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STUDY OF PHASES IN U-10wt%Zr ALLOY BY NEUTRON DIFFRACTION

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Acta Metallurgica Sinica(English Letters) 1995年第3期8卷 174-180页

作者： XIE Guoqiang YANG Jijian ZHANG Baisheng li Wendan(china {2. of atomic energy, beijing) china Inst of atomic {2. Beijing China

U 10wt%Zr alloy has been analysed by neutron diffraction method to determine the constituent phases and their crystal *** collected diffraction data are processed using Rietveld' s profile technique (with program“ Fullprof ”). Four phases,α-U,δ, γand α Zr, in the alloy at room temperature and the corresponding volume fractions as well their structural parameters are obtained from the data analysis, For the δ-phase, a partially ordered unusual hexagonal structure of the modified C32.AlB2. type is confirmed.

关键词： U-10wt%Zr alloy neutron diffraction δ-phase

Ultra‑Stable Sodium‑Ion Battery Enabled by All‑Solid‑State Ferroelectric‑Engineered Composite Electrolytes

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Nano-Micro Letters 2024年第11期16卷 704-717页

作者： Yumei Wang Zhongting Wang Xiaoyu Xu Sam Jin An Oh Jianguo Sun Feng Zheng Xiao Lu Chaohe Xu Binggong Yan guangsheng Huang li Lu College of Aerospace Engineering Chongqing UniversityChongqing 400044People’s Republic of China National University of Singapore(Chongqing)Research institute Chongqing 401123People’s Republic of China College of Materials Science and Engineering Chongqing UniversityChongqing 400044People’s Republic of China Department of Mechanical Engineering National University of Singapore9 Engineering Drive 1Singapore 117575Singapore Fujian Key Laboratory of Special energy Manufacturing Xiamen Key Laboratory of Digital Vision MeasurementHuaqiao UniversityXiamen 361021People’s Republic of China

Symmetric Na-ion cells using the NASICON-structured electrodes could simplify the manufacturing process,reduce the cost,facilitate the recycling post-process,and thus attractive in the field of large-scale stationary energy ***,the long-term cycling performance of such batteries is usually *** investigation reveals the unavoidable side reactions between the NASICON-type Na_(3)V_(2.(PO_(4))_(3)(NVP)anode and the commercial liquid electrolyte,leading to serious capacity fading in the symmetric NVP//NVP *** resolve this issue,an all-solid-state composite electrolyte is used to replace the liquid electrolyte so that to overcome the side reaction and achieve high anode/electrolyte interfacial *** ferroelectric engineering could further improve the interfacial ion conduction,effectively reducing the electrode/electrolyte interfacial *** NVP//NVP cell using the ferroelectric-engineered composite electrolyte can achieve a capacity retention of 86.4%after 650 ***,the electrolyte can also be used to match the Prussianblue cathode NaxFeyFe(CN)_(6−z)·nH_(2.O(NFFCN).Outstanding long-term cycling stability has been obtained in the all-solid-state NVP//NFFCN cell over 9000 cycles at a current density of 500 mA g^(-1),with a fading rate as low as 0.005%per cycle.

关键词： Sodium-ion battery NVP anode All-solid-state Cyclic stability Ferroelectric

Exotic structure of the third excited state in^(2.)Na

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Chinese Science Bulletin 2005年第23期50卷 2677-2680页

作者： li Xihan1,2.3, liANG Yujie1,2.3, DENG Fuguo1,2.3, liU Zuhua1,4 & ZHOU Hongyu1,2.3 1. Key Laboratory of Beam Technology and Material Modification of Minister of Education, beijing Normal University, beijing 100875, china 2. institute of Low energy Nuclear Physics, and Department of Material Science and Engineering, beijing Normal University, beijing 100875, china 3. beijing Radiation Center, beijing 100875, china 4. china institute of atomic energy, beijing 102.13, china Key Laboratory of Beam Technology and Material Modification of Minister of Education Beijing Normal University Beijing 100875 China institute of Low energy Nuclear Physics and Department of Material Science and Engineering Beijing Normal University Beijing 100875 China beijing Radiation Center Beijing 100875 China china institute of {2. energy Beijing 102413 China

