CORC

在结果中检索

CORC

浏览/检索结果: 共93条，第1-10条 帮助

已选(0)清除 条数/页：   排序方式：
Detection of two bright radio bursts from magnetar SGR 1935 + 2154 期刊论文
Nature Astronomy, 2021, 卷号: 5, 页码: 414
作者:  Kirsten, F.;  Snelders, M. P.;  Jenkins, M.;  Nimmo, K.;  van den Eijnden, J.
收藏  |  浏览/下载：44/0  |  提交时间：2021/11/18
Astrophysics - High Energy Astrophysical Phenomena  Abstract: Fast radio bursts are millisecond-duration, bright radio signals (fluence 0.1-100 Jy ms) emitted from extragalactic sources of unknown physical origin. The recent CHIME/FRB and STARE2 detection of an extremely bright (fluence ~MJy ms) radio burst from the Galactic magnetar SGR 1935+2154 supports the hypothesis that (at least some) fast radio bursts are emitted by magnetars at cosmological distances. In follow-up observations totalling 522.7 h on source, we detect two bright radio bursts with fluences of 112 ± 22 Jy ms and 24 ± 5 Jy ms, respectively. Both bursts appear to be affected by interstellar scattering and we measure significant linear and circular polarization for the fainter burst. The bursts are separated in time by ~1.4 s, suggesting a non-Poissonian, clustered emission processsimilar to those seen in some repeating fast radio bursts. Together with the burst reported by CHIME/FRB and STARE2, as well as a much fainter burst seen by FAST (fluence 60 mJy ms), our observations demonstrate that SGR 1935+2154 can produce bursts with apparent energies spanning roughly seven orders of magnitude, and that the burst rate is comparable across this range. This raises the question of whether these four bursts arise from similar physical processes, and whether the fast radio burst population distribution extends to very low energies (~1030 erg, isotropic equivalent).  
Nanoengineering of transparent polypropylene containing sorbitol-based clarifier 期刊论文
Journal of Polymer Research, 2020, 卷号: 27, 期号: 8
作者:  Liu, Xiaoting;  Liu, Xin;  Li, Yanqin;  Zhang, Yunfei;  Xie, Xin
收藏  |  浏览/下载：2/0  |  提交时间：2020/11/14
Ultra-broadband low scattering metasurface utilizing mixed-elements based on phase cancellation 期刊论文
Journal of Physics D-Applied Physics, 2020, 卷号: 53, 期号: 2
作者:  Yang, Jianing;  Huang, Cheng;  Song, Jiakun;  Ji, Chen;  Luo, Xiangang
收藏  |  浏览/下载：47/0  |  提交时间：2021/05/11
Measurement of strange baryon-antibaryon interactions with femtoscopic correlations 期刊论文
PHYSICS LETTERS B, 2020, 卷号: 802, 页码: -
作者:  Acharya, S;  Acosta, FT;  Adam, J;  Adamova, D;  Adler, A
收藏  |  浏览/下载：22/0  |  提交时间：2021/09/06
Metasurface-Based Lens for Antenna Gain Enhancement and Radar Cross Section Reduction 期刊论文
IEEE Photonics Journal, 2019, 卷号: 11, 期号: 6
作者:  Yang, Jianing;  Huang, Cheng;  Song, Jiakun;  Zhang, Xu;  Xie, Xin
收藏  |  浏览/下载：27/0  |  提交时间：2021/05/06
Research of Optical Breakdown Induced by Nanosecond Laser in Water and Gold Nanosphere Solutions 期刊论文
Zhongguo Jiguang/Chinese Journal of Lasers, 2018, 卷号: 45
作者:  Fu, Lei;  Wang, Siqi;  Xin, Jing;  Zhang, Zhenxi;  Wang, Jing
收藏  |  浏览/下载：3/0  |  提交时间：2019/11/19
Study on the relationship between emulsion stability and droplet dynamics of a spontaneous emulsion for chemical enhanced oil recovery 期刊论文
JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY, 2018, 卷号: 39, 页码: 1214-1222
-
收藏  |  浏览/下载：4/0  |  提交时间：2020/01/03
Probing intermediates of the induction period prior to nucleation and growth of semiconductor quantum dots 期刊论文
NATURE COMMUNICATIONS, 2017, 卷号: 8, 期号: -, 页码: -
作者:  Liu, MY;  Wang, K;  Wang, LX;  Han, S;  Fan, HS
收藏  |  浏览/下载：27/0  |  提交时间：2018/08/30
Drying process of pullulan edible films forming solutions studied by low-field NMR 期刊论文
Food Chemistry, 2017, 卷号: 230, 页码: 611-617
作者:  Xiao, Qian*;  Lim, Loong-Tak;  Zhou, Yujia;  Zhao, Zhengtao
收藏  |  浏览/下载：10/0  |  提交时间：2019/12/23
LF NMR  low-field nuclear magnetic resonance  T2  transverse relaxation time  HPSEC-MALLS-RI  high-performance size exclusion chromatography system Equipped with multi-laser scattering and refractive index detectors  Mw  weight-average molar mass  Mw/Mn  polydispersity index  Rg  radius of gyration  CPMG  Carr-Purcell-Meiboom-Gill sequence  T2f  transverse relaxation time of free water  T2b  transverse relaxation time of moderately bound water  T2t  transverse relaxation time of tightly bound water in the entanglement zones of pullulan chains  a  dimension of the spatial heterogeneity  T2exc  intrinsic relaxation time of exchangeable protons of pullulan  Pexc  molar fraction of exchangeable protons on pullulan  kexc  rate of chemical exchange between water and pullulan  Pullulan  Edible films  LF NMR  T2 relaxation time  Diffusive and chemical exchange model  
回音壁模微腔中非线性光学及其应用的研究 学位论文
2016, 2013
郭长磊
收藏  |  浏览/下载：15/0  |  提交时间：2017/06/20

©版权所有 ©2017 CSpace - Powered by CSpace