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Observations of the solar corona during the total solar eclipse on 21 August 2017

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Earth and Planetary Physics 2017年第1期1卷 68-71页

作者： Hui Tian ZhongQuan Qu YaJie Chen LinHua Deng ZhengHua Huang Hao Li Yue Zhong Yu Liang JingWen Zhang YiGong Zhang BaoLi Lun XiangMing Cheng XiaoLi Yan ZhiKe Xue yuxin xin ZhiMing Song YingJie Zhu Tanmoy Samanta School of Earth and Space Sciences Peking University Yunnan Observatories Chinese Academy of Sciences Shandong Provincial Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment Institute of Space Sciences Shandong University

The Sun’s tenuous outer atmosphere,the corona,emits only about one-millionth as much light as the solar *** ancient times the corona was observed by human beings only during total solar eclipses,when the strong emiss... 详细信息

关键词： solar corona solar eclipse solar magnetic fields coronal heating

基于轮式移动机器人的无刷直驱电机控制优化配置

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江苏科技信息 2017年第34期34卷 40-41页

作者：辛玉欣硅湖职业技术学院机电和信息工程系河北保定215332

基于差动驱动和转向的轮式移动机器人,文章根据基本物理定律,由电机磁路结构推导出了瓦片形永磁体径向励磁的模型,进一步从影响硬件的极数、槽数、组分、排列等设置进行考虑,结合轮式移动机器人的实质指标要求提出可行性方案。该方案通... 详细信息

基于差动驱动和转向的轮式移动机器人,文章根据基本物理定律,由电机磁路结构推导出了瓦片形永磁体径向励磁的模型,进一步从影响硬件的极数、槽数、组分、排列等设置进行考虑,结合轮式移动机器人的实质指标要求提出可行性方案。该方案通过计算验证,在不变换硬件的情况下改用无刷电动机绕组使机器人增强起动力,结果具有实用价值。

关键词：电机机器人 ANSYS算法优化配置

Diagenetic Alteration Modes of the Deep Formation of Paleogene of Chezhen Depression,Bohai Bay Basin

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地学前缘 2009年第S1期16卷 132-132页

作者： Jing Yuan,yuxin Guo,xin Chen College of Geoscience and Information,China University of Petroleum,Qingdao 266555,China.

The deep buried clastic formation of Paleogene is an important hydrocarbon reservoir in the Chezhen *** are two types of diagenetic alteration modes in *** first mode is weak compaction, strong cementation,fracturing and weak dissolution in the sandstone and conglomerate on the steep slope of the *** reservoirs are cemented mainly by carbonate minerals strongly。

关键词： diagenesis diagenetic alteration mode porosity evolution deep formation Paleogene Chezhen depression Bohai Bay basin

中华耳鼻咽喉头颈外科杂志第十一届编辑委员会第一次全体会议纪要

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中华耳鼻咽喉头颈外科杂志 2018年第3期53卷 238-240页

作者：方神房玉新金昕李静高洁中华医学会耳鼻咽喉头颈外科杂志编辑部北京100710

2017年12月7—8日，中华耳鼻咽喉头颈外科杂志第十一届编辑委员会第一次全体会议在厦门亚洲海湾大酒店隆重召开，与会专家共162人。中华医学会副会长刘雁飞、中华医学会杂志社总编魏均民出席了会议。

关键词：中华医学会杂志社耳鼻咽喉头颈外科编辑委员会会议大酒店

Recent progress in constructing fluorinated solid-electrolyte interphases for stable lithium metal anodes

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International Journal of Minerals,Metallurgy and Materials 2025年第2期32卷 270-291页

作者： Di Zhang Pengfei Lv Wei Qin xin He Yuanhua He Civil Aircraft Fire Science and Safety Engineering Key Laboratory of Sichuan Province College of Civil Aviation Safety EngineeringCivil Aviation Flight University of ChinaGuanghan 618307China School of Chemical Engineering Sichuan UniversityChengdu 610065China

