QQ客服 官方微博 反馈留言

浏览/检索结果: 共32条，第1-10条 帮助 限定条件 发表日期：2020     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 Effect of Y on the hot tearing susceptibility of 3Y2O3/Al5Cu composite 期刊论文 Journal of Alloys and Compounds, 2020, 卷号: 849 作者:  Zhang, Xiaobo;  Li, Dong;  Zeng, Long;  Wan, Xiongbin;  Feng, Baigang 收藏  |  浏览/下载：7/0  |  提交时间：2022/02/17 Binary alloys  Copper alloys  Grain boundaries  Grain growth  Grain refinement  Grain size and shape  Shrinkage  Solidification  Ternary alloys  Cracks initiations  Grain refinement efficiency  Growth restriction  Hot tearing susceptibility  Mechanism analysis  Phase formations  Solidification process  Solidification temperature   Effect of Y on the hot tearing susceptibility of 3Y2O3/Al5Cu composite 期刊论文 Journal of Alloys and Compounds, 2020, 卷号: 849 作者:  Zhang, Xiaobo;  Li, Dong;  Zeng, Long;  Wan, Xiongbin;  Feng, Baigang 收藏  |  浏览/下载：19/0  |  提交时间：2020/11/14 Binary alloys  Copper alloys  Grain boundaries  Grain growth  Grain refinement  Grain size and shape  Shrinkage  Solidification  Ternary alloys  Cracks initiations  Grain refinement efficiency  Growth restriction  Hot tearing susceptibility  Mechanism analysis  Phase formations  Solidification process  Solidification temperature   A study of GPS PPP velocity estimation with the constraints of Doppler observation 期刊论文 ADVANCES IN SPACE RESEARCH, 2020, 卷号: 66, 期号: 12, 页码: 2900-2913 作者:  Wang, Xingxing;  Tu, Rui;  Zhang, Rui;  Han, Junqiang;  Fan, Lihong 收藏  |  浏览/下载：19/0  |  提交时间：2021/11/29 Precise point positioning  Carrier phase observation  Doppler observation  Velocity estimation   Characterization of biases between BDS-3 and BDS-2, GPS, Galileo and GLONASS observations and their effect on precise time and frequency transfer 期刊论文 Measurement Science and Technology, 2020, 卷号: 32, 期号: 3 作者:  Zhang,Pengfei;  Tu,Rui;  Han,Junqiang;  Gao,Yuping;  Zhang,Rui 收藏  |  浏览/下载：22/0  |  提交时间：2021/11/29 BDS-3  ISB  time and frequency transfer  GNSS   Deep Convolutional Neural Network-Aided Detection of Portal Hypertension in Patients With Cirrhosis 期刊论文 CLINICAL GASTROENTEROLOGY AND HEPATOLOGY, 2020, 卷号: 18, 期号: 13, 页码: 2998-+ 作者:  Liu, Yanna;  Ning, Zhenyuan;  Ormeci, Necati;  An, Weimin;  Yu, Qian 收藏  |  浏览/下载：51/0  |  提交时间：2021/01/06 HVPG  Diagnostic  Deep Learning  AI   Detection and analysis of Galileo signal in space anomalies from 2017 to 2018 期刊论文 IET RADAR SONAR AND NAVIGATION, 2020, 卷号: 14, 期号: 11, 页码: 1690-1696 作者:  Fan, Lihong;  Tu, Rui;  Zhang, Rui;  Han, Junqiang;  Zhang, Pengfei 收藏  |  浏览/下载：19/0  |  提交时间：2021/11/29 distance measurement  error analysis  satellite navigation  aircraft landing guidance  radio receivers  Galileo signal  space anomalies  broadcast ephemeris  user navigation  SIS anomaly  advanced receiver autonomous integrity monitoring  precise ephemeris  SIS error  healthy Galileo satellites  corresponding detection thresholds  satellite SIS anomalies  satellite clock error  SIS stability  time 7  0 hour  time 2  5 hour  time 50  0 hour  time 4  5 hour   Initial evaluation and analysis of NRTK positioning performance with new BDS-3 signals 期刊论文 Measurement Science and Technology, 2020, 卷号: 32, 期号: 1 作者:  Liu,Jinhai;  Tu,Rui;  Han,Junqiang;  Zhang,Rui;  Fan,Lihong 收藏  |  浏览/下载：25/0  |  提交时间：2021/01/11 BDS  NRTK  virtual reference station  double-different correction  ambiguity resolution   Real-time detection of BDS orbit manoeuvres based on the combination of GPS and BDS observations 期刊论文 IET RADAR SONAR AND NAVIGATION, 2020, 卷号: 14, 期号: 10, 页码: 1603-1609 作者:  Tu, Rui;  Zhang, Rui;  Liu, Zhanke;  Fan, Lihong;  Han, Junqiang 收藏  |  浏览/下载：39/0  |  提交时间：2021/11/29 Global Positioning System  artificial satellites  object detection  BDS orbit manoeuvre detection method  Global Positioning System  single BDS system  orbital manoeuvre  observation time  real-time detection  Chinese BeiDou navigation satellite system  timing services  BDS satellites  continuous PNT services  reliable PNT services  geostationary orbit  global positioning  navigation  and timing services  inclined geosynchronous  medium earth orbit  MEO  combined GPS-BDS system  receiver clock error bias  time 157  0 min   Effect of adding Ce on the hot-tearing susceptibility of the 5TiB2/Al-5Cu composite 期刊论文 Materials Characterization, 2020, 卷号: 168 作者:  Zhang, Xiaobo;  Zhu, Peng;  Zeng, Long;  Feng, Baigang;  Wan, Xiongbin 收藏  |  浏览/下载：9/0  |  提交时间：2022/02/17 Aluminum alloys  Copper alloys  Grain boundaries  Grain size and shape  Liquid metals  Microstructure  Rare earths  Solidification  Ternary alloys  Titanium compounds  Average grain diameter  Composite microstructures  Hot tearing susceptibility  Particle agglomerations  Residual liquid metals  Solidification defects  Solidification temperature  Uniform microstructure   Effect of adding Ce on the hot-tearing susceptibility of the 5TiB2/Al-5Cu composite 期刊论文 Materials Characterization, 2020, 卷号: 168 作者:  Zhang, Xiaobo;  Zhu, Peng;  Zeng, Long;  Feng, Baigang;  Wan, Xiongbin 收藏  |  浏览/下载：6/0  |  提交时间：2020/11/14 Aluminum alloys  Copper alloys  Grain boundaries  Grain size and shape  Liquid metals  Microstructure  Rare earths  Solidification  Ternary alloys  Titanium compounds  Average grain diameter  Composite microstructures  Hot tearing susceptibility  Particle agglomerations  Residual liquid metals  Solidification defects  Solidification temperature  Uniform microstructure