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深度学习在口腔种植影像学中的应用:研究进展与挑战

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数据与计算发展前沿 2024年第3期6卷 41-49页

作者：郑懿诺孙沐毅张虹云张婧邓天政刘倩空军军医大学空军特色医学中心口腔科北京100142 北京邮电大学人工智能学院北京100876 空军军医大学基础医学院陕西西安710032 空军军医大学第三附属医院口腔解剖生理学教研室陕西西安710032

【目的】系统性地回顾和总结深度学习在口腔种植领域的研究进展,包括口腔影像处理、种植体系统检测以及口腔种植预后的应用。【方法】基于深度学习在口腔种植领域的研究,按照研究方向进行分类总结,阐述相关研究的主要研究内容及结论。... 详细信息

【目的】系统性地回顾和总结深度学习在口腔种植领域的研究进展,包括口腔影像处理、种植体系统检测以及口腔种植预后的应用。【方法】基于深度学习在口腔种植领域的研究,按照研究方向进行分类总结,阐述相关研究的主要研究内容及结论。【结果】深度学习技术在口腔种植领域已取得显著成就。口腔影像中的智能分割和识别技术提高了口腔医生的诊断准确性和工作效率,而口腔种植体系统的自动化检测有助于更快速地了解患者的口腔情况。此外,深度学习还在口腔种植预后的预测中发挥关键作用,帮助医生提前干预并改善治疗结果。【结论】深度学习在口腔种植领域具有巨大潜力,有助于推动口腔种植更加精准高效,为口腔医生赋能。

关键词：口腔种植深度学习神经网络 CBCT

Impacts of Roof/Ground Mitigation Strategies on Improving the Urban Thermal Environment and Human Comfort over the Yangtze River Delta, China

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Journal of Meteorological Research 2024年第1期38卷 108-125页

作者： hongyun MA Mi zhang Haishan CHEN Yan WANG Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters(CIC-FEMD)/Key Laboratory of Meteorological Disaster Ministry of Education(KLME)/Joint International Research Laboratory of Climate and Environmental Change(ILCEC)Nanjing University of Information Science&TechnologyNanjing 210044 School of Atmospheric Sciences Nanjing UniversityNanjing 210023 Experimental Teaching Center for Meteorology and Environment Nanjing University of Information Science&TechnologyNanjing 210044

The combined effects of global warming and the urban heat islands exacerbate the risk of urban heat stress. It is crucial to implement effective cooling measures in urban areas to improve the comfort of the thermal environment. In this study, the Weather Research and Forecasting Model(WRF), coupled with a single-layer Urban Canopy Model(UCM), was used to study the impact of heat mitigation strategies. In addition, a 5-km resolution land-cover dataset for China(ChinaLC), which is based on satellite remote sensing data, was adjusted and used, and 18 groups of numerical experiments were designed, to increase the albedo and vegetation fraction of roof/ground parameters. The experiments were conducted for four heatwave events that occurred in the summer of 2013 in the Yangtze River Delta urban agglomeration of China. The simulated results demonstrated that, for the single roof/ground schemes, the mitigation effects were directly proportional to the albedo and greening. Among all the experimental schemes, the superposed schemes presented better cooling effects. For the ground greening scheme, with similar net radiation flux and latent heat flux, its storage heat was lower than that of the roof greening scheme, resulting in more energy flux into the atmosphere, and its daytime cooling effect was not as good as that of the roof greening scheme. In terms of human thermal comfort(HTC), the improvement achieved by the ground greening scheme was better than any other single roof/ground schemes, because the increase in the relative humidity was small. The comprehensive evaluation of the mitigation effects of different schemes on the thermal environment presented in this paper provides a theoretical basis for improving the urban environment through rational urban planning and construction.

