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浏览/检索结果: 共7条，第1-7条 帮助 限定条件 内容类型：会议论文     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 The delimitation between airspace and outer space and the emergence of aerospace objects 会议论文 作者:  Su, Jinyuan 收藏  |  浏览/下载：1/0  |  提交时间：2019/12/03 Long lasting  Near space  Not given  Outer space   Internal Imperfection Detection of Concrete Composite Component Using Ultrasonic method and Impact-Echo method 会议论文 1st International Conference on Advances in Civil Infrastructure Engineering (ICACIE 2012), Changsha, PEOPLES R CHINA, SEP 15-16, 2012 作者:  Xiao, Yunfeng*;  Zhang, Dahai;  Liu, Li 收藏  |  浏览/下载：3/0  |  提交时间：2019/12/28 Ultrasonic  Concrete composite component  nondestructive test method  Delimitation  Impact-echo method   Approach of Concrete-filled Steel Tube Ultrasonic Method Based on Ann 会议论文 2011 International Conference on Vibration, Structural Engineering and Measurement, ICVSEM2011, Shanghai, China, October 21, 2011 - October 23, 2011 作者:  Xiao, Yun-feng* 收藏  |  浏览/下载：2/0  |  提交时间：2019/12/28 Ultrasonic  Concrete-filled steel tube  Artificial neural networks(ANN)  NDT  Delimitation   Study on the division of logistics hub and its influence scope in China 会议论文 Proceedings - International Conference on Management and Service Science, MASS, Wuhan, China, 2009 Zuliang; Duan1; 2; Xiaolei; Zhang1; Jun; Lei1; Xiaoyan; Quan1 收藏  |  浏览/下载：21/0  |  提交时间：2011/08/23 China - Comprehensive evaluation index system - Guangzhou - Logistics development - Logistics industry - National economy - Pearl River delta - Spatial differentiation - Sphere of influences - Voronoi diagrams - Yangtze river delta   Study on seasonal variety of ocean color and delimitation between river and sea in Yellow River Estuary based on TM images 会议论文 作者:  Ma Anqing;  Wang Qixiang;  Chen Shang;  Jia Yonggang;  Gao Zhenghui 收藏  |  浏览/下载：3/0  |  提交时间：2019/08/19 Yellow River Estuary  ocean color  delimitation  river and sea   Study on seasonal variety of ocean color and delimitation between river and sea in Yellow River Estuary based on TM images 会议论文 Goa, India, 11 15, 2006 - 11 17, 2006 作者:  Ma Anqing;  Wang Qixiang;  Chen Shang;  Jia Yonggang;  Gao Zhenghui 收藏  |  浏览/下载：3/0  |  提交时间：2018/12/07 Yellow River Estuary  ocean color  delimitation  river and sea   The challenge of species delimitation in narrowly distributed species: diversification without morphological change in stream salamander(Hynobiidae, Pachyhynobius) 会议论文 中国陕西西安, 0000-00-00 00:00:00 作者:  Hui WANG;  Tao PAN;  Baowei ZHANG 收藏  |  浏览/下载：2/0  |  提交时间：2019/04/22