Quasi-periodic oscillations (QPOs) are a rare phenomenon in active galactic nuclei. They have been observed to occur at ...
Abstract: Pipeline integrity is crucial for safely transporting energy resources. Traditional electromagnetic non-destructive testing (NDT) methods like eddy current testing (ECT) face limitations in ...
Abstract: Due to the inherent operational property, the modular multilevel converter battery energy storage system (MMC-BESS) exists battery current ripple issue, which will inevitably affect the ...
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