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IRREGULARITY: 作品数：64被引量：123H指数：6; 导出分析报告; 相关作者：朱映雪金守华申仲翰刘玉标更多>>; 相关机构：中国铁建股份有限公司中南大学中国科学院力学研究所华南师范大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家教育部博士点基金更多>>

Experimental study on the acoustic roughness spectrum of high-speed railway rails: 《Railway Sciences》2024年第6期704-716,共13页Li Han Xiangyang Wu Qing Yu Lanhua Liu Chenge Wang; supported by multiple funding sources,including the China State Railway Group Co.,Ltd.’s Science and Technology Development Plan(Project Code:P2022Z003).; Purpose–This study aims to investigate the acoustic roughness of rails on China’s high-speed railways,with a focus on short-wavelength irregularities(less than 80 cm),which are known to significantly contribute to n...; 关键词：High-speed railway RAIL Acoustic roughness Short-wavelength irregularity

Neighborhood predictors of short sleep duration and bedtime irregularity among children in the United States: results from the 2019-2020 National Surveyof Children's Health: 《World Journal of Pediatrics》2024年第1期73-81,共9页Ying Dai Jianghong Liu; Background Environmental factors may contribute to short sleep duration and irregular bedtime in children.Neighborhood factors and children's sleep duration and bedtime regularity remain a less investigated area.The a...; 关键词：Child National Survey of Children's Health Neighborhood.Sleep Social determinants of health

Effect of Single- versus Double-Layer Uterine Closure during Caesarean Section on Niche Formation and Menstrual Irregularity: 《Open Journal of Obstetrics and Gynecology》2024年第1期57-68,共12页Mohamed Samy Esraa Hussein Fouad Ghoneimy Walid Hitler; Background: The myometrium at the location of the CS (caesarean section) scars, also known as residual myometrium thickness (RMT), is larger after a double-layer uterine closure procedure than following a single-layer...; 关键词：SINGLE-LAYER Double Caesarean Section Residual Myometrium Thickness

Menstrual irregularity,pregnancy outcomes,and birth outcomes in patients with systemic lupus erythematosus of childbearing age in China:a multicenter cross-sectional study被引量：2: 《Chinese Medical Journal》2023年第23期2886-2888,共3页Yuke Hou Jiayang Jin Liang Luo Yuchao Zhong Zhe Peng Ziyi Song Chun Li Xuewu Zhang; Beijing Natural Science Foundation(No.7192211);China International Medical Foundation(No.Z-2018-40-2101); To the Editor:Systemic lupus erythematosus(SLE)is an autoimmune disease that tends to affect females of childbearing age.There are nearly 4 million people in China currently suffering from SLE,which can cause multiple...; 关键词：PATIENTS sectional BIRTH

Potential Characteristics of Supervisory Board,Company Asset Scale and Irregularity of Listed Companies:Empirical Analysis Based on Heckman Two-Stage Model: 《Journal of Systems Science and Information》2023年第2期179-203,共25页Yang CHEN Jian XU; Based on heterogeneity extraction,this paper analyzes four potential characteristics of the supervisory board,they are Individual Heterogeneity of the Supervisory Member(Internal Heterogeneity),Organization Size of th...; 关键词：heterogeneous factors potential characteristics company asset scale factor analysis Heckman two-stage model

Probabilistic stability of uncertain composite plates and stochastic irregularity in their buckling mode shapes:A semi-analytical non-intrusive approach: 《Frontiers of Structural and Civil Engineering》2023年第2期179-190,共12页Arash Tavakoli MALEKI Hadi PARVIZ Akbar A.KHATIBI Mahnaz ZAKERI; In this study,the mechanical properties of the composite plate were considered Gaussian random fields and their effects on the buckling load and corresponding mode shapes were studied by developing a semi-analytical n...; 关键词：uncertain composite plate stochastic assume mode method Karhunen−Loève theorem polynomial chaos approach plate buckling irregularity in buckling mode shapes

BLNet:Bidirectional learning network for point clouds被引量：3: 《Computational Visual Media》2022年第4期585-596,共12页Wenkai Han Hai Wu Chenglu Wen Cheng Wang Xin Li; supported by the National Natural Science Foundation of China(Grant No.62171393);National Key R&D Program of China(Grant No.2021YFF0704600).; The key challenge in processing point clouds lies in the inherent lack of ordering and irregularity of the 3D points.By relying on per-point multi-layer perceptions(MLPs),most existing point-based approaches only addr...; 关键词：point clouds IRREGULARITY shape features bidirectional learning

Discrete Element Modeling of a Subduction Zone with a Seafloor Irregularity and its Impact on the Seismic Cycle: 《Acta Geologica Sinica(English Edition)》2022年第3期776-790,共15页JIAO Liqing CHAN Chung-Han Luc SCHOLTÈS Aurélia HUBERT-FERRARI Frédéric-Victor DONZÉ Paul TAPPONNIER; This work is Earth Observatory of Singapore contribution(No.M4430217.B50.706022);the Ministry of Science and Technology(Grant Nos.MOST 109-2116-M-008-029-MY3,MOST 110-2124-M-002-008,and MOST 110-2634-F-008-008)。; Seafloor irregularities influence rupture behavior along the subducting slab and in the overriding plate,thus affecting earthquake cycles.Whether seafloor irregularities increase the likelihood of large earthquakes in...; 关键词：discrete element modeling subduction zone MEGATHRUST splay backthrust faults SEAMOUNT Mentawai

Multivariate Analyses for Finding Significant Track Irregularities to Generate an Optimal Track Maintenance Schedule: 《American Journal of Operations Research》2022年第6期261-292,共32页Mami Matsumoto Masashi Miwa Tatsuo Oyama; We first discuss the relationship between the optimal track maintenance scheduling model and an efficient detection method for abnormal track irregularities given by the longitudinal level irregularity displacement (L...; 关键词：Multivariate Analysis Track Maintenance Scheduling Track Irregularity Longitudinal Level Irregularity Displacement Cluster Analysis Principal Component Analysis Binomial Logit Regression Model Ordinal Logit Regression Model

Geometrical characteristic investigation of the Baihetan irregular columnar jointed basalt and corresponding numerical reconstruction method被引量：3: 《Journal of Central South University》2022年第2期455-469,共15页ZHANG Jian-cong JIANG Quan FENG Guang-liang LI Shao-jun PEI Shu-feng HE Ben-guo; Projects(51621006,51779251)supported by the National Natural Science Foundation of China。; Columnar jointed rock mass with unique geometric and geological properties is one spectacular example of geometrical order in nature.Columnar joints are generally accepted to be formed by spatially uniform volume cont...; 关键词：columnar jointed basalt geometrical characteristics degree of irregularity numerical construction modified Voronoi polygon method

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