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浏览/检索结果: 共1249条，第1-10条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择作者升序作者降序发表日期升序发表日期降序题名升序题名降序提交时间升序提交时间降序 Drought impacts on global crop production decline despite its frequency and severity intensifying 期刊论文  OAI收割 ENVIRONMENTAL RESEARCH LETTERS, 2026, 卷号: 21, 期号: 3, 页码: 34029 作者:  Han, Shuyang;  Zhang, Zhao;  Han, Jichong;  Wu, Xinyu;  Li, Shaokun   |  收藏  |  浏览/下载：0/0  |  提交时间：2026/03/16 drought  crop  yield losses  bottom-up assessment  irrigation  irrigation buffering   Probing jet base emission of M87*with the 2021 Event Horizon Telescope observations 期刊论文  OAI收割 ASTRONOMY & ASTROPHYSICS, 2026, 卷号: 706 作者:  Saurabh;  Müller, Hendrik;  Fellenberg, Sebastiano D. von;  Tiede, Paul;  Janssen, Michael   |  收藏  |  浏览/下载：1/0  |  提交时间：2026/03/09 accretion, accretion disks  black hole physics  gravitation - relativistic processes  galaxies: individual: M 87*  galaxies: jets   The enhanced X-ray Timing and Polarimetry mission-eXTP for launch in 2030 (vol 68,119502,2025) 期刊论文  OAI收割 SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY, 2026, 卷号: 69, 期号: 3, 页码: 3 作者:  Zhang, Shuang-Nan;  Santangelo, Andrea;  Xu, Yupeng;  Feng, Hua;  Lu, Fangjun   |  收藏  |  浏览/下载：2/0  |  提交时间：2026/03/09 Spatially resolved polarization swings in the supermassive binary black hole candidate OJ 287 with first Event Horizon Telescope observations 期刊论文  OAI收割 ASTRONOMY & ASTROPHYSICS, 2026, 卷号: 705 作者:  Gómez, José L.;  Cho, Ilje;  Traianou, Efthalia;  Krichbaum, Thomas P.;  Zhao, Guang-Yao   |  收藏  |  浏览/下载：1/0  |  提交时间：2026/03/17 black hole physics  instabilities  radiation mechanisms: non-thermal  techniques: interferometric  galaxies: active  galaxies: individual: OJ 287   Water table-driven divergent patterns and drivers of particulate and mineral-associated organic carbon in alpine peatlands 期刊论文  OAI收割 CATENA, 2026, 卷号: 262, 页码: 109650 作者:  Zheng, Han;  Liu, Mengjie;  Chu, Houkun;  Gaffney, Paul P. J.;  Pan, Junxiao   |  收藏  |  浏览/下载：0/0  |  提交时间：2025/12/19 Alpine peatlands  Particulate organic carbon  Mineral-associated organic carbon  Climate change  Water table level   Horizon-scale variability of M87*from 2017-2021 EHT observations 期刊论文  OAI收割 ASTRONOMY & ASTROPHYSICS, 2025, 卷号: 704 作者:  Akiyama, The Event Horizon Telescope Collaboration Kazunori;  Albentosa, Ezequiel;  Alberdi, Antxon;  Alef, Walter;  Algaba, Juan Carlos   |  收藏  |  浏览/下载：1/0  |  提交时间：2026/02/09 accretion  accretion disks  black hole physics  gravitation  galaxies: active  galaxies: individual: M87*  galaxies: jets   Multiwavelength Observations of the Apparently Nonrepeating FRB 20250316A 期刊论文  OAI收割 ASTROPHYSICAL JOURNAL, 2025, 卷号: 995, 期号: 1 作者:  Li, Ye;  Sun, Hui;  Qian, Lei;  Li, Dong-Yue;  Hua, Yan-Long   |  收藏  |  浏览/下载：2/0  |  提交时间：2025/12/15 Exploring the spatiotemporal dynamics and driving mechanism of cropland ecosystem health: A perspective based on the contributions of climate change and human activities 期刊论文  OAI收割 ECOLOGICAL INDICATORS, 2025, 卷号: 181, 页码: 114426 作者:  Cheng, Chao;  Kuang, Zhiqiang;  Wu, Jiuxing;  Shao, Ziyi;  Fei, Luocheng   |  收藏  |  浏览/下载：0/0  |  提交时间：2025/12/19 Ecosystem services of cropland  Resilience of cropland ecosystem  Organizational structure of cropland  Environmental quality of cropland  XGBoost-SHAP model   Photometric and spectroscopic studies of four low mass-ratio contact binaries with period longer than 0.7 d 期刊论文  OAI收割 MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2025, 卷号: 544, 期号: 2, 页码: 1958-1980 作者:  Wang, Yi-Fan;  Li, Kai;  Liu, Fei;  Xu, Xin;  Li, Mu-Zi-Mei   |  收藏  |  浏览/下载：1/0  |  提交时间：2025/12/09 binaries (including multiple): close  binaries: eclipsing  stars: evolution  stars: individual   Ultrahigh-energy gamma-ray emission associated with black hole-jet systems 期刊论文  OAI收割 NATIONAL SCIENCE REVIEW, 2025, 卷号: 12, 期号: 12 作者:  Cao, Zhen;  Aharonian, Felix;  Bai, Yun-Xiang;  Bao, Yi-Wei;  Bastieri, Denis   |  收藏  |  浏览/下载：3/0  |  提交时间：2026/01/12 gamma ray  nonthermal radiation  cosmic ray  microquasar