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Frontiers of Computer Science 2024年第2期18卷 217-229页

作者： Yizheng WANG Xin zhang Ying JU Qing LIU Quan ZOU yazhou zhang Yijie DING Ying zhang Institute of Fundamental and Frontier Sciences University of Electronic Science and Technology of ChinaChengdu 610054China Yangtze Delta Region Institute(Quzhou) University of Electronic Science and Technology of ChinaQuzhou 324000China Beidahuang Industry Group General Hospital Harbin 150088China School of Informatics Xiamen UniversityXiamen 361005China Department of Anesthesiology Hospital(T.C.M)Affiliated to Southwest Medical UniversityLuzhou 646000China Software Engineering College Zhengzhou University of Light IndustryZhengzhou 450002China

Numerous studies have demonstrated that human microRNAs(miRNAs)and diseases are associated and studies on the microRNA-disease association(MDA)have been *** developed a model using a low-rank approximation-based link propagation algorithm with Hilbert–Schmidt independence criterion-based multiple kernel learning(HSIC-MKL)to solve the problem of the large time commitment and cost of traditional biological experiments involving miRNAs and diseases,and improve the model *** constructed three kernels in miRNA and disease space and conducted kernel fusion using *** propagation uses matrix factorization and matrix approximation to effectively reduce computation and time *** results of the experiment show that the approach we proposed has a good effect,and,in some respects,exceeds what existing models can do.

关键词： human miRNA-disease association multiple kernel learning link propagation miRNA similarity disease similarity

Sex-specific facilitation and reproduction of the gynodioecious cushion plant Arenaria polytrichoides on the Himalaya-Hengduan mountains,SW China

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Plant Diversity 2024年第2期46卷 247-255页

作者： Xufang Chen yazhou zhang Lishen Qian Renyu Zhou Hang Sun Jianguo Chen State Key Laboratory of Plant Diversity and Specialty Crops Kunming Institute of BotanyChinese Academy of SciencesKunmingYunnanChina Yunnan Key Laboratory of Plateau Wetland Conservation Restoration and Ecological ServicesSouthwest Forestry UniversityKunmingYunnanChina

When benefiting other beneficiaries,cushion plants may reciprocally receive feedback *** feedback effects on different sex morphs,however,remains *** this study,taking the gynodioecious Arenaria polytrichiodes as a model species,we aimed to assess the sex-specific facilitation intensity of cushion plant by measuring the beneficiary cover ratio,and to assess the potential costs in cushion reproductive functions by measuring the flower and fruit cover *** total beneficiary cover ratio was similar between females and *** produced much less flowers but more fruits than *** results suggested that females and hermaphrodites possess similar facilitation intensity,and female cushion *** may allocate more resources saved from pollen production to seed production,while hermaphrodites possibly allocate more resources to pollen production hence reducing seed *** surface areas covered by beneficiaries produced less flowers and fruits than areas without *** addition,strong negative correlations between beneficiary cover and flower cover were detected for both females and hermaphrodites,but the correlation strength were similar for these two sex ***,the correlation between beneficiary cover and fruit cover was only significantly negative for females,suggesting that beneficiary plants negatively affect fruit reproduction of females while have neutral effects on *** the results suggest that to facilitate other beneficiaries can induce reproductive costs on cushion ***,with females possibly suffering greater cost than *** differentiation in reproductive costs between sex morphs,in long-term perspective,may imply sex imbalance in population dynamics.

