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PandaX-xT——A deep underground multi-ten-tonne liquid xenon observatory

Science China(Physics,Mechanics & Astronomy) 2025年第2期68卷 105-120页

作者： Abdusalam Abdukerim Zihao Bo Wei Chen Xun Chen Chen Cheng Zhaokan Cheng Xiangyi Cui Yingjie Fan Deqing Fang Lisheng Geng Karl Giboni Linhui Gu Xunan Guo Xuyuan Guo Zhichao Guo Chencheng Han Ke Han Changda He Jinrong He Di Huang Junting Huang Zhou Huang Ruquan Hou Yu Hou Xiangdong Ji Yonglin Ju Chenxiang Li Jiafu Li Mingchuan Li Shuaijie Li Tao Li Qing Lin Jianglai Liu Congcong Lu Xiaoying Lu Lingyin Luo Yunyang Luo Wenbo Ma Yugang Ma Yajun Mao Yue Meng Xuyang Ning Binyu Pang Ningchun Qi Zhicheng Qian Xiangxiang Ren Nasir Shaheed Xiaofeng Shang Xiyuan Shao Guofang Shen Lin Si Wenliang Sun Yi Tao Anqing Wang Meng Wang Qiuhong Wang Shaobo Wang Siguang Wang Wei Wang Xiuli Wang Xu Wang Zhou Wang Yuehuan Wei Mengmeng Wu Weihao Wu Yuan Wu Mengjiao Xiao Xiang Xiao Binbin Yan Xiyu Yan Yong Yang Chunxu Yu Ying Yuan Zhe Yuan Youhui Yun Xinning Zeng Minzhen zhang Peng zhang shibo zhang Shu zhang Tao zhang Wei zhang Yang zhang Yingxin zhang Yuanyuan zhang Li Zhao Jifang Zhou Ning Zhou Xiaopeng Zhou Yong Zhou Yubo Zhou Zhizhen Zhou New Cornerstone Science Laboratory Tsung-Dao Lee InstituteShanghai Jiao Tong UniversityShanghai 200240China School of Physics and Astronomy Shanghai Jiao Tong UniversityKey Laboratory for Particle Astrophysics and Cosmology(MoE)Shanghai Key Laboratory for Particle Physics and CosmologyShanghai 200240China Shanghai Jiao Tong University Sichuan Research Institute Chengdu 610213China School of Physics Sun Yat-sen UniversityGuangzhou 510275China Sino-French Institute of Nuclear Engineering and Technology Sun Yat-sen UniversityZhuhai 519082China Department of Physics Yantai UniversityYantai 264005China Key Laboratory of Nuclear Physics and Ion-beam Application(MOE) Institute of Modern PhysicsFudan UniversityShanghai 200433China School of Physics Beihang UniversityBeijing 102206China Peng Huanwu Collaborative Center for Research and Education Beihang UniversityBeijing 100191China Beijing Key Laboratory of Advanced Nuclear Materials and Physics Beihang UniversityBeijing 102206China Southern Center for Nuclear-Science Theory(SCNT) Institute of Modern PhysicsChinesen Academy of SciencesHuizhou 516000China Yalong River Hydropower Development Company Ltd.Chengdu 610051China School of Mechanical Engineering Shanghai Jiao Tong UniversityShanghai 200240China Department of Physics University of MarylandCollege ParkMaryland 20742USA State Key Laboratory of Particle Detection and Electronics University of Science and Technology of ChinaHefei 230026China Department of Modern Physics University of Science and Technology of ChinaHefei 230026China Research Center for Particle Science and Technology Institute of Frontier and Interdisciplinary ScienceShandong UniversityQingdao 266237China Key Laboratory of Particle Physics and Particle Irradiation of Ministry of Education Shandong UniversityQingdao 266237China State Key Laboratory of Nuclear Physics and Technology School of PhysicsPeking UniversityBeijing 100871China School of Physics Nankai UniversityTianjin 300071China SJTU Paris Elite I

We propose a major upgrade to the existing PandaX-4T experiment at the China Jinping Underground *** new experiment,PandaX-xT,will be a multi-ten-tonne liquid xenon,ultra-low background,and general-purpose *** full-scaled PandaX-xT contains a 43-t liquid xenon active *** an experiment will significantly advance our fundamental understanding of particle physics and *** sensitivity of dark matter direct detection will be improved by nearly two orders of magnitude compared to the current best limits,approaching the so-called“neutrino floor”for a dark matter mass above 10 GeV/c^(2),providing a key test to the Weakly Interacting Massive Particle *** searching for the neutrinoless double beta decay of^(136)Xe isotope in the detector,the effective Majorana neutrino mass can be measured to a 10-41 meV/c^(2) sensitivity,providing a key test to the Dirac/Majorana nature of *** neutrinos and other ultra-rare interactions can also be measured and searched for with an unprecedented background level,opening up new windows of *** on the findings,PandaX-xT will seek the next stage upgrade utilizing isotopic separation of natural xenon.