关键词： urban heat island human thermal comfort urban canopy mitigation strategies Yangtze River Delta Weather Research and Forecasting Model(WRF) Urban Canopy Model(UCM)

X-ray-activated Bi^(3+)/Pr^(3+)co-doped LiYGeO_4 phosphor with UV and NIR dual-emissive persistent luminescence

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Journal of Rare Earths 2024年第5期42卷 955-961,I0005页

作者： Xianggui Yin hongyun Zhong Lin Liu Junpeng Shi Xia Sun Yun zhang State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of MatterChinese Academy of SciencesFuzhou350002China Xiamen Key Laboratory of Rare Earth Photoelectric Functional Materials Xiamen Institute of Rare Earth MaterialsHaixi InstituteChinese Academy of SciencesXiamen361021China Fujian Science and Technology Innovation Laboratory for Optoelectronic Information of China Fuzhou350108China

X-ray-activated luminescence materials have broad application prospects in photodynamic therapy of deep *** them,X-ray-activated persistent luminescence materials(PLMs)exhibiting multiple emission peaks have drawn extensive attention for the ir capacity to achieve a combination of bioimaging and therapeutic ***,we developed a novel PLM,LiYGeO_4:Bi^(3+),Pr^(3+),that simultaneously exhibits UV and NIR dual persistent luminescence(PersL)emissions after irradiation by *** material can be re peatedly excited by X-ray and emits similar lumine scence intensity every time,which shows good PersL *** addition,LiYGeO_4:Bi^(3+),Pr^(3+)exhibits photostimulated PersL properties by stimulation with a red light-emitting diode(LED)or NIR laser after long-term *** work provides a new choice of X-ray-excited PLMs with UV and NIR dual emission and the novel phosphor shows promise as a potential candidate for the integration of treatment and diagnosis of deep tumors.

关键词： Co-doping X-ray-activated Dual emissions Persistent luminescence Rare earths

Electronic structure of molecular beam epitaxy grown 1T’-MoTe2 film and strain effect

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Chinese Physics B 2019年第10期28卷 210-214页

作者： Xue Zhou Zeyu Jiang Kenan zhang Wei Yao Mingzhe Yan hongyun zhang Wenhui Duan Shuyun Zhou State Key Laboratory of Low Dimensional Quantum Physics and Department of Physics Tsinghua UniversityBeijing 100084China Collaborative Innovation Center of Quantum Matter Beijing 100084China

Atomically thin transition metal dichalcogenide films with distorted trigonal(1T') phase have been predicted to be candidates for realizing quantum spin Hall effect. Growth of 1T' film and experimental investigation of its electronic structure are critical. Here we report the electronic structure of 1T'-MoTe2 films grown by molecular beam epitaxy(MBE).Growth of the 1T'-MoTe2 film depends critically on the substrate temperature, and successful growth of the film is indicated by streaky stripes in the reflection high energy electron diffraction(RHEED) and sharp diffraction spots in the low energy electron diffraction(LEED). Angle-resolved photoemission spectroscopy(ARPES) measurements reveal a metallic behavior in the as-grown film with an overlap between the conduction and valence bands. First principles calculation suggests that a suitable tensile strain along the a-axis direction is needed to induce a gap to make it an insulator. Our work not only reports the electronic structure of MBE grown 1T'-MoTe2 films, but also provides insights for strain engineering to make it possible for quantum spin Hall effect.

关键词： quantum spin Hall effect 1T'-MoTe2 molecular beam epitaxy(MBE) transition metal dichalcogenides(TMDCs)

Self-energy dynamics and the mode-specific phonon threshold effect in Kekulé-ordered graphene

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National Science Review 2022年第5期9卷 81-88页

作者： hongyun zhang Changhua Bao Michael Schüler Shaohua Zhou Qian Li Laipeng Luo Wei Yao Zhong Wang Thomas P.Devereaux Shuyun Zhou State Key Laboratory of Low-Dimensional Quantum Physics and Department of Physics Tsinghua University Stanford Institute for Materials and Energy Sciences (SIMES) SLAC National Accelerator Laboratory Department of Materials Science and Engineering Stanford University Institute for Advanced Study Tsinghua University Frontier Science Center for Quantum Information

Electron-phonon interaction and related self-energy are fundamental to both the equilibrium properties and non-equilibrium relaxation dynamics of *** ele ctron-phonon interaction has been suggested by various time-resolved measurements to be important for the relaxation dynamics of graphene,the lack of energy-and momentum-resolved self-energy dynamics prohibits direct identification of the role of specific phonon modes in the relaxation ***,by performing time-and angle-resolved photoemission spectroscopy measurements on Kekulé-ordered graphene with folded Dirac cones at the Γ point, we have succeeded in resolving the self-energy effect induced by the coupling of electrons to two phonons at Ω=177 meV and Ω=54 meV,and revealing its dynamical change in the time ***,these strongly coupled phonons define energy thresholds,which separate the hierarchical relaxation dynamics from ultrafast,fast to slow,thereby providing direct experimental evidence for the dominant role of mode-specific phonons in the relaxation dynamics.