Lithium metal batteries(LMBs)are emerging as a promising energy storage solution owing to their high energy density and specific ***,the non-uniform plating of lithium and the potential rupture of the solid-electrolyte interphase(SEI)during extended cycling use may result in dendrite growth,which can penetrate the separator and pose significant short-circuit *** a stable SEI is essential for the long-term operation of the ***-rich SEI has garnered significant attention for its ability to effectively passivate electrodes,regulate lithium deposition,and inhibit electrolyte *** the structural components and preparation methods of existing fluorinated SEI is crucial for optimizing lithium metal anode *** paper reviews the research on optimizing LiF passivation interfaces to protect lithium metal *** focuses on four types of compositions in fluorinated SEI that work synergistically to enhance SEI *** instance,combining compounds with LiF can further enhance the mechanical strength and ionic conductivity of the *** metals with LiF significantly improves electrochemical performance at the SEI/anode interface,with a necessary focus on reducing electron tunneling ***,incorporating polymers with LiF offers balanced improvements in interfacial toughness and ionic conductivity,though maintaining structural stability over long cycles remains a critical area for future *** alloys combined with LiF increase surface energy and lithium affinity,challenges such as dendrite growth and volume expansion *** summary,this paper emphasizes the crucial role of interfacial structures in LMBs and offers comprehensive guidance for future design and development efforts in battery technology.

关键词： LiF lithium metal anodes solid-electrolyte interphase interface cycling stability

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一种基于Canny算子的图像边缘检测方法

信息与电脑 2017年第18期29卷 37-38,41页

作者：辛玉欣王传洋苏州大学江苏苏州215332

边缘检测即是通过一定算法得到清晰、完整的图像轮廓。用Canny算子提取图像边缘特征应用得十分广泛,其提取图像边缘特征的步骤为:先通过图像预处理对图像信息进行平滑去噪;再用高斯滤波器确定图像梯度的幅值与方向;接下来用非极大值抑... 详细信息

边缘检测即是通过一定算法得到清晰、完整的图像轮廓。用Canny算子提取图像边缘特征应用得十分广泛,其提取图像边缘特征的步骤为:先通过图像预处理对图像信息进行平滑去噪;再用高斯滤波器确定图像梯度的幅值与方向;接下来用非极大值抑制的方法确定边缘点;然后采用双域值法检测并连接目标边缘;最后过滤边缘干扰信息,以去除伪边缘。Canny算子有较好的边缘检测性能,可以有效抑制噪声信号及去除伪边缘。

关键词：边缘检测 Canny算子非极大值抑制双阈值法

基于ASCOM和Modbus/TCP协议的天文圆顶控制系统

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天文研究与技术 2017年第3期14卷 356-362页

作者：和寿圣辛玉新伦宝利范玉峰中国科学院云南天文台云南昆明650011

圆顶是天文望远镜系统的重要外围设备,随着望远镜技术的发展,圆顶控制技术得到不断进步。为实现云南天文台自动差分像运动大气视宁度监测仪完全自动化,开发了一套基于ASCOM和Modbus/TCP协议的圆顶控制系统。结合ASCOM天文技术标准和Modb... 详细信息

圆顶是天文望远镜系统的重要外围设备,随着望远镜技术的发展,圆顶控制技术得到不断进步。为实现云南天文台自动差分像运动大气视宁度监测仪完全自动化,开发了一套基于ASCOM和Modbus/TCP协议的圆顶控制系统。结合ASCOM天文技术标准和Modbus/TCP协议规范,详细介绍了系统的结构原理和实现方法。实测结果表明,系统具有较好的稳定性和兼容性,完全满足自动观测的需求,为中小型天文望远镜圆顶设计提供了经验和方法。

关键词：天文圆顶 ADIMM 天文公共对象模型 Modbus/TCP

Targeting TrkB–PSD-95 coupling to mitigate neurological disorders

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Neural Regeneration Research 2025年第3期20卷 715-724页

作者： xin Yang Yu-Wen Alvin Huang John Marshall Department of Molecular Biology Cell Biology and BiochemistryBrown UniversityProvidenceRIUSA Department of Neurology Warren Alpert Medical School of Brown UniversityProvidenceRIUSA Center for Translational Neuroscience Robert J.and Nancy D.Carney Institute for Brain Science and Brown Institute for Translational ScienceBrown UniversityProvidenceRIUSA

