机构

• 数学与系统科学研究院 [7]
• 地理科学与资源研究所 [6]
• 科技战略咨询研究院 [3]
• 过程工程研究所 [2]
• 计算技术研究所 [1]
• 广州地球化学研究所 [1]
• 更多

采集方式

• OAI收割 [24]
• iSwitch采集 [1]

内容类型

• 期刊论文 [22]
• SCI/SSCI论文 [2]
• 会议论文 [1]

发表日期

• 2025 [1]
• 2024 [2]
• 2022 [3]
• 2020 [3]
• 2019 [1]
• 2018 [2]
• 更多

学科主题

• Operations... [1]

筛选

浏览/检索结果: 共25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提交时间升序提交时间降序作者升序作者降序发表日期升序发表日期降序 Molecular and carbon isotopic geochemistry of oils with different fluorescence color from the Upper Jurassic Qigu formation and oil accumulation process in Yongjin area, Junggar Basin in China 期刊论文  OAI收割 MARINE AND PETROLEUM GEOLOGY, 2025, 卷号: 171, 页码: 23 作者:  Zhang, Hongrui;  Liu, Hua;  Jia, Wanglu;  Tian, Hui;  Li, Jinbu   |  收藏  |  浏览/下载：4/0  |  提交时间：2025/04/01 Sequential extract  C -isotope  Mixed oil separation  Biodegradation  Oxidation  Oil source correlation  Multi-period oil charging   Spatio-temporal dynamics and recovery of commuting activities via bike-sharing around COVID-19: A case study of New York 期刊论文  OAI收割 JOURNAL OF TRANSPORT GEOGRAPHY, 2024, 卷号: 121, 页码: 17 作者:  Gong, Mengjie;  Xin, Rui;  Yang, Jian;  Wang, Jiaoe;  Li, Tingting   |  收藏  |  浏览/下载：11/0  |  提交时间：2024/12/30 Commuting activity  COVID-19  Bike-sharing  Multi-period spatiotemporal aggregation  Space-time cube   Climate Regulates the Effects of Abrupt Vegetation Shifts on Soil Moisture in the Loess Plateau, China 期刊论文  OAI收割 LAND DEGRADATION & DEVELOPMENT, 2024, 卷号: N/A 作者:  Xiao, Guoan;  Xin, Liangjie;  Wang, Xue;  Li, Xiubin;  Tan, Minghong   |  收藏  |  浏览/下载：6/0  |  提交时间：2024/12/20 abrupt vegetation shifts  climate  multi-period difference-in-differences model  revegetation  soil moisture content  the Loess Plateau   Multi-period portfolio selection with investor views based on scenario tree 期刊论文  OAI收割 APPLIED MATHEMATICS AND COMPUTATION, 2022, 卷号: 418, 页码: 14 作者:  Zhao, Daping;  Bai, Lin;  Fang, Yong;  Wang, Shouyang   |  收藏  |  浏览/下载：35/0  |  提交时间：2022/06/21 Portfolio selection  Multi-period  Investor views  Scenario tree  Optimization   Has China's pilot emission trading system promoted technological progress in industrial subsectors? 期刊论文  OAI收割 ENVIRONMENTAL RESEARCH LETTERS, 2022, 卷号: 17, 期号: 11 作者:  Zhang, Haoran;  Liu, Yu;  Choi, Yongrok;  Yang, Lingyu;  Li, Xinbei   |  收藏  |  浏览/下载：12/0  |  提交时间：2023/05/30 emission trading system  green total factor productivity  biennial Malmquist-Luenberger productivity index  multi-period difference in differences model  mechanism test   How to allocate multi-period research resources? Centralized resource allocation for public universities in China using a parallel DEA-based approach 期刊论文  OAI收割 SOCIO-ECONOMIC PLANNING SCIENCES, 2022, 卷号: 82 作者:  Xiong, Xi;  Yang, Guo-liang;  Yang, Guo-liang;  Zhou, De-qun;  Wang, Zi-long   |  收藏  |  浏览/下载：10/0  |  提交时间：2023/05/30 Centralized resource allocation  Multi-period resources  Data envelopment analysis  Public universities   Carbon storage dynamics of subtropical forests estimated with multi-period forest inventories at a regional scale: the case of Jiangxi forests 期刊论文  OAI收割 JOURNAL OF FORESTRY RESEARCH, 2020, 卷号: 31, 期号: 4, 页码: 1247-1254 作者:     |  收藏  |  浏览/下载：37/0  |  提交时间：2021/07/09 Subtropical forests  Carbon storage  carbon density  Multi-period inventories  Prediction  Jiangxi Province   Carbon storage dynamics of subtropical forests estimated with multi-period forest inventories at a regional scale: the case of Jiangxi forests 期刊论文  OAI收割 JOURNAL OF FORESTRY RESEARCH, 2020, 卷号: 31, 期号: 4, 页码: 1247-1254 作者:  Zhang, Qiugen;  Ye, Hao;  Ding, Yuan;  Cao, Qun;  Zhang, Yangjian   |  收藏  |  浏览/下载：22/0  |  提交时间：2021/07/09 Subtropical forests  Carbon storage  carbon density  Multi-period inventories  Prediction  Jiangxi Province   No pulsed radio emission during a bursting phase of a Galactic magnetar 期刊论文  OAI收割 Nature, 2020, 卷号: 587, 页码: 63-65 作者:  HXMT   |  收藏  |  浏览/下载：44/0  |  提交时间：2022/02/08 Astrophysics - High Energy Astrophysical Phenomena  Abstract: Fast radio bursts (FRBs) are millisecond-duration radio transients of unknown physical origin observed at extragalactic distances1-3. It has long been speculated that magnetars are the engine powering repeating bursts from FRB sources4-13, but no convincing evidence has been collected so far14. Recently, the Galactic magnetar SRG 1935+2154 entered an active phase by emitting intense soft íray bursts15. One FRB-like event with two peaks (FRB 200428) and a luminosity slightly lower than the faintest extragalactic FRBs was detected from the source, in association with a soft íray/hard-X-ray flare18-21. Here we report an eight-hour targeted radio observational campaign comprising four sessions and assisted by multi-wavelength (optical and hard-X-ray) data. During the third session, 29 soft-íray repeater (SGR) bursts were detected in íray energies. Throughout the observing period, we detected no single dispersed pulsed emission coincident with the arrivals of SGR bursts, but unfortunately we were not observing when the FRB was detected. The non-detection places a fluence upper limit that is eight orders of magnitude lower than the fluence of FRB 200428. Our results suggest that FRB-SGR burst associations are rare. FRBs may be highly relativistic and geometrically beamed, or FRB-like events associated with SGR bursts may have narrow spectra and characteristic frequencies outside the observed band. It is also possible that the physical conditions required to achieve coherent radiation in SGR bursts are difficult to satisfy, and that only under extreme conditions could an FRB be associated with an SGR burst.   Efficiency evaluation for banking systems under uncertainty: A multi-period three-stage DEA model 期刊论文  OAI收割 OMEGA-INTERNATIONAL JOURNAL OF MANAGEMENT SCIENCE, 2019, 卷号: 85, 页码: 68-82 作者:  Zhou, Xiaoyang;  Xu, Zhongwen;  Chai, Jian;  Yao, Liming;  Wang, Shouyang   |  收藏  |  浏览/下载：61/0  |  提交时间：2020/01/10 Multi-period three-stage DEA  Banking system  Triangular type-2 fuzzy undesirable outputs  Shared inputs  Carryovers