LARGE-SCALE

作品数：1143被引量：2655H指数：18
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High-dimensional large-scale mixed-type data imputation under missing at random
《Science China Mathematics》2025年第4期969-1000,共32页Wei Liu Guizhen Li Ling Zhou Lan Luo 
supported by National Key R&D Program of China(Grant No.2022YFA1003702);National Natural Science Foundation of China(Grant Nos.11931014 and 12271441)。
Missingness in mixed-type variables is commonly encountered in a variety of areas.The requirement of complete observations necessitates data imputation when a moderate or large proportion of data is missing.However,in...
关键词：IMPUTATION high-dimensional mixed-type data missing at random generalized factor model 
Influence of ground fissures on metro shield tunnels:Large-scale experiment and numerical analysis
《Journal of Rock Mechanics and Geotechnical Engineering》2025年第3期1356-1377,共22页Yuxuan Gou Qiangbing Huang Nina Liu Dongping Chen Jianbing Peng 
supported by the National Key Research&Development Program of China(Grant No.2023YFC3008404);the Key Laboratory of Earth Fissures Geological Disaster,Ministry of Natural Resources,China(Grant Nos.EFGD20240609 and EFGD20240610).
The recent upsurge in metro construction emphasizes the necessity of understanding the mechanical performance of metro shield tunnel subjected to the influence of ground fissures.In this study,a largescale experiment,...
关键词：Shield tunnel Ground fissure Large-scale experiment Mechanical performance Failure mode 
Doppler Rate Estimation for OTFS via Large-Scale Antenna Array
《ZTE Communications》2025年第1期115-122,共8页SHAN Yaru WANG Fanggang HAO Yaxing HUA Jian XIN Yu 
supported in part by the Fundamental Research Funds for the Central Universities under Grant No.2022JBQY004;the National Natural Science Foundation of China under Grant Nos.62471026 and 62221001;the Zhongguancun Xin Xi Disruptive Technology Innovation Foundation under Grant No.ZZ-2024-001;the Joint Funds for Railway Fundamental Research of National Natural Science Foundation of China under Grant No.U2368201;the Postdoctoral Fellowship Program and China Postdoctoral Science Foundation BX20240471;ZTE Industry-University-Institute Cooperation Funds under Grant No.HC-CN-03-2019-12。
Orthogonal time frequency space(OTFS)can resist the Doppler effect and guarantee reliable communication in high-speed scenarios.However,the Doppler rate induced by the relative acceleration between the transmitter and...
关键词：BEAMFORMING Doppler rate OTFS 
An improved efficient adaptive method for large-scale multiexplosives explosion simulations
《Defence Technology(防务技术)》2025年第3期28-47,共20页Tao Li Cheng Wang Baojun Shi 
supported by the National Natural Science Foundation of China(Grant Nos.12302435 and 12221002)。
Shock wave caused by a sudden release of high-energy,such as explosion and blast,usually affects a significant range of areas.The utilization of a uniform fine mesh to capture sharp shock wave and to obtain precise re...
关键词：Large-scale explosion Shock wave Adaptive method Fluid field simulations Efficient method 
Shear strength characteristics of mixing slag-stone ballast reinforcement with tire geo-scrap using large-scale direct shear tests
《Railway Engineering Science》2025年第1期94-107,共14页Morteza Esmaeili Hamidreza Heydari Maziar Mokhtari Sara Darvishi 
Utilizing the ballast layer with more durable and stable characteristics can help avoid significant expenses due to decreased maintenance efforts.Strengthening the ballast layer with different types of reinforcements ...
关键词：Ballast deterioration Ballast stabilization Steel slag aggregates Large-scale direct shear test Waste tire geoscrap 
A Review on Thermal Management of Li-ion Battery:from Small-Scale Battery Module to Large-Scale Electrochemical Energy Storage Power Station被引量：1
《Journal of Thermal Science》2025年第1期1-23,共23页CHEN Zhifeng JIA Li YIN Liaofei DANG Chao REN Honglei ZHANG Zhiqiang 
supported by the Fundamental Research Funds for the Central Universities(No.2023JBZY022)。
Li-ion battery is an essential component and energy storage unit for the evolution of electric vehicles and energy storage technology in the future.Therefore,in order to cope with the temperature sensitivity of Li-ion...
