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Advances in Atmospheric Sciences 2024年第7期41卷 1438-1449页

作者： Zibo ZHUANG Kunyun LIN Hongying ZHANG pak-Wai CHAN Flight Academy Civil Aviation University of ChinaTianjin 300300China School of Electronic Information and Automation Civil Aviation University of ChinaTianjin 300300China Aviation Weather Services Hong Kong ObservatoryHong KongChina

As the risks associated with air turbulence are intensified by climate change and the growth of the aviation industry,it has become imperative to monitor and mitigate these threats to ensure civil aviation *** eddy dissipation rate(EDr)has been established as the standard metric for quantifying turbulence in civil *** study aims to explore a universally applicable symbolic classification approach based on genetic programming to detect turbulence anomalies using quick access recorder(QAr)*** detection of atmospheric turbulence is approached as an anomaly detection *** evaluations demonstrate that this approach performs on par with direct EDr calculation methods in identifying turbulence ***,comparisons with alternative machine learning techniques indicate that the proposed technique is the optimal methodology currently *** summary,the use of symbolic classification via genetic programming enables accurate turbulence detection from QAr data,comparable to that with established EDr approaches and surpassing that achieved with machine learning *** finding highlights the potential of integrating symbolic classifiers into turbulence monitoring systems to enhance civil aviation safety amidst rising environmental and operational hazards.

关键词： turbulence detection symbolic classifier quick access recorder data

Spreadsheet quality assurance:a literature review

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Frontiers of Computer Science 2024年第2期18卷 61-82页

作者： pak-Lok POON Man Fai LAU Yuen Tak YU Sau-Fun TANG School of Engineering and Technology Central Queensland UniversityMelbourne 3000Australia Department of Computing Technologies Swinburne University of TechnologyHawthorn 3122Australia Department of Computer Science City University of Hong KongHong Kong SAR 999077China The royal Victorian Eye and Ear Hospital East Melbourne 3002Australia

Spreadsheets are very common for information processing to support decision making by both professional developers and non-technical end ***,business intelligence and artificial intelligence are increasingly popular in the industry nowadays,where spreadsheets have been used as,or integrated into,intelligent or expert systems in various application ***,it has been repeatedly reported that faults often exist in operational spreadsheets,which could severely compromise the quality of conclusions and decisions based on the *** a view to systematically examining this problem via survey of existing work,we have conducted a comprehensive literature review on the quality issues and related techniques of spreadsheets over a 35.5-year period(from January 1987 to June 2022)for target journals and a 10.5-year period(from January 2012 to June 2022)for target *** other findings,two major ones are:(a)Spreadsheet quality is best addressed throughout the whole spreadsheet life cycle,rather than just focusing on a few specific stages of the life cycle.(b)relatively more studies focus on spreadsheet testing and debugging(related to fault detection and removal)when compared with spreadsheet specification,modeling,and design(related to development).As prevention is better than cure,more research should be performed on the early stages of the spreadsheet life *** by our comprehensive review,we have identified the major research gaps as well as highlighted key research directions for future work in the area.

关键词： decision support system end-user computing end-user programming Excel spreadsheet

Tricuspid mass-curious case of Li-Fraumeni syndrome: A case report

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World Journal of Clinical Cases 2024年第11期12卷 1936-1939页

作者： Tyler Huffaker Stella pak Anum Asif Prince Otchere Department of Cardiology University of Texas Health San AntonioSan AntonioTX 78701United States Department of Neurology Albany Medical CenterAlbanyNY 12208United States

BACKGrOUND Li-Fraumeni syndrome(LFS)is a rare autosomal dominant cancer-predisposing syndrome,which can manifest as a polymorphic spectrum of *** is associated with an early onset in life,with the majority of cases occurring prior to the age of *** the infrequency of primary cardiac tumors,it behooves clinicians to remain vigilant in considering the differential diagnosis of such tumors in LFS patients who present with a cardiac *** is due to the markedly elevated risk for malignancy in this particular population,far surpassing that of the general *** SUMMArY Herein,we present a case of a 30-year-old female with LFS who was found to have a tricuspid valve leaflet *** This case exemplifies valuable learning points in the diagnostic approach for this exceptionally rare patient population.