关键词： dark matter neutrino less double beta decay astrophysical neutrinos liquid xenon

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Energy-efficient resource management for CCFD massive MIMO systems in 6G networks

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Journal of Systems Engineering and Electronics 2022年第4期33卷 877-886页

作者： SU Yumeng GAO Hongyuan zhang shibo College of Information and Communication Engineering Harbin Engineering UniversityHarbin 150001China

This paper presents a co-time co-frequency fullduplex(CCFD)massive multiple-input multiple-output(MIMO)system to meet high spectrum efficiency requirements for beyond the fifth-generation(5G)and the forthcoming the sixth-generation(6G)*** achieve equilibrium of energy consumption,system resource utilization,and overall transmission capacity,an energy-efficient resource management strategy concerning power allocation and antenna selection is designed.A continuous quantum-inspired termite colony optimization(CQTCO)algorithm is proposed as a solution to the resource management considering the communication reliability while promoting energy conservation for the CCFD massive MIMO *** effectiveness of CQTCO compared with other algorithms is evaluated through *** results reveal that the proposed resource management scheme under CQTCO can obtain a superior performance in different communication scenarios,which can be considered as an eco-friendly solution for promoting reliable and efficient communication in future wireless networks.

关键词： the sixth-generation(6G) massive multiple-input multiple-output(MIMO) co-time co-frequency full-duplex energy-efficient resource management

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Antenna Selection and Power Allocation Design for 5G Massive MIMO Uplink Networks

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China Communications 2019年第4期16卷 1-15页

作者： Hongyuan Gao Yumeng Su shibo zhang Ming Diao College of Information and Communication Engineering Harbin Engineering University

Massive MIMO is one of the key technologies in future 5G communications which can satisfy the requirement of high speed and large capacity. This paper considers antenna selection and power allocation design to promote energy conservation then provide good quality of service(QoS) for the whole massive MIMO uplink network. Unlike previous related works, hardware impairment, transmission efficiency, and energy consumption at the circuit and antennas are involved in massive MIMO networks. In order to ensure the QoS, we consider the minimum rate constraint for each user and the system, which increases the complexity of power allocation problem for maximizing energy and spectral efficiency in massive MIMO system. To this end, a quantum-inspired social emotional optimization(QSEO) algorithm is proposed to obtain the optimal power control strategy in massive MIMO uplink networks. Simulation results assess the great advantages of QSEO which previous strategies do not have.

关键词： 5G massive MIMO antenna selection power allocation quantum-inspiredsocial emotional optimization

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Integrated removal of NO and mercury from coal combustion flue gas using manganese oxides supported on TiO_2

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Journal of Environmental Sciences 2017年第3期29卷 141-150页

作者： shibo zhang Yongchun Zhao Zonghua Wang Junying zhang Lulu Wang Chuguang Zheng State Key Laboratory of Coal Combustion School of Energy and Power EngineeringHuazhong University of Science and Technology Henan Institute of Metallurgy Co. Ltd. Research Center of Quality Inspection Analysis and Test of Henan Academy of Sciences

A catalyst composed of manganese oxides supported on titania （MnOx/TiO2） synthesized by a sol-gel method was selected to remove nitric oxide and mercury jointly at a relatively low temperature in simulated flue gas from coal-fired power plants. The physico-chemical characteristics of catalysts were investigated by X-ray fluorescence （XRF）, X-ray diffraction （XRD）, and X-ray photoelectron spectroscopy （XPS） analyses, etc. The effects of Mn loading, reaction temperature and individual flue gas components on denitration and Hg0 removal were examined. The results indicated that the optimal MrgTi molar ratio was 0.8 and the best working temperature was 240℃for NO conversion. 02 and a proper ratio of [NH3]/[NO] are essential for the denitration reaction. Both NO conversion and Hg0 removal efficiency could reach more than 80% when NO and Hg0 were removed simultaneously using Mn0.8Ti at 240℃. Hg0 removal efficiency slightly declined as the Mn content increased in the catalysts. The reaction temperature had no significant effect on Hg0 removal efficiency. 02 and HCI had a promotional effect on Hg0 removal. SO2 and NH3 were observed to weaken Hg0 removal because of competitive adsorption. NO first facilitated Hg0 removal and then had an inhibiting effect as NO concentration increased without 02, and it exhibited weak inhibition of Hg0 removal efficiency in the presence of 02. The oxidation of Hg0 on MnOx/ TiO= follows the Mars-Maessen and Langmuir-Hinshelwood mechanisms.

