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浏览/检索结果: 共47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 Satellite data-driven and knowledge-informed machine learning model for estimating global internal solitary wave speed 期刊论文  OAI收割 REMOTE SENSING OF ENVIRONMENT, 2022, 卷号: 283, 页码: 16 作者:  Zhang, Xudong;  Li, Xiaofeng   |  收藏  |  浏览/下载：44/0  |  提交时间：2023/01/04 Internal solitary wave  Phase speed  Machine learning  Remote sensing   Synchronous X-ray/Optical QPOs from the Black Hole LMXB MAXI J1820+070 期刊论文  OAI收割 Monthly Notices of the Royal Astronomical Society, 2021 作者:  HXMT   |  收藏  |  浏览/下载：53/0  |  提交时间：2022/02/08 black hole physics  Low Mass X-ray Binaries  accretion  accretion  discs  stars: individual (MAXI J1820+070)  Astrophysics - High Energy  Astrophysical Phenomena  Abstract: We present high-speed optical photometry from SAAO and SALT on the black hole LMXB MAXI J1820+070 (ASSASN-18ey), some of it simultaneous with NICER, Swift and Insight-HXMT X-ray coverage. We detect optical Quasi-Periodic Oscillations (QPOs) that move to higher frequencies as the outburst progresses, tracking both the frequency and evolution of similar X-ray QPOs previously reported. Correlated X-ray/optical data reveal a complex pattern of lags, including an anti-correlation and a sub-second lag that evolve over the first few weeks of outburst. They also show correlated components separated by a lag equal to the QPO period roughly centered on zero lag, implying that the inter-band variability is strongly and consistently affected by these QPOs at a constant phase lag of roughly ±Ю The synchronisation of X-ray and optical QPOs indicates that they must be produced in regions physically very close to each other  we thus propose that they can be explained by a precessing jet model, based on analogies with V404 Cyg and MAXI J1348-630.   5 Gbaud QPSK coherent transmission in the mid-infrared 期刊论文  OAI收割 Optics Communications, 2020, 卷号: 466 作者:  Wang, Wei;  Zheng, Yunqiang;  Xie, Xiaoping;  Su, Yulong;  Huang, Xinning   |  收藏  |  浏览/下载：97/0  |  提交时间：2020/03/23 Mid-infrared  Difference-frequency generation  Quadrature phase shift keying  Ten gigabits speed   High-Speed Solar Wind Imprints on the Ionosphere During the Recovery Phase of the August 2018 Geomagnetic Storm 期刊论文  OAI收割 SPACE WEATHER-THE INTERNATIONAL JOURNAL OF RESEARCH AND APPLICATIONS, 2020, 卷号: 18, 期号: 7, 页码: 14 作者:  Ren, Dexin;  Lei, Jiuhou;  Zhou, Su;  Li, Wenbo;  Huang, Fuqing   |  收藏  |  浏览/下载：67/0  |  提交时间：2020/09/28 geomagnetic storm  recovery phase  high-speed solar wind  ionosphere  total electron content  positive storm   Low-cost and convenient ballpoint tip-protected liquid-phase microextraction for sensitive analysis of organic molecules in water samples 期刊论文  OAI收割 ANALYTICA CHIMICA ACTA, 2019, 卷号: 1006, 页码: 42-48 作者:  Ji, Baocheng;  Xia, Bing;  Fu, Xian;  Lei, Shan;  Ye, Ye   |  收藏  |  浏览/下载：25/0  |  提交时间：2020/12/24 Liquid-phase microextraction  Ballpoint tip  High spinning speed  Gas chromatography-mass spectrometry   新型高速逆流色谱柱的研制及固定相保留行为研究 学位论文  OAI收割 北京: 中国科学院大学, 2018 作者:  全凯军   |  收藏  |  浏览/下载：30/0  |  提交时间：2020/09/21 高速逆流色谱  二维色谱  分离机理  固定相保留率  多肽分离  High speed counter-current chromatography  Two-dimension chromatography  Stationary phase retention  Separation mechanism  Polypeptide separation   Cross or wait? Pedestrian decision making during clearance phase at signalized intersections 期刊论文  OAI收割 ACCIDENT ANALYSIS AND PREVENTION, 2018, 卷号: 111, 页码: 115-124 作者:  Zhuang, Xiangling;  Wu, Changxu;  Ma, Shu;  X. Zhuang   |  收藏  |  浏览/下载：28/0  |  提交时间：2018/05/28 Pedestrian clearance phase  Flashing green  Decision making  Required crossing speed   Isolation of high-purity peptide Val-Val-Tyr-Pro from Globin Peptide using MCI gel column combined with high-speed counter-current chromatography 期刊论文  OAI收割 Journal of Separation Science, 2018, 期号: XXX, 页码: 1-8 作者:  Ning-Li Wang;  Duo-Long Di;  Jian-Teng Wei;  Kai-Jun Quan;  Xin-Yi Huang   |  收藏  |  浏览/下载：31/0  |  提交时间：2018/11/26 Aqueous Two-phase Systems  Globin Peptide, High-speed Countercurrent Chromatography  Mci Gel Column   Understanding the fast crystallization kinetics of In-Sb-Te by using ultrafast calorimetry 期刊论文  OAI收割 CRYSTENGCOMM, 2018, 卷号: 20, 期号: 2, 页码: 159-163 作者:  Xu, Tiefeng;  Mu, Sen;  Chen, Yimin;  Pan, Hongbo;  Wang, Guoxiang   |  收藏  |  浏览/下载：33/0  |  提交时间：2018/12/04 Phase-change Materials  Change Memory Applications  Thin-films  Data-storage  Alloy-films  High-speed  Glasses  Liquids  Ag   Performance investigation of 120 Gbs all-optical logic XOR gate using dual-reflective semiconductor optical amplifier-based scheme 期刊论文  OAI收割 Journal of Computational Electronics, 2018, 卷号: 17, 期号: 4, 页码: 1640-1649 作者:  Kotb, A.;  Zoiros, K. E.;  Guo, C. L.   |  收藏  |  浏览/下载：14/0  |  提交时间：2019/09/17 All-optical XOR gate  Reflective semiconductor optical amplifier  Quality factor  mach-zehnder interferometer  nonlinear response  phase-modulation  speed  pulses  Engineering  Physics