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Journal of Materials Science & Technology 2008年第6期24卷 863-866页

作者： Jian liN Wenhai HUANG bofang li Chong JIN Changcheng liU Shuhua LEI Zhenrong SUN College of Materials Science and Engineering Tongji University Shanghai 200092 China Key Lab of Optical Magnetic Resonance Spectroscope East China Nomal University Shanghai 200062 China

The quantum effect of nano-crystals is an important factor to improve nonlinear optical performance of nanocrystal embedded glasses, while controlling the size distribution and content of nano-crystals in the glass accurately is a key to obtain good quality. The auxiliary direct current electric field, accompanied with heat treatment, was applied on AgCI containing niobic tellurite glass sheet. The nucleation and crystallization of the glass were well controlled under auxiliary electric field. It was found that the average size of AgCI nano-crystal particles in the glass is smaller than that under single heat treatment, and the content of nano- crystals is higher. Therefore the third-order nonlinear optical performance of the glass was increased a lot. The local-area distributed AgCl nano-crystal particles can also be embedded into a glass sheet by using locally applied electric field.

关键词： Tellurite glass Electric field Nonlinear optical performance

辅助电场下局域分布纳米晶掺杂铌碲酸盐玻璃的制备

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硅酸盐学报 2006年第4期34卷 491-494页

作者：林健李博芳井冲黄文旵同济大学材料科学与工程学院上海200092

利用热处理温度场与辅助电场相匹配的技术,控制含AgCl的铌碲酸盐系统非线性光学玻璃的核化与析晶过程,进而可以精确控制玻璃中AgCl纳米晶体的析出。在300～350℃区域对TeO2–Nb2O5–BaO–AgCl系统玻璃进行辅助电场诱导下的热处理,可以... 详细信息

利用热处理温度场与辅助电场相匹配的技术,控制含AgCl的铌碲酸盐系统非线性光学玻璃的核化与析晶过程,进而可以精确控制玻璃中AgCl纳米晶体的析出。在300～350℃区域对TeO2–Nb2O5–BaO–AgCl系统玻璃进行辅助电场诱导下的热处理,可以获得尺寸均匀的AgCl纳米晶体。在热处理过程中加载电场与否将明显影响析出纳米晶体的尺寸和含量。热处理的同时利用电场的可局域加载的特性,可以在同一块玻璃中控制获得各种局域分布的纳米晶掺杂玻璃。

关键词：铌碲酸盐玻璃辅助电场纳米晶局域分布

谈专科英语专业视听说课教学存在的问题及对策

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山东教育学院学报 2007年第5期22卷 111-114页

作者：李伯芳济宁学院外语系

目前专科英语专业视听说课在实际教学中存在一些问题,本文分析了这些问题并提出相应的策略,旨在探讨如何使视听说课达到预期的教学目标,促进专科英语专业的繁荣发展。

关键词：英语专业视听说课对策

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简述任务型教学的理论与实践(英文)

济宁师范专科学校学报 2004年第4期25卷 105-108页

作者：李伯芳济宁师专外语系山东济宁272025

任务型教学在我国英语教学中已开始使用。本文简要论述了任务是什么 ,任务型教学是什么 ,任务的主要成分和特点 ,任务型教学的三个过程以及好的任务型教学是怎样的。

关键词：任务型教学任务任务型教学的三个过程

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大学英语第二课堂教学新模式探索申请报告

济宁学院学报 2008年第3期29卷 76-78页

作者：李伯芳济宁学院山东曲阜273155

课题组以英语学习理论为基础,通过分析开展新模式大学英语第二课堂教学选题理由,项目基本内容,教学目标,阐述了实施方案,预期成果及项目特色创新点.

关键词：新模式教学第二课堂教学落实措施

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人工智能产业发展的风险分析及对策研究

智能计算机与应用 2017年第3期7卷 106-108,113页

作者：李博方中央财经大学保险学院北京100081

1956年,人工智能的概念正式诞生。几十年来,人类不断享受着这门科学的福荫。但风险暗藏其中。对于人工智能的未来,一方面是人类对行业前景抱有极大的希望,另一方面,是比尔盖茨和史蒂芬霍金等专家对人工智能未来风险的担忧。分析风险并... 详细信息

1956年,人工智能的概念正式诞生。几十年来,人类不断享受着这门科学的福荫。但风险暗藏其中。对于人工智能的未来,一方面是人类对行业前景抱有极大的希望,另一方面,是比尔盖茨和史蒂芬霍金等专家对人工智能未来风险的担忧。分析风险并研究对策显得极为重要,认识新世界的风险规律是为人工智能的风险提供保障的基础,采取有效措施预防风险是人工智能产业健康发展的关键。本文介绍了国内外人工智能产业发展的相关政策与行业现状,并对人工智能产业发展过程中可能带来的伦理风险、技术风险、军事风险以及异化风险深入分析,最后在传统风险管理原则的基础上对防范风险提出创新性建议,探索应对风险的有效措施,使其更好地造福人类。

关键词：人工智能风险保障风险分析对策

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配电开关柜辅助作业机器人应用研究

电气自动化 2019年第2期41卷 113-115页

作者：罗佳李伯方黎立崔顺炬广东电网有限责任公司清远供电局广东清远511515 国机智能科技有限公司广东广州510535

随着电网设备的不断增多和变电站自动化、安全性要求的不断提高,电网对于辅助作业机器人的需求不断增加。对配电开关柜辅助作业机器人进行了研究,设计了机器人的运动控制系统和双目识别系统。机器人能够通过激光雷达和惯性测量单元对位... 详细信息