关键词： ManganeseTitaniaNitric oxideMercurySCR

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氨基羟基脲与Nd(Ⅲ)及Tb(Ⅲ)的配位化学研究

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原子能科学技术 2025年第2期59卷 282-291页

作者：陈少康杨琪张士博杨雅婷周今郝轩杨素亮田国新中国原子能科学研究院放射化学研究所北京102413 清华大学核能与新能源技术研究院北京100084

4-羟基氨基脲(HSC,本文化学式或结构式中以HL表示)可在Purex流程中作为钚的还原剂使用。本文通过吸收光谱滴定法确定HSC与Nd(Ⅲ)在水溶液中可形成金属离子与配体比例为1∶1、1∶2、1∶3的3种配合物Nd(HL)^(3+)、Nd(HL)_(2)^(3+)和Nd(HL)... 详细信息

4-羟基氨基脲(HSC,本文化学式或结构式中以HL表示)可在Purex流程中作为钚的还原剂使用。本文通过吸收光谱滴定法确定HSC与Nd(Ⅲ)在水溶液中可形成金属离子与配体比例为1∶1、1∶2、1∶3的3种配合物Nd(HL)^(3+)、Nd(HL)_(2)^(3+)和Nd(HL)_(3)^(3+),获得了配合物的稳定常数,并通过电位滴定法对中性分子配位模式进行了验证。采用溶剂挥发方法分别制备了配体、质子化配体的高氯酸盐,以及配体与Nd(Ⅲ)、Tb(Ⅲ)的1∶3配合物(金属离子∶配体)的单晶,并采用X射线衍射单晶结构分析方法测定其结构。在Nd(Ⅲ)和Tb(Ⅲ)配合物晶体中,HSC中性分子的羰基氧原子以及肟基氧原子以螯合的形式与中心金属离子形成五元环配位构型。羰基氧原子和肟基氧原子与中心金属离子配位键键长比较的结果表明,晶体中Nd(HL)_(3)^(3+)配合物HSC分子配位肟基氧原子上的质子未发生解离。通过水溶液中配合物的吸收光谱、[Nd(H_(2)O)_(3)(HL)_(3)]·3ClO_(4)晶体漫反射光谱及其乙腈溶液吸收光谱的比较,结合[Tb(H_(2)O)_(3)(HL)_(3)]·3ClO_(4)晶体及其乙腈溶液的荧光光谱及荧光寿命的测定结果,可推测水溶液中HSC与Nd(Ⅲ)、Tb(Ⅲ)形成的配合物中肟基均不解离质子。

关键词： 4-羟基氨基脲 Nd(Ⅲ) Tb(Ⅲ) 配位化学单晶结构分析荧光寿命测定

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Transient response of carbon nanotube integrated circuits

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Nano Research 2015年第3期8卷 1005-1016页

作者： Panpan zhang Yingjun Yang Tian Pei Chenguang Qiu Li Ding shibo Liang Zhiyong zhang Lianmao Peng ing 100871 China

The speed of frequency response of all published carbon nanotube （CNT） integrated circuits （ICs） is far from that predicted. The transient response of CNT ICs is explored systematically through the combination of experimental and simulation methods. Complementary field-effect-transistor （FET） based inverters were fabricated on a single semiconducting CNT, and the dynamic response measurement indicates that it can only work at an unexpectedly low speed, i.e. with a large propagation delay of 30 }_ts. Owing to the larger output resistance of CNT FETs, the existence of parasitic capacitances should induce much larger resistive-capacitive （RC） delay than that in Si ICs. Through detailed analysis combining simulation and experimental measurements, several kinds of parasitic capacitances dragging down the actual speed of CNT FET ICs are identified one by one, and each of them limits the speed at different levels through RC delay. It is found that the parasitic capacitance from the measurement system is the dominant one, and the large RC delay lowers the speed of CNT FETs logic circuits to only several kHz which is similar to the experimental results. Various optimized schemes are suggested and demonstrated to minimize the effect of parasitic capacitances, and thus improve the speed of CNT ICs.

关键词： type keywordscarbon nanotube field-effect-transistors (CNTFETs) transient response parasitic capacitance propagation delay digital circuits

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A Sound Guideline and Action Plan for Chinas Military Reform A Review of Chairman Xi jinping＇s Speech at the Conference of the CPC Central Military Commission on Military Reform

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Qiu Shi 2016年第3期8卷 108-112页

作者： zhang shibo

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ATP11B deficiency leads to impairment of hippocampal synaptic plasticity

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Journal of Molecular Cell Biology 2019年第8期11卷 688-702页

作者： Jiao Wang Weihao Li Fangfang Zhou Ruili Feng Fushuai Wang shibo zhang Jie Li Qian Li Yajiang Wang Jiang Xie Tieqiao Wen Laboratory of Molecular Neural Biology School of Life Sciences Shanghai University Shanghai 200444 China School of Computer Engineering and Science Shanghai University Shanghai 200444 China

