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科研机构
高能物理研究所 [4]
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期刊论文 [4]
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2019 [1]
2018 [1]
2016 [1]
2015 [1]
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Chemistry;... [1]
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Timing analysis of Swift J1658.2-4242's outburst in 2018 with Insight-HXMT, NICER and AstroSat
期刊论文
Journal of High Energy Astrophysics, 2019, 卷号: 24, 页码: 30-40
作者:
HXMT
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浏览/下载:41/0
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提交时间:2022/02/08
Accretion
accretion disks
Black hole physics
X-rays: binaries:
Swift J1658.2-4242
Astrophysics - High Energy Astrophysical Phenomena
Abstract: We present the observational results from a detailed timing analysis of the black hole candidate Swift J1658.2-4242 during its 2018 outburst with the observations of Hard X-ray Modulation Telescope (Insight-HXMT), Neutron Star Interior Composition Explorer (NICER) and AstroSat in 0.1-250 keV. The evolution of intensity, hardness and integrated fractional root mean square (rms) observed by Insight-HXMT and NICER are presented in this paper. Type-C quasi-periodic oscillations (QPOs) observed by NICER (0.8-3.5 Hz) and Insight-HXMT (1-1.6 Hz) are also reported in this work. The features of the QPOs are analyzed with an energy range of 0.5-50 keV. The relations between QPO frequency and other characteristics such as intensity, hardness and QPO rms are carefully studied. The timing and spectral properties indicate that Swift J1658.2-4242 is a black hole binary system. Besides, the rms spectra of the source calculated from the simultaneous observation of Insight-HXMT, NICER and AstroSat support the Lense-Thirring origin of the QPOs. The relation between QPO phase lag and the centroid frequency of Swift J1658.2-4242 reveals a near zero constant when < 4Hz and a soft phase lag at 6.68 Hz. This independence follows the same trend as the high inclination galactic black hole binaries such as MAXI J1659-152.
Fabrication of cellulose/graphene paper as a stable-cycling anode materials without collector
期刊论文
Carbohydrate polymers, 2018, 卷号: 184, 页码: 30-36
作者:
Zhang, Chunliang
;
Cha, Ruitao
;
Yang, Luming
;
Mou, Kaiwen
;
Jiang, Xingyu
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浏览/下载:136/0
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提交时间:2019/04/23
Cellulose
Wet end formation
Conductive paper
Lithium-ion batteries
Flexibility anode
Improved performance of supercapacitors constructed with activated carbon papers as electrodes and vanadyl sulfate as redox electrolyte
期刊论文
IONICS, 2016, 卷号: 22, 期号: 7, 页码: 1253-1258
作者:
Cheng, ZY
;
Wen, JS
;
Liang, ZH
;
He CY(何春勇)
;
He, CY
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浏览/下载:19/0
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提交时间:2017/07/24
Supercapacitor
Carbon paper
Vanadyl sulfate
Electrolyte
Research survey of electroformed nickel material properties used in MEMS
期刊论文
KEY ENGINEERING MATERIALS, 2015, 卷号: 645-646, 页码: 259-264
作者:
Li
;
Guozhong
;
Shi
;
Gengchen
;
Sui
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浏览/下载:21/0
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提交时间:2016/04/18
Electroformed nickel
External environments
Fuze
Mechanical characterizations
Paper surveys
Process Technologies
Research status
Research survey
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