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Defects‑Rich Heterostructures Trigger Strong Polarization Coupling in Sulfides/Carbon Composites with Robust Electromagnetic Wave Absorption

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Nano-Micro Letters 2025年第1期17卷 528-547页

作者： Jiaolong Liu Siyu Zhang Dan Qu Xuejiao Zhou Moxuan yin Chenxuan Wang Xuelin Zhang Sichen Li Peijun Zhang Yuqi Zhou Kai Tao Mengyang Li Bing wei Hongjing Wu Mengyang Li Bing wei Hongjing Wu School of Physics Xidian UniversityXi’an 710071People’s Republic of China School of Advanced Materials and Nanotechnology State Key Discipline Laboratory of Wide Band Gap Semiconductor TechnologyXidian UniversityXi’an 710071People’s Republic of China School of Microelectronics Xidian UniversityXi’an 710071People’s Republic of China School of Telecommunication Engineering Xidian UniversityXi’an 710071People’s Republic of China MOE Key Laboratory of Material Physics and Chemistry Under Extraordinary School of Physical Science and TechnologyNorthwestern Polytechnical UniversityXi’an 710072People’s Republic of China The Ministry of Education Key Laboratory of Micro and Nano Systems forAerospace School of Mechanical EngineeringNorthwestern PolytechnicalUniversityXi’an 710072People’s Republic of China

Defects-rich heterointerfaces integrated with adjustable crystalline phases and atom vacancies,as well as veiled dielectric-responsive character,are instrumental in electromagnetic *** methods,however,constrain their delicate ***,an innovative alternative is proposed:carrageenan-assistant cations-regulated(CACR)strategy,which induces a series of sulfides nanoparticles rooted in situ on the surface of carbon *** unique configuration originates from strategic vacancy formation energy of sulfides and strong sulfides-carbon support interaction,benefiting the delicate construction of defects-rich heterostructures in M_(x)S_(y)/carbon composites(M-CAs).Impressively,these generated sulfur vacancies are firstly found to strengthen electron accumulation/consumption ability at heterointerfaces and,simultaneously,induct local asymmetry of electronic structure to evoke large dipole moment,ultimately leading to polarization coupling,i.e.,defect-type interfacial ***“Janus effect”(Janus effect means versatility,as in the Greek two-headed Janus)of interfacial sulfur vacancies is intuitively confirmed by both theoretical and experimental investigations for the first ***,the sulfur vacancies-rich heterostructured Co/Ni-CAs displays broad absorption bandwidth of 6.76 GHz at only 1.8 mm,compared to sulfur vacancies-free CAs without any dielectric *** defects-rich heterostructures,this one-pot CACR strategy may steer the design and development of advanced nanomaterials,boosting functionality across diverse application domains beyond electromagnetic response.

关键词： Defects-rich heterointerfaces Sulfides Polarization coupling Electromagnetic wave absorption

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CrNb低合金热轧轨组织和性能研究

铁道学报 2002年第3期24卷 27-31页

作者：张银花詹新伟周清跃铁道科学研究院金属及化学研究所北京100081

在 U74普通碳素轨的基础上 ,增加 Si含量 ,调整 C、Mn含量 ,加入合金元素 Cr、Nb,设计出 Cr Nb低合金钢轨钢。研究了该钢的组织和性能及 Cr、Nb合金元素的作用。结果表明 :Cr Nb钢的屈服强度、抗拉强度比 U74提高 2 1.36 %、13.6 5 %。... 详细信息

在 U74普通碳素轨的基础上 ,增加 Si含量 ,调整 C、Mn含量 ,加入合金元素 Cr、Nb,设计出 Cr Nb低合金钢轨钢。研究了该钢的组织和性能及 Cr、Nb合金元素的作用。结果表明 :Cr Nb钢的屈服强度、抗拉强度比 U74提高 2 1.36 %、13.6 5 %。奥氏体晶粒度和珠光体片间距得到了细化。Cr元素使 CCT曲线明显右移 ,Nb元素在奥氏体再结晶过程中细化了奥氏体晶粒。

关键词：热轨钢轨显微组织 CrNb 铁路低合金钢屈服强度抗拉强度铬金属合金

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大伦敦地区空间战略规划的评介与启示

世界地理研究 2013年第2期22卷 43-51页

作者：赵景亚殷为华华东师范大学城市与区域经济系上海200241 华东师范大学长江流域发展研究院上海200241

自1944年阿伯克隆比主持编制了世界上第一部特大型城市区域规划-《大伦敦规划》以来,每一阶段的伦敦地区发展规划都主要立足于自身需求和可行的程序性工具,以利于指导首都地区未来20-30年的发展。进入21世纪,作为英国第一个引入空间发... 详细信息

