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3rd International Conference on Algorithms, Data Mining, and Information technology, ADMIT 2024

作者： Yang, Qiu Sun, Xiao Li, Xinyu Cui, FengQi Guo, YuTong Hu, ShuangZhen Luo, Ping Li, SiYing School of Computer and Information Hefei University of Technology China Institute of Advanced Technology University of Science and Technology of China China

ISBN: (纸本)9798400718120

The purpose of face super-resolution (FSR) is to reconstruct high-resolution (HR) face images from low-resolution (LR) inputs. With the continuous advancement of deep learning technologies, contemporary prior-guided FSR methods initially estimate facial priors and then use this information to assist in the super-resolution reconstruction process. However, ensuring the accuracy of prior estimation remains challenging, and straightforward cascading and convolutional operations often fail to fully leverage prior knowledge. Inaccurate or insufficiently utilized prior information inevitably degrades FSR performance. To address this issue, we propose a prior knowledge distillation network (PKDN) for FSR, which involves transferring prior information from the teacher network to the student network. This approach enables the network to learn priors during the training stage while relying solely on low-resolution facial images during the testing stage, thus mitigating the adverse effects of prior estimation inaccuracies. Additionally, we incorporate robust attention mechanisms to design a parsing map fusion block that effectively utilizes prior information. To prevent feature loss, we retain multi-scale features during the feature extraction stage and employ them in the subsequent super-resolution reconstruction process. Experimental results on benchmark datasets demonstrate that our PKDN approach surpasses existing FSR methods in generating high-quality face images. © 2024 Copyright held by the owner/author(s).

关键词： Deep learning

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Stereoselective synthesis of 2-deoxy-α-C-glycosides from glycals

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Chinese Chemical Letters 2024年第12期35卷 422-426页

作者： Hongjin Shi Guoyin Yin Xi Lu Yangyang Li The Institute for Advanced Studies Wuhan UniversityWuhan 430072China School of Chemistry and Materials Science University of Science and Technology of ChinaHefei 230026China

2-Deoxy-α-C-Glycosides are a significant class of carbohydrates found in numerous bioactive molecules and *** a concise strategy for the assembly of theseα-configured C-glycosides is crucial in the field of carbohydrate ***,current methods are restricted to the utilization of glycosyl radical precursors,which are required for ***,we present a novel approach for the synthesis of 2-deoxy-α-C-glycosides using a nickel-catalyzed stereoselective coupling reaction with commercially available ***,this method circumvents the preparation for diverse glycosyl radical *** developed protocol exhibits a broad substrate scope and remarkable stereoselectivity under mild reaction ***,the raw materials required for this process are readily accessible,eliminating the necessity for pre-functionalization modifications of the glycosyl substrates and ensuring high atomic economy.

关键词： Nickel catalysis Stereoselectivity 2-Deoxy-α-C-glycosides Glycals Cross-coupling reaction

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Calibration and measurement method of PMD based on the optimization algorithm of swarm intelligent body

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Applied Optics 2025年第9期64卷 2102-2111页

作者： Xu, Xingnan Yuan, Zihang Zhu, Jiaxin Zhou, Hong Sun, Wenqing Key Laboratory of Intelligent Optoelectronic Devices and Chips Jiangsu Higher Education Institutions School of Physical Science and Technology Suzhou University of Science and Technology Suzhou215009 China Advanced Technology Research Institute Taihu Photon Center School of Physical Science and Technology Suzhou University of Science and Technology Suzhou215009 China Suzhou Huadian Electric Technology Service Co. Ltd. Suzhou215000 China

