SELF-SHIELDING

作品数:11被引量:10H指数:2
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相关领域:核科学技术理学更多>>
相关作者:刘耀红张化一唐传祥唐华平陈怀璧更多>>
相关机构:同方威视技术股份有限公司清华大学更多>>
相关期刊:《Chinese Physics C》《Energy and AI》《Science Bulletin》《World Journal of Nuclear Science and Technology》更多>>
相关基金:国家自然科学基金国家重点基础研究发展计划北京市科技计划项目更多>>
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Dimensionally confined nanosheets self-assembled through self-shielding multiple hydrogen bonding interactions in aqueous media
《Chinese Chemical Letters》2022年第11期4856-4859,共4页Jing Zhang Shuaiwei Qi Hao Yu Ze Lin Bao Li Ming Wang Zeyuan Dong 
supported by the National Natural Science Foundation of China(Nos.22071078,92156012 and 21722403);the Program for JLU Science and Technology Innovative Research Team(JLUSTIRT,No.2019TD-36)。
Herein,we adopt a simple supramolecular strategy to effectively control the tautomerism of ureidopyrimidinone(UPy)moiety and ultimately realize the complete arrangement of enol configuration.The obtained UPy derivativ...
关键词:Hydrogen bonding Aqueous media Sandwich structure SELF-SHIELDING Two-dimension 
Confidence estimation in the prediction of epithermal neutron resonance self-shielding factors in irradiation samples using an ensemble neural network
《Energy and AI》2022年第1期101-119,共19页Ian M.Wilkinson Ritwik R.Bhattacharjee Jenifer C.Shafer Andrew G.Osborne 
Large neutron absorption resonances in the nuclides present in irradiation samples reduce the irradiating neutron flux at energies close to a resonance.In neutron activation analysis of optically thick samples with re...
关键词:Neutron activation analysis Epithermal self-shielding Neural Networks 
Assessment of Resonance Self-shielding Models during Burn-Up Calculations
《材料科学与工程(中英文A版)》2021年第3期96-105,共10页Riham Refeat Basma Foad 
Various approaches and models are used in deterministic codes to treat the resonance self-shielding behavior of cross-sections.The accuracy of the models used has a significant effect on the precision of calculations;...
关键词:Resonance self-shielding effect statistical subgroup method subgroup projection method BURNUP 
Design of Self-shielding Device for Ionizing Radiation of Small Cyclotron
《Annual Report of China Institute of Atomic Energy》2019年第1期214-215,共2页YANG Guang WANG Feng JIA Xianlu XING Jiansheng 
At present,in the cyclotron which is used in the production of short and medium life isotopes for medical use,neutron and gamma ionizing radiation will be produced when the target system and cyclotron are running.Acco...
关键词:SMALL protected RADIATION 
Mass-independent fractionation of even mercury isotopes被引量:8
《Science Bulletin》2016年第2期116-124,共9页Hongming Cai Jiubin Chen 
supported by the Natural Science Foundation of China(41273023;U1301231);the National Basic Research Program of China(2013CB430001);the Strategic Priority Research Program(XDB05030302);the‘‘Hundred Talent’’Project of Chinese Academy of Sciences and SKLEG
Practically all physical, chemical, and biologi- cal processes can induce mass-dependent fractionation of mercury (Hg) isotopes. A few special processes such as photochemical reduction of Hg(Ⅱ) and photochemical ...
关键词:Mass-independent fractionation Evenmercury isotopes Processes producing even-MIF Mechanisms triggering even-MIF SELF-SHIELDING Neutron capture 
Study on the Processing Method for Resonance Self-shielding Calculations
《Annual Report of China Institute of Atomic Energy》2011年第1期81-81,共1页LIU Ping (Department of Nuclear Physics) 
We investigate a new approach for resonance self-shielding calculations, based on a straightforward subgroup method, used in association with characteristics method. Subgroup method is actually the subdivision of cros...
Determination of Neutron Fluxes and Spectrum Shaping Factors in Irradiation Sites of Ghana’S Miniature Neutron Source Reactor (mnsr) by Activation Method After Compensation of Loss of Excess Reactivty
《World Journal of Nuclear Science and Technology》2011年第2期50-56,共7页R.B.M. Sogbadji B.J.B. Nyarko E.H.K. Akaho R. G. Abrefah 
Accurate neutron flux values in irradiation channels of research reactors are very essential to their usage. The total neutron flux of the Ghana Research Reactor-1(GHARR-1) was measured after a beryllium reflector was...
关键词:FLUENCE Rate FOIL Activation Neutron SELF-SHIELDING Flux Ratio 
Design of Miniature and Self-Shielding Electron-Beam Radiation Processing System被引量:2
《Chinese Physics C》2008年第z1期250-252,共3页唐华平 唐传祥 刘耀红 张化一 陈怀璧 
北京市科技计划项目(D0404004040021)资助~~
This paper describes the structure and work principle of a miniature and self-shielding electron-beam radiation processing system.Centering on the miniaturization and self-shielding,this system has been manufactured. ...
关键词:radiation processing system ACCELERATOR SELF-SHIELDING MINIATURE 
Realization of an 850V High Voltage Half Bridge Gate Drive IC with a New NFFP HVI Structure
《Journal of Electronic Science and Technology of China》2007年第4期328-331,共4页Ming Qiao Hong-Jie Wang Ming-Wei Duan Jian Fang Bo Zhang Zhao-Ji Li 
This work was supported by the National Nature Science Foundation of China under Grant No.60436030.
A NFFP HVI structure which implements high breakdown voltage without using additional FFP and process steps is proposed in this paper. An 850 V high voltage half bridge gate drive IC with the NFFP HVI structure is exp...
关键词:High voltage interconnection multiple floating field plate no floating field plate SELF-SHIELDING high voltage half bridge gate drive IC. 
Self-shielding Electron Beam Installation for Sterilization
《Annual Report of China Institute of Atomic Energy》2002年第0期97-98,共2页Linac Laboratory 
China Institute of Atomic Energy (CIAE) has developed a self-shielding electron beam installationfor sterilization as handling letters with anthrax germ or spores which has the least volume and the
关键词:shielding Electron Atomic LETTERS handling INSTALLATION accelerator absorbed GOODS ENOUGH 
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