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Stability of (p,Y)-Operator Frames

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Journal of Mathematical Research and Exposition 2011年第3期31卷 535-544页

作者： Zhi Hua GUO Huai Xin CAO jun cheng yin College of Mathematics and Information Science Shaan.vi Normal University Shaanxi 710062 P. R. China College of Science China Jiliang University Zhejiang 310018 P. R. China

In this paper we study the stability of（p,Y）-operator *** firstly discuss the relations between p-Bessel sequences（or p-frames） and（p,Y）-operator Bessel sequences（or（p,Y）-operator frames）.Through defining a new union,we prove that adding some elements to a given（p,Y）-operator frame,the resulted sequence will be still a（p,Y）-operator *** obtain a necessary and sufficient condition for a sequence of compound operators to be a（p,Y）operator ***,we show that（p,Y）-operator frames for X are stable under some small perturbations.

关键词： p-frame (p Y)-operator Bessel sequence (p Y)-operator frame perturbation Banach space.

Comparison on Immune Efficacy of Avian Influenza Virus Re-5 Strain and SS Strain in Guangxi Sanhuang Chickens

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Animal Husbandry and Feed Science 2011年第5期3卷 23-25,29页

作者： LU Cai-xia LI jun-cheng HE yin-e Guangxi Agricultural College Nanning 530007 China

[ Objective] To compare immune efficacy of avian influenza virus （AIV） Re-5 strain （HSN1 subtype） and SS strain （ H9 subtype） in Guangxi Sanhuang chickens. [Method] A total of 180 Sanhuang chickens were selected from a breeding chicken farm in Guilin City of Guangxi and assigned into four groups （ n = 45）. At 145 days old, the chickens in the group I and II were respectively inoculated with AIV Re-5 strain and AIV SS strain, but they were kept in cages separately. The two control groups were not inoculated. Antibody levels were determined at 170 days old. [ Result] The level of antibodies against AIV Re-5 strain was significantly higher in the chickens of the group I and group II than in the corresponding control groups, respectively （ P 〈 0.01 ）. The level of antibodies against AIV SS strain was not significantly different between the group I and its control group or between the group II and its control group. [ Conclusion] The antibody level of chickens can be increased by the AIV Re-5 strain but not by the AIV SS strain.

关键词： Guangxi Sanhuang chickens H5 vaccine H9 vaccine Immune efficacy

Investigating Müller glia reprogramming in mice: a retrospective of the last decade, and a look to the future

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Neural Regeneration Research 2025年第4期20卷 946-959页

作者： Zhiyuan yin Jiahui Kang Xuan cheng Hui Gao Shujia Huo Haiwei Xu Key Lab of Visual Damage and Regeneration&Restoration of Chongqing Southwest Eye HospitalSouthwest HospitalThird Military Medical University(Army Medical University)ChongqingChina

Müller glia,as prominent glial cells within the retina,plays a significant role in maintaining retinal homeostasis in both healthy and diseased *** lower vertebrates like zebrafish,these cells assume responsibility for spontaneous retinal regeneration,wherein endogenous Müller glia undergo proliferation,transform into Müller glia-derived progenitor cells,and subsequently regenerate the entire retina with restored ***,Müller glia in the mouse and human retina exhibit limited neural reprogramming.Müller glia reprogramming is thus a promising strategy for treating neurodegenerative ocular disorders.Müller glia reprogramming in mice has been accomplished with remarkable success,through various *** in molecular,genetic,epigenetic,morphological,and physiological evaluations have made it easier to document and investigate the Müller glia programming process in ***,there remain issues that hinder improving reprogramming efficiency and ***,understanding the reprogramming mechanism is crucial toward exploring factors that will improve Müller glia reprogramming efficiency,and for developing novel Müller glia reprogramming *** review describes recent progress in relatively successful Müller glia reprogramming *** also provides a basis for developing new Müller glia reprogramming strategies in mice,including epigenetic remodeling,metabolic modulation,immune regulation,chemical small-molecules regulation,extracellular matrix remodeling,and cell-cell fusion,to achieve Müller glia reprogramming in mice.

