Results 11 to 20 of about 4,891,217 (276)
Zhongguo dianli, 2023 To solve the problem of relay protection caused by CT saturation, a CT saturation identification method is proposed based on flux density characteristics and secondary current reconstruction technology in the distortion area.
Feng WANG +5 more
doaj +1 more source
Energy Science & Engineering, 2020 Owing to the characteristics of coal reservoirs, the gas flow capacity and permeability exhibit strong anisotropy. The anisotropy in terms of the magnitude, which corresponds to the permeability in the horizontal direction being several orders of ...
Zhigang Zhang +5 more
doaj +1 more source
Experimental Accuracy and Stability of Gas Outburst Experimental System
Geofluids, 2021 Gas outburst is an important issue in deep coal mining. At present, the gas-rock coupling change mechanism and intensity prediction of gas outburst are not clear. The research of gas outburst simulation experiment is particularly important. The State Key
Yanbao Liu +4 more
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Well-Posed Initial-Boundary Value Problem for a Constrained Evolution System and Radiation-Controlling Constraint-Preserving Boundary Conditions [PDF]
, 2006 A well-posed initial-boundary value problem is formulated for the model problem of the vector wave equation subject to the divergence-free constraint.
Alexander M. Alekseenko +1 more
core +4 more sources
, 2015 Coupled phase oscillators model a variety of dynamical phenomena in nature and technological applications. Non-local coupling gives rise to chimera states which are characterized by a distinct part of phase-synchronized oscillators while the remaining ...
Bick, Christian, Martens, Erik A.
core +2 more sources
Geofluids, 2021 Coal and gas outburst is still a major safety problem in the process of coal production in China. Correctly understanding of the migration law of outburst high gas and pulverized coal is an important basis for accurately predicting the occurrence time ...
Xusheng Zhao +3 more
doaj +1 more source
Shipin gongye ke-ji, 2022 The biogenic amine Level in Jiangxi-made sufu was analyzed by high performance liquid chromatography (HPLC) and amine-producing bacteria were isolated and identified by microbiological methods combined with HPLC confirmation.
Weiya WANG +5 more
doaj +1 more source
Energy Science & Engineering, 2020 In this study, an indicator model and system for coal and gas outburst prediction are identified and established based on gas geological anomalies, mining stress, and gas emission characteristics.
Xusheng Zhao +4 more
doaj +1 more source
Controlling quantum entanglement through photocounts [PDF]
, 2002 We present a protocol to generate and control quantum entanglement between the states of two subsystems (the system ${\cal S}$) by making measurements on a third subsystem (the monitor ${\cal M}$), interacting with ${\cal S}$.
A. Furusawa +21 more
core +2 more sources
Shock and Vibration, 2021 In order to investigate the mechanical property deterioration and fracture characteristics of granite under different temperature drop and thermal cycle conditions, the evolution laws of mechanical properties, acoustic emission event distribution, and ...
Zhuangzhuang Yao +3 more
doaj +1 more source