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Radiation Detection technology and Methods 2024年第1期8卷 I0003-I0016,1-1091页

作者： Waleed Abdallah Tiago Carlos Adorno de Freitas Konstantin Afanaciev Shakeel Ahmad Ijaz Ahmed Xiaocong Ai Abid Aleem Wolfgang Altmannshofer Fabio Alves Weiming An Rui An Daniele Paolo Anderle Stefan Antusch Yasuo Arai Andrej Arbuzov Abdesslam Arhrib Mustafa Ashry Sha Bai Yu Bai Yang Bai Vipul Bairathi Csaba Balazs Philip Bambade Yong Ban Tripamo Bandyopadhyay Shou-Shan Bao Desmond P.Barber Ayse Bat Varvara Batozskaya Subash Chandra Behera Alexander Belyaev Michele Bertucci Xiao-Jun Bi Yuanjie Bi Tianjian Bian Fabrizio Bianchi Thomas Biekotter Michela Biglietti Shalva Bilanishvili Deng Binglin Denis Bodrov Anton Bogomyagkov Serge Bondarenko Stewart Boogert Maarten Boonekamp Marcello Borri Angelo Bosotti Vincent Boudry Mohammed Boukidi Igor Boyko Ivanka Bozovic Giuseppe Bozzi Jean-Claude Brient Anastasiia Budzinskaya Masroor Bukhari Vladimir Bytev Giacomo Cacciapaglia Hua Cai Wenyong Cai Wujun Cai Yijian Cai Yizhou Cai Yuchen Cai Haiying Cai Huacheng Cai Lorenzo Calibbi Junsong Cang Guofu Cao Jianshe Cao Antoine Chance Xuejun Chang Yue Chang Zhe Chang Xinyuan Chang Wei Chao Auttakit Chatrabhuti Yimin Che Yuzhi Che Bin Chen Danping Chen Fuqing Chen Fusan Chen Gang Chen Guoming Chen Hua-Xing Chen Huirun Chen Jinhui Chen Ji-Yuan Chen Kai Chen Mali Chen Mingjun Chen Mingshui Chen Ning Chen Shanhong Chen Shanzhen Chen Shao-Long Chen Shaomin Chen Shiqiang Chen Tianlu Chen Wei Chen Xiang Chen Xiaoyu Chen Xin Chen Xun Chen Xurong Chen Ye Chen Ying Chen Yukai Chen Zelin Chen Zilin Chen Gang Chen Boping Chen Chunhui Chen Hok Chuen Cheng Huajie Cheng Shan Cheng Tongguang Cheng Yunlong Chi Pietro Chimenti Wen Han Chiu Guk Cho Ming-Chung Chu Xiaotong Chu Ziliang Chu Guglielmo Coloretti Andreas Crivellin Hanhua Cui Xiaohao Cui Zhaoyuan Cui Brunella D'Anzi Ling-Yun Dai Xinchen Dai Xuwen Dai Antonio De Maria Nicola De Filippis Christophe De La Taille Francesca De Mori Chiara De Sio Elisa Del Core Shuangxue Deng Wei-Tian Deng Zhi Deng Ziyan Deng Bhupal Dev Tang Dewen Biagio Di Micco Ran Ding Siqin Dingl Yadong Ding Haiyi Dong Jianin AGH university of Science and technology Faculty of Physics and Applied Computer ScienceKrakow Anhui university HefeiAnhui applied physics Department Federal Urdu University of ArtsScience and TechnologyIslamabad Banaras Hindu university Institute of ScienceVaranasi Bandirma Onyedi Eylul university Bandirma Beihang university Beijing Beijing Computational Science Research Center Beijing Beijing Conveyi LTD Beijing Beijing Glass Research institute Co. LtdBeijing Beijing institute of technology Beijing Beijing Normal university Beijing Brown university ProvidenceRI Budker institute of Nuclear physics Novosibirsk Cadi Ayyad university Laboratory of Fundamental and Applied PhysicsPolydisciplinary FacultyMarrakech Cairo university Giza Center for Theory and Computation National Tsing Hua UniversityHsinchu Central china Normal university WuhanHubei Central South university ChangshaHunan Centro de Fisica Teorica de Particulas Universidade Tecnica de LisboaLisboa Chengdu KaitengSifang Digital Radio&TV Equipment Co. LtdChengduSichuan china academy of engineering physics MianyangSichuan china building materials academy Beijing china Center of Advanced Science and technology Beijing china institute of Atomic Energy Beijing china Jiliang university HangzhouZhejiang china Nuclear Instrument CO. LTDBeijing china university of Geosciences Beijing china university of Geosciences WuhanHubei china university of Mining and {2. XuzhouJiangsu china West Normal university NanchongSichuan Chongqing university Department of PhysicsChongqing Chulalongkorn university Bangkok City university of Hong Kong Department of PhysicsHong Kong Cockcroft institute Daresbury Cornell university IthacaNY CPPM(AMU/IPhU&CNRS/INP) Marseille Dalian Minzu university DalianLiaoning Dalian university of technology Department of PhysicsDalian Deutsches Elektronen-Synchrotron DESY Hamburg Dzhelepov Laboratory of Nuclear Problems of Joint institute for Nuclear Research(DLNP JINR) Dubna East china university Of Science And Technol