关键词： Li-Fraumeni syndrome Cardiac mass Intracardiac thrombus Transesophageal echocardiogram Cardiac magnetic resonance imaging Case report

Multi-region calcium imaging in freely behaving mice with ultra-compact head-mounted fluorescence microscopes

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National Science review 2024年第1期11卷 161-173页

作者： Feng Xue Fei Li Ke-ming Zhang Lufeng Ding Yang Wang Xingtao Zhao Fang Xu Danke Zhang Mingzhai Sun pak-Ming Lau Qingyuan Zhu Pengcheng Zhou Guo-Qiang Bi Department of Precision Machinery and Precision Instruments University of Science and Technology of China Hefei National Laboratory for Physical Sciences at the Microscale University of Science and Technology of China Interdisciplinary Center for Brain Information the Brain Cognition and Brain Disease Institute Shenzhen Institute of Advanced Technology Chinese Academy of Sciences Faculty of Life and Health Sciences Shenzhen Institutes of Advanced Technology Chinese Academy of Sciences School of Life Sciences University of Science and Technology of China Institute of Semiconductors Chinese Academy of Sciences Department of Modern Life Sciences and Biotecnology Xiongan Institute of Innovation Xiongan New Area Shenzhen-Hong Kong Institute of Brain Science-Shenzhen Fundamental research Institutions Suzhou Institute for Advanced research University of Science and Technology of China Institute of Artiflcial Intelligence Hefei Comprehensive National Science Center

To investigate the circuit-level neural mechanisms of behavior, simultaneous imaging of neuronal activity in multiple cortical and subcortical regions is highly desired. Miniature head-mounted microscopes offer the capability of calcium imaging in freely behaving animals. However, implanting multiple microscopes on a mouse brain remains challenging due to space constraints and the cumbersome weight of the ***, we present TINIscope, a Tightly Integrated Neuronal Imaging microscope optimized for electronic and opto-mechanical design. With its compact and lightweight design of 0.43 g, TINIscope enables unprecedented simultaneous imaging of behavior-relevant activity in up to four brain regions in ***-of-concept experiments with TINIscope recorded over 1000 neurons in four hippocampal subregions and revealed concurrent activity patterns spanning across these regions. Moreover, we explored potential multi-modal experimental designs by integrating additional modules for optogenetics, electrical stimulation or local field potential recordings. Overall, TINIscope represents a timely and indispensable tool for studying the brain-wide interregional coordination that underlies unrestrained behaviors.

关键词： miniature microscope multiple sites calcium imaging multimodal integration hippocampus

ChatGPT智能处理器使用我们的语言吗?

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哲学分析 2024年第4期15卷 3-16,196页

作者：周柏乔香港公开大学中国香港

有人说ChatGPT智能处理器只会吐出话语,不(会)说话。尽管它的话有意思,而且可以被理解,但理解它的话真的在于挖掘它的“心思”或“心意”吗?假定与其对话的自然人都认为ChatGPT没有“心思”或“心意”,却发现对话有意思,起码有助于一般... 详细信息

有人说ChatGPT智能处理器只会吐出话语,不(会)说话。尽管它的话有意思,而且可以被理解,但理解它的话真的在于挖掘它的“心思”或“心意”吗?假定与其对话的自然人都认为ChatGPT没有“心思”或“心意”,却发现对话有意思,起码有助于一般人通过ChatGPT的话语进一步认识自己的“心思”或“心意”,这是否意味着ChatGPT是个语言使用者,和人类的语言使用者一样,可通过与人们的对话帮助自然人认识自己的想法?如果是这样,就会出现矛盾:它不(会)说话却成为语言使用者。借用蒯因的翻译理论、戴维森的诠释理论以及维特根斯坦的后期论述,可以说明自然人有哪些语言本领,AI工程当予以实现,ChatGPT智能处理器方可媲美自然人的语言使用能力。

关键词： ChatGPT 蒯因戴维森维特根斯坦

Local Climate Change Induced by Urbanization on a South China Sea Island

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Journal of Tropical Meteorology 2024年第1期30卷 11-19页

作者：郝宇李磊陈柏纬孙伟戴永久 School of Atmospheric Sciences Southern Marine Science and Engineering Guangdong Laboratory(Zhuhai)Sun Yatsen UniversityZhuhaiGuangdong 519082 China Guangdong Provincial Observation and research Station for Climate Environment and Air Quality Change in the Pearl river Estuary ZhuhaiGuangdong 519082 China Key Laboratory of Tropical Atmosphere-Ocean System Ministry of EducationSun Yat-sen UniversityZhuhaiGuangdong 519082 China Guangdong Provincial Marine Meteorology Science Data Center Guangzhou 510640 China Hong Kong Observatory KowloonHongkong 999077 China Meteorological Bureau of Sansha City SanshaHainan 573199 China