自1944年阿伯克隆比主持编制了世界上第一部特大型城市区域规划-《大伦敦规划》以来,每一阶段的伦敦地区发展规划都主要立足于自身需求和可行的程序性工具,以利于指导首都地区未来20-30年的发展。进入21世纪,作为英国第一个引入空间发展战略的地区,伦敦先后三次制定出台了大伦敦地区规划。本文以不同社会经济发展背景下的伦敦规划演变为基础,重点对大伦敦地区空间发展战略规划(2011)的核心内容、重要特点及其相关启示进行评介和分析,以期促进我国特大型城市区域的规划创新。

关键词：空间战略规划大伦敦地区评介与启示

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无人机测控数据链路的机载扩频接收机实现

自动化与仪器仪表 2010年第4期 119-121,124页

作者：尹蔚华张睿重庆大学通信学院重庆400044

通过具体实例介绍了基于无人机测控数据链路的机载扩频接收机的主要功能和实现原理。测控数据链路采用直接序列扩频技术,具备较强的抗干扰、抗截获和保密能力。系统采用一次变频构架,引入相关信号能量控制链路增益保持A/D采样精度,所有... 详细信息

通过具体实例介绍了基于无人机测控数据链路的机载扩频接收机的主要功能和实现原理。测控数据链路采用直接序列扩频技术,具备较强的抗干扰、抗截获和保密能力。系统采用一次变频构架,引入相关信号能量控制链路增益保持A/D采样精度,所有的数字信号处理都基于软件无线电,从而使产品具有软件无线电的诸多优点。重点阐述利用软件无线电,在低信噪比情况下,捕获与跟踪在本扩频接收机的实现。

关键词：软件无线电测控数据链路扩频接收

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Neural Regeneration Research 2025年第2期20卷 366-377页

作者： Samuel Abokyi Dennis Yan-yin Tse School of Optometry The Hong Kong Polytechnic UniversityKowloonHong Kong Special Administrative RegionChina Research Center for SHARP Vision The Hong Kong Polytechnic UniversityKowloonHong Kong Special Administrative RegionChina Center for Eye and Vision Research Sha TinHong Kong Special Administrative RegionChina

Retinal aging has been recognized as a significant risk factor for various retinal disorders,including diabetic retinopathy,age-related macular degeneration,and glaucoma,following a growing understanding of the molecular underpinnings of their *** comprehensive review explores the mechanisms of retinal aging and investigates potential neuroprotective approaches,focusing on the activation of transcription factor *** meta-analyses have demonstrated promising outcomes of transcription factor EB-targeted strategies,such as exercise,calorie restriction,rapamycin,and metformin,in patients and animal models of these common retinal *** review critically assesses the role of transcription factor EB in retinal biology during aging,its neuroprotective effects,and its therapeutic potential for retinal *** impact of transcription factor EB on retinal aging is cell-specific,influencing metabolic reprogramming and energy homeostasis in retinal neurons through the regulation of mitochondrial quality control and nutrient-sensing *** vascular endothelial cells,transcription factor EB controls important processes,including endothelial cell proliferation,endothelial tube formation,and nitric oxide levels,thereby influencing the inner blood-retinal barrier,angiogenesis,and retinal ***,transcription factor EB affects vascular smooth muscle cells,inhibiting vascular calcification and *** retinal pigment epithelial cells,transcription factor EB modulates functions such as autophagy,lysosomal dynamics,and clearance of the aging pigment lipofuscin,thereby promoting photoreceptor survival and regulating vascular endothelial growth factor A expression involved in *** cell-specific functions of transcription factor EB significantly impact retinal aging mechanisms encompassing proteostasis,neuronal synapse plasticity,energy metabolism,microvasculature,and inflammation,ultimately offering pro

关键词： age-related macular degeneration anti-aging interventions autophagy calorie restriction diabetic retinopathy exercise glaucoma neuromodulation phagocytosis photoreceptor outer segment degradation retinal aging transcription factor EB

接种乙肝疫苗对成人外周血Th1/Th2的影响研究

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中国现代医学杂志 2012年第34期22卷 81-83页