The Circular Electron Positron Collider(CEPC)is a large scientific project initiated and hosted by china,fostered through extensive collaboration with international *** complex comprises four accelerators:a 30 GeV Linac,a 1.1 GeV Damping Ring,a Booster capable of achieving energies up to 180 GeV,and a Collider operating at varying energy modes(Z,W,H,and tt).The Linac and Damping Ring are situated on the surface,while the subterranean Booster and Collider are housed in a 100 km circumference underground tunnel,strategically accommodating future expansion with provisions for a potential Super Proton Proton Collider(SPPC).The CEPC primarily serves as a Higgs *** its baseline design with synchrotron radiation(SR)power of 30 MW per beam,it can achieve a luminosity of 5×10^(34)cm^(-2.s^(-1)per interaction point(IP),resulting in an integrated luminosity of 13 ab^(-1)for two IPs over a decade,producing 2.6 million Higgs *** the SR power to 50 MW per beam expands the CEPC's capability to generate 4.3 million Higgs bosons,facilitating precise measurements of Higgs coupling at sub-percent levels,exceeding the precision expected from the HL-LHC by an order of *** Technical Design Report(TDR)follows the Preliminary Conceptual Design Report(Pre-CDR,2.15)and the Conceptual Design Report(CDR,2.18),comprehensively detailing the machine's layout,performance metrics,physical design and analysis,technical systems design,R&D and prototyping efforts,and associated civil engineering ***,it includes a cost estimate and a preliminary construction timeline,establishing a framework for forthcoming engineering design phase and site selection *** is anticipated to begin around 2.2.-2.2.,pending government approval,with an estimated duration of 8 *** commencement of experiments and data collection could potentially be initiated in the mid-2.30s.

关键词： initiated exceeding precise

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Synthesis of biochar/clay mineral nanocomposites using oil shale semi-coke waste for removal of organic pollutants

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Biochar 2023年第1期5卷 123-143页

作者： Feng Zhao Bin Mu Tenghe Zhang Chunjuan Dong Yongfeng Zhu Li zong Aiqin wang Key Laboratory of Clay Mineral applied Research of Gansu Province Center of Eco-Materials and Green ChemistryLanzhou Institute of Chemical PhysicsChinese Academy of SciencesLanzhouPeople’s Republic of China Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of SciencesBeijing 100049China.