Traditional phase measuring deflectometry (PMD) systems encounter challenges related to the stability of calibration parameter optimization, often resulting in insufficient reconstruction accuracy and low computational efficiency. In response to this technical challenge, this paper proposes an optimization method for the two-step calibration of the PMD system based on a swarm-intelligent body optimization algorithm, aiming to significantly improve the reconstruction accuracy and processing efficiency of the system. First, a traditional calibration method is used for the initial calibration of the measurement system. Subsequently, the dung beetle optimization (DBO) algorithm—to our knowledge, a novel swarm intelligence optimization algorithm known for its rapid convergence and global search capabilities—is introduced to construct a multi-objective optimization model with the three-dimensional system reconstruction error as the objective function. By applying the DBO to solve this model, a set of optimal calibration parameters is obtained. Experimental results demonstrate that the DBO algorithm achieves significant improvements in both reconstruction accuracy and stability compared to traditional calibration methods, thereby verifying its effectiveness and practicality in PMD systems. © 2025 Optica Publishing Group. All rights, including for text and data mining (TDM), Artificial Intelligence (AI) training, and similar technologies, are reserved.

关键词： Swarm intelligence

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Enhancing adhesive performance of polyvinyl alcohol with sub nanoscale polyoxotungstate clusters under extreme conditions

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Nano Research 2025年第2期18卷 432-441页

作者： Pengcheng Cui Qiang Yu Jiadong Chen Kun Chen Panchao Yin South China Advanced Institute for Soft Matter Science and Technology School of Emergent Soft MatterSouth China University of TechnologyGuangzhou 510640China Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices South China University of TechnologyGuangzhou 510641China Guangdong Provincial Key Laboratory of Technique and Equipment for Macromolecular Advanced Manufacturing South China University of TechnologyGuangzhou 510641China

Innovative advancements in the development of high-performance,eco-friendly adhesives are critical for meeting the demands of diverse applications in various *** study reports a significant leap in adhesive technology by enhancing the interfacial toughness and versatility of polyvinyl alcohol(PVA)through complexation with 1-nm Keggin-type polyoxotungstate clusters(POTs)carrying specific negative *** POT-PVA nanocomposites exhibit superior adhesion to hydrophilic surfaces,attributed to their high crosslinking densities and exceptional fracture energies surpassing 6.23 kJ·m^(-2).These adhesives,endowed with high flexibility and a wealth of surface hydroxyl groups,are uniquely suited for application on a wide array of substrates including glass,steel,aluminum,and beyond,demonstrating their broad ***,the reduction in PVA crystallinity due to the chaotropic effect of POTs,which significantly enhances polymer chain *** enhancement confers robust adhesive properties at extreme temperatures,from the cryogenic−196℃ to the high-temperature threshold of 100℃.By capitalizing on the chaotropic effects of charged POTs,the study achieves a notable enhancement in the adhesive capabilities of the POT-PVA nanocomposites,paving the way for the development of for eco-friendly and cost effective adhesives engineered to withstand extreme conditions.

关键词： water-based adhesives polyoxotungstates nanocomposites interfacial toughness chaotropic effect

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Frequency reconfigurable antenna actuated by inflated triangular structure:Design and analysis

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Chinese Journal of Aeronautics 2023年第5期36卷 280-285页

作者： Jiaming GUO Xinghan QIU Jiawei ZHANG Lamei ZHANG Changguo WANG School of Astronautics Harbin Institute of TechnologyHarbin 150001China National Key Laboratory of Science and Technology on Advanced Composites in Special Environments Harbin 150001China School of Electronics and Information Engineering Harbin Institute of TechnologyHarbin 150001China

This paper proposes a frequency reconfigurable triangular antenna actuated by an inflated triangular *** open path antenna is transformed from an open type to a closed structure by *** structures are easy to manufacture by fusing 2 inextensible membranes together along a defined pattern of ***,the prediction of their deployed shape remains a *** solve the pattern changed problem,guided by geometric analyses and local buckle characteristics,the inflated triangular structure has been designed and verified by experiment and *** the process of transformation of the antenna,the resonant frequency of the antenna is changed because this frequency is determined by the conformational *** resonant frequency changes from GHz to kHz when the design of initial structure sizes is from millimeter to *** measured peak gains,the frequency,and the radiation direction are also reconfigurable by the initial ***,the reconfigurable resonator array is presented,which is coupled to electric fields to absorb all incident *** this work,the changed pattern design by inflating is applied to the antenna design,and its frequency reconfigurability is *** the electricity performance analysis of the reconfigurable antenna,precise manufacturing will be possible and provide guidance for manufacturing frequency reconfigurable antennas.