Synaptic plasticity is known to regulate and support signal transduction between neurons, while synaptic dysfunction contributes to multiple neurological and other brain disorders;however, the specific mechanism underlying this process remains unclear. In the present study, abnormal neural and dendritic morphology was observed in the hippocampus following knockout of Atpllb both in vitro and in vivo. Moreover, ATP11B modified synaptic ultrastructure and promoted spine remodeling via the asymmetrical distribution of phosphatidylserine and enhancement of glutamate release, glutamate receptor expression, and intracellular Ca^2+ concentration. Fuithermoe experimental results also indicate that ATP11B regulated synaptic plasticity in hippocampal neurons through the MAPK14 signaling pathway. In conclusion, our data shed light on the possible mechanisms underlying the regulation of synaptic plasticity and lay the foundation for the exploration of proteins involved in signal transduction during this process.

关键词： ATP11B synaptic plasticity glutamate receptors MAPK14 signaling pathway

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Impact of human activities on the long-term change and seasonal variability of Ebinur Lake,Northwest China

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Science China Earth Sciences 2025年第2期68卷 473-486页

作者： Haoxin DENG Qiuhong TANG Zhidong zhang Xingcai LIU Gang ZHAO shibo CUI Zhiping zhang Shuai SHAO Jianbao LIU Fahu CHEN Key Laboratory of Water Cycle and Related Land Surface Processes Institute of Geographic Sciences and Natural Resources ResearchChinese Academy of SciencesBeijing 100101China University of Chinese Academy of Sciences Beijing 100049China State Key Laboratory of Hydroscience and Engineering Department of Hydraulic EngineeringTsinghua UniversityBeijing 100084China School of Geography Nanjing Normal UniversityNanjing 210023China Group of Alpine Paleoecology and Human Adaptation(ALPHA) State Key Laboratory of Tibetan Plateau Earth SystemEnvironment and Resources(TPESER)Institute of Tibetan Plateau ResearchChinese Academy of SciencesBeijing 100101China

Inland lakes in arid Central Asia are particularly susceptible to the impact of climate change and human *** Lake,the largest salt inland lake in Xinjiang,Northwest China,has experienced rapid shrinkage,with human activities identified as the primary influencing ***,it remains unclear how human water use in different sectors,such as irrigation,husbandry,and industry,is responsible for the long-term change and seasonal variability of the lake area under changing *** study aims to address this knowledge gap by developing an integrated hydrological-socioeconomic-lake model that simulates the changes in the Ebinur Lake area during the period of 1950–*** simulated lake area changes under different model experiments were then compared with separate the impacts of climate change and human water use of different *** results indicate that climate change,irrigation,husbandry,and industry water uses have contributed+5%,-79%,-25%,and-1%of the long-term change in the lake area,*** climate change alone increasing the lake area,the increase in human water use has resulted in the persistent decline of Ebinur ***,husbandry water use emerges as a significant contributor to lake shrinkage,accounting for approximately one-third of the impact of ***,irrigation water use has contributed to the enhanced seasonal variability,as indicated by the difference between the maximum and minimum monthly lake area in a *** difference has increased from 120 km2in the 1950s to 183 km2in the 2010s.

关键词： Ebinur Lake Climate change Irrigation Seasonal variability Hydrological-socioeconomic-lake model

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基于固-液纳米发电机的润滑油水分检测

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分析试验室 2025年第1期44卷 1-8页

作者：李招招吴伟强江欣张世波张梅王广翔张彬大连海事大学轮机工程学院大连116026 河北建投海上风电有限公司唐山063600 大连海事局长兴岛海事处大连116001

本研究以润滑油为研究对象,应用固-液纳米发电机技术,设计了一种非侵入式润滑油水分双重检测单元传感器。当双检测单元的2个输出信号中的1个峰值达到对应的阈值时,便可实现润滑油水分的高效检测。通过多物理场仿真模拟和实验研究,阐述... 详细信息

本研究以润滑油为研究对象,应用固-液纳米发电机技术,设计了一种非侵入式润滑油水分双重检测单元传感器。当双检测单元的2个输出信号中的1个峰值达到对应的阈值时,便可实现润滑油水分的高效检测。通过多物理场仿真模拟和实验研究,阐述了检测单元的工作原理。通过采集非侵入式润滑油水分双重检测单元传感器的输出性能,研究了传感器检测电极长度、液体流动速度以及润滑油中水分对输出性能的影响。结果显示,润滑油中水分含量与输出性能呈正相关,该传感器可以检测0.250%~1.000%的低水分含量。最后,通过实验验证了该传感器的稳定性和可重复性,输出性能最大误差为0.19%,为润滑油水分检测提供了一种新方法。

关键词：非入侵式检测在线检测润滑油分析机械故障诊断纳米发电机

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