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| 1 | Progress of Jinping Underground laboratory for Nuclear Astrophysics(JUNA)显示文摘Jinping Underground laboratory for Nuclear Astrophysics(JUNA) will take the advantage of the ultra-low background of CJPL lab and high current accelerator based on an ECR source and a highly sensitive detector to directly study for the first time a number of crucial reactions occurring at their relevant stellar energies during the evolution of hydrostatic stars. In its first phase, JUNA aims at the direct measurements of^(25)Mg(p,γ)^(26)Al,^(19)F(p,α)^(16)O,^(13)C(α,n)^(16)O and ^(12)C(α,γ)^(16)O reactions. The experimental setup,which includes an accelerator system with high stability and high intensity, a detector system, and a shielding material with low background, will be established during the above research. The current progress of JUNA will be given. | WeiPing Liu ZhiHong Li JiangJun He XiaoDong Tang Gang Lian Zhu An JianJun Chang Han Chen QingHao Chen XiongJun Chen ZhiJun Chen BaoQun Cui XianChao Du ChangBo Fu Lin Gan Bing Guo GuoZhu He Alexander Heger SuQing Hou HanXiong Huang Ning Huang BaoLu Jia LiYang Jiang Shigeru Kubono JianMin Li KuoAng Li Tao Li YunJu Li Maria Lugaro XiaoBing Luo HongYi Ma ShaoBo Ma DongMing Mei YongZhong Qian JiuChang Qin Jie Ren YangPing Shen Jun Su LiangTing Sun WanPeng Tan Isao Tanihata Shuo Wang Peng Wang YouBao Wang Qi Wu ShiWei Xu ShengQuan Yan LiTao Yang Yao Yang XiangQing Yu Qian Yue Sheng Zeng HuanYu Zhang Hui Zhang LiYong Zhang NingTao Zhang QiWei Zhang Tao Zhang XiaoPeng Zhang XueZhen Zhang ZiMing Zhang Wei Zhao Zuo Zhao Chao Zhou | 2016 | Science China(Physics,Mechanics & Astronomy)2016，59，4： | 3 |
| 2 | Reliability evaluation on sense-switch p-channel flash显示文摘In this paper,the reliability of sense-switch p-channel flash is evaluated extensively.The endurance result indicates that the p-channel flash could be programmed and erased for more than 10000 cycles;the room temperature read stress shows negligible influence on the p-channel flash cell;high temperature data retention at 150℃ is extrapolated to be about 5 years and 53 years corresponding to 30% and 40% degradation in the drive current,respectively.Moreover,the electrical parameters of the p-channel flash at different operation temperature are found to be less affected.All the results above indicate that the sense-switch p-channel flash is suitable to be used as the configuration cell in flash-based FPGA. | Side Song Guozhu Liu Hailiang Zhang Lichao Chao Jinghe Wei Wei Zhao Genshen Hong Qi He | 2021 | Journal of Semiconductors2021，42，8： | 2 |
| 3 | The C_(6)D_(6)detector system on the Back-n beam line of CSNS显示文摘Introduction The neutron capture cross sections are very important in the field of nuclear device design and basic physics research.Hydrogen-free liquid scintillator such as C_(6)D_(6)detectors are widely used in the neutron capture cross-sectional measurements for the low neutron sensitivity and fast time response.The Back-n white neutron source at China Spallation Neutron Source is the first spallation white neutron source in China,and it is suitable for neutron capture cross-sectional measurement.Materials and methods A C_(6)D_(6)detector system was built in the Back-n experimental station.The pulse height weighting technique was used to determine the system’s detection efficiency.The response to gamma rays of the C_(6)D_(6)detector was measured,and the energy resolution function was determined.Monte Carlo simulation with Geant4 code was carried out to get the weighting function of this C_(6)D_(6)detector system.Additionally,the systematic uncertainty of the weighting function was also determined.Conclusion According to the experimental and simulation results,this C_(6)D_(6)detector system can be used to measure neutron capture cross section. | Jie Ren Xichao Ruan Jie Bao Guangyuan Luan Wei Jiang Qi An Huaiyong Bai Ping Cao Qiping Chen Yonghao Chen Pinjing Cheng Zengqi Cui Ruirui Fan Changqing Feng Minhao Gu