关键词： Free kink design Frequency Reconfigurable Antenna(FRA) Inflated Return losses Thin film

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Exploration of the copper–niobium composite superconducting cavities for pursuing extremely high operational stability at IMP

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Nuclear science and Techniques 2025年第5期36卷 19-29页

作者： Shi-Chun Huang Yuan He Long Peng Chun-Long Li Sheng-Xue Zhang Meng-Xin Xu Zi-Qin Yang Hao Guo Lu-Bei Liu Ping-Ran Xiong An-Dong Wu Qing-Wei Chu Xiao-Fei Niu Teng Tan Zhi-Jun Wang Jun-Hui Zhang Sheng-Hu Zhang Hong-Wei Zhao Wen-Long Zhan Institute of Modern Physics Chinese Academy of SciencesLanzhou 730000China University of Chinese Academy of Sciences Beijing 100049China Advanced Energy Science and Technology Guangdong Laboratory Huizhou 516007China School of Nuclear Science and Technology Lanzhou UniversityLanzhou 730000China

Theoretically,copper–niobium(Cu-Nb)composite superconducting cavities have excellent potential for high thermal and mechanical *** can appropriately exploit the high-gradient surface processing recipes developed for the bulk niobium(Nb)cavity and the thick copper(Cu)layer’s high thermal conductivity and rigidity,thereby enhancing the operational stability of the bulk Nb *** study conducted a global review of the technical approaches employed for fabricating Cu-Nb composite superconducting *** explored Cu-Nb composite superconducting cavities based on two technologies at the institute of Modern Physics,Chinese Academy of sciences(IMP,CAS),including their manufacturing processes,radio-frequency(RF)characteristics,and mechanical *** cavities exhibit robust mechanical ***,the investigation of several 1.3 GHz single-cell elliptical cavities using the Cu-Nb composite sheets indicated that the wavy structure at the Cu-Nb interface influenced the reliable welding of the Cu-Nb composite *** observed the generation and trapping of magnetic flux density during the T_c crossing of Nb in cooldown *** cooling rates during the T_c crossing of Nb exerted a substantial impact on the performance of the ***,we measured and analyzed the surface resistance R_(s)attributed to the trapped magnetic flux induced by the Seebeck effect after quenching ***,for the first time,a low-beta bulk Nb cavity was plated with Cu on its outer surface using electroplating *** achieved a high peak electric field E_(pk)of~88.8 MV/m at 2 K and the unloaded quality factor Q_(0)at the E_(pk)of 88.8 MV/m exceeded 1×10^(10).This demonstrated that the electroplating Cu on the bulk Nb cavity is a practical method of developing the Cu-Nb composite superconducting cavity with superior thermal *** results presented here provide valuable insights for applying Cu-Nb composite superconducting cavities in su

关键词： Superconducting radio-frequency cavities Cu-Nb composite Mechanical and thermal stability Thermoelectrical effect Magnetic flux trapping effect

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Microstructures,corrosion behavior and mechanical properties of as-cast Mg-6Zn-2X(Fe/Cu/Ni)alloys for plugging tool applications

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International Journal of Minerals,Metallurgy and Materials 2024年第4期31卷 697-711页

作者： Baosheng Liu Jiali Wei Shaohua Zhang Yuezhong Zhang Pengpeng Wu Daqing Fang Guorui Ma School of Materials Science and Engineering Taiyuan University of Science and TechnologyTaiyuan 030024China State Key Laboratory for Mechanical Behavior of Materials Xi’an Jiaotong UniversityXi’an 710049China Intelligent Equipment Research and Development Center Zhuhai Institute of Advanced Technology Chinese Academy of SciencesZhuhai 519080China Advanced Materials Research Institute Zhuhai Dingmei Medical Technology Co.Ltd.Zhuhai 519000China