作者：范惠珍尹卫华夏红梅江西省宜春市人民医院消化科江西宜春330006

目的通过检测乙肝疫苗接种者的外周血Th细胞分泌的IFN-γ和IL-4,探讨Th活化与乙肝疫苗无应答的关系。方法利用流式细胞仪分析方法对31例乙肝疫苗应答者和23例乙肝疫苗无应答者外周血中淋巴细胞的胞内细胞因子(IFN-γ和IL-4)和表面抗原(C... 详细信息

目的通过检测乙肝疫苗接种者的外周血Th细胞分泌的IFN-γ和IL-4,探讨Th活化与乙肝疫苗无应答的关系。方法利用流式细胞仪分析方法对31例乙肝疫苗应答者和23例乙肝疫苗无应答者外周血中淋巴细胞的胞内细胞因子(IFN-γ和IL-4)和表面抗原(CD4)进行分析。结果乙肝疫苗无应答者外周血IFN-γ(P<0.01)和Th1/Th2比值(P<0.05)与乙肝疫苗应答者有明显差别。结论乙肝疫苗接种者Th细胞的活化与乙肝疫苗无应答存在一定关系。

关键词：乙肝疫苗无应答 Th1 Th2比值细胞因子

基于编程实验的“计算方法”课程教学方法研究

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伊犁师范学院学报（自然科学版） 2013年第2期7卷 66-70页

作者：陈展衡尹为华伊犁师范学院数学与统计学院新疆伊宁835000 伊宁市第六中学新疆伊宁835000

编程实验教学法是诸多教学方法中的一种,对此方法进行分析并设计应用于计算方法课程的教学中,通过学生成果例证,取得了较好的教学效果.

关键词：编程实验教学法计算方法拉格朗日插值多项式

高校教学督导工作运行模式的构建与实践——以伊犁师范学院为例

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伊犁师范学院学报（自然科学版） 2016年第4期10卷 84-87页

作者：陈展衡尹为华伊犁师范学院督导室数学与统计学院新疆伊宁835000 伊宁市第六中学新疆伊宁835000

高校教学督导工作是学校内部教学质量监控保障体系的重要组成部分.以伊犁师范学院为例,深入分析2013年以来督导工作面临的困难和问题,针对问题研究应对策略,按照"统一领导、分工合作、以人为本、亦督亦导、以导为主、旨在提高、督中有... 详细信息

高校教学督导工作是学校内部教学质量监控保障体系的重要组成部分.以伊犁师范学院为例,深入分析2013年以来督导工作面临的困难和问题,针对问题研究应对策略,按照"统一领导、分工合作、以人为本、亦督亦导、以导为主、旨在提高、督中有评、评中寓导、优质服务、解决问题"的原则和理念,构建教学督导工作运行模式,通过三年的实践取得了较好的效果.

关键词：高校教学督导运行模式

DKP-SLAM:A Visual SLAM for Dynamic Indoor Scenes Based on Object Detection and Region Probability

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Computers, Materials & Continua 2025年第1期82卷 1329-1347页

作者： Menglin yin Yong Qin Jiansheng Peng College of Automation Guangxi University of Science and TechnologyLiuzhou545000China Department of Artificial Intelligence and Manufacturing Hechi UniversityHechi546300China Key Laboratory of AI and Information Processing Education Department of Guangxi Zhuang Autonomous RegionHechi546300China Guangxi Key Laboratory of Sericulture Ecology and Applied Intelligent Technology School of Chemistry and BioengineeringHechi UniversityHechi546300China

In dynamic scenarios,visual simultaneous localization and mapping(SLAM)algorithms often incorrectly incorporate dynamic points during camera pose computation,leading to reduced accuracy and *** paper presents a dynamic SLAM algorithm that leverages object detection and regional dynamic ***,a parallel thread employs the YOLOX object detectionmodel to gather 2D semantic information and compensate for missed ***,an improved K-means++clustering algorithm clusters bounding box regions,adaptively determining the threshold for extracting dynamic object contours as dynamic points *** process divides the image into low dynamic,suspicious dynamic,and high dynamic *** the tracking thread,the dynamic point removal module assigns dynamic probability weights to the feature points in these *** with geometric methods,it detects and removes the dynamic *** final evaluation on the public TUM RGB-D dataset shows that the proposed dynamic SLAM algorithm surpasses most existing SLAM algorithms,providing better pose estimation accuracy and robustness in dynamic environments.

关键词： Visual SLAM dynamic scene YOLOX K-means++clustering dynamic probability