Fengqin Guo Changcai Han Zijie Han Guozhu He Yongcheng He Yuefeng He Hanxiong Huang Weiling Huang Xiru Huang Xiaolu Ji Xuyang Ji Haoyu Jiang Hantao Jing Ling Kang Mingtao Kang Bo Li Lun Li Qiang Li Xiao Li Yang Li Yang Li Rong Liu Shubin Liu Xingyan Liu Yinglin Ma Changjun Ning Binbin Qi Zhaohui Song Hong Sun Xiaoyang Sun Zhijia Sun Zhixin Tan Hongqing Tang Jingyu Tang Pengcheng Wang Qi Wang Taofeng Wang Yanfeng Wang Zhaohui Wang Zheng Wang Jie Wen Zhongwei Wen Qingbiao Wu Xiaoguang Wu Xuan Wu Likun Xie Yiwei Yang Han Yi Li Yu Tao Yu Yongji Yu Guohui Zhang Jing Zhang Linhao Zhang Liying Zhang Qingmin Zhang Qiwei Zhang Xianpeng Zhang Yuliang Zhang Zhiyong Zhang Yingtan Zhao Liang Zhou Zuying Zhou Danyang Zhu Kejun Zhu Peng Zhu | 2019 | Radiation Detection Technology and Methods2019，3，3： | 1 |
| 4 | Optimization of Oil Extraction Conditions from Watermelon Seeds by Response Surface Methodology显示文摘Response surface methodology was used to optimize the extraction conditions of oil from watermelon seeds. Based on single factor experiments,the material to liquid ratio,extraction time and extraction solvent exhibited the highest effects on oil extraction. The mathematical model was established according to the Box-Behnken central composite design. The optimal extraction conditions consisted of a material to liquid ratio of 1∶ 16. 3( g / ml),an extraction time of 45. 4 min,and petroleum ether as the organic solvent. The predicted and actual yields of watermelon seed oil were 27. 92% and 28. 04%,respectively. The extracted oil was analyzed by GC-MS. The results revealed that watermelon seed oil contained several types of acids and esters; the relative percentages of the components were determined by a normalization method. The main fatty acids included linoleic acid,palmitic acid,oleic acid,and stearic acid,which accounted for 91. 24% of the total components. | Wenwen ZHANG Guozhu HE Xifeng YIN Liming ZHANG Yiqing ZHUANG | 2014 | Agricultural Biotechnology2014，3，6： | 1 |
| 5 | Principle of limitation of physical quantities and cyclic universe显示文摘A close study of Heisenberg uncertainty principles reveals many significant facts,and all four major physical quantities,energy,time,momentum and length,have both lower and upper limits.Now,many questions come up.What are these limits?Some answers may lead to the understanding of the development of our universe.What is the shortest limit of time?At the beginning of big bang,there exists a tre-mendously short time,the Planck time.This may be just the shortest time limit in our universe.The longest time limit might be the lifetime of our universe.The longest length might be the final diameter of our expanding universe.All these lead to a finite universe.Two more coupling formulae are formed for the other two pairs of physical quantities,mass and speed,thermal energy and temperature.These four physical quantities must also have limits.We already knew that speed has upper limit and temperature has lower limit.By these two formulae,Planck and Einstein equations are derived directly.Since most other physical quantities are somewhat related to these major physical quantities,it seems that there exists a principle of limitation of physical quantities.A quantitative sketch of big bang is described.It also shows that our universe will contract back to another big bang.The principle of limitation opens up some fields of investigation.It may bring nature back to the harmony and determined world described by classical physics. | HE GuoZhu Department of Physics,Nankai University,Tianjin 300071,China | 2008 | Science China(Physics,Mechanics & Astronomy)2008，51，5： | 1 |
| 6 | ∑HfF_5^- current monitoring with off-axis Faraday cup in AMS measurement of ^(182)Hf at CIAE显示文摘In order to reduce the systematic uncertainties caused by the sequential injection in AMS measurement of ^(182)Hf,a technique for instantaneous monitoring of off-axis∑HfF_5^- current was developed in the AMS laboratory at China Institute of Atomic Energy(CIAE).The stability and reliability of this method have been experimentally verified.As a result,the accuracy for AMS measurement of^(182)Hf was significantly improved. | LI Zhenyu HE Ming DONG Kejun LI Chaoli HE Guozhu HE Xianwen ZHANG Wei HU Hao ZHENG Guowen LI Heng WU Shaoyong JIANG Shan | 2012 | Nuclear Science and Techniques2012，23，4： | 1 |