Tropomyosin receptor kinase B(TrkB)signaling plays a pivotal role in dendritic growth and dendritic spine formation to promote learning and *** activity-dependent release of brain-derived neurotrophic factor at synapses binds to pre-or postsynaptic TrkB resulting in the strengthening of synapses,reflected by long-term ***,the association of postsynaptic density protein-95 with TrkB enhances phospholipase Cγ-Ca^(2+)/calmodulin-dependent protein kinaseⅡand phosphatidylinositol 3-kinase-mechanistic target of rapamycin signaling required for long-term *** this review,we discuss TrkB-postsynaptic density protein-95 coupling as a promising strategy to magnify brain-derived neurotrophic factor signaling towards the development of novel therapeutics for specific neurological disorders.A reduction of TrkB signaling has been observed in neurodegenerative disorders,such as Alzheimer's disease and Huntington's disease,and enhancement of postsynaptic density protein-95 association with TrkB signaling could mitigate the observed deficiency of neuronal connectivity in schizophrenia and *** with brain-derived neurotrophic factor is problematic,due to poor pharmacokinetics,low brain penetration,and side effects resulting from activation of the p75 neurotrophin receptor or the truncated TrkB.T1 *** TrkB agonists and antibodies that activate TrkB are being intensively investigated,they cannot distinguish the multiple human TrkB splicing isoforms or cell type-specific *** TrkB–postsynaptic density protein-95 coupling provides an alternative approach to specifically boost TrkB signaling at localized synaptic sites versus global stimulation that risks many adverse side effects.

关键词： Angelman syndrome autism brain-derived neurotrophic factor depression neurodegenerative disorder neurodevelopmental disorder postsynaptic density protein-95 synaptic plasticity TrkB

From waste to wealth:Coal tar residue derived carbon materials as low-cost anodes for potassium-ion batteries

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International Journal of Minerals,Metallurgy and Materials 2025年第2期32卷 464-475页

作者： Zhonghua Lu Jun Shen xin Zhang Lingcong Chao Liang Chen Ding Zhang Tao Wei Shoudong Xu College of Chemical Engineering and Technology Taiyuan University of TechnologyTaiyuan 030024China College of Chemistry Taiyuan University of TechnologyTaiyuan 030024China School of Chemical Engineering and Pharmacy Wuhan Institute of TechnologyWuhan 430205China School of Energy and Power Jiangsu University of Science and TechnologyZhenjiang 212003China

Carbon materials are widely recognized as highly promising electrode materials for various energy storage system *** tar residues(CTR),as a type of carbon-rich solid waste with high value-added utilization,are crucially important for the development of a more sustainable *** this study,we employed a straightforward direct carbonization method within the temperature range of 700-1000℃to convert the worthless solid waste CTR into economically valuable carbon materials as anodes for potassium-ion batteries(PIBs).The effect of carbonization temperature on the microstructure and the potassium ions storage properties of CTR-derived carbons(CTRCs)were systematically explored by structural and morphological characterization,alongside electrochemical performances *** on the co-regulation between the turbine layers,crystal structure,pore structure,functional groups,and electrical conductivity of CTR-derived carbon carbonized at 900℃(CTRC-900H),the electrode material with high reversible capacity of 265.6m Ah·g^(-1)at 50 m A·g^(-1),a desirable cycling stability with 93.8%capacity retention even after 100 cycles,and the remarkable rate performance for PIBs were ***,cyclic voltammetry(CV)at different scan rates and galvanostatic intermittent titration technique(GITT)have been employed to explore the potassium ions storage mechanism and electrochemical kinetics of *** indicate that the electrode behavior is predominantly governed by surface-induced capacitive processes,particularly under high current densities,with the potassium storage mechanism characterized by an“adsorption-weak intercalation”*** work highlights the potential of CTR-based carbon as a promising electrode material category suitable for high-performance PIBs electrodes,while also provides valuable insights into the new avenues for the high value-added utilization of CTR.

关键词： coal tar residue carbon materials anode potassium-ion batteries high value-added