Mg-6Zn-2X(Fe/Cu/Ni)alloys were prepared through semi-continuous casting,with the aim of identifying a degradable magnesium(Mg)alloy suitable for use in fracturing balls.A comparative analysis was conducted to assess the impacts of adding Cu and Ni,which result in finer grains and the formation of galvanic corrosion *** electronic microscopy examination revealed that precipitated phases concentrated at grain boundaries,forming a semi-continuous network structure that facilitated corrosion penetration in Mg-6Zn-2Cu and Mg-6Zn-2Ni *** corrosion was observed in Mg-6Zn-2Fe,while galvanic corrosion was identified as the primary mechanism in Mg-6Zn-2Cu and Mg-6Zn-2Ni *** the tests,the Mg-6Zn-2Ni alloy exhibited the highest corrosion rate(approximately 932.9 mm/a)due to its significant potential *** testing showed that Mg-6Zn-2Ni alloy possessed suitable ultimate compressive strength,making it a potential candidate material for degradable fracturing balls,effectively addressing the challenges of balancing strength and degradation rate in fracturing applications.

关键词： magnesium alloys microstructure micro-galvanic corrosion mechanical properties

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Xenotime-type high-entropy(Dy_(1/7)Ho_(1/7)Er_(1/7)Tm_(1/7)Yb_(1/7)Lu_(1/7)Y_(1/7))PO_(4):A promising thermal/environmental barrier coating material for SiCf/SiC ceramic matrix composites

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Journal of advanced Ceramics 2023年第5期12卷 1033-1045页

作者： Peixiong Zhang Xingjun Duan Xiaochang Xie Donghai Ding Tao Yang Xinmei Hou Yunsong Zhao Enhui Wang Innovation Research Institute for Carbon Neutrality University of Science and Technology BeijingBeijing 100083China College of Materials Science and Engineering Xi’an University of Architecture and TechnologyXi’an 710055China Science and Technology on Advanced High Temperature Structural Materials Laboratory Beijing Institute of Aeronautical MaterialsBeijing 100095China

Rare-earth phosphates(REPO4)are regarded as one of the promising thermal/environmental barrier coating(T/EBC)materials for SiCf/SiC ceramic matrix composites(SiC-CMCs)owing to their excellent resistance to water vapor and CaO–MgO–Al_(2)O_(3)–SiO_(2)(CMAS).Nevertheless,a relatively high thermal conductivity(κ)of the REPO_(4) becomes the bottleneck for their practical *** this work,novel xenotime-type high-entropy(Dy_(1/7)Ho_(1/7)Er_(1/7)Tm_(1/7)Yb_(1/7)Lu_(1/7)Y_(1/7))PO4(HE(7RE_(1/7))PO_(4))has been designed and synthesized for the first time to solve this ***(7RE_(1/7))PO_(4) with a homogeneous rare-earth element distribution exhibits high thermal stability up to 1750℃and good chemical compatibility with SiO_(2) up to 1400℃.In addition,the thermal expansion coefficient(TEC)of HE(7RE_(1/7))PO_(4)(5.96×10^(−6)℃^(−1) from room temperature(RT)to 900℃)is close to that of the *** is more,the thermal conductivities of HE(7RE_(1/7))PO_(4)(from 4.38 W·m^(−1)·K^(−1) at 100℃to 2.25 W·m^(−1)·K^(−1) at 1300℃)are significantly decreased compared to those of single-component REPO4 with the minimum value ranging from 9.90 to 4.76 W·m^(−1)·K^(−1).These results suggest that HE(7RE_(1/7))PO_(4) has the potential to be applied as the T/EBC materials for the SiC-CMCs in the future.