关键词： cell fusion chemical small-molecules epigenetic extracellular matrix immune metabolic mice Müller glia neurodegenerative diseases reprogramming retina regeneration

采用广义似然比检测的肌肉收缩起始时刻判断算法

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中国生物医学工程学报 2012年第2期31卷 198-202页

作者：徐琦程俊银周慧杨磊华中科技大学控制科学与工程系图像处理与智能控制教育部重点实验室武汉430074 华中科技大学同济医学院公共卫生学院武汉430030

肌电假肢利用残肢残存肌肉的肌电信号实行对假肢的控制。对于低信噪比的残肢表面肌电,本研究采用广义似然比检测方法判断肌肉收缩起始时刻,其中判别阈值与肌电信号信噪比有关。针对不同信噪比的模拟肌电信号,采用离线仿真方法得到肌肉... 详细信息

肌电假肢利用残肢残存肌肉的肌电信号实行对假肢的控制。对于低信噪比的残肢表面肌电,本研究采用广义似然比检测方法判断肌肉收缩起始时刻,其中判别阈值与肌电信号信噪比有关。针对不同信噪比的模拟肌电信号,采用离线仿真方法得到肌肉收缩起始时刻检测误差最小的判别阈值,得到信噪比-经验阈值拟合曲线,确定信噪比与阈值的对应关系;根据肌电信噪比由阈值拟合曲线得到判别阈值,采用似然比检测算法在线分析肌肉收缩的起始时刻。与传统算法比较,对于模拟肌电信号,本算法误差均值和标准差分别减小35%和43%;对于真实肌电信号,误差均值和标准差分别减少29%和23%。可见在小信噪比条件下广义似然比检测算法判断肌肉收缩起始时刻较传统算法更为准确。

关键词：肌电信号广义似然比检测法判决阈值肌肉收缩

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并联式混合动力城市客车最优转矩分配策略

上海交通大学学报 2009年第10期43卷 1536-1540页

作者：黄援军殷承良张建武上海交通大学机械工程与动力工程学院上海200240

以一种带有单向超越离合器和机械式自动变速器的并联式混合动力城市客车为研究对象,提出一种逻辑门限转矩分配策略和瞬时优化相结合的优化控制策略.逻辑门限转矩分配策略实现了混合动力系统各种不同工作模式的实时控制以及模式间的动态... 详细信息

以一种带有单向超越离合器和机械式自动变速器的并联式混合动力城市客车为研究对象,提出一种逻辑门限转矩分配策略和瞬时优化相结合的优化控制策略.逻辑门限转矩分配策略实现了混合动力系统各种不同工作模式的实时控制以及模式间的动态切换,引入将产生或消耗的电能转化为等效燃油消耗的瞬时优化算法,进一步提升混合动力系统的整体工作效率.仿真结果表明,提出的控制策略能够有效地控制混合动力系统在高效率区工作,显著提高目标样车的燃油经济性.

关键词：混合动力总成最优控制策略实时控制逻辑门限值

Advancements and Challenges in Organic–Inorganic Composite Solid Electrolytes for All‑Solid‑State Lithium Batteries

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Nano-Micro Letters 2025年第1期17卷 46-97页

作者： Xueyan Zhang Shichao cheng Chuankai Fu Geping yin Liguang Wang Yongmin Wu Hua Huo State Key Laboratory of Space Power‑Sources School of Chemistry and Chemical EngineeringHarbin Institute of TechnologyHarbin 150001People’s Republic of China College of Chemical and Biological Engineering Zhejiang UniversityHangzhou 310058People’s Republic of China State Key Laboratory of Space Power-Sources 2965 Dongchuan RoadMinhang DistrictShanghai 200240People’s Republic of China

To address the limitations of contemporary lithium-ion batteries,particularly their low energy density and safety concerns,all-solid-state lithium batteries equipped with solid-state electrolytes have been identified as an up-and-coming *** the various SEs,organic–inorganic composite solid electrolytes(OICSEs)that combine the advantages of both polymer and inorganic materials demonstrate promising potential for large-scale ***,OICSEs still face many challenges in practical applications,such as low ionic conductivity and poor interfacial stability,which severely limit their *** review provides a comprehensive overview of recent research advancements in ***,the influence of inorganic fillers on the main functional parameters of OICSEs,including ionic conductivity,Li+transfer number,mechanical strength,electrochemical stability,electronic conductivity,and thermal stability are systematically *** lithium-ion conduction mechanism of OICSE is thoroughly analyzed and concluded from the microscopic ***,the classic inorganic filler types,including both inert and active fillers,are categorized with special emphasis on the relationship between inorganic filler structure design and the electrochemical performance of ***,the advanced characterization techniques relevant to OICSEs are summarized,and the challenges and perspectives on the future development of OICSEs are also highlighted for constructing superior ASSLBs.

