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浏览/检索结果: 共1616条，第1-10条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择提交时间升序提交时间降序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 The characterization of ambient levoglucosan in Beijing during summertime: Dynamic variation and source contributions under strong cooking influences 期刊论文  OAI收割 JOURNAL OF ENVIRONMENTAL SCIENCES, 2025, 卷号: 155, 页码: 205-220 作者:  Wang, Jun;  Hu, Weiwei;  Pan, Tianle;  Wang, Yingkun;  Chen, Wei   |  收藏  |  浏览/下载：68/0  |  提交时间：2025/04/03 Levoglucosan  Biomass burning  Tracer method  Cooking  Chemical ionization mass  spectrometer (CIMS)  Online measurement   EP240801a/XRF 240801B: An X-Ray Flash Detected by the Einstein Probe and the Implications of Its Multiband Afterglow 期刊论文  OAI收割 ASTROPHYSICAL JOURNAL LETTERS, 2025, 卷号: 988, 期号: 1 作者:  Jiang, Shuai-Qing;  Xu, Dong;  Hoof, Agnes P. C. van;  Lei, Wei-Hua;  Liu, Yuan   |  收藏  |  浏览/下载：23/0  |  提交时间：2025/07/28 Spectroastrometry and Reverberation Mapping of Active Galactic Nuclei. II. Measuring Geometric Distances and Black Hole Masses of Four Nearby Quasars 期刊论文  OAI收割 ASTROPHYSICAL JOURNAL, 2025, 卷号: 988, 期号: 1 作者:  Li, Yan-Rong;  Shangguan, Jinyi;  Wang, Jian-Min;  Davies, Ric;  Santos, Daryl J. D.   |  收藏  |  浏览/下载：24/0  |  提交时间：2025/07/21 First polarization study of the M87 jet and active galactic nuclei at submillimeter wavelengths with ALMA 期刊论文  OAI收割 ASTRONOMY & ASTROPHYSICS, 2025, 卷号: 699 作者:  Goddi, Ciriaco;  Carlos, Douglas F.;  Crew, Geoffrey B.;  Matthews, Lynn D.;  Messias, Hugo   |  收藏  |  浏览/下载：9/0  |  提交时间：2025/08/25 black hole physics  magnetic fields  polarization  radiation mechanisms: non-thermal  instrumentation: interferometers  instrumentation: polarimeters   The possible "double-bang firecracker" during a solar prominence eruption 期刊论文  OAI收割 Science China: Physics, Mechanics and Astronomy, 2025, 卷号: 68, 期号: 7 作者:  Zheng, Ruisheng;  Liu, Yihan;  Zhong, Ze;  Zhang, Liang;  Wang, Xiaoqian   |  收藏  |  浏览/下载：18/0  |  提交时间：2025/06/10 solar prominence eruptions  coronal mass ejections  coronal pseudostreamers  magnetic reconnecti   Supermassive Black Holes with High Accretion Rates in Active Galactic Nuclei. XIV. Long-duration High-cadence Reverberation Mapping Results for 11 PG Quasars 期刊论文  OAI收割 ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 2025, 卷号: 278, 期号: 2 作者:  Hu, Chen;  Yao, Zhu-Heng;  Chen, Yong-Jie;  Songsheng, Yu-Yang;  Wang, Yi-Lin   |  收藏  |  浏览/下载：22/0  |  提交时间：2025/06/23 Detection of an Orphan X-Ray Flare from a Blazar Candidate EP240709a with the Einstein Probe 期刊论文  OAI收割 ASTROPHYSICAL JOURNAL, 2025, 卷号: 984, 期号: 1 作者:  Liu, Mingjun;  Zhang, Yijia;  Wang, Yun;  Xue, Rui;  Buckley, David   |  收藏  |  浏览/下载：28/0  |  提交时间：2025/05/05 A holistic strategy for the in-depth discrimination and authentication of 16 citrus herbs and associated commercial products based on machine learning techniques and non-targeted metabolomics 期刊论文  OAI收割 JOURNAL OF CHROMATOGRAPHY A, 2025, 卷号: 1745, 页码: 12 作者:  Huang, Yu-shi;  An, Ya-ling;  Zheng, Yue-yuan;  Zhao, Wen-jie;  Song, Chun-qian   |  收藏  |  浏览/下载：51/0  |  提交时间：2025/04/01 Citrus herbs  Discrimination  LC-MS  Machine learning  Differential markers   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.   |  收藏  |  浏览/下载：33/0  |  提交时间：2025/05/13 techniques: interferometric  galaxies: active  galaxies: jets  galaxies: nuclei  quasars: general  quasars: supermassive black holes   Accumulation of lipophilic and proteinophilic halogenated organic pollutants (HOPs) in the different types of feathers of laying hens 期刊论文  OAI收割 JOURNAL OF HAZARDOUS MATERIALS, 2025, 卷号: 486, 页码: 9 作者:  Chen, Xi;  Luo, Xiao-Jun;  Feng, Qun-Jie;  Liu, Yu;  Dai, Jun-Zhe   |  收藏  |  浏览/下载：46/0  |  提交时间：2025/04/03 Feathers  Halogenated organic pollutants  Laying hens  Bioaccumulation