关键词： high-entropy ceramics(HECs) (Dy_(1/7)Ho_(1/7)Er_(1/7)Tm_(1/7)Yb_(1/7))PO_(4)((7RE_(1/7))PO_(4)) thermal/environmental barrier coatings(T/EBCs) thermal expansion coefficient(TEC) thermal conductivity(κ)

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Deep learning-based classification,detection,and segmentation of tomato leaf diseases:A state-of-the-art review

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Artificial Intelligence in Agriculture 2025年第2期15卷 192-220页

作者： Aritra Das Fahad Pathan Jamin Rahman Jim Md Mohsin Kabir M.F.Mridha Department of Computer Science and Engineering American International University-BangladeshDhaka 1229Bangladesh Institute of Information and Communication Technology Shahjalal University of Science and TechnologySylhet 3114Bangladesh Advanced Machine Intelligence Research Lab Dhaka 1207Bangladesh Bangladesh University of Business and Technology DhakaBangladesh

The early identification and treatment of tomato leaf diseases are crucial for optimizing plant productivity,efficiency and *** by the farmers poses the risk of inadequate treatments,harming both tomato plants and *** of disease diagnosis is essential,necessitating a swift and accurate response to misdiagnosis for early *** regions are ideal for tomato plants,but there are inherent concerns,such as weather-related *** diseases largely cause financial losses in crop *** slow detection periods of conventional approaches are insufficient for the timely detection of tomato *** learning has emerged as a promising avenue for early disease *** study comprehensively analyzed techniques for classifying and detecting tomato leaf diseases and evaluating their strengths and *** study delves into various diagnostic procedures,including image pre-processing,localization and *** conclusion,applying deep learning algorithms holds great promise for enhancing the accuracy and efficiency of tomato leaf disease diagnosis by offering faster and more effective results.

关键词： Deep learning Tomato leaf disease Classification Detection Segmentation Imaging

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High temperature oxidation behavior at 1250 ℃:A new multilayer modified silicide coating design strategy on niobium alloys

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材料科学技术（英文版） 2025年第7期210卷 159-169页

作者： Shuqi Wang Zhiyun Ye Yulin Ge Yongchun Zou Tianlong Zhang Xinrui Zhao Mengjie Wang Ci Song Yaming Wang Yu Zhou Institute for Advanced Ceramics Harbin Institute of TechnologyHarbin 150001PR China Key Laboratory of Advanced Structure-Function Integrated Materials and Green Manufacturing Technology Harbin Institute of TechnologyHarbin 150001PR China Department of Mechanical and Aerospace Engineering The Hong Kong University of Science and TechnologyClear Water BayKowloonHong KongPR China Institute of Materials Mechanics Helmholtz-Zentrum HereonMax-Planck-Strasse 1 21502 GeesthachtGermany Faculty of Engineering Kiel UniversityKiel 24143Germany

Silicide coatings have proven to be promising for improving the high-temperature oxidation resistance of niobium ***,the long-term protective property of single silicide coating remains a long-time endeavor due to the deficiency of oxygen-consuming phases,as well as the self-healing ability of the protective ***,a silicide-based composite coating is constructed on niobium alloy by incor-poration of nano-SiC particles for enhancing the high-temperature oxidation *** oxi-dation results at 1250 ℃ for 50 h indicate that NbSi2/Nb2O5-SiO2/SiC multilayer coated sample with a low mass gain of 2.49 mg/cm2 shows an improved oxidation resistance compared with NbSi2 coating(6.49 mg/cm2).The enhanced high-temperature antioxidant performance of NbSi2/Nb2O5-SiO2/SiC multi-layer coating is mainly attributed to the formation of the protective SiO2 self-healing film and the high-temperature diffusion behavior of NbSi2/substrate.

关键词： Niobium alloys Silicide-based coating High-temperature oxidation resistance nano-SiC Liquid-plasma-assisted particle deposition and sintering

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