关键词：battery thermal management cooling methods small-scale battery module large-scale electrochemical energy storage power station 
A high-velocity star recently ejected by an intermediate-mass black hole in M15
《National Science Review》2025年第2期23-28,共6页Yang Huang Qingzheng Li Jifeng Liu Xiaobo Dong Huawei Zhang Youjun Lu Cuihua Du 
supported by the Strategic Priority Research Program of the Chinese Academy of Sciences(XDB0550103);the National Natural Science Foundation of China(12422303,11903027 and 11833006);the National Key R&D Program of China(2023YFA1608303 and 2019YFA0405503);support from the National Natural Science Foundation of China(11988101 and 11933004);the New Cornerstone Science Foundation through the New Cornerstone Investigator Program and the XPLORER PRIZE.;support from the National Natural Science Foundation of China(12373013);the National Natu-ral Science Foundation of China(11973001,12090040 and 12090044);the National Key R&D Program of China(2019YFA0405504).
The existence of intermediate-mass black holes(IMBHs)is crucial for understanding various astrophysical phenomena,yet their existence remains elusive,except for the LIGO-Virgo detection.We report the discovery of a hi...
关键词：intermediate-mass black hole Hills mechanism hypervelocity star globular cluster large-scale survey 
Exponential Attitude-Orbit Coordinated Control for Gravitational-Wave Detection Spacecraft Formation with Large-Scale Communication Delays
《Transactions of Nanjing University of Aeronautics and Astronautics》2025年第1期70-79,共10页XING Youpeng SONG Yinsheng YIN Zeyang CHEN Xiaofang 
supported by the Na⁃tional Key R&D Program of China(No.2022YFC2204800);the Graduate Student Independent Exploration and Innovation Program of Central South University(No.2024ZZTS 0767).
This paper concerns the exponential attitude-orbit coordinated control problems for gravitational-wave detection formation spacecraft systems.Notably,the large-scale communication delays resulting from oversized inter...
关键词：gravitational-wave detection spacecraft formation attitude-orbit coordinated control large-scale communication delays exponential stability 
Large-scale Preparation of Black CeO_(x) with Stable Oxygen Vacancies
《Chemical Research in Chinese Universities》2025年第1期40-47,共8页PENG Huan JIANG Mengmeng YE Jinfeng WANG Lei DING Shunmin CHEN Chao 
supported by the Science and Technology Research Program of the Education Department of Jiangxi Province,China(No.GJJ2202130);the National Natural Science Foundation of China(No.22262022).
Oxygen vacancy in ceria is a crucial regulation factor for modifying materials.The reduced oxygen vacancy will undergo rapid recombination and deactivation due to the imbalance perturbation of active oxygen species,th...
关键词：Black CeO_(x) Oxygen vacancy Ce-O_(v)-Si STABILIZATION Quartz sand 
Large-Scale Environmental DNA Metabarcoding Shows a Comprehensive Fish Community in the East China Sea:Do Water Layer and Habitat Matter?
《Journal of Ocean University of China》2025年第1期217-228,共12页WANG Xiaoyan ZHANG Haobo ZHONG Lanping SHIH Yijia JI Fenfen GAO Tianxiang 
funded by the National Key Research and Development Program of China(No.2023YFD2401903);the National Natural Science Foundation of China(No.41806180);the Science and Technology Project of Zhoushan(No.2022C41010);the Scientific Research Project of China Three Gorges Corporation(No.WWKY-2020-0079);the Shared Voyage Program of the National Natural Science Foundation of China in the East China Sea(No.NORC2019-02)。
Biodiversity serves as the foundation for human survival and development.Marine fishes play a crucial role in supporting both global biodiversity and food sources.The conventional methods for fish diversity and fisher...
关键词：environmental DNA metabarcoding fish diversity spatial distribution East China Sea 
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