| 7 | Detector development at the Back-n white neutron source显示文摘Purpose Back-n is a white neutron beamline at China spallation neutron source,which was established in the year of 2018.It is a powerful facility for nuclear data measurement,neutron detector calibration,and radiation effect research.Method A series of detectors were built for different experiments,including beam monitoring,beam profile measurement,neutron induced secondaries(fission fragments,light charged particles and gamma)cross section measurement,and neutron resonance radiography,etc.A common digitization electronics and a cluster-based DAQ were developed for these detector systems.Most detectors have been employed at Back-n and serviced for experiments from the beginning of the beamline running.Results and conclusion As an overview of detectors of Back-n,the details of the detector design and the experiment performing are described in this paper.Some developing systems,e.g.,MTPC and B-MCP,are also included. | Fan Ruirui Li Qiang Bao Jie Li Yang Liu Rong Jiang Wei Ren Jie Zhang Qiwei Cao Ping Gu Minhao Ren Zhizhou Yi Han Tang Jingyu An Qi Bai Haofan Bai Jiangbo Chen Qiping Chen Yonghao Chen Zhen Cui Zengqi Fan Anchuan Feng Changqing Feng Fanzhen Gao Keqing Han Changcai Han Zijie He Guozhu He Yongcheng Hong Yang Hu Yiwei Huang Hanxiong Jia Weihua Jiang Haoyu Jiang Zhijie Jin Zhengyao Kang Ling Li Bo Li Chao Li Gong Li Jiawen Li Xiao Liu Jie Liu Shubin Luan Guangyuan Ning Changjun Qi Binbin Ruan Xichao Song Zhaohui Sun Kang Tan Zhixin Tang Shengda Wang Pengcheng Wang Zhaohui Wen Zhongwei Wu Xiaoguang Wu Xuan Xie Likun Yang Yiwei Yu Yongji Zhang Guohui Zhang Linhao Zhang Mohan Zhang Xianpeng Zhang Yuliang Zhang Yue Zhang Zhiyong Zhao Maoyuan Zhou Luping Zhou Zhihao Zhu Kejun The CSNS Back-n Collaboration | 2023 | Radiation Detection Technology and Methods2023，7，2： | 0 |
| 8 | The α Transfer Effect on Sub-barrier Fusion of Heavy Ions显示文摘Theαtransfer effect on sub-barrier fusion is calculated for^(16)O+^(148)Sm system by using the linear combination of nuclear orbits theory.The coupling between elastic scattering channel andαtransfer reaction channel causes the enhancement of the fusion cross section at sub-barrier energies. | SHEN Hong HE Guozhu | 1993 | Chinese Physics Letters1993，10，2： | 0 |
| 9 | A Classical Chiral Invariant Theory Method of N-N Interaction显示文摘Within the framework of meson exchange theory,the N-N interaction is derived by a classical field method from a chiral σ-ω model.The nuclear potential derived is similar to the ordinary one boson exchange potential. | QI Lijie HE Guozhu | 1991 | Chinese Physics Letters1991，8，9： | 0 |
| 10 | Design of Neutron Absorber for Gamma Total Absorption Facility显示文摘Gamma Total Absorption Facility(GTAF)will be used to accurately measure the cross section of neutron capture by prompt gamma meth-od.As shown in Fig.1,cascade gamma rays emitted by the compound nucleus of capture reaction between sample and neutron,which are recorded by the surrounded BaF2detector.Neutron scattered by the sample will enter the BaF2 detector and the surrounding materials to produce the background of gamma rays. | ZHANG Qiwei LUAN Guangyuan HE Guozhu | 2018 | 中国原子能科学研究院年报2018，，1： | 0 |
| 11 | Alpha Transfer Effects in Oxygen Burning Reactions in Highly Evolved Stars | Li, Lei Shen, Hong Ning, Pingzhi He, Guozhu | 1995 | Chinese journal of nuclear physics1995，，4： | 0 |
