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浏览/检索结果: 共244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 Comparison of optical properties of bioaerosols composed of microbial spores and hyphae Invited 期刊论文  OAI收割 CHINESE OPTICS LETTERS, 2023, 卷号: 21 作者:  Wang Xinyu;  Hu Yihua;  Yang Xing;  Gu Youlin;  He Haihao   |  收藏  |  浏览/下载：7/0  |  提交时间：2024/11/20 bioaerosol  optical properties  optical materials  light-matter interactions  Fourier transform infrared spectra   Zero-crossing temperature of ultra-stable optical reference cavity measured by optical transition spectrum 期刊论文  OAI收割 ACTA PHYSICA SINICA, 2021, 卷号: 70, 期号: 7, 页码: 6 作者:  Li Ting;  Lu Xiao-Tong;  Zhou Chi-Hua;  Yin Mo-Juan;  Wang Ye-Bing   |  收藏  |  浏览/下载：35/0  |  提交时间：2021/11/29 ultra-stable optical reference cavity  frequency drift  clock transition spectra  zero-crossing temperature   A transportable optical lattice clock at the National Time Service Center* 期刊论文  OAI收割 CHINESE PHYSICS B, 2020, 卷号: 29, 期号: 7, 页码: 7 作者:  Kong, De-Huan;  Wang, Zhi-Hui;  Guo, Feng;  Zhang, Qiang;  Lu, Xiao-Tong   |  收藏  |  浏览/下载：40/0  |  提交时间：2020/08/31 optical lattice clock  strontium atoms  spin-polarized spectra  instability   A transportable optical lattice clock at the National Time Service Center 期刊论文  OAI收割 中国物理B:英文版, 2020, 卷号: 29.0, 期号: 007, 页码: 92 作者:  Kong Dehuan;  Wang Zhihui;  Guo Feng;  Zhang Qiang;  Lu Xiaotong   |  收藏  |  浏览/下载：14/0  |  提交时间：2021/11/29 optical  lattice  clock  strontium  atoms  spin-polarized  spectra  instability   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.   A Filamentary Plasma Jet Generated by Argon Dielectric-Barrier Discharge in Ambient Air 期刊论文  OAI收割 IEEE TRANSACTIONS ON PLASMA SCIENCE, 2019, 卷号: 47, 期号: 7, 页码: 3134-3140 作者:  Li, Jing;  Lei, Bingying;  Wang, Jing;  Zhang, Tongyi;  Tang, Jie   |  收藏  |  浏览/下载：74/0  |  提交时间：2019/07/26 Dielectric-barrier discharge (DBD)  filamentary discharge  optical emission spectra  plasma jet   Bending Correction of 2D Optical Fiber Spectra Based on Normal Mapping Method 期刊论文  OAI收割 SPECTROSCOPY AND SPECTRAL ANALYSIS, 2019, 卷号: 39, 期号: 2, 页码: 622-627 作者:  Zhu Hai-jing;  Qiu Bo;  Chen Jian-jun;  Fan Xiao-dong;  Han Bo-chong   |  收藏  |  浏览/下载：16/0  |  提交时间：2020/03/10 2D optical fiber spectra  Normal mapping method  Bending correction   Electron transport behavior of polymer-derived amorphous silicoboron carbonitrides 期刊论文  OAI收割 Journal of the American Ceramic Society, 2019, 卷号: 102, 期号: 10, 页码: 6038-6047 作者:  K.W.Wang;  B.S.Ma;  L.G.Zhang;  Z.Z.Sun;  Y.G.Wang   |  收藏  |  浏览/下载：45/0  |  提交时间：2020/08/24 band gap,electrical properties,silicoboron carbonitride,structure,optical-absorption,si-(b)-c-n system,phase-separation,atomic-structure,ceramics,films,conductivity,spectra,semiconductors,diffraction,Materials Science   First principles investigation of Be3X2 (X = N, P, As) and their alloys for solar cell applications 期刊论文  OAI收割 Journal of Alloys and Compounds, 2019, 卷号: 795, 页码: 385-390 作者:  M.Ullah;  R.Ali;  G.Murtaza;  Y.Chen   |  收藏  |  浏览/下载：51/0  |  提交时间：2020/08/24 Beryllium nitride alloys,Optical spectra,Device absorption,efficiencies,thermoelectric properties,structural-properties,electronic-structure,halide perovskites,optical-properties,crystal-structure,alpha-be3n2,Chemistry,Materials Science,Metallurgy & Metallurgical Engineering   In-situ plasma cleaning to decrease the field emission effect of half-wave superconducting radio-frequency cavities 期刊论文  OAI收割 NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2018, 卷号: 905, 页码: 61-70 作者:  Zhao, Hongwei;  Chu, Qingwei;  Xiong, Pingran;  Guo, Hao;  Li, Yongming   |  收藏  |  浏览/下载：131/0  |  提交时间：2018/10/08 In-situ plasma cleaning  Half-wave SRF cavity  Optical emission spectra  Contamination  Field emission effect