Investigation characteristics of partial discharges in artificial defects of power transmission lines by D. A. Polyakov, N. A. Tereschenko, I. V. Komarov, K. I. Nikitin, U. V. Polyakova

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Time‐domain spectra of ultrasonic wave transmitted through granite and gypsum samples containing artificial defects by Zhuoran Tian, Chunjiang Zou, Yun Wu

Subjects: “…artificial defects…”
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