Due to the poor surface/interfacial interaction and the large gaps in the size and microstructure between biomass and clay mineral,it was difficult to adjust the structure and performance of biochar/clay mineral composites at the molecular ***,oil shale semi-coke composed of multi-minerals and organic matters was used as a promising precursor to prepare biochar/clay mineral nanocomposites via phosphoric acid-assisted hydrothermal treatment followed by KOH activation for removal of organic pollutants from aqueous *** results revealed that the nanocomposites presented well-defined sheet-like morphology,and the carbon species uniformly anchored on the surface of clay *** the changes in the pore structure,surface charge and functional groups after two-step modification,the nanocomposites exhibited much better adsorption property toward organic pollutants than the raw oil shale semi-coke,and the maximum adsorption capacities of methylene blue,methyl violet,tetracycline,and malachite green were 165.30 mg g^(−1),159.02.mg g^(−1),145.89 mg g^(−1),and 2.37.36 mg g^(−1),*** adsorption mechanisms involved electrostatic attraction,π-πstacking and hydrogen *** five consecutive adsorption-desorption,there was no obvious decrease in the adsorption capacity of malachite green,exhibiting good cyclic regeneration *** is expected to provide a feasible strategy for the preparation of biochar/clay mineral nanocomposites with the excellent adsorption performances for removal of organic pollutants based on full-component resource utilization of oil shale semi-coke.

关键词： Oil shale semi-coke Clay mineral Biochar nanocomposites Adsorption mechanism Solid waste resource utilization

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Ionospheric TEC and plasma anomalies possibly associated with the 14 July 2.19 M_(w) 7.2.Indonesia Laiwui earthquake,from analysis of GPS and CSES data

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Earth and Planetary physics 2022年第4期6卷 313-328页

作者： YuanZheng Wen Dan Tao GuangXue wang JiaYi zong JinBin Cao Roberto Battiston ZhiMa ZeRen XuHui Shen Key Laboratory of Earth Exploration and Information Techniques of Ministry of Education Chengdu University of TechnologyChengdu 610059China School of Geophysics Chengdu University of TechnologyChengdu 610059China School of space and Environment Beihang UniversityBeijing 100191China Dipartimento di Fisica Universitàdi TrentoTrento 38123Italy Trento institute for Fundamental physics and Applications(TIFPA) National Institute for Nuclear Physics(INFN)Trento 34136Italy National institute of Natural Hazards Ministry of Emergency Management of ChinaBeijing 100085China

This study presents signatures of seismo-ionospheric perturbations possibly related to the 14 July 2.19 M_(w)7.2.Laiwui earthquake,detected by a cross-validation analysis of total electron content(TEC)data of the global ionospheric map(GIM)from GPS and plasma parameter data recorded by the china Seismo-Electromagnetic Satellite(CSES).After separating pre-seismic ionospheric phenomena from the ionospheric disturbances due to the magnetospheric and solar activities,we have identified three positive temporal anomalies,around the epicenter,at 1 day,3 days and 8 days before the earthquake(14 July 2.19),along with a negative anomaly 6 days after the *** results agree well with the TEC spatial variations in latitude-longitude-time(LLT)*** confirm these anomalies further,we employed the moving mean method(MMM)to analyze ionospheric plasma parameters(electron,O^(+) and He^(+) densities)recorded by the Langmuir probe(LAP)and Plasma Analyzer Package(PAP)onboard the *** analysis detected on,on Day Two,Day Four,and Day Seven before the earthquake,remarkable enhancements along the orbits around when in proximity to the *** make the investigations still more convincing,we compared the orbits on which anomalous readings were recorded to their corresponding four nearest revisiting orbits;the comparison did indeed indicate the existence of plasma parameter anomalies that appear to be associated with the Laiwui *** these results ilustrate that the unusual ionospheric perturbations detected through GPS and CSES data are possibly associated with the M_(w)7.2.Laiwui earthquake,which suggests that at least some earthquakes may be predicted by alertness to pre-seismic ionospheric anomalies over regions known to be at seismic *** case study also contributes additional information of value to our understanding of lithosphere-atmosphere-ionosphere coupling.