随着电网设备的不断增多和变电站自动化、安全性要求的不断提高,电网对于辅助作业机器人的需求不断增加。对配电开关柜辅助作业机器人进行了研究,设计了机器人的运动控制系统和双目识别系统。机器人能够通过激光雷达和惯性测量单元对位置进行精确定位和最优路径规划,通过6自由度的机械臂能够完成开关柜的开断作业以及断路器的取出放入,通过实时检测配电柜的运行参数,对开关柜运行状态进行监控,及时处理设备故障隐患,提高了设备安全稳定运行的能力。

关键词：开关柜辅助作业机器人最优路径双目视觉

Constraints on holographic QCD phase transitions from PTA observations

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Science China(Physics,Mechanics & Astronomy) 2025年第1期Mechanics & Astronomy) .卷 71-78页

作者： Song He li li Sai Wang Shao-Jiang Wang Center for Theoretical Physics and College of Physics Jilin University School of Physical Science and Technology Ningbo University Max Planck Institute for Gravitational Physics (Albert Einstein Institute) CAS Key Laboratory of Theoretical Physics Institute of Theoretical Physics Chinese Academy of Sciences School of Fundamental Physics and Mathematical Sciences Hangzhou Institute for Advanced StudyUniversity of Chinese Academy of Sciences (UCAS) School of Physical Sciences University of Chinese Academy of Sciences (UCAS) Theoretical Physics Division Institute of High Energy Physics Chinese Academy of Sciences

The underlying physics of QCD phase transition in the early Universe remains largely unknown due to its strong-coupling nature during the quark-gluon plasma/hadron gas transition, yet a holographic model has been proposed to quantitatively fit the lattice QCD data while with its duration of the first-order phase transition(FoPT) left undetermined. At specific baryon chemical potential, the first-order QCD phase transition agrees with the observational constraint of baryon asymmetry. It, therefore, provides a scenario for phase transition gravitational waves(GWs) within the standard model of particle physics. If these background GWs could contribute dominantly to the recently claimed common-spectrum red noise from pulsar timing array(PTA) observations, the duration of this FoPT can be well constrained, and the associated primordial black holes are still allowed by current observations.

关键词： pulsar timing array QCD phase transition gravitational waves primordial black holes

Cell polarization in ischemic stroke: molecular mechanisms and advances

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Neural Regeneration Research 2025年第3期20卷 632-645页

作者： Yuanwei li Xiaoxiao Xu Xuan Wu Jiarui li Shiling Chen Danyang Chen Gaigai li Zhouping Tang Department of Neurology Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhanHubei ProvinceChina

Ischemic stroke is a cerebrovascular disease associated with high mortality and disability rates. Since the inflammation and immune response play a central role in driving ischemic damage, it becomes essential to modulate excessive inflammatory reactions to promote cell survival and facilitate tissue repair around the injury site. Various cell types are involved in the inflammatory response, including microglia, astrocytes, and neutrophils, each exhibiting distinct phenotypic profiles upon stimulation. They display either proinflammatory or anti-inflammatory states, a phenomenon known as ‘cell polarization.’ There are two cell polarization therapy strategies. The first involves inducing cells into a neuroprotective phenotype in vitro, then reintroducing them autologously. The second approach utilizes small molecular substances to directly affect cells in vivo. In this review, we elucidate the polarization dynamics of the three reactive cell populations(microglia, astrocytes, and neutrophils) in the context of ischemic stroke, and provide a comprehensive summary of the molecular mechanisms involved in their phenotypic switching. By unraveling the complexity of cell polarization, we hope to offer insights for future research on neuroinflammation and novel therapeutic strategies for ischemic stroke.

关键词： astrocyte polarization immune regulation inflammation ischemic injury microglia polarization neutrophil polarization signaling pathways stroke

Design of a cationic accelerator enabling ultrafast ion diffusion kinetics in aqueous zinc-ion batteries

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Journal of Energy Chemistry 2025年第1期100卷 377-384页

作者： Yawei Xiao Qianqian Gu Haoyu li Mengyao li Yude Wang National Center for International Research on Photoelectric and Energy Materials School of Materials and Energy Yunnan University Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources School of Chemistry and Chemical Engineering Hainan University College of Chemical Engineering Fuzhou University Yunnan Key Laboratory of Carbon Neutrality and Green Low-carbon Technologies Yunnan University

Aqueous zinc-ion batteries are highly favored for grid-level energy storage owing to their low cost and high safety,but their practical application is limited by slow ion *** address this,a strategy has been developed to create a cation-accelerating electric field on the surface of the cathode to achieve ultrafast Zn2+diffusion *** employing electrodeposition to coat MoS2on the surface of BaV6O16·3H2O nanowires,the directional built-in electric field generated at the heterointerface acts as a cation accelerator,continuously accelerating Zn2+diffusion into the active *** optimized Zn2+diffusion coefficient in CC@BaV-6O16·3H2O@MoS2(7.5×10～8cm2s-1) surpasses that of most reported V-based ***,MoS2serving as a cathodic armor extends the cycling life of the Zn-CC@BaV6O16·3H2O@MoS2full batteries to over 10000 *** work provides valuable insights into optimizing ion diffusion kinetics for high-performance energy storage devices.

关键词： Internal electric field Cationic accelerator Ion diffusion kinetics Cathode modification strategy Aqueous zinc ion battery