| 12 | 6-2 Recent Progress of the SSC-Linac显示文摘SSC-Linac[1] as the injector for the Separated Sector Cyclotron (SSC), is being constructed at national labo-ratory Heavy Ion Research Facility at Lanzhou (HIRFL). The injection and extraction energy are 3.7 keV/u and1.025 MeV/u, respectively. Fig. 1 shows the front end section of the SSC-Linac. The high charges state continuswave (CW) 4-rod RFQ has been designed and fabricated for some years. From the end of 2013, the commissioningof the RFQ was performed and the beam test was carried out in April 2014. In this paper the experiment resultwill be presented. | Yin Xuejun Yuan Youjin Zhang Xiaohu Lu Wang Du Heng Li Xiaoni Jiang Peiyong Li Zhongcan Wang Haonin Yang Yaqing Ma Lizhen Xu Zhe Zhang Xuezhen Sun Liangting Yao Qinggao Meng Jun Cai Guozhu He Yuan Zhao Hongwei Xia Jiawen Liu Ge Lu Yuanrong Zhu Kun Gao Shuli Yan Xueqing Chen Jiaer | 2014 | IMP & HIRFL Annual Report2014，，1： | 0 |
| 13 | Trigger System for γ-ray Total Absorption BaF2 Facility显示文摘The γ-ray total absorption facility(GTAF)is designed to measure the cross-sections of theneutron radioactive capture reactions by online method,in which the data acquisition system is developed based on the flash analog-to-digital converter(FADC).The digital total waveform acquisition method is used.The trigger | HE Guozhu PENG Meng SHI Bin ZHANG Qiwei LUO Hong BAO Jie LI Xia RUAN Xichao NIE Yangbo HUANG Hanxiong REN Jie ZHOU Zuying TANG Hongqing | 2017 | Annual Report of China Institute of Atomic Energy2017，，1： | 0 |
| 14 | Study on Neutron Capture Reaction Cross-section Measurement显示文摘Theγ-ray total absorption BaF2facility was constructed to measure the neutron capture crosssection with high precision.An neutron source experimental condition of keV energy range was set up through the ~7Li(p,n)7Be reaction,based on the HI-13tandem accelerator providing the pulsed proton beam.The lithium target for | HE Guozhu SHI Bin ZHANG Qiwei RUAN Xichao NIE Yangbo HUANG Hanxiong REN Jie ZHOU Zuying TANG Hongqing | 2017 | Annual Report of China Institute of Atomic Energy2017，，1： | 0 |
| 15 | Design of Neutron Source Based on HI-13 Tandem Accelerator显示文摘Neutron source of keV energy range will be built via ~7Li(p,n)~7Be reaction based on pulsed proton beam of HI-13tandem accelerator at China Institute of Atomic Energy.HI-13tandem accelerator can provide frequency of 6 MHz,pulse width of 2ns,average beam intensity of about 1μA,and the lowest end voltage of 3 | ZHANG Qiwei HE Guozhu SHI Bin RUAN Xichao ZHOU Zuying WANG Yali | 2017 | Annual Report of China Institute of Atomic Energy2017，，1： | 0 |
| 16 | Matrix-assisted laser desorption ionization mass spectrometry based quantitative analysis of cordycepin from Cordyceps militaris显示文摘Cordycepin,which has great immunomodulatory activities such as anticancer,antifungal,antivirus,antileukemia and lipid-lowering ones,is the secondary metabolite of Cordyceps militaris(C.militaris).Liquid submerged fermentation is the common cultivation process to produce cordycepin.To optimize the fermentation process and improve production,monitoring the cordycepin secretion in the fermentation is essential.The measurement based on chromatography-mass spectrometry methods is generally involved in the complex sample pretreatments and time-consuming separation,so more rapid and convenient methods are required.Matrix-assisted laser desorption ionization mass spectrometry(MALDI-MS)is more attractive for faster and direct detection.Therefore,MALDI-MS detection combined with isotope-labeled internal standard was applied to the measurement of cordycepin content in the fermentation broth and mycelium.This method made accurate quantification of cordycepin in the range of 5-400μg/mL with a relative standard deviation of 5.6%.The recovery rates of fermentation samples after the 1,13,and 25 days were 90.15%,94.27%,and 95.06%,respectively.The contents of cordycepin in the mycelium and fermentation broth were 136 mg/g and 148.39 mg/mL on the 20 th culture day,respectively.The cordycepin secretion curve of the liquid fermentation of C.militaris was real-time traced over 25 days. | Jian Chen Hai-Fang Li Guozhu Zhao Jin-Ming Lin Xiangwei He | 2021 | Journal of Pharmaceutical Analysis2021，11，4： | 0 |
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