关键词： seismo-ionospheric perturbations CSES sallite ionosphere earthquake

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里德伯原子幻零波长

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物理学报 2024年第13期73卷 85-92页

作者：刘智慧刘逍娜何军刘瑶苏楠蔡婷杜艺杰王杰英裴栋梁王军民山西大学光电研究所量子光学与光量子器件国家重点实验室太原030006 山西大学物理电子工程学院太原030006 山西大学极端光学协同创新中心太原030006 航天恒星科技有限公司天地一体化信息技术国家重点实验室北京100095 中国船舶航海保障技术实验室天津300131 天津市量子精密测量技术重点实验室天津300131

原子极化率反映其对外场的响应特性,动态极化率等于零的外场波长称为零极化或幻零(tune-out)波长.里德伯原子的tune-out波长计算较为困难,本文设计室温气室里德伯原子测量装置,基于调幅电磁感应透明(amplitude modulation electromagnet... 详细信息

原子极化率反映其对外场的响应特性,动态极化率等于零的外场波长称为零极化或幻零(tune-out)波长.里德伯原子的tune-out波长计算较为困难,本文设计室温气室里德伯原子测量装置,基于调幅电磁感应透明(amplitude modulation electromagnetically induced transparency,AM-EIT)光谱技术实现tune-out波长测量.实验采用双光子级联激发制备铯原子里德伯态,利用阶梯型电磁感应透明(electromagnetically induced transparency,EIT)光谱实现里德伯原子量子态检测;通过微波频率连续扫描测量里德伯原子AM-EIT信号;在tune-out波长处,邻近耦合能级对目标里德伯态的动态极化为零,原子动态Stark效应相消,AM-EIT信号极弱.我们建立简化三能级模型计算tune-out波长,理论与实验结果基本符合.

关键词：里德伯原子铯原子电磁感应透明光谱幻零波长

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Planar Optical Waveguides in KNbO_(3) Formed by MeV B and He Ion Implantation

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Chinese physics Letters 1999年第10期16卷 731-733页

作者： LI Yan XIA zong-luiang SHEN Ding-yu wang Xue-mei ZHAO Qiang MA Xiao-yan SHEN De-zhong wang Kui-ru Department of Technical physics Institute of Heavy Ion PhysicsPeking UniversityBeijing 100871 Research institute of Synthetic Crystals Beijing 100018 Department of applied Science and technology Beijing University of Posts and CommunicationsBeijing 100876

Planar optical waveguides in single crystals of KNbOs were fabricated by MeV B and He ion *** depth profiles of radiation damage in these waveguides were compared and analyzed by high resolution transmission electron *** leaky waveguiding modes(TEo and TMo),which are due to implantation induced increase of rib and nc,were observed in 6.0 MeV B ion implantated waveguides with a dose of 1×10^(15)cm^(-2..

关键词： KNbO_(3) waveguides implantation

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高频率分辨的金刚石氮-空位色心宽频谱成像技术

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物理学报 2024年第6期73卷 339-348页

作者：申圆圆王博柯冬倩郑斗斗李中豪温焕飞郭浩李鑫唐军马宗敏李艳君伊戈尔·费拉基米罗维奇·雅明斯基刘俊中北大学省部共建动态测试技术国家重点实验室太原030051 中北大学半导体与物理学院太原030051 中北大学量子传感与精密测量山西省重点实验室太原030051 太原工业学院电子工程系太原030008 日本大阪大学工学研究科大阪5650871 俄罗斯国立莫斯科大学先进技术中心莫斯科119311

高分辨率宽频谱测量技术在天文学、无线通信、医学成像等领域具有重要应用价值.金刚石氮-空位(nitrogen-vacancy,NV)色心因其高稳定性、高灵敏度、实时监测、单点探测以及适用于长时间测量等特性已成为频谱分析仪备受关注的选择.目前,基... 详细信息