The South China Sea is a hotspot for regional climate *** the past 40 years,considerable improvement has been made in the development and utilization of the islands in the South China Sea,leading to a substantial change in the land-use of the ***,research on the impact of human development on the local climate of these islands is *** study analyzed the characteristics of local climate changes on the islands in the South China Sea based on data from the Yongxing Island Observation Station and ErA5 ***,the influence of urbanization on the local climate of the South China Sea islands was explored in this *** findings revealed that the 10-year average temperature in Yongxing Island increased by approximately 1.11℃from 1961 to 2020,and the contribution of island development and urbanization to the local warming rate over 60 years was approximately 36.2%.The linear increasing trend of the annual hot days from 1961–2020 was approximately 14.84 days per *** diurnal temperature range exhibited an increasing trend of 0.05℃per decade,whereas the number of cold days decreased by 1.06days per *** rapid increase in construction on Yongxing Island from 2005 to 2021 led to a decrease in observed surface wind speed by 0.32 m s^(-1)per ***,the number of days with strong winds decreased,whereas the number of days with weak winds ***,relative humidity exhibited a rapid decline from 2001 to 2016 and then *** study also found substantial differences between the ErA5 re-analysis and observation data,particularly in wind speed and relative humidity,indicating that the use of re-analysis data for climate resource assessment and climate change evaluation on island areas may not be feasible.

关键词： local climate climate change Yongxing Island a South China Sea island climate change induced by urbanization

Age and petrogenesis of the newly discovered Early Permian granite in the Kumtor gold field， Kyrgyz Tien-Shan

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Journal of Earth Science 2024年

作者： Kyiazbek Asilbekov rustam Orozbaev Etienne Skrzypek Christoph Hauzenberger Elena Ivleva Daniela Gallhofer Jian-Feng Gao Nikolay pak Anatoliy Shevkunov Anatoliy Bashkirov Aizat Zhaanbaeva Institute of Geology， National Academy of Sciences of the Kyrgyz republic Institute of Earth Sciences， University of Graz State Key Laboratory of Ore Deposit Geochemistry， Institute of Geochemistry， Chinese Academy of Sciences Kumtor Gold Company CJSC

Permian intrusions are widespread in the Middle and Southern Tien Shan， with fewer occurrences in the Northern Tien-Shan. Notably， many of these intrusions are spatially associated with a variety of ore deposits， indicating a significant link between magmatic activity and mineralization processes in these areas. We studied granite samples recently recovered from drilling in the Kumtor gold field to evaluate their potential relationships with gold mineralization. We report major and trace element geochemistry， zircon U-Pb age and Hf isotope data for this so-called Kumtor granite. The Kumtor granite is metaluminous to peraluminous and belongs to the high-K and calc-alkaline series with I-type geochemical characteristics. The relatively high K2O and Na2O concentrations and low high field strength elements （HFSE） and heavy rare earth elements （HrEE）， the presence of biotite within these I-type granites， together with their low zircon saturation temperatures （731–779 °C）， suggest that they were likely derived from a hydrous source formed by dehydration melting of mica-bearing， medium- to high-K metabasaltic rocks. Our zircon U-Pb dating results indicate that the Kumtor granite intruded at 293 ± 1.7 Ma， which is consistent with the age range of other Middle Tien-Shan granitoids. The zircon Hf isotopic composition is εHf（t）= –7.56 to –5.05， indicating an ancient （1.39 to 1.52 Ga） crustal origin. Petrographical， geochemical and geochronological data indicate that the Kumtor granite is similar to leuco-granites of the Terekty complex. Our results indicate that the Kumtor granite was emplaced in the early Permian in a post-collision setting and may have temporal and genetic relationships with gold mineralization.

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中亚成矿域西部早二叠世金、镍重大成矿事件

矿床地质 2024年第4期43卷 749-784页

作者：薛春纪赵晓波赵云赵伟策莫宣学肖文交马华东朱炳玉 Nikolay pak Bakhtiar Nurtaev 邓军侯增谦地质过程与矿产资源国家重点实验室中国地质大学地球科学与资源学院北京100083 新疆维吾尔自治区人民政府国家305项目办公室新疆乌鲁木齐830063 北京市矿产地质研究院有限责任公司北京100012 中国科学院新疆生态与地理研究所新疆矿产资源研究中心新疆乌鲁木齐830011 吉尔吉斯斯坦国家科学院地质研究所比什凯克720481 乌兹别克斯坦国立地质大学地质与地球物理研究所塔什干100041 中国地质科学院地质研究所自然资源部深地动力学重点实验室北京100037

晚古生代是地球历史上一个重要时期,蕴含着潘吉亚超大陆、规模最大冰期、最严重的生物大灭绝以及巨量矿产资源形成的关键信息。地处欧亚大陆腹地的中亚成矿域是全球最大的显生宙大陆增生区,以晚古生代大规模成矿为显著特色,尤其早二叠世... 详细信息

