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浏览/检索结果: 共12条，第1-10条 帮助

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Electrostatic Simulation and Analysis of Transmission Line Corner Section for the CRAFT NNBI Test Platform 期刊论文  OAI收割
IEEE TRANSACTIONS ON PLASMA SCIENCE, 2021, 卷号: 49
作者:  Wang, Rixin;  Xu, Yongjian;  Jiang, Caichao;  Xie, Yahong;  Xie, Yuanlai
  |  收藏  |  浏览/下载：51/0  |  提交时间：2021/11/15
Occurrence, risk and influencing factors of polycyclic aromatic hydrocarbons in surface soils from a large-scale coal mine, Huainan, China 期刊论文  OAI收割
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY, 2020, 卷号: 192
作者:  Zhang, Jiamei;  Liu, Fei
  |  收藏  |  浏览/下载：40/0  |  提交时间：2020/11/26
Constraining the X-Ray-Infrared Spectral Index of Second-timescale Flares from SGR 1935+2154 with Palomar Gattini-IR 期刊论文  OAI收割
The Astrophysical Journal, 2020, 卷号: 901, 页码: L7
作者:  HXMT
  |  收藏  |  浏览/下载：24/0  |  提交时间：2022/02/08
Radio transient sources  Magnetars  Soft gamma-ray repeaters  2008  992  1471  Astrophysics - High Energy Astrophysical Phenomena  Astrophysics - Instrumentation and Methods for Astrophysics  Abstract: The Galactic magnetar SGR 1935+2154 has been reported to produce the first example of a bright millisecond-duration radio burst (FRB 200428) similar to the cosmological population of fast radio bursts (FRBs). The detection of a coincident bright X-ray burst represents the first observed multiwavelength counterpart of an FRB. However, the search for similar emission at optical wavelengths has been hampered by the high inferred extinction on the line of sight. Here, we present results from the first search for second-timescale emission from the source at near-infrared (NIR) wavelengths using the Palomar Gattini-IR observing system in the J band, enabled by a novel detector readout mode that allows short exposure times of ?0.84 s with 99.9% observing efficiency. With a total observing time of ?12 hr (?47,728 images) during its 2020 outburst, we place median 3Ҡlimits on the second-timescale NIR fluence of ?18 Jy ms (13.1 AB mag). The corresponding extinction-corrected limit is ?125 Jy ms for an estimated extinction of AJ = 2.0 mag. Our observations were sensitive enough to easily detect an NIR counterpart of FRB 200428 if the NIR emission falls on the same power law as observed across its radio to X-ray spectrum. We report nondetection limits from epochs of four simultaneous X-ray bursts detected by the Insight-HXMT and NuSTAR telescopes during our observations. These limits provide the most stringent constraints to date on fluence of flares at 1014 Hz, and constrain the fluence ratio of the NIR emission to coincident X-ray bursts to RNIR ? 0.025 (fluence index ?0.35).  
Isotopic constraints on the atmospheric sources and formation of nitrogenous species in clouds influenced by biomass burning 期刊论文  OAI收割
ATMOSPHERIC CHEMISTRY AND PHYSICS, 2019, 卷号: 19, 期号: 19, 页码: 12221-12234
作者:  Chang, YH;  Zhang, YL;  Li, JR;  Tian, CG;  Song, LL
  |  收藏  |  浏览/下载：42/0  |  提交时间：2020/07/08
Fresnel incoherent correlation holography and its imaging properties 期刊论文  OAI收割
Proceedings of SPIE: 8th International Symposium on Advanced Optical Manufacturing and Testing Technology: Optical Test, Measurement Technology, and Equipment, 2016, 卷号: 9684, 页码: 96841J
作者:  Wang, Zhipeng;  Ma, Haotong;  Ren, Ge;  Xie, Zongliang;  Yu, Huan
  |  收藏  |  浏览/下载：28/0  |  提交时间：2018/06/14
Development of RFQ power source for ADS injector I 期刊论文  OAI收割
HIGH POWER LASER AND PARTICLE BEAMS, 2015, 卷号: 27, 期号: 8, 页码: 85106
作者:  Zhou ZS(周祖圣);  He DY(何大勇);  Liu R(刘熔);  Chi YL(池云龙);  Zhou
收藏  |  浏览/下载：22/0  |  提交时间：2016/04/18
Application of wavelet-based active power filter in accelerator magnet power supply 期刊论文  OAI收割
CHINESE PHYSICS C, 2014, 卷号: 38, 期号: 11, 页码: 117007
作者:  Guo XL(郭晓玲);  程健;Guo, XL;  Cheng, J
收藏  |  浏览/下载：27/0  |  提交时间：2016/04/08
Inhibition of electromagnetic interference in control system based on DSP of high-power TEA CO2 laser (EI CONFERENCE) 会议论文  OAI收割
2010 International Conference on Computer, Mechatronics, Control and Electronic Engineering, CMCE 2010, August 24, 2010 - August 26, 2010, Changchun, China
作者:  Meng F.-J.;  Guo L.-H.;  Wang H.-Q.
收藏  |  浏览/下载：40/0  |  提交时间：2013/03/25
The strong electromagnetic interference (EMI) generated in high-power TEA C02 laser system mainly comes from main discharge circuit  pulse spark switch and power supply. Such strong EMI causes great damage and interference to the control system based on DSP. In this paper  we present the interference sources and their distribution and propose the methods of anti-interference. Measures for hardware design include weakening transient ground potential difference by using equipotential lines between devices  using signal isolation interface to inhibit the transient ground potential interference  and rational layout  shielding and filtering to the control system. And methods for software design include range-limited filter  self-diagnosis and self-repair for the critical data and anti-interference during abnormal reset. The EMI has been inhibited effectively by the anti-interference method proposed above. The result shows that: the software anti-interference method is as important as the hardware anti-interference method for the control system in a complex environment of strong EMI. 2010 IEEE.  
From equivalence principles to cosmology: Cosmic polarization rotation, CMB observation, neutrino number asymmetry, Lorentz invariance and CPT 期刊论文  OAI收割
PROGRESS OF THEORETICAL PHYSICS SUPPLEMENT, 2008, 卷号: 172, 期号: 172, 页码: 49-60
作者:  Ni, Wei-Tou
收藏  |  浏览/下载：96/0  |  提交时间：2011/12/29
Unitized regenerative fuel cells 期刊论文  OAI收割
progress in chemistry, 2006, 卷号: 18, 期号: 10, 页码: 1375-1380
作者:  Song Shidong;  Zhang Huamin;  Ma Xiaoping;  Zhang Yining;  Yi Baolian
收藏  |  浏览/下载：29/0  |  提交时间：2015/11/11