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浏览/检索结果: 共438条，第1-10条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择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作者升序作者降序 A multifrequency study of sub-parsec jets with the Event Horizon Telescope 期刊论文  OAI收割 ASTRONOMY & ASTROPHYSICS, 2025, 卷号: 695 作者:  Röder, Jan;  Wielgus, Maciek;  Lobanov, Andrei P.;  Krichbaum, Thomas P.;  Nair, Dhanya G.   |  收藏  |  浏览/下载：13/0  |  提交时间：2025/05/13 techniques: interferometric  galaxies: active  galaxies: jets  galaxies: nuclei  quasars: general  quasars: supermassive black holes   Seasonal variation of canopy vertical structural profiles measured at two temperate forests: intercomparison of tower, mast, crane, and UAV measurements 期刊论文  OAI收割 TREES-STRUCTURE AND FUNCTION, 2025, 卷号: 39, 期号: 1, 页码: 9 作者:  Fang, Hongliang;  Wu, Yunjia;  Zhang, Yinghui;  Wang, Yao;  Li, Sijia   |  收藏  |  浏览/下载：10/0  |  提交时间：2025/02/24 Canopy gap fraction  Leaf area index (LAI)  Clumping index (CI)  Digital hemispherical photography (DHP)  Uncrewed aerial vehicle (UAV)  Vertical profiles   The persistent shadow of the supermassive black hole of M87: II. Model comparisons and theoretical interpretations 期刊论文  OAI收割 ASTRONOMY & ASTROPHYSICS, 2025, 卷号: 693 作者:  Akiyama, The Event Horizon Telescope Collaboration Kazunori;  Albentosa, Ezequiel;  Alberdi, Antxon;  Alef, Walter;  Algaba, Juan Carlos   |  收藏  |  浏览/下载：4/0  |  提交时间：2025/04/28 accretion, accretion disks  black hole physics  gravitation  galaxies: active  galaxies: individual: M87  galaxies: jets   The putative center in NGC1052 期刊论文  OAI收割 ASTRONOMY & ASTROPHYSICS, 2024, 卷号: 692 作者:  Baczko, Anne-Kathrin;  Kadler, Matthias;  Ros, Eduardo;  Fromm, Christian M.;  Wielgus, Maciek   |  收藏  |  浏览/下载：56/0  |  提交时间：2025/03/05 Broadband multi-wavelength properties of M87 during the 2018 EHT campaign including a very high energy flaring episode 期刊论文  OAI收割 ASTRONOMY & ASTROPHYSICS, 2024, 卷号: 692, 页码: 44 作者:  Algaba, J. C.;  Balokovic, M.;  Chandra, S.;  Cheong, W. -Y.;  Cui, Y. -Z.   |  收藏  |  浏览/下载：54/0  |  提交时间：2025/02/24 galaxies: active  galaxies: individual: M 87  galaxies: jets  galaxies: nuclei   Broadband multi-wavelength properties of M87 during the 2018 EHT campaign including a very high energy flaring episode 期刊论文  OAI收割 ASTRONOMY & ASTROPHYSICS, 2024, 卷号: 692, 页码: A140 作者:  Algaba, J. C.;  Balokovic, M.;  Chandra, S.;  Cheong, W. -Y.;  Cui, Y. -Z.   |  收藏  |  浏览/下载：4/0  |  提交时间：2025/02/27 galaxies: active  galaxies: individual: M 87  galaxies: jets  galaxies: nuclei   Baseflow characteristics and drivers in headwater catchment of the Yellow River, Tibetan Plateau 期刊论文  OAI收割 JOURNAL OF HYDROLOGY-REGIONAL STUDIES, 2024, 卷号: 56, 页码: 15 作者:  Zhang, Jiao;  Lan, Yu;  Chen, Xinsen;  Tan, Yuhua;  Wu, Tong   |  收藏  |  浏览/下载：18/0  |  提交时间：2024/12/30 Baseflow  Headwater catchment  Climate change  The Yellow River Basin   The silent epidemic: exploring the link between loneliness and chronic diseases in China's elderly 期刊论文  OAI收割 BMC GERIATRICS, 2024, 卷号: 24, 期号: 1, 页码: 14 作者:  Meng, Lingbing;  Xu, Ruofan;  Li, Jianyi;  Hu, Jiabin;  Xu, Hongxuan   |  收藏  |  浏览/下载：30/0  |  提交时间：2024/10/14 Loneliness  Aging  Anxiety  Endocrinology  Neuropsychiatry   Travel flow patterns of diverse population groups and influencing built environment factors: A case study of Beijing 期刊论文  OAI收割 CITIES, 2024, 卷号: 151, 页码: 105096 作者:  Liu, Xiaohan;  Pei, Tao;  Wang, Xi;  Liu, Tianyu;  Fang, Zidong   |  收藏  |  浏览/下载：25/0  |  提交时间：2024/07/12 Urban planning  Built environment  Spatiotemporal flow patterns  Tobit regression model  Population heterogeneity   Wearable device-measured moderate to vigorous physical activity and risk of degenerative aortic valve stenosis 期刊论文  OAI收割 EUROPEAN HEART JOURNAL, 2024, 页码: 16 作者:  Li, Ziang;  Cheng, Sijing;  Guo, Bo;  Ding, Lu;  Liang, Yu   |  收藏  |  浏览/下载：15/0  |  提交时间：2024/12/06 Exercise  Aortic stenosis  Aortic regurgitation  Mitral regurgitation  Aortic valve replacement