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浏览/检索结果: 共15条，第1-10条 帮助 限定条件 发表日期：2022     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 Resolving the Inner Parsec of the Blazar J1924-2914 with the Event Horizon Telescope 期刊论文 ASTROPHYSICAL JOURNAL, 2022, 卷号: 934, 期号: 2 作者:  Issaoun, Sara;  Wielgus, Maciek;  Jorstad, Svetlana;  Krichbaum, Thomas P.;  Blackburn, Lindy 收藏  |  浏览/下载：34/0  |  提交时间：2022/08/15 Global Progress in Oil and Gas Well Research Using Bibliometric Analysis Based on VOSviewer and CiteSpace 期刊论文 ENERGIES, 2022, 卷号: 15, 期号: 15 作者:  Zhang, Pan;  Du, Yongjun;  Han, Sijie;  Qiu, Qingan 收藏  |  浏览/下载：23/0  |  提交时间：2022/09/22 oil and gas well research  web of science  VOSviewer and CiteSpace  exponential growth  hotspots  research frontiers  technology trends   Marginal and joint failure importance for K-terminal network edges under counting process 期刊论文 Reliability Engineering and System Safety, 2022, 卷号: 223 作者:  Ma, Chengye;  Du, Yongjun;  Zhang, Yuchun;  Cai, Zhiqiang 收藏  |  浏览/下载：13/0  |  提交时间：2022/04/21 Failure (mechanical)  Numerical methods  Poisson distribution  Random processes  Reliability analysis  Risk assessment  Roads and streets  Stochastic systems  Counting process  Edge failures  Importance measure  Joint failure  Joint failure importance  K terminals  K-terminal network  Marginal failure importance  Network failure  Non-homogeneous Poisson process   Hard nanocrystalline gold materials prepared via high-pressure phase transformation 期刊论文 NANO RESEARCH, 2022, 页码: 8 作者:  Xie, Chenlong;  Niu, Wenxin;  Li, Penghui;  Ge, Yiyao;  Liu, Jiawei 收藏  |  浏览/下载：32/0  |  提交时间：2022/06/11 nanocrystalline Au  high hardness  high strength  high-pressure forging  4H Au nanoribbons   First Sagittarius A* Event Horizon Telescope Results. III. Imaging of the Galactic Center Supermassive Black Hole 期刊论文 ASTROPHYSICAL JOURNAL LETTERS, 2022, 卷号: 930, 期号: 2 作者:  Akiyama, Kazunori;  Alberdi, Antxon;  Alef, Walter;  Algaba, Juan Carlos;  Anantua, Richard 收藏  |  浏览/下载：41/0  |  提交时间：2022/06/13 First Sagittarius A* Event Horizon Telescope Results. II. EHT and Multiwavelength Observations, Data Processing, and Calibration 期刊论文 ASTROPHYSICAL JOURNAL LETTERS, 2022, 卷号: 930, 期号: 2 作者:  Akiyama, Kazunori;  Alberdi, Antxon;  Alef, Walter;  Algaba, Juan Carlos;  Anantua, Richard 收藏  |  浏览/下载：55/0  |  提交时间：2022/05/23 First Sagittarius A* Event Horizon Telescope Results. IV. Variability, Morphology, and Black Hole Mass 期刊论文 ASTROPHYSICAL JOURNAL LETTERS, 2022, 卷号: 930, 期号: 2 作者:  Akiyama, Kazunori;  Alberdi, Antxon;  Alef, Walter;  Algaba, Juan Carlos;  Anantua, Richard 收藏  |  浏览/下载：50/0  |  提交时间：2022/05/23 First Sagittarius A* Event Horizon Telescope Results. VI. Testing the Black Hole Metric 期刊论文 ASTROPHYSICAL JOURNAL LETTERS, 2022, 卷号: 930, 期号: 2 作者:  Akiyama, Kazunori;  Alberdi, Antxon;  Alef, Walter;  Algaba, Juan Carlos;  Anantua, Richard 收藏  |  浏览/下载：44/0  |  提交时间：2022/05/23 Millimeter Light Curves of Sagittarius A* Observed during the 2017 Event Horizon Telescope Campaign 期刊论文 ASTROPHYSICAL JOURNAL LETTERS, 2022, 卷号: 930, 期号: 2 作者:  Wielgus, Maciek;  Marchili, Nicola;  Martí-Vidal, Iván;  Keating, Garrett K.;  Ramakrishnan, Venkatessh 收藏  |  浏览/下载：37/0  |  提交时间：2022/05/30 First Sagittarius A* Event Horizon Telescope Results. V. Testing Astrophysical Models of the Galactic Center Black Hole 期刊论文 ASTROPHYSICAL JOURNAL LETTERS, 2022, 卷号: 930, 期号: 2 作者:  Akiyama, Kazunori;  Alberdi, Antxon;  Alef, Walter;  Algaba, Juan Carlos;  Anantua, Richard 收藏  |  浏览/下载：46/0  |  提交时间：2022/05/30