关键词： Composite solid electrolytes Inorganic filler Interfacial stability Li-ion conduction mechanism Characterization techniques

Observation of topological charge transformations in acoustic vortex using passive periodic systems

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Science China(Physics,Mechanics & Astronomy) 2025年第1期Mechanics & Astronomy) .卷 140-147页

作者： Di-Chao Chen Xie Liu Changqing Xu Da-Jian Wu ying cheng Xiao-jun Liu School of Physics and Technology Nanjing Normal University Key Laboratory of Modern Acoustics School of Physics Nanjing University

Vortex transmutation utilizes a periodic system, which not only enables the alteration of the topological charge(TC) of unstable input vortices but also facilitates their transformation into stable structures. This approach is crucial for investigating the characteristics of vortices in various wave systems. Here, we achieve acoustic vortex TC transmutation by employing a welldesigned dual-structured plate external system(DPES). The interactions between the acoustic vortex and the finite-order discrete rotational symmetry lead to the transformation of its topological charge when complete rotational symmetry is broken to Nthorder discrete symmetry. Our results experimentally demonstrate the acoustic vortex TC transmutation based on passive artificial structures, enabling numerous applications in particle manipulation and information multiplexing as well as advancing our understanding and control over free-space acoustic vortices.

关键词： acoustic vortex topological charge transformation artificial structure

理论探索二维X_(2)UO_(4)(X=K,Rb,Cs)的力学特征、电子结构和声子输运特征

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原子与分子物理学报 2025年第2期42卷 143-150页

作者：程钧湖北医药学院研究生院十堰442000

本文用基于密度泛函理论的第一性原理计算方法,研究了三种建议的二维材料X_(2)UO_(4)(X=K,Rb,Cs)的稳定性、弹性、电子结构和声子振动特性.计算结果显示,三种材料同时具备较好的热力学、动力学和机械稳定性.电子结构表明,三种材料属于... 详细信息

本文用基于密度泛函理论的第一性原理计算方法,研究了三种建议的二维材料X_(2)UO_(4)(X=K,Rb,Cs)的稳定性、弹性、电子结构和声子振动特性.计算结果显示,三种材料同时具备较好的热力学、动力学和机械稳定性.电子结构表明,三种材料属于宽禁带间接半导体,其计算能隙分别是3.90、3.79和3.42 eV,并且在300 K时有着71.31-174.23 cm^(2)/Vs的电子迁移率.声子输运特性表明,三种材料的声子色散均没有虚频出现,声学模和低频光学模呈现强烈耦合,且有着低频率low-lying声子,这使得材料具备很强的声子非谐效应、低声子群速度和强声子散射率,从而表现出很低晶格热导率,在300 K温度下时仅为0.16-0.19 W/mK.这些特性表明,二维X_(2)UO_(4)(X=K,Rb,Cs)在纳米电子和热电器件领域具备应用潜力.

关键词：二维材料能带迁移率声子热导率

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效应代数上态射的注记

数学学报（中文版） 2009年第5期52卷 957-960页

作者：陆玲曹怀信陈峥立银俊成陕西师范大学数学与信息科学学院西安710062 西安陆军学院军事运筹教研室西安710108

研究了效应代数上的态、态射和单同态的一些重要性质和给了它们的刻画;对于可加映射φ:E→F,证明了φ是一个态射当且仅当φ(a′)=(φ(a))′(■a∈E);φ是一个单同态当且仅当φ是反保序的,即φ(a)≤φ(b)■a≤b。最后,证明了:如果(P,≤)... 详细信息

研究了效应代数上的态、态射和单同态的一些重要性质和给了它们的刻画;对于可加映射φ:E→F,证明了φ是一个态射当且仅当φ(a′)=(φ(a))′(■a∈E);φ是一个单同态当且仅当φ是反保序的,即φ(a)≤φ(b)■a≤b。最后,证明了:如果(P,≤)是一个偏序集且以0为最小元、1为最大元,φ是从P到[0,1]的一族映射且满足一定条件,则在P上存在部分二元运算⊕,使得(P,0,1,⊕)成为一个效应代数且以φ为一个序决定态系统。

关键词：效应代数可加映射态射