The probability of the last proton being out of the binding potential, P and the root-mean-square (rms) ra- dius (1/2. of the third excited state in 2.Na are calcu- lated by means of asymptotic normalization coefficie... 详细信息

The probability of the last proton being out of the binding potential, P and the root-mean-square (rms) ra- dius (2.1/2. of the third excited state in 2.Na are calcu- lated by means of asymptotic normalization coefficient (ANC) method with the experimental date existing. The results are P=54.73% and 2.1/2.5.2. fm respectively. The P value and the contribution of the asymptotic part to the 2.1/2.are compared with those of several other low {2. states in 2.Na. It is found that the valence particle in the third excited state has an obvious larger P than those of other states. The density distribution of the valence proton in this state is also compared with the nucleons in the nuclear core 2.Ne, and a far extended tail can be seen clearly. These results show that the third ex- cited state in 2.Na is a proton halo state.

关键词：钠第三激发态外部结构有效半径密度分布渐近标准化系数

Influence of some factors on alpha energy spectrum of^(2.1)Am fire alarm source

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Nuclear Science and Techniques 1999年第1期10卷 11-13页

作者： FENG Gensheng FENG Xinzhan li Shujuan (china {2. of atomic energy, beijing 102.13) china institute of {2. energy Beijing 102413 China

Several primary factors influencing the alpha energy spectrum of 2.1Am fire alarm source have been studied in order to get better alpha energy spectrum. The results show that the homogeneity and the thickness of metal surface coat and the size of active area of the source have considerable influence on the alpha energy spectrum of the source.

关键词：火警 2.1Am警报源 α-能谱

β-delayed proton decays near the proton drip line

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Science china(Physics,Mechanics & Astronomy) 2005年第3期48卷 257-267页

作者： XU Shuwei 1 , li Zhankui 1 , XIE Yuanxiang 1 , HUANG Wenxue 1 , SHU Nengchuan 2., CHEN Yongshou 2., XU Furong 3 , WANG Kun 4 , PAN Qiangyan 1 , WANG Xudong 1 , YU Yong 1 & XING Yebing 1 1. institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, {2. 2. Nuclear Physics Department, {2. institute of atomic energy, beijing 102.13, {2. 3. Department of Technical Physics, Peking University, beijing 100871, {2. 4. Shanghai institute for Nuclear Research, Shanghai 2.1800, {2. 1. institute of Modern Physics Chinese Academy of Sciences 730000 Lanzhou China 2. Nuclear Physics Department China Institute of Atomic Energy 102413 Beijing China 3. Department of Technical Physics Peking University 100871 Beijing China 4. Shanghai institute for Nuclear Research 201800 Shanghai China

We briefly reviewed the experimental study on a-delayed proton decays near the proton drip line published by our group during the period of 1996―2.04, namely the first observation of the a-delayed proton decays of 9 new nuclides in the rare-earth region and the new measurements of a-delayed proton decays of 5 nuclides in the mass ～90 region near the N = Z line with the aid of the “p-?” coincidence in combination with a He-jet tape transport system. In the meantime some important experimental technique details were supplemented. The experimental results, including the half -lives, spins, parities, deformations and production reaction cross sections for the 14 nuclei were summarized and compared with the current nuclear-model predictions, and then the following points were represented. (1) The experimental half-lives for 85Mo and 92.h as well as the predicted “waiting point” nuclei 89Ru and 93Pd are 5―10 times longer than the theoretical predictions given by M?ller et al. using a macroscopic-microscopic model. It considerably influences the predictions of the abundances of the nuclides produced in the rp-process. (2. The current-model predictions are not consistent with the experimental assignments of the spins and parities for the proton drip-line nuclei 142.o and 12.Pm. However, the nuclear potential energy surface (PES) calculated by using a Woods- Saxon-Strutinsky method reproduced the experimental results. (3) The Alice code overestimated the production reaction cross sections of the studied 9 rare-earth nuclei by one order of magnitude or two, while HIVAP code overestimated them by one order of magnitude approximately.

关键词： proton drip line, β-delayed proton decay, He-jet tape transport system, "p-γ" coincidence, spin, parity, deformation, production reaction cross section.