关键词： TrARPES self-energy electron-phonon coupling Kekulé-ordered graphene

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小口径光学零件高效加工实验设计与教学实践

凯里学院学报 2024年第3期42卷 23-30页

作者：杨永亮张泓筠莫秋燕李娜吴克跃皖西学院安徽六安237012 凯里学院贵州凯里556011

面向迅速发展的车载镜头行业对光学零件高效加工技术人才的需求,针对古典加工技术及传统实验教学的不足,以车载镜头中的小口径新月形透镜的高效加工任务为驱动牵引,运用虚实结合、实验教学与产业融合的方法,重构光学零件高效加工实验教... 详细信息

面向迅速发展的车载镜头行业对光学零件高效加工技术人才的需求,针对古典加工技术及传统实验教学的不足,以车载镜头中的小口径新月形透镜的高效加工任务为驱动牵引,运用虚实结合、实验教学与产业融合的方法,重构光学零件高效加工实验教学内容,引导学生参与设备操作、工艺设计、作业指导书编制等光学零件加工的全过程.通过闭环式的学习与探究,发现各环节中存在的问题,并提出解决方案,实现对小口径光学零件高效加工工艺的持续改进,激发学生的学习兴趣,不断提升学生的实践及工艺设计能力.

关键词：光学零件高效加工技术虚实结合工艺设计

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Two-dimensional materials for future information technology: status and prospects

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Science China(Information Sciences) 2024年第6期67卷 1-147页

作者： Hao QIU Zhihao YU Tiange ZHAO Qi zhang Mingsheng XU Peifeng LI Taotao LI Wenzhong BAO Yang CHAI Shula CHEN Yiqi CHEN Hui-Ming CHENG Daoxin DAI Zengfeng DI Zhuo DONG Xidong DUAN Yuhan FENG Yu FU Jingshu GUO Pengwen GUO Yue HAO Jun HE Xiao HE Jingyi HU Weida HU Zehua HU Xinyue HUANG Ziyang HUANG Ali IMRAN Ziqiang KONG Jia LI Qian LI Weisheng LI Lei LIAO Bilu LIU Can LIU Chunsen LIU Guanyu LIU Kaihui LIU Liwei LIU Sheng LIU Yuan LIU Donglin LU Likuan MA Feng MIAO Zhenhua NI Jing NING Anlian PAN Tian-Ling REN Haowen SHU Litao SUN Yue SUN Quanyang TAO Zi-Ao TIAN Dong WANG Hao WANG Haomin WANG Jialong WANG Junyong WANG Wenhui WANG Xingjun WANG Yeliang WANG Yuwei WANG Zhenyu WANG Yao WE... School of Electronic Science and Engineering Nanjing University School of Integrated Circuits Interdisciplinary Research Center for Future Intelligent Chips (Chip-X)Nanjing University School of Integrated Circuit Science and Engineering Nanjing University of Posts and Telecommunications State Key Laboratory of Infrared Physics Shanghai Institute of Technical Physics Chinese Academy of Sciences School of Physics and Key Lab of Quantum Materials and Devices of the Ministry of Education School of Electronic Science & EngineeringSoutheast University College of Integrated Circuits State Key Laboratory of Silicon and Advanced Semiconductor MaterialsZhejiang University Suzhou Laboratory State Key Laboratory of Integrated Chips and Systems School of MicroelectronicsFudan University Shaoxin Laboratory Department of Applied Physics The Hong Kong Polytechnic University Key Laboratory for Micro-Nano Physics and Technology of Hunan Province College of Materials Science and EngineeringHunan University College of Integrated Circuits Zhejiang University Shenzhen Geim Graphene Center Shenzhen Key Laboratory of Layered Materials for Value-Added ApplicationsTsinghua-Berkeley Shenzhen Institute & Institute of Materials ResearchTsinghua Shenzhen International Graduate SchoolTsinghua University State Key Laboratory of Extreme Photonics and Instrumentation College of Optical Science and EngineeringInternational Research Center for Advanced PhotonicsZijingang CampusZhejiang University National Key Laboratory of Materials for Integrated Circuits Shanghai Institute of Microsystem and Information TechnologyChinese Academy of Sciences CAS Key Laboratory of Nanophotonic Materials and Devices & Key Laboratory of Nanodevices and Applications i-LabSuzhou Institute of Nano-Tech and Nano-Bionics (SINANO)Chinese Academy of Sciences College of Chemistry and Chemical Engineering Hunan University Key Laboratory of Quantum State Construction and Manipulation (Ministry of Education) Department of PhysicsRenmin University of China School

