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浏览/检索结果: 共5条，第1-5条 帮助 已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Experimental investigation on cantilever square CFST columns under lateral continuous impact loads 期刊论文 Journal of Constructional Steel Research, 2022, 卷号: 196 作者:  Feng, Zhujun;  Wang, Xiuli;  Zhang, Shengfu;  Chu, Yunpeng 收藏  |  浏览/下载：21/0  |  提交时间：2022/08/09 Concretes  Failure (mechanical)  Failure modes  Nanocantilevers  Prestressing  Tubular steel structures  Cantilever columns  Concrete filled steel tube columns  Concretefilled steel tubes (CFST)  Continuous impacts  Dynamic strain  Impact loads  Impact point  Lateral continuous impact  Square weathering concrete-filled steel tube  Wall thickness   Experimental and Numerical Study on Impact Behavior of Welded Hollow Sphere Joint under Continuous Impact Load 会议论文 Nanjing, China, May 10, 2019 - May 12, 2019 作者:  Wu, Chang;  Huang, Guiwu;  Ding, Jinwei 收藏  |  浏览/下载：0/0  |  提交时间：2020/11/15 Disasters  Elastoplasticity  Fluid mechanics  Plastic deformation  Reliability analysis  Shore protection  Software reliability  Spheres  Stiffness  Welding  Continuous impacts  Deformation modes  Deformation stages  Experimental and numerical studies  Finite element simulations  Generalized finite elements  Precise modeling  Weakening effect   Identifying the urban-rural fringe using wavelet transform and kernel density estimation: A case study in Beijing City, China 期刊论文 ENVIRONMENTAL MODELLING & SOFTWARE, 2016 Peng, Jian; Zhao, Shiquan; Liu, Yanxu; Tian, Lu 收藏  |  浏览/下载：6/0  |  提交时间：2017/12/03 Urban-rural fringe  Spatial continuous wavelet transform  Kernel density estimation  Land use degree index  Beijing City  ECOLOGICAL BOUNDARIES  LANDSCAPE STRUCTURE  CARBON STORAGE  UNITED-STATES  URBANIZATION  EXPANSION  SELECTION  DYNAMICS  IMPACTS  MODEL   Mechanical impact feature extraction method based on nonlinear manifold learning of continuous wavelet coefficients 期刊论文 Zhendong yu Chongji/Journal of Vibration and Shock, 2012, 卷号: 31, 期号: [db:dc_citation_issue], 页码: 106-111+126 作者:  Li, Mao-Lin;  Liang, Lin;  Wang, Sun-An;  Zhuang, Jian 收藏  |  浏览/下载：6/0  |  提交时间：2019/12/10 Continuous wavelet  Continuous wavelet transformation  Feature extraction methods  Frequency spectra  Global coordinates  Local tangent space alignment  Mechanical impacts  Non-linear manifold learning   RETRACTED ARTICLE: Empirical study of the impact of physical environment on the employees performance 会议论文 2011 2nd IEEE International Conference on Emergency Management and Management Sciences, ICEMMS 2011, Beijing, China, August 8, 2011 - August 10, 2011 作者:  Li, Yi 收藏  |  浏览/下载：0/0  |  提交时间：2017/01/18 Human resource management  Civil defense  Competition  Disasters  Industry  Management science  Risk management  Continuous improvements  Core competitiveness  Correlation analysis  Direct links  Empirical studies  Employee performance  Employee satisfaction  enterprise  Mental health  Physical environments  Significant impacts  Social development