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浏览/检索结果: 共22条，第1-10条 帮助

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Chemical Vapor Deposited Thin Palladium Sulfide Crystals for Highly Photoresponsive Photodetector 期刊论文  OAI收割
ADVANCED OPTICAL MATERIALS, 2024
作者:  Jiang, Shaolong;  Zhao, Erding;  Zhang, Xi;  Yang, Jin;  Liu, Qian
  |  收藏  |  浏览/下载：6/0  |  提交时间：2024/11/20
BSMV-sg系统介导的大麦基因编辑体系的建立 期刊论文  OAI收割
麦类作物学报, 2024, 卷号: 44, 期号: 03, 页码: 281-288
作者:  刘永菊;  姜燕燕;  薛瑞莹;  刘光瑞;  曹东
  |  收藏  |  浏览/下载：6/0  |  提交时间：2024/11/29
Enhancing Volatile Fatty Acid Production during Anaerobic Fermentation of Waste Activated Sludge with Persulfates: Peroxymonosulfate versus Peroxydisulfate 期刊论文  OAI收割
ACS SUSTAINABLE CHEMISTRY & ENGINEERING, 2021, 卷号: 9, 期号: 30, 页码: 10073-10082
作者:  Fang, Wei;  Zhang, Xuedong;  Spanjers, Henri;  Zhang, Tao
  |  收藏  |  浏览/下载：8/0  |  提交时间：2022/02/11
Accelerated Fe3+/Fe2+ cycle using atomic H* on Pd/Al2O3: A novel mechanism for an electrochemical system with particle electrode for iron sludge reduction in the Fe2+/peroxydisulfate oxidation process 期刊论文  OAI收割
CHEMICAL ENGINEERING JOURNAL, 2020, 卷号: 382, 页码: 1-8
作者:  Zeng, Huabin;  Zhao, Xu;  Zhao, Feiping;  Park, Yuri;  Sillanpaa, Mika
  |  收藏  |  浏览/下载：59/0  |  提交时间：2021/09/14
Chromium-titanium nitride as an efficient co-catalyst for photocatalytic hydrogen production 期刊论文  OAI收割
JOURNAL OF MATERIALS CHEMISTRY A, 2020, 卷号: 8, 期号: 31, 页码: 15774-15781
作者:  Meng, Xiangjian;  Qi, Weiliang;  Kuang, Wandi;  Adimi, Samira;  Guo, Haichuan
  |  收藏  |  浏览/下载：65/0  |  提交时间：2020/12/16
An underlying clock in the extreme flip-flop state transitions of the black hole transient Swift J1658.2-4242 期刊论文  OAI收割
Astronomy and Astrophysics, 2020, 卷号: 641, 页码: A101
作者:  HXMT
  |  收藏  |  浏览/下载：56/0  |  提交时间：2022/02/08
accretion  accretion disks  black hole physics  X-rays: binaries  time  Astrophysics - High Energy Astrophysical Phenomena  Abstract:
Aims: Flip-flops are top-hat-like X-ray flux variations, which have been observed in some transient accreting black hole binary systems, and feature simultaneous changes in the spectral hardness and the power density spectrum (PDS). They occur at a crucial time in the evolution of these systems, when the accretion disc emission starts to dominate over coronal emission. Flip-flops remain a poorly understood phenomenon, so we aim to thoroughly investigate them in a system featuring several such transitions.
Methods: Within the multitude of observations of Swift J1658.2-4242 during its outburst in early 2018, we detected 15 flip-flops, enabling a detailed analysis of their individual properties and the differences between them. We present observations by XMM-Newton, NuSTAR, Astrosat, Swift, Insight-HXMT, INTEGRAL, and ATCA. We analysed their light curves, searched for periodicities, computed their PDSs, and fitted their X-ray spectra, to investigate the source behaviour during flip-flop transitions and how the interval featuring flip-flops differs from the rest of the outburst.
Results: The flip-flops of Swift J1658.2-4242 are of an extreme variety, exhibiting flux differences of up to 77% within 100 s, which is much larger than what has been seen previously. We observed radical changes in the PDS simultaneous with the sharp flux variations, featuring transitions between the quasi-periodic oscillation types C and A, which have never been observed before. Changes in the PDS are delayed, but more rapid than changes in the light curve. Flip-flops occur in two intervals within the outburst, separated by about two weeks in which these phenomena were not seen. Transitions between the two flip-flop states occurred at random integer multiples of a fundamental period of 2.761 ks in the first interval and 2.61 ks in the second. Spectral analysis reveals the high and low flux flip-flop states to be very similar, but distinct from intervals lacking flip-flops. A change of the inner temperature of the accretion disc is responsible for most of the flux difference in the flip-flops. We also highlight the importance of correcting for the influence of the dust scattering halo on the X-ray spectra.  
Measurement of the D-2 amount in ICF targets by proton-deuterium scattering 期刊论文  OAI收割
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 2019, 卷号: 456, 页码: 86-91
作者:  Wang, Qi;  Shen, Hao;  Ma, Xiaojun;  Gao, Dangzhong;  Zhang, Yajing
  |  收藏  |  浏览/下载：61/0  |  提交时间：2019/11/10
Highly structured disk around the planet host PDS70 revealed by high-angular resolution observations with ALMA 期刊论文  OAI收割
ASTRONOMY & ASTROPHYSICS, 2019, 卷号: 625, 页码: 15
作者:  Keppler, M.;  Teague, R.;  Bae, J.;  Benisty, M.;  Henning, T.
  |  收藏  |  浏览/下载：94/0  |  提交时间：2019/07/08
A radio structure resolved at the deca-parsec scale in the radio-quiet quasar PDS 456 with an extremely powerful X-ray outflow 期刊论文  OAI收割
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2019, 卷号: 482, 期号: 2, 页码: 1701-1705
作者:  Yang, Jun;  An, Tao;  Zheng, Fang;  Baan, Willem A.;  Paragi, Zsolt
  |  收藏  |  浏览/下载：66/0  |  提交时间：2019/04/08
A radio structure resolved at the deca-parsec scale in the radio-quiet quasar PDS 456 with an extremely powerful X-ray outflow 期刊论文  OAI收割
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2019, 卷号: 482, 期号: 2, 页码: 1701-1705
作者:  Zhang, Zhongli;  Mohan, Prashanth;  Paragi, Zsolt;  Baan, Willem A.;  Zheng, Fang
  |  收藏  |  浏览/下载：58/0  |  提交时间：2019/03/04