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浏览/检索结果: 共39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发表日期升序发表日期降序提交时间升序提交时间降序作者升序作者降序 Preliminary experimental research on RF coupling efficiency of CRAFT NNBI prototype ion source 期刊论文  OAI收割 PHYSICA SCRIPTA, 2023, 卷号: 98 作者:  Wang, Na;  Liu, Zhimin;  Wei, Jianglong;  Xie, Yahong;  Yang, Yuwen   |  收藏  |  浏览/下载：95/0  |  提交时间：2023/11/17 CRAFT NNBI  RF ion source  coupling efficiency   Design optimization of slit aperture Faraday shield for RF ion source in CRAFT NNBI system 期刊论文  OAI收割 FUSION ENGINEERING AND DESIGN, 2022, 卷号: 183 作者:  Wang, Na;  Liu, Zhimin;  Xie, Yahong;  Wang, Jinxin;  Wei, Jianglong   |  收藏  |  浏览/下载：57/0  |  提交时间：2022/12/22 Faraday shield  Slit shape  RF ion source  RF transfer efficiency   Thermodynamic analyses of a novel ejector enhanced dual-temperature air source heat pump cycle with self-defrosting 期刊论文  OAI收割 APPLIED THERMAL ENGINEERING, 2022, 卷号: 215, 页码: 16 作者:  Li, Shengyu;  Lu, Jun;  Li, Wuyan;  Zhang, Yunqian;  Huang, Sheng   |  收藏  |  浏览/下载：13/0  |  提交时间：2024/12/03 Ejector  Dual-temperature air-source heat pump  Different operating cases  Defrosting method  Efficiency improvement   Building a top-down method based on machine learning for evaluating energy intensity at a fine scale 期刊论文  OAI收割 ENERGY, 2022, 卷号: 255 作者:  Guo, Jinyu;  Ma, Jinji;  Li, Zhengqiang;  Hong, Jin   |  收藏  |  浏览/下载：27/0  |  提交时间：2022/12/22 Energy efficiency  Energy intensity  Machine learning  Multi-source satellite data  Top-down  Fine-scale   Dry-Season Fog Water Utilization by Epiphytes in a Subtropical Montane Cloud Forest of Southwest China 期刊论文  OAI收割 WATER, 2021, 卷号: 13, 期号: 22, 页码: - 作者:  Liu, Lu-Lu;  Yang, Bin;  Lu, Hua-Zheng;  Wu, Yi;  Meng, Xian-Jing   |  收藏  |  浏览/下载：39/0  |  提交时间：2022/01/04 fog water  stable isotopes  water source  intrinsic water use efficiency  differentiation  drought   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：28/0  |  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).   A Survey on Edge Computing Systems and Tools 期刊论文  OAI收割 PROCEEDINGS OF THE IEEE, 2019, 卷号: 107, 期号: 8, 页码: 1537-1562 作者:  Liu, Fang;  Tang, Guoming;  Li, Youhuizi;  Cai, Zhiping;  Zhang, Xingzhou   |  收藏  |  浏览/下载：46/0  |  提交时间：2020/12/10 Deep learning optimization  edge computing systems  energy efficiency  open-source tools  survey   Linking reliance on deep soil water to resource economy strategies and abundance among coexisting understorey shrub species in subtropical pine plantations 期刊论文  OAI收割 NEW PHYTOLOGIST, 2019, 页码: 12 作者:  Jiang, Peipei;  Wang, Huimin;  Meinzer, Frederick C.;  Kou, Liang;  Dai, Xiaoqin   |  收藏  |  浏览/下载：81/0  |  提交时间：2019/09/24 deep soil water source  leaf water potential  oxygen stable isotopes  root diameter  water-use efficiency  wood density   Linking reliance on deep soil water to resource economy strategies and abundance among coexisting understorey shrub species in subtropical pine plantations 期刊论文  OAI收割 NEW PHYTOLOGIST, 2019, 页码: 12 作者:  Jiang, Peipei;  Wang, Huimin;  Meinzer, Frederick C.;  Kou, Liang;  Dai, Xiaoqin   |  收藏  |  浏览/下载：29/0  |  提交时间：2019/09/24 deep soil water source  leaf water potential  oxygen stable isotopes  root diameter  water-use efficiency  wood density   Linking reliance on deep soil water to resource economy strategies and abundance among coexisting understorey shrub species in subtropical pine plantations 期刊论文  OAI收割 NEW PHYTOLOGIST, 2019, 卷号: N/A, 页码: 12 作者:  Jiang, Peipei;  Wang, Huimin;  Meinzer, Frederick C.;  Kou, Liang;  Dai, Xiaoqin   |  收藏  |  浏览/下载：21/0  |  提交时间：2019/09/24 deep soil water source  leaf water potential  oxygen stable isotopes  root diameter  water-use efficiency  wood density