晚古生代是地球历史上一个重要时期,蕴含着潘吉亚超大陆、规模最大冰期、最严重的生物大灭绝以及巨量矿产资源形成的关键信息。地处欧亚大陆腹地的中亚成矿域是全球最大的显生宙大陆增生区,以晚古生代大规模成矿为显著特色,尤其早二叠世(270~290 Ma)在中亚成矿域西部天山及邻区巨量金、镍爆发性集中成矿作用,造就出世界第二大金成矿省,形成了超过10000 t金,造就出具有世界特色的造山带岩浆型镍矿集区,形成了包括8个大型-超大型矿床在内的东天山、额尔齐斯、北山3个重要镍矿床集中区,镍资源达250万t,是一次全球罕见的金-镍时间耦合重大成矿事件。文章基于最新研究成果,系统论述了中亚成矿域西部早二叠世金、镍大规模成矿的时空分布和基本地质特征,探讨了该重大成矿事件的区域动力学背景和可能成矿机制。研究认为,早二叠世金矿床产于天山古缝合带附近的脆/韧性构造变形带,构成独具特色的大陆变形带金成矿系统,已有成矿理论难以涵盖,含碳碎屑岩系、地块抬升导致的大规模区域变质作用、多来源的流体作用、多期构造活化富集、多种因素耦合叠加等,可能是大规模金成矿的关键条件;早二叠世镍矿床沿天山、北山、阿尔泰地区深大断裂附近的镁铁-超镁铁质岩体线性展布,是全球造山带镍成矿作用最强烈、发现矿床数量最多的地区,俯冲熔/流体的交代岩石圈地幔/软流圈发生高程度部分熔融、区域超壳深断裂为玄武质岩浆提供快速运移的通道、壳源物质加入触发硫化物熔离、硫化物与多幕脉动侵位的岩浆反应是造山带岩浆型镍大规模成矿的关键。整体上,中亚成矿域西部早二叠世金、镍重大成矿事件表现为“时间耦合、西金东镍”的时空格局,但大规模成矿的全球和区域动力学背景、金与镍富集机制及成矿响应机理还是未解之谜。

关键词：早二叠世大陆变形带金成矿系统造山带岩浆型镍成矿系统重大成矿事件中亚成矿域西部

Numerical simulation of sanding using a coupled hydro-mechanical sand erosion model

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Journal of rock Mechanics and Geotechnical Engineering 2020年第4期12卷 811-820页

作者： Majid Fetrati Ali pak Department of Civil Engineering Sharif University of TechnologyTehranIran

Mechanical failure of materials adjacent to the production cavity and material disaggregation caused by fluid drag are considered as the most important parameters that affect sand *** light of such factors,the coupling of two mechanisms-mechanical instability and hydrodynamic erosion-is indispensable in order to model this phenomenon *** paper examines the applicability of a coupled hydro-mechanical erosion criterion for simulating sand production using the finite element *** porous medium was considered fully *** onset of sanding and production of sand were predicted by coupling mechanical failure and subsequent erosion of the grain particles utilizing a sanding *** consider the erosion process,the Papamichos and Stavropoulou(1998)’s sand erosion criterion was incorporated into the finite element *** Lagrangian-Eulerian(ALE)adaptive mesh approach was used to account for large amounts of erosive material ***,in order to address the problem of severe mesh distortion,the“mesh mapping technique”was *** production in a horizontal wellbore and in a field case was simulated to demonstrate capabilities of the proposed *** addition,principal parameters affecting sand production,including in situ stresses,cohesion,perforation orientation,and drawdown were *** results indicated the efficiency of the model used in evaluation of sanding in the *** studies indicated that in situ stresses and formation cohesion could be considered as dominant factors affecting the amount of sand production.

关键词： Sand production Finite element method Sanding criterion Hydro-mechanical coupling

real-Time Network Intrusion Prevention System Using Incremental Feature Generation

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Computers, Materials & Continua 2022年第1期70卷 1631-1648页

作者： Yeongje Uhm Wooguil pak research and Business Development Foundation Yeungnam UniversityGyeongsanGyeongbuk38541Korea Department of Information and Communication Engineering Yeungnam UniversityGyeongsanGyeongbuk38541Korea

Security measures are urgently required to mitigate the recent rapid increase in network security *** methods employing machine learning have been researched and developed to detect various network attacks effectively,these are passive approaches that cannot protect the network from attacks,but detect them after the end of the *** such passive approaches cannot provide fundamental security solutions,we propose an active approach that can prevent further damage by detecting and blocking attacks in real time before the session *** proposed technology uses a two-level classifier structure:the first-stage classifier supports real-time classification,and the second-stage classifier supports accurate ***,the proposed approach can be used to determine whether an attack has occurred with high accuracy,even under heavy *** extensive evaluation,we confirm that our approach can provide a high detection rate in real ***,because the proposed approach is fast,light,and easy to implement,it can be adopted in most existing network security ***,we hope to mitigate the limitations of existing security systems,and expect to keep networks faster and safer from the increasing number of cyber-attacks.

关键词： Network intrusion detection network intrusion prevention realtime two-level classifier