Determination of ^(79)Se with accelerator mass spectrometry technique

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Chinese Science Bulletin 1997年第1期42卷 30-33页

作者： JIANG Songsheng, JIANG Shan, li Chunsheng, HE Ming, WU Shaoyong and li SiIin{2. institute of atomic energy, beijing 102.13, {2. china institute of {2. energy Beijing China

So far accelerator mass spectrometry （AMS） technique has been used for the determination of numbers of important long-lived radioisotopes, such as 10Be, 14C, 2.Al, 36Cl, 41Ca and 12.I, in their applications of geoscienee, environmental science, archaeology and biomedical research. It is interesting to determine 79Se with AMS technique for its potential application in biomedical research and environmental science presently. The published half-life values of 79Se are more than 2.orders of magnitude apart, ranging from 103 to 106 a. The uncertainty of the half life has been an obstacle to the 79Se application as a tracer. Selenium is one of the impor-

关键词： accelerator mass spectrometry 79Se half life.

CHARACTERISTICS　OF　THE　FRACTALS　APPEARED　ON　ALUMINIUM　FOIL　IRRADIATED　BY　INTENSE　RELATIVISTIC　ELECTRON　BEAM

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中国科学院大学学报(中英文) 1995年第1期 27-40页

作者： Gao Huai-lin Pan Yu-li ({2. institute of atomic energy, beijing 102.13)

ＣＨＡＲＡＣＴＥＲＩＳＴＩＣＳＯＦＴＨＥＦＲＡＣＴＡＬＳＡＰＰＥＡＲＥＤＯＮＡＬＵＭＩＮＩＵＭＦＯＩＬＩＲＲＡＤＩＡＴＥＤＢＹＩＮＴＥＮＳＥＲＥＬＡＴＩＶＩＳＴＩＣＥＬＥＣＴＲＯＮＢＥＡＭ￥ＧａｏＨｕａｉ－ｌｉｎ；Ｐ... 详细信息

ＣＨＡＲＡＣＴＥＲＩＳＴＩＣＳＯＦＴＨＥＦＲＡＣＴＡＬＳＡＰＰＥＡＲＥＤＯＮＡＬＵＭＩＮＩＵＭＦＯＩＬＩＲＲＡＤＩＡＴＥＤＢＹＩＮＴＥＮＳＥＲＥＬＡＴＩＶＩＳＴＩＣＥＬＥＣＴＲＯＮＢＥＡＭ￥ＧａｏＨｕａｉ－ｌｉｎ；ＰａｎＹｕ－ｌｉ（ＣｈｉｎａＩｎｓｔ...

关键词： fractal fractal dimension inertial confinement fusion

干化—焚烧工艺处理炼化企业固体废物工程实践

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化工环保 2024年第4期44卷 595-600页

作者：李广生中海油研究总院有限责任公司北京100028

采用干化—焚烧工艺处理广东石化炼化一体化项目生产过程和污水处理过程中所产生的含油污泥和生化污泥,介绍了干化—焚烧装置的工艺流程、设计特点和运行情况。结果表明:干化—焚烧工艺能够实现大型炼化企业污泥及危险废物的减量化、无... 详细信息

采用干化—焚烧工艺处理广东石化炼化一体化项目生产过程和污水处理过程中所产生的含油污泥和生化污泥,介绍了干化—焚烧装置的工艺流程、设计特点和运行情况。结果表明:干化—焚烧工艺能够实现大型炼化企业污泥及危险废物的减量化、无害化和稳定化;处理过程中产生的废水送至厂区内污水处理厂进行达标处理,所排放的烟气经脱硫、脱硝和除尘后,满足《危险废物焚烧污染控制标准》(GB 18484—2.2.)的要求,炉渣和飞灰送至满足环保资质要求的填埋场进行填埋。该装置的建设和运行对大型炼化一体化企业固体废物的处理处置具有借鉴意义。

关键词：固体废物污泥回转窑干化焚烧

Investigation on Systematic Trend of Shape Evolution for the Os Nuclei

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Investigation on Systematic Trend of Shape Evolution for the...