Results 31 to 40 of about 1,092,634 (357)
Vacuum defects without a vacuum [PDF]
Physical Review D, 1998 11 pages, REVTeX, 1 Postscript figure. Minor changes. Final version, to appear in Phys.
Cho, Inyong, Vilenkin, Alexander
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Research on the Withstand Voltage Properties of Cr/Mn-Doped Al2O3 Ceramics in Vacuum
Electronic MaterialsAl2O3 ceramics are widely used in vacuum electronic devices. However, surface flashover in a vacuum during the application of high voltage significantly influences their reliability and restricts the development of vacuum electronic devices.
Dandan Feng +5 more
doaj +1 more source
A torsional thrust stand for electric propulsion thruster [PDF]
AIP AdvancesA torsional thrust stand with heavy load and stability has been developed for electric propulsion thruster testing under vacuum conditions. The thrust measurement principle is based on torsional pendulum mechanics combined with capacitive displacement ...
H. Zhang +5 more
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Journal of Magnesium and Alloys, 2014 The aim of this paper is to experimentally investigate the behavior of magnesium and carbon monoxide vapor in the carbothermic reduction of magnesia at condensing zone temperatures ranging from 923 K to 1223 K.
Cheng-bo Yang +5 more
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Collapse of vacuum bubbles in a vacuum [PDF]
Physical Review D, 2011 Motivated by the discovery of a plenitude of metastable vacua in a string landscape and the possibility of rapid tunneling between these vacua, we revisit the dynamics of a false vacuum bubble in a background de Sitter spacetime. We find that there exists a large parameter space that allows the bubble to collapse into a black hole or to form a wormhole.
Ng, Kin-Wang, Wang, Shang-Yung
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Nano-Micro Letters, 2021 As one of the promising anode materials, iron selenide has received much attention for potassium-ion batteries (KIBs). Nevertheless, volume expansion and sluggish kinetics of iron selenide result in the poor reversibility and stability during ...
Xiaodan Li +7 more
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Optimization of pumping efficiency and divertor operation in DEMO
Nuclear Materials and Energy, 2017 In the present work a sensitivity analysis of the pumping performance of a standard divertor design for two extreme dome cases (with and without) and different pumping port locations is performed.
S. Varoutis +3 more
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Vacuum Electrodeposition of Cu(In, Ga)Se2 Thin Films and Controlling the Ga Incorporation Route
Crystals, 2023 The traditional electrochemical deposition process used to prepare Cu(In, Ga)Se2 (CIGS) thin films has inherent flaws, such as the tendency to produce low-conductivity Ga2O3 phase and internal defects. In this article, CIGS thin films were prepared under
Kanwen Hou +7 more
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The newfound relationship between extrachromosomal DNAs and excised signal circles
FEBS Letters, EarlyView.Extrachromosomal DNAs (ecDNAs) contribute to the progression of many human cancers. In addition, circular DNA by‐products of V(D)J recombination, excised signal circles (ESCs), have roles in cancer progression but have largely been overlooked. In this Review, we explore the roles of ecDNAs and ESCs in cancer development, and highlight why these ...
Dylan Casey, Zeqian Gao, Joan Boyes
wiley +1 more source
Microfabrication Technologies for Interaction Circuits of THz Vacuum Electronic Devices
MicromachinesAdvances in manufacturing technology are allowing for the realization of interaction circuit with microstructures. The capability to produce small circuit structures is allowing new opportunities for vacuum electronic devices producing terahertz (THz ...
Xinghui Li, Jinjun Feng
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