高分辨率宽频谱测量技术在天文学、无线通信、医学成像等领域具有重要应用价值.金刚石氮-空位(nitrogen-vacancy,NV)色心因其高稳定性、高灵敏度、实时监测、单点探测以及适用于长时间测量等特性已成为频谱分析仪备受关注的选择.目前,基于NV色心作为探测器的宽频谱分析仪能够在几十GHz频带内进行实时频谱分析,然而其频率分辨率仅达到MHz水平.本文通过搭建结合连续外差技术的量子金刚石微波频谱成像系统,利用磁场梯度对NV色心谐振频率进行空间编码,成功获取了900 MHz—6.0 GHz范围内完整的频谱数据.在可测频谱范围内,系统进一步采用连续外差的方法,同时施加谐振微波和轻微失谐的辅助微波对NV色心进行有效激发,增强了NV磁强计对微弱微波信号的响应.该方法使系统在可测频谱范围内实现了1 Hz的频率分辨率,并能够对间隔为1 MHz扫频步进的多个频点的频率分辨率进行单独测量.以上研究结果表明基于NV色心的宽频谱测量可实现Hz级频率分辨,为未来的频谱分析和应用提供了有力的技术支持.

关键词：氮-空位色心宽频谱测量高频率分辨率

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Observation of multiple charge density wave phases in epitaxial monolayer 1T-VSe_(2. film

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Chinese physics B 2022年第10期31卷 137-145页

作者： Junyu zong Yang Xie Qinghao Meng Qichao Tian wang Chen Xuedong Xie Shaoen Jin Yongheng Zhang Li wang Wei Ren Jian Shen Aixi Chen Pengdong wang Fang-Sen Li Zhaoyang Dong Can wang Jian-Xin Li Yi Zhang National Laboratory of Solid State Microstructure School of PhysicsNanjing UniversityNanjing 210093China Vacuum Interconnected Nanotech Workstation(Nano-X) Suzhou Institute of Nano-Tech and Nano-Bionics(SINANO)Chinese Academy of SciencesSuzhou 215123China Department of applied physics Nanjing University of Science and TechnologyNanjing 210094China Collaborative Innovation Center of Advanced Microstructures Nanjing UniversityNanjing 210093China

As a special order of electronic correlation induced by spatial modulation, the charge density wave(CDW) phenomena in condensed matters attract enormous research interests. Here, using scanning-tunneling microscopy in various temperatures, we discover a hidden incommensurate stripe-like CDW order besides the(■) CDW phase at low-temperature of 4 K in the epitaxial monolayer 1T-VSe_(2. film. Combining the variable-temperature angle-resolved photoemission spectroscopic(ARPES) measurements, we discover a two-step transition of an anisotropic CDW gap structure that consists of two parts △_(1) and△_(2.. The gap part ?1 that closes around ~ 150 K is accompanied with the vanish of the(√7×√3) CDW phase. While another momentum-dependent gap part △_(2. can survive up to ~ 340 K, and is suggested to the result of the incommensurate CDW phase. This two-step transition with anisotropic gap opening and the resulted evolution in ARPES spectra are corroborated by our theoretical calculation based on a phenomenological form for the self-energy containing a two-gap structure △_(1) +△_(2., which suggests different forming mechanisms between the(√7×√3) and the incommensurate CDW phases. Our findings provide significant information and deep understandings on the CDW phases in monolayer 1T-VSe_(2. film as a two-dimensional(2.) material.

关键词： charge density waves VSe_(2. band structures STM ARPES

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Through-space charge transfer blue polymers containing acridan donor and oxygen-bridged triphenylboron acceptor for highly efficient solution-processed organic light-emitting diodes

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Science china Chemistry 2020年第8期63卷 1112-1120页

作者： Fan Chen Jun Hu Xingdong wang Shiyang Shao Lixiang wang Xiabin Jing Fosong wang State Key Laboratory of Polymer physics and Chemistry Changchun Institute of Applied ChemistryChinese Academy of SciencesChangchun 130022China School of applied Chemistry and Engineering University of Science and Technology of ChinaHefei 230026China