Over the past 70 years, the semiconductor industry has undergone transformative changes,largely driven by the miniaturization of devices and the integration of innovative structures and materials. Two-dimensional(2D) materials like transition metal dichalcogenides(TMDs) and graphene are pivotal in overcoming the limitations of silicon-based technologies, offering innovative approaches in transistor design and functionality, enabling atomic-thin channel transistors and monolithic 3D integration. We review the important progress in the application of 2D materials in future information technology, focusing in particular on microelectronics and optoelectronics. We comprehensively summarize the key advancements across material production, characterization metrology, electronic devices, optoelectronic devices, and heterogeneous integration on silicon. A strategic roadmap and key challenges for the transition of 2D materials from basic research to industrial development are outlined. To facilitate such a transition, key technologies and tools dedicated to 2D materials must be developed to meet industrial standards, and the employment of AI in material growth, characterizations, and circuit design will be essential. It is time for academia to actively engage with industry to drive the next 10 years of 2D material research.

关键词： two-dimensional (2D) materials information technology production technology standardization of characterization microelectronicdevices optoelectronic devices multi-functional integration

The Legacy of Pearl S. Buck

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Voice of Friendship 2004年第5期 32-36页

作者： Xi Xianghong, zhang ZhonghuaShi hongyun

Zhenjiang, an ancient city located in the Yangtze River Delta area, is an open and rapidly developing city on the Yangtze River. With an increasing number of foreigners working in Zhenjiang in recent years, local resi... 详细信息

关键词： Yangtze Pearl Buck seeing ancient young visited Pe

LncRNA NKILA inhibits HBV replication by repressing NF-κB signalling activation

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Virologica Sinica 2024年第1期39卷 44-55页

作者： Xi zhang Yuanyuan Li Chen Huan Yubao Hou Rujia Liu hongyun Shi Peng zhang Baisong Zheng Yingchao Wang Hong Wang Wenyan zhang Institute of Virology and AIDS Research The First Hospital of Jilin UniversityChangchun130012China Department of Ophthalmology The First Hospital of Jilin UniversityChangchun130012China Hepatobiliary Pancreatic Surgery The First Hospital of Jilin UniversityChangchun130012China

Hepatitis B virus(HBV)infection results in liver cirrhosis and hepatocellular carcinoma(HCC).HBx/nuclear factor(NF)-κB pathway plays a role in HBV ***,whether NF-κB-interacting long noncoding RNA(NKILA),a suppressor of NF-κB activation,regulates HBV replication remains largely *** this study,gain-and-loss experiments showed that NKILA inhibited HBV replication by inhibiting NF-κB *** turn,HBV infection down-regulated NKILA *** addition,expression levels of NKILA were lower in the peripheral blood-derived monocytes(PBMCs)of HBV-positive patients than in healthy individuals,which were correlated with HBV viral *** a negative correlation between NKILA expression level and HBV viral loads was observed in blood serum from HBV-positive *** levels of endogenous NKILA were also observed in HepG2 cells expressing a 1.3-fold HBV genome,HBV-infected HepG2-NTCP cells,stable HBV-producing HepG2.2.15 and HepAD38 cells,compared to those HBV-negative ***,HBx was required for NKILA-mediated inhibition on HBV *** decreased HBx-induced NF-κB activation by interrupting the interaction between HBx and p65,whereas NKILA mutants lack of essential domains for NF-κB inhibition,lost the ability to inhibit HBV ***,our data demonstrate that NKILA may serve as a suppressor of HBV replication via NF-κB signalling.

关键词： LncRNA NF-κB-interacting longnoncoding RNA(NKILA) NF-ĸB signalling ChronichepatitisBvirus(HBV) Viral replication HBx