Search Results - "Li, Ankun"
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An improved high-efficiency relativistic magnetron with a novel cathode endcap
Published in AIP advances (01-02-2021)“…The relativistic magnetron has a series of advantages, such as high efficiency, compact structure, and tunability. In this paper, an improved modified…”
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2
A high-efficiency relativistic magnetron with a novel all-cavity extraction structure
Published in AIP advances (01-03-2020)“…Relativistic magnetrons (RMs) are one of the most promising high power microwave devices. A high-efficiency relativistic magnetron (HERM) with a novel…”
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3
DroneNet: Rescue Drone-View Object Detection
Published in Drones (Basel) (01-07-2023)“…Recently, the research on drone-view object detection (DOD) has predominantly centered on efficiently identifying objects through cropping high-resolution…”
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4
Plasma bombardments in the diode in Ka-band coaxial transit-time oscillator
Published in AIP advances (01-03-2018)“…Plasma is a non-ignorable factor in a high power generator. In this paper, plasma bombardments in the diode region are found in experiment on a Ka-band…”
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5
Design of a dual-band radiation system for a complex magnetically insulated line oscillator
Published in AIP advances (01-05-2018)“…In this paper, a dual-band radiation system for a complex magnetically insulated line oscillator (MILO) is designed and investigated numerically. The radiation…”
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6
Visible-Light-Promoted Selenocyanation of Cyclobutanone Oxime Esters Using Potassium Selenocyanate
Published in Journal of organic chemistry (03-09-2021)“…We report the visible-light-promoted selenocyanation of cyclobutanone oxime esters using potassium selenocyanate in the presence of a fac-Ir(ppy)3 catalyst…”
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7
Visible-light induced direct C-H difluoromethylation of quinoxalin-2(1H)-ones by [bis(difluoroacetoxy)iodo]benzene under catalysis-free conditions
Published in Tetrahedron (02-07-2021)“…Visible light-induced direct C-H difluoromethylation of quinoxalin-2(1H)-ones by employing [bis(difluoroacetoxy)iodo]benzene as a difluoromethylation reagent…”
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Metal‐Free Synthesis of Unsymmetrical Aryl Selenides and Tellurides via Visible Light‐Driven Activation of Arylazo Sulfones
Published in European journal of organic chemistry (20-12-2020)“…A protocol for the visible light driven preparation of unsymmetrical (hetero)aryl selenides and tellurides is described herein. The method exploits the…”
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9
Acid-promoted selective synthesis of trifluoromethylselenolated benzofurans with Se-(trifluoromethyl) 4-methylbenzenesulfonoselenoate
Published in Tetrahedron letters (02-03-2021)“…[Display omitted] •A acid promoted direct trifluoromethylselenolation of benzofurans was achieved.•A tandem cyclization/trifluoromethylselenolation procedure…”
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10
Metal-Free Trifluoromethylthiolation of Arylazo Sulfones
Published in Journal of organic chemistry (01-01-2021)“…A visible-light-driven protocol for the synthesis of aryl trifluoromethyl thioethers under photocatalyst- and metal-free conditions has been pursued. The…”
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11
A \textit -Band Relativistic Magnetron With a Novel Extraction Structure
Published in IEEE transactions on electron devices (18-01-2023)“…Relativistic magnetron (RM) is a promising high-power microwave (HPM) source and major hotspot in the field of HPM research, whose advantages include high…”
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12
Metal-free synthesis of unsymmetrical selenides from pyridinium salts and diselenides catalysed by visible light
Published in Tetrahedron letters (25-05-2021)“…[Display omitted] •Photo-catalysed selenolations of pyridinium salts was achieved.•Hünig’s base (DIPEA) was used as the reductant.•Eosin Y was used as the…”
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13
Experimental Demonstration of a Ridged Magnetically Insulated Transmission Line Oscillator
Published in IEEE transactions on microwave theory and techniques (01-03-2021)“…In this study, we investigate the effect of including ridged disk vanes on the operation of a magnetically insulated transmission line oscillator (MILO) in an…”
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14
A C -Band Relativistic Magnetron With a Novel Extraction Structure
Published in IEEE transactions on electron devices (01-03-2023)“…Relativistic magnetron (RM) is a promising high-power microwave (HPM) source and major hotspot in the field of HPM research, whose advantages include high…”
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15
Design and Simulation of a Novel High-Efficiency Magnetically Insulated Transmission Line Oscillator
Published in IEEE transactions on plasma science (01-04-2020)“…A novel high-efficiency magnetically insulated transmission line oscillator (MILO) is proposed and investigated in this article. It has three features. First…”
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16
A High-Efficiency Magnetically Insulated Transmission Line Oscillator With Ridged Disk-Loaded Vanes
Published in IEEE transactions on plasma science (01-08-2019)“…In order to improve power efficiency, a high-efficiency magnetically insulated transmission line oscillator (MILO) with ridge-disk-loaded vanes is proposed in…”
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17
A High-Efficiency Ridged Magnetically Insulated Transmission Line Oscillator
Published in IEEE transactions on electron devices (01-10-2020)“…In this study, we investigate the effect of the inclusion of ridged disk vanes on the operation of a magnetically insulated transmission line oscillator…”
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18
The Interaction of a High-Power Sub-Nanosecond Microwave Pulse With Plasma
Published in IEEE transactions on plasma science (01-04-2020)“…We present the results of experiments, analytical modeling, and numerical particle-in-cell (PIC) simulations for the propagation of a high-power,…”
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19
High-Power Microwave Driven Plasma Wakefield in a Cylindrical Waveguide
Published in 2020 IEEE International Conference on Plasma Science (ICOPS) (06-12-2020)“…We present the first experimental observation of the predicted [1] high-power microwave (9.6 GHz, <500 MW, <0.5 ns) driven plasma wakefield formation in a…”
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Conference Proceeding -
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Geochemistry and Genesis of the Late Jurassic Granitoids at Northern Great Hinggan Range: Implications for Exploration
Published in Acta geologica Sinica (Beijing) (01-04-2010)“…The Longgouhe and Ershiyizhan intrusions of the Late Jurassic, located in the Upper Heilongjiang Basin of the northern Great Hinggan Range, are closely related…”
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