an accelerator, charged-particle activation analysis, thin-layer activation for study of wear and erosion in a metal and research of nuclear reaction mechanism, etc.

关键词： Excitation Functions for the Reactions Ti Cr and Ti

用可见光双反射法测定热解石墨的各向异性因子

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清华大学学报（自然科学版） 1998年第7期38卷 15-17页

作者：张纯李继红清华大学核能技术设计研究院

石墨广泛地用做核反应堆慢化材料、反射层材料和堆芯结构材料，在高温气冷堆中还用来做燃料元件。石墨材料的择优取向程度，对于它在反应堆中安全使用是一个重要的性能参数。有两种测定石墨择优取向程度的方法。一种方法是用Ｘ射线衍射... 详细信息

石墨广泛地用做核反应堆慢化材料、反射层材料和堆芯结构材料，在高温气冷堆中还用来做燃料元件。石墨材料的择优取向程度，对于它在反应堆中安全使用是一个重要的性能参数。有两种测定石墨择优取向程度的方法。一种方法是用Ｘ射线衍射技术测极图，得到培根各向异性因子ｆＢＡ；另一种方法是依据石墨晶体对可见光的双反射现象，得到表征石墨择优取向程度的另一参数——光学各向异性因子ｆＯＡ。本文描述了用Ｄ／ｍａｘ－３Ｂ型Ｘ射线衍射仪测定ｆＢＡ和用ＭＰＶ－２型显微镜光度计测定ｆＯＡ的实验过程，给出了测量结果，讨论了两种方法各自的优缺点。对于热解石墨样品，用所述测量方法得到的ｆＢＡ和ｆＯＡ是等同的。

关键词：石墨各向异性因子可见光双反射法反应堆材料

SYSTEM VALIDATION OF COMPUTERIZED PROCEDURE SYSTEM BASED ON MULTI-LEVEL FLOW MODELING

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Effect of acid oxidization of carbon nanotube electrode on the capacitances of double layer capacitors

第十八届国际反应堆结构力学大会

作者： Wei Qin Liangju Zhang institute of nuclear and New Energy technology Tsinghua University

＜正＞ Computerized Procedure System （CPS） is a kind of operator assistant system. In this work an approach suggests the application of an MFM model to dynamic system validation of CPS’s procedure files, under the context of a simulation or a real nuclear Power Plant （NPP） condition. It should be possible to determine, using the model, whether CPS is working in a manner that requirements for CPS is going to be achieved, and this validation is based on requirements of CPS to achieve or maintain the NPP system to or in a desired operation state. The modeling procedure of a MFM model is as follows: （1） The top goal of a system is first

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Science China(Technological Sciences) 2004年第3期47卷 257-264页

作者： Li Chensha1,WANG Dazhi1,LIANG Tongxiang2,WANG Xiaofeng1 & LIANG Ji1 1. Department of Mechanical Engineering, Tsinghua University,Beijing 100084, China 2. institute of nuclear Energy technology, Tsinghua University,Beijng 102201,China Tsinghua Univ Dept Mech Engn Beijing 100084 Peoples R China Tsinghua Univ Inst Nucl Energy Technol Beijing 102201 Peoples R China

Polarizable electrode of electric double layer capacitor was made from carbon nanotubes. The effect of acid oxidation of electrode on the specific capacitance was studied. Oxidation removed the redundant carbon, expanded the pore size and introducedf some kinds of functional groups on the surface of CNTs. The specific capacitance of the electrodes winth organic electrolyte was increased from 21.4 to 49.6 F/g after being oxidized at a volume ratio H2SO4 to HNO3 of 3:1.

关键词： carbon nanotubes, electric double layer capacitor, specific capacitance.

Electron irradiation effects on DC electrical performances of SiGe HBT in a comparison with Si BJT

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Rare Metals 2004年第4期23卷 330-339页

作者： MENGXiangti ZHANGXimin WANGJilin HUANGWentiao CHENPeiyi KLAHongyong instituteofnuclearandNewEnergytechnology TsinghuaUniversityBeijing100084China instituteofMicroelectronics TsinghuaUniversityBeijing100084China

The DC characteristics of SiGe HBT irradiated at different electron dose havebeen studied in a comparison with those of Si B JT. Generally, I_b and I_b - I_(b0) increase, I_c,I_c -I_(c0) and its +/- transition V_(be) as well as DC current gain ft decreases with increasingdose; increase of I_b -I_(b0) with increasing dose for Si BIT is much larger than that for SiGe HBT;beta increases with V_(be) or I_b, but decreases at I_b < 0.25 mA with I_b, and congregates athigher dose; and a damage factor d(beta) is much less at the same dose for SiGe HBT than for Si *** HBT has much better anti-radiation performance than Si BJT. Some anomalous phenomena forincrease of I_c, I_c -I_(c0), I_b -I_(b0) and beta at low dose have been found. Some electron trapshave been measured. The mechanism of changes of characteristics is discussed.

关键词： semiconductor technology SiGe HBT electron irradiation Si BJT DCelectrical performance

Role of Demonstration of the Sino-Dutch Cooperation Project—A Perspective from Rural Energy Development in China

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STUDY OF Ag DIFFUSION INTO Cu SINGLE CRYSTALS BY RUTHERFORD BACKSCATTERING SPECTROMETRY

作者： Gu Shuhua institute of nuclear and New Energy technology,Tsinghua University,Beijing 100084

The paper analyzes the experiences that led to the success of the Sino-Dutch Cooperation Project,including technology selection,fund use,project objective setting, organization and management and dissemination *** exp... 详细信息

关键词： rural renewable energy project objective significance of demonstration

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Acta Metallurgica Sinica(English Letters) 2003年第5期16卷 332-334页

作者： R.Wang 1) Key Laboratory of Beam technology and Materials Modification, Ministry of Education, Beijing 100875, China2) institute of Low Energy nuclear Physics, Beijing Normal University, Beijing 100875, China3) Beijing Radiation Center, Beijing 100875, China Key Laboratory of Beam technology and Materials Modification Ministry of Education Beijing 100875China institute of Low Energy nuclear Physics Beijing Normal University Beijing 100875 China Beijing Radiation Center Beijing 100875 China

4.0Me V 7Li++ RBS was used for investigations of thermal diffusion of Ag in Cu single crystals. The annealing of samples was carried out in vacuum in the temperature range from 498K to 613K. The element depth concentration profiles transformed from RBS spectra indicate that the diffusion of Ag into Cu is a typical volume diffusion. The Arrhenius parameters corresponding to the diffusion were obtained.

关键词： Ag diffusion single crystal

EVALUATION OF NEUTRON nuclear DATA OF STRUCTURAL MATERIaL NUCLEI

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中国核科技报告 1991年第S1期 51-53页

作者： Ma Gonggui Zhou Yiming Wang Shiming(institute OF nuclear SCIENCE AND technology OF SICHUAN UNIVERSITY, CHENGDU, CHINA)

Neutron nuclear data of structural material nuclei are important for nucle-ar *** on CENDL-1(Chinese Evaluated nuclear Data Library,First Version),the evaluations for V,Cr,Cu,Ni,Zr and Nb have been reevaluated for CEN... 详细信息

关键词： Ni Cr EVALUATION OF NEUTRON nuclear DATA OF STRUCTURAL MATERIaL NUCLEI