Three kinds of through-space charge transfer(TSCT)blue polymers containing non-conjugated polystyrene backbone together with spatially-separated acridan donor and oxygen-bridged triphenylboron acceptors having different substituents of tert-butyl,hydrogen and fluorine are designed and *** designed TSCT blue polymers possess photoluminescence quantum yields up to 70%in solid-state film,single-triplet energy splitting below 0.1 eV,and typical thermally activated delayed fluorescence(TADF)***,the resulting polymers exhibit aggregation-induced emission(AIE)effect with emission intensity increased by up to^2. folds from solution to aggregation *** changing the substituent of acceptors to tune the charge transfer strength,blue emission with peaks from 444 to 480 nm can be realized for the resulting ***-processed organic light-emitting diodes based on the polymers exhibit excellent device performance with Commission Internationale de L’Eclairage(CIE)coordinates of(0.16,0.2.),together with the maximum luminous efficiency of 30.7 cd A-1 and maximum external quantum efficiency of 15.0%,which is the best device efficiency for blue TADF polymers.

关键词： through-space charge transfer thermally activated delayed fluorescence oxygen-bridged triphenylboron electroluminescent polymer organic light-emitting diodes

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Plasma draining and replenishing near a solar active region inferred from cross-correlation between radiation intensity and Doppler shift

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Science china Earth Sciences 2015年第5期58卷 830-838页

作者： ZHANG JingBo HE JianSen YAN LiMei TU ChuanYi wang LingHua wang Xin institute of space {2. and applied technology Peking University

Using observations from the EUV Imaging Spectrometer （EIS） onboard Hinode, we exam the plasma dynamics around the edge of the active region 10977, possibly associated with the source of nascent slow/intermediate solar wind. The correlation between the temporal profiles of the radiation intensity and Doppler shift for each emission line are analyzed. And three small regions with positive correlations for all the five emission lines are selected for a detailed analysis. In this work, Doppler blue （red） shift is defined as negative （positive）. We find that in Region 1, the radiation intensity （Doppler velocity） decreases by about 15% （about 3 km s-X）, and logarithmical differential emission measures （lg（DEMs）） reduces by about 0.06-0.10% at all temperatures, called ＂weak dimming＂, during a 30-min interval. In Region 2.and Region 3, however, the radiation intensity （Doppler velocity） increases by about 15% （about 3 km s-l）, and lg（DEMs） increases by about 0.06%~0.10% at all tempera- tures, called ＂weak brightening＂. Such weak dimming （weak brightening） could reflect a slow draining （replenishing） of plas- ma in the solar wind flux tubes, possibly due to a larger （smaller） outflow flux at high altitude than at low altitude. These sug- gest that the plasma supply could be intermittent with an alternation of draining and replenishing, for which the underlying physical process is yet unknown, at the source region of slow/intermediate solar wind.

关键词： solar corona solar wind active region

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Global weak solutions to Landau-Lifshitz equations into compact Lie algebras

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Frontiers of Mathematics in china 2019年第6期14卷 1163-1196页

作者： zonglin JIA Youde wang institute of applied {2. and Computational Mathematics China Academy of Engineering PhysicsBeijing 100088China College of Mathematics and Information Sciences Guangzhou UniversityGuangzhou 510006China Hua Loo-Keng Key Laboratory of Mathematics Institute of MathematicsAcademy of Mathematics and Systems ScienceChinese Academy of SciencesBeijing 100190China School of Mathematical Sciences University of Chinese Academy of SciencesBeijing 100049China

We consider a parabolic system from a bounded domain in a Euclidean space or a closed Riernannian manifold into a unit sphere in a compact Lie algebra g,which can be viewed as the extension of Landau-Lifshitz(LL)equation and was proposed by *** follow the ideas taken from the work by the second author to show the existence of global weak solutions to the Cauchy problems of such LL equations from an n-dimensional closed Riernannian manifold T or a bounded domain in R^n into a unit sphere Sg(1)in *** particular,we consider the Hamiltonian system associated with the nonlocal energy micromagnetic energy defined on a bounded domain of R^31 and show the initial-boundary value problem to such LL equation without damping terms admits a global weak *** key ingredient of this article consists of the choices of test functions and approximate equations.

关键词： Landau-Lifshitz(LL)equations Lie algebra test functions

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