关键词： Facilitation intensity Feedback effect Sex-specific facilitation Nurse plant Population dynamics Reproductive function

Interfacial oxidized Pd species dominate catalytic hydrogenation of polar unsaturated bonds

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Nano Research 2024年第1期17卷 228-234页

作者： Pengyao You Shaoqi Zhan Pengpeng Ruan Ruixuan Qin Shiguang Mo yazhou zhang Kunlong Liu Lansun Zheng Nanfeng Zheng State Key Laboratory for Physical Chemistry of Solid Surfaces Collaborative Innovation Center of Chemistry for Energy Materialsand Department of ChemistryCollege of Chemistry and Chemical EngineeringXiamen UniversityXiamen 361005China Department of Chemistry BMCUppsala UniversityBMC Box 576Uppsala S-75123Sweden Department of Chemistry University of OxfordOxford OX13QZUK

The determination of catalytically active sites is crucial for the design of efficient and stable catalysts toward desired ***,the complexity of supported noble metal catalysts has led to controversy over the locations of catalytically active sites(e.g.,metal,support,and metal/support interface).Here we develop a structurally controllable catalyst system(Pd/SBA-15)to reveal the catalytic active sites for the selective hydrogenation of ketones to alcohol using acetophenone hydrogenation as model *** investigations demonstrated that unsupported Pd nanocrystals have no catalytic activity for acetophenone ***,oxidized Pd species were catalytically highly active for acetophenone *** catalytic activity decreased with the decreased oxidation state of *** work provides insights into the hydrogenation mechanism of ketones but also other unsaturated compounds containing polar bonds,e.g.,nitrobenzene,N-benzylidene-benzylamine,and carbon dioxide.

关键词： oxidized Pd metal/oxide interface constant particle size Pd/SBA-15 acetophenone hydrogenation

Degeneration of foundation cushion species induced by ecological constraints can cause massive changes in alpine plant communities

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Science China(Life Sciences) 2024年第4期67卷 789-802页

作者： Jianguo Chen Xufang Chen Lishen Qian yazhou zhang Bo Li Honghua Shi Lu Sun Christian Schöb Hang Sun Key Laboratory for Plant Diversity and Biogeography of East Asia Kunming Institute of BotanyChinese Academy of SciencesKunming 650201China University of Chinese Academy of Sciences Beijing 100049China College of Resources and Environment Yunnan Agricultural UniversityKunming 650500China Área de Biodiversidad y Conservación Universidad Rey Juan CarlosMóstoles 28933Spain

Foundational cushion plants can re-organize community structures and sustain a prominent proportion of alpine biodiversity,but they are sensitive to climate *** loss of cushion species can have broad consequences for associated *** potential plant community changes with the population dynamics of cushion plants remain,however,*** eight plant communities along a climatic and community successional gradient,we assessed cushion population dynamics,the underlying ecological constraints and hence associated plant community changes in alpine communities dominated by the foundational cushion plant Arenaria *** population dynamics of Arenaria are attributed to ecological constraints at a series of life history *** functions are constrained by increasing associated beneficiary plants;subsequent seedling establishment is constrained by temperature,water and light availability,extreme climate events,and interspecific competition;strong competitive exclusion may accelerate mortality and degeneration of cushion *** with cushion dynamics,species composition,abundance and community structure gradually *** cushion plants completely degenerate,previously cushion-dominated communities shift to relatively stable communities that are overwhelmingly dominated by *** warming may accelerate the degeneration process of *** of this foundational cushion plant will possibly induce massive changes in alpine plant communities and hence ecosystem functions in alpine *** assessment of the population dynamics of foundation species is critical for an effective conservation of alpine biodiversity.

关键词： alpine ecosystem biodiversity change climate change plant community dynamics foundation species global warming population dynamics

Design of a Technology Verification Platform for Space Electromagnetic Interference Signal Testing and Analysis

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Journal of Electronic Research and Application 2024年第5期8卷 72-79页

作者： Qi Liu Huiwen Du Chao zhang yazhou zhang China Electronics Technology Ceyear Technology Co. Ltd.Qingdao 266555Shandong ProvinceChina

This paper designs a space electromagnetic interference signal test and analysis technology verification *** article firstly introduces the general scheme of the technical verification platform and then describes each component unit of the hardware and the overall structure of the software in *** platform can achieve a 10 MHz~50 GHz working frequency band,1.2 GHz acquisition and real-time recording bandwidth,6 GB/s recording rate,and 12 TB recording capacity.

关键词： Real-time recording bandwidth Recording rate Recording capacity Playback analysis

Review of artificial intelligence applications in astronomical data processing

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Astronomical Techniques and Instruments 2024年第1期1卷 1-15页

作者： Hailong zhang Jie Wang yazhou zhang Xu Du Han Wu Ting zhang Xinjiang Astronomical Observatory Chinese Academy of SciencesUrumqi 830011China University of Chinese Academy of Sciences Beijing 100049China Key Laboratory of Radio Astronomy Chinese Academy of SciencesNanjing 210008China National Astronomical Data Center Beijing 100101China

Artificial Intelligence(AI)is an interdisciplinary research field with widespread *** aims at developing theoretical,methodological,technological,and applied systems that simulate,enhance,and assist human ***,notable accomplishments of artificial intelligence technology have been achieved in astronomical data processing,establishing this technology as central to numerous astronomical research areas such as radio astronomy,stellar and galactic(Milky Way)studies,exoplanets surveys,cosmology,and solar *** article systematically reviews representative applications of artificial intelligence technology to astronomical data processing,with comprehensive description of specific cases:pulsar candidate identification,fast radio burst detection,gravitational wave detection,spectral classification,and radio frequency interference ***,it discusses possible future applications to provide perspectives for astronomical research in the artificial intelligence era.

关键词： Astronomical techniques Astronomical methods Astroinformatics

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混凝土-岩石界面断裂试验研究进展

混凝土 2024年第1期 21-27页

作者：张亚洲钟红蒋新新中国水利水电科学研究院北京100048

对于建在岩基上的混凝土结构,混凝土/岩石界面是影响结构强度和稳定的薄弱环节,界面含有的裂纹缺陷在复杂荷载条件下可能扩展,从而导致工程结构的损伤破坏。开展混凝土/岩石界面的断裂试验研究,确定其断裂参数和断裂性能,对提高结构的... 详细信息

对于建在岩基上的混凝土结构,混凝土/岩石界面是影响结构强度和稳定的薄弱环节,界面含有的裂纹缺陷在复杂荷载条件下可能扩展,从而导致工程结构的损伤破坏。开展混凝土/岩石界面的断裂试验研究,确定其断裂参数和断裂性能,对提高结构的稳定性和耐久性具有重要意义。虽然关于混凝土和岩石的断裂均已有较多的试验研究,但针对两者之间界面断裂特性的研究尚处于起步阶段。对混凝土/岩石界面在静态和动态荷载作用下的断裂试验研究进行了综述。介绍了相关的试验方法和试验装置,分析了混凝土/岩石界面在静态和动态荷载作用下的断裂参数和裂纹扩展过程,并探讨了其在动态荷载作用下的应变率效应。

关键词：断裂试验混凝土岩石界面断裂动态断裂

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大直径盾构隧道成型质量巡检方法研究

工程科学学报 2024年第2期46卷 365-375页

作者：赵先琼邓凯张亚洲马英博夏毅敏中南大学机电工程学院长沙410083 中铁十四局集团大盾构工程有限公司南京211899

针对因工业应用成本限制,中、小盾构隧道成型质量无损检测技术迁移至大直径盾构隧道时精度、速度折损严重的问题,以巡检车为载体,集成二维激光扫描仪、编码器和计算机等设备,研制了大盾构隧道成型质量巡检车,并提出一种基于数字图像的... 详细信息

针对因工业应用成本限制,中、小盾构隧道成型质量无损检测技术迁移至大直径盾构隧道时精度、速度折损严重的问题,以巡检车为载体,集成二维激光扫描仪、编码器和计算机等设备,研制了大盾构隧道成型质量巡检车,并提出一种基于数字图像的盾构质量非对称巡检方法.分析大直径盾构的施工环境,滤除地面、车体点云,并采用邻域向量法提取中轴线,建立隧道中心坐标系.偏心布置巡检路线,按照点云密度将采样点云分为稠密侧和稀疏侧点云,通过不同方法实现对管片接缝特征的拾取:将稠密侧点云绕中轴线展开为二维灰度图像,并通过缩放、归一化、梯度阈值分割等方法实现接缝图像分割;基于直线方程对接缝进行分类,结合管片结构、布置点位,推导出稀疏侧接缝与稠密侧接缝的线性分布公式,间接拾取稀疏侧接缝.根据接缝特征点计算两侧管片边缘点云簇,计算管片错台量;剔除接缝点云簇,使用最小二乘法拟合隧道点云,计算隧道椭圆度.最后在某大直径盾构隧道进行巡检试验,试验结果表明:成型质量巡检车在十四米盾构隧道中巡检速度为3 km·h-1,与传统方法的错台量检测偏差小于2 mm,椭圆度检测偏差小于0.1%,可以满足大直径盾构隧道成型质量巡检的高速度、高精度、低成本需求.

关键词：大直径盾构隧道激光扫描阈值分割错台检测变形检测

基于机器人智能识别系统的大坝安全巡检技术研究

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云南水力发电 2024年第3期40卷 175-178页

作者：张亚洲深圳市深水水务咨询有限公司广东深圳518000

虽然测量机器人(即自动电子全站仪)可以自动(或半自动)监测大坝的外部变形,但监测站位置(监测基站)的稳定性对监测精度有很大影响,当测量视觉被覆盖时,测量机器人无法监测相应的变形点。为了解决上述问题,将GPS(全球定位系统)技术与测... 详细信息

虽然测量机器人(即自动电子全站仪)可以自动(或半自动)监测大坝的外部变形,但监测站位置(监测基站)的稳定性对监测精度有很大影响,当测量视觉被覆盖时,测量机器人无法监测相应的变形点。为了解决上述问题,将GPS(全球定位系统)技术与测量机器人相结合,开发了机器人智能识别系统(基于GPS的大坝安全机器人智能识别系统),彻底解决了上述问题,简化了监测程序,降低了监测的固定投资成本。介绍了基于GPS的大坝安全机器人智能识别系统的结构和工作原理,并给出了监测器实例。

关键词：机器人智能识别系统大坝安全巡检技术

ChatGPT可否充当情感专家?——调查其在情感与隐喻分析的潜力

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北京大学学报（自然科学版） 2024年第1期60卷 43-52页

作者：张亚洲王梦遥戎璐俞洋赵东明秦璟郑州轻工业大学软件学院郑州450002 香港理工大学护理学院中国香港999077 郑州轻工业大学人事处郑州450002 中国移动通信集团天津有限公司人工智能实验室天津3000201

为了探索ChatGPT情感分析能力以及对主观性和隐喻性理解的潜力,将ChatGPT在5个情感、幽默与隐喻基准数据集上展开评估,通过与领域内最前沿的模型对比,讨论其在不同任务上的优势与局限。此外,还通过对比ChatGPT与人类在情感分析中的性能... 详细信息

为了探索ChatGPT情感分析能力以及对主观性和隐喻性理解的潜力,将ChatGPT在5个情感、幽默与隐喻基准数据集上展开评估,通过与领域内最前沿的模型对比,讨论其在不同任务上的优势与局限。此外,还通过对比ChatGPT与人类在情感分析中的性能差别,发现ChatGPT在情感、幽默与隐喻任务上与人类结果分别相差9.52%,16.64%和6.69%。实验结果表明,尽管ChatGPT在对话生成方面获得最佳表现,但是其在情感理解方面仍具有改进的潜力。最后,通过改善提示模板,调查ChatGPT在情感理解场景下对提示模板的敏感性。

关键词： ChatGPT 情